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Serial Hardware and Software for Windows User Manual

1. o Le Figure C 1 Selecting an Interface to Uninstall Serial Hardware and Software for Windows C 2 ni com Windows Me 9x Appendix C Uninstalling the Hardware and Software 5 Choose the Uninstall option 6 Inthe Confirm Device Removal dialog box click on the OK button to remove the hardware information or click on the Cancel button to cancel your request Uninstall the Software Before you uninstall the NI Serial software you must remove the hardware information from your system as described in the previous section To uninstall the NI Serial software complete the following steps 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears This dialog box lists the software that you can uninstall 3 Select NI Serial and click on the Change Remove button The uninstallation program removes all folders utilities and registry entries associated with the NI Serial software 4 Shut down Windows 2000 turn off your computer and physically remove the serial interfaces from your system The uninstallation program removes only items that the setup wizard installed If you added anything to a directory that the setup wizard created the uninstallation program does not delete that directory You must remove any remaining components yourself To reinstall the hardware and software refer to Chapter 2 PCI Serial Hard
2. Figure C 6 Selecting an Interface to Uninstall Serial Hardware and Software for Windows C 10 ni com Appendix C Uninstalling the Hardware and Software 3 Click on the Delete button 4 Repeat steps 3 and 4 until you have removed every PXI serial port that you want to uninstall Uninstall the Software Before you uninstall the NI Serial software you must remove the hardware information from your system as described in the previous section To uninstall the NI Serial software complete the following steps 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears This dialog box lists the software that you can uninstall 3 Select the NI Serial software you want to uninstall and click on the Add Remove button The uninstallation program removes all folders utilities and registry entries associated with the NI Serial software 4 Shut down Windows NT turn off your computer and physically remove the serial interfaces from your system The uninstallation program removes only items that the setup wizard installed If you added anything to a directory that the setup wizard created the uninstallation program does not delete that directory You must remove any remaining components yourself To reinstall the hardware and software refer to Chapter 3 PXI Serial Hardware Installation Verification and Configuration National Instrument
3. 0 to 70 C Relative humidity ee 10 to 90 noncondensing Storage environment Temperature meieni 40 to 120 C Relative humidity ee 5 to 90 noncondensing EMI si isi E E FCC Class A verified Software Specifications Maximum serial transfer rate 115 200 bps 1 Actual speed may vary considerably from speed shown due to system and instrumentation capabilities Serial Hardware and Software for Windows E 8 ni com Appendix E Specifications for AT Serial Hardware AT Serial Hardware Hardware Characteristics Two Port AT Serial Boards Nonisolated DIMENSIONS aonan eenen tarias 10 67 by 16 51 cm 4 2 by 6 5 in I O COMMECOOM cecceeeesceeesteeeesteeeeeeeees DB 9 Power requirement from PC AT I O channel ON 0 PA 5 VDC 390 mA typical 510 mA maximum AF23 22 vrcdcducosetieststeicesediaveseestins 5 VDC 260 mA typical 340 mA maximum AT 485 2 Shared IRQ ceeeeee 5 VDC 140 mA typical 180 mA maximum AT 232 2 Shared IRQ c cceeee 5 VDC 70mA typical 100 mA maximum Two Port AT Serial Boards Isolated DIMENSIONS 352035 sesscsscesseeasestsdeescchecesaceseee 10 67 by 18 70 cm 4 2 by 7 4 in TV O CONME COR sorn rer DB 9 Isolation Voltage From Port to Port 00 eee eee 3000 Vrms 60s From Any Port to Host Computer ssia isis isansatien 2000 Vrms 60s Power Requirement from PC AT I O channel AT 485 2 Isolated 0 0 0 eee eee 5 VDC 220 mA typical 26
4. DB 25 Pin 232 Signal 485 Signal 2 TXD RTS HSO 3 RXD CTS HSI 4 RTS RTS HSO 5 CTS TXD 6 DSR CTS HSI 7 GND RXD 8 DCD GND 20 DTR RXD 22 RI TXD Pins not listed in this table are No Connect These signals are not supported by the isolated 232 ports Serial Hardware and Software for Windows A 4 ni com Appendix A Connector Descriptions Figure A 4 shows how to connect the cables when you install a four port PCI serial board T UIEIL j lt Serial Board 10 Position Modular Jack to DB 9 Cable S S 10 Position Modular Jack to DB 25 Cable lt 4 485 Terminator Additional 485 Boards Only Serial Cable il Toh my LE D Additional Serial Cable National Instruments Corporation Figure A 4 Connecting the Cables to Your Four Port PCI Serial Board A 5 Serial Hardware and Software for Windows Appendix A Connector Descriptions 68 Pin Connector Figure A 5 and Table A 4 give the pin locations and descriptions of the 68 pin connector PIN 68 PIN 35 PIN 34 PIN 1 Serial Hardware and Software for Windows Figure A 5 68 Pin Connector Pin Locations A 6 ni com Appendix A Connector Descriptions Table A 4 68 Pin Connector Pin Descriptions 68 Pin
5. omes Figure C 8 Selecting an Interface to Uninstall 6 Click on the Remove button Sy Note To remove ports on two port and four port PCMCIA cards from within the Device Manager you must open the Multi function adapters class select the name of your interface and click on the Remove button 7 Inthe Confirm Device Removal dialog box click on the OK button to remove this interface or click on Cancel to cancel your request Serial Hardware and Software for Windows C 14 ni com Windows NT Appendix C Uninstalling the Hardware and Software Uninstall the Software Before uninstalling the software remove all serial port information from the Windows Me 9x Device Manager as described in the previous section You do not need to shut down Windows Me 9x before uninstalling the software Complete the following steps to remove the NI Serial software 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon in the Control Panel to launch the Add Remove Programs applet The Add Remove Programs Properties dialog box appears This dialog box lists the software available for removal 3 Select the serial software you want to remove and click on the Add Remove button The uninstall program runs and removes all folders programs VxDs DLLs and registry entries associated with the NI Serial software 4 Remove your PCMCIA card from your computer To reinstall the hardware and software refer t
6. DB 9 Pin 232 Signal 485 Signal 1 DCD GND 2 RXD CTS HSI 3 TXD RTS HSO 4 DTR RXD 5 GND RXD 6 DSR CTS HSI 7 RTS RTS HSO 8 CTS TXD 9 RI TXD sixteen port board These signals are not supported by the isolated 232 boards or ports 9 16 of the RS 232 A 2 ni com Appendix A Connector Descriptions Modular Jack Connector Figure A 2 and Table A 2 give the pin locations and descriptions of the 10 position modular jack Figure A 2 10 Position Modular Jack Pin Locations Table A 2 10 Position Modular Jack Pin Descriptions 10 Position Modular Jack Pin 232 Signal 485 Signal 10 DCD GND 9 RXD CTS HSI 8 TXD RTS HSO 7 DTR RXD 6 GND RXD 5 DSR CTS HSI 4 RTS RTS HSO 3 CTS TXD 2 RI TXD 1 No Connect No Connect These signals are not supported by the isolated 232 ports National Instruments Corporation A 3 Serial Hardware and Software for Windows Appendix A Connector Descriptions DB 25 Connector Figure A 3 and Table A 3 give the pin locations and descriptions of the DB 25 connector which is on the optional 10 position modular jack to DB 25 cable PIN 13 PIN 1 _ ___ CAR oJ N PIN 25 PIN 14 Figure A 3 DB 25 Connector Pin Locations Table A 3 DB 25 Pin Descriptions
7. Freeing an Interrupt Request Level To free an interrupt request level for your serial port you must disable the device that is using the interrupt request level To view the system wide allocation of interrupt request resources and remove a device complete the following steps 1 10 11 Select Start Settings Control Panel and double click on the System icon Click on the Device Manager tab Double click on the Computer icon and click on the View Resources tab Click on the Interrupt Request IRQ button Scan through the list of IRQ settings to determine which devices are using which interrupt request levels When you locate a device that you are not currently using click on the Cancel button In the Device Manager tab double click on the icon for that device In the Device usage field a checkmark appears to the left of the current configuration usually Original Configuration Current Click on the checkbox to remove the checkmark Click on the Resources tab and make sure that Use automatic settings is unchecked Repeat steps 7 through 9 for each unused device Click on the OK button to save your changes Restart Windows Me 9x to assign resources to your serial port Then complete step 6 in the installation verification section of the chapter for your hardware platform Serial Hardware and Software for Windows D 6 ni com Appendix D Troubleshooting and Common Questions Selecting Conflict Free Resou
8. Chapter 5 AT Serial Hardware Installation Verification and Configuration Verify the Installation To verify the hardware and software installation complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Hardware tab and click on the Device Manager button Double click on the Ports COM amp LPT icon to display all of the ports 4 Double click on the Multi function adapters icon The AT serial boards are configured as devices belonging to the multi function adapters class The multi function parent device is listed under the Multi function adapters icon and each child device is listed as a port under the Ports COM amp LPT icon Figure 5 2 shows the Device Manager tab for serial hardware that is installed properly AEE Action view gt m a My Computer Computer Disk drives Display adapters Ja DVD CD ROM drives Floppy disk controllers amp Floppy disk drives amp IDE ATA ATAPI controllers 3 Keyboards TA Mice and other pointing devices 3 Monitors lt P Multifunction adapters Vv N I AT 232 4 Multi Function Parent E3 Network adapters Q PCMCIA adapters oy Ports COM amp LPT Communications Port COM3 F M I AT 232 4 Shared IRQ Communications Port COM20 N I AT 232 4 Shared IRQ Communications Port COM21 F N I AT 232 4 Shared IRQ Communications Port COM2
9. National Instruments Corporation B 7 Serial Hardware and Software for Windows Uninstalling the Hardware and Software This appendix describes how to uninstall your serial hardware and the NI Serial software To begin your uninstallation see the section of this appendix containing instructions for your hardware platform and operating system PCI Hardware Windows 2000 isaer are gees A e seeaeseete clest C 2 Windows Me 9OX ccccccccccsssseccecsessscccceeessseeeceeseseeeeeeesstseeees C 3 Wandows NT t 2 33 E Sisk heel ea hes See eet C 5 PXI Hardware Windows 2000 Piasso bev ebvhanes a Geardeanes C 7 Windows Me 9x ccccccccccssssecceesssssseecceesssseeeccesesseeeceessstseeees C 8 Windows N T h i333 5 e EEE E en es C 10 PCMCIA Hardware Windows 2000 serae pt coeds ieee E EE isons eked C 12 Windows Me 9x ccccccccccssssccccesssssceececsssssececcessseeeeeesssseeees C 13 Windows NT acd ted n E E hci Gee eeeest C 15 AT Hardware Windows 2000 guaer nae eke ee eandean C 17 Windows Me 9x ccccccccccssssccccessssceecesessseceeceessssseeeeesssseeees C 18 Windows NT a a E E EE E N S C 20 National Instruments Corporation C 1 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and Software PCI Hardware Windows 2000 Uninstall the Hardware Before you physically remove the serial hardware from your system you must remove the hardware information To do so complete the following steps 1
10. 39 15 35 18 32 20 30 22 28 24 26 RXD 2 4 48 8 44 12 40 16 36 19 33 21 31 23 29 25 27 TXD 3 5 49 9 45 13 41 17 37 DTR 4 1 1 1 1 50 50 50 50 51 51 51 51 100 100 100 100 GND 5 52 96 56 92 60 88 64 84 DSR 6 53 97 57 93 61 89 65 85 68 82 70 80 72 78 74 76 RTS 7 54 98 58 94 62 90 66 86 69 83 71 81 73 79 75 77 CTS 8 55 99 59 95 63 91 67 87 RI 9 These signals are not supported on ports 9 16 of the 16 port PCI and PXI serial boards National Instruments Corporation A 9 Serial Hardware and Software for Windows Serial Port Information RS 232 This appendix describes the RS 232 RS 422 and RS 485 standards and explains some of the issues involved with these types of serial communication Table A 1 lists the features of the RS 232 RS 422 and RS 485 standards Table B 1 RS 232 RS 422 and RS 485 Features Feature RS 232 RS 422 RS 485 Type of Single ended Differential Differential transmission lines Maximum number 1 1 32 of drivers Maximum number 1 10 32 of receivers Maximum cable 50 ft 4 000 ft 4 000 ft length Maximum data rate 20 kbytes s 10 Mbytes s 10 Mbytes s Maximum CMV 25 V 7 V 12 to 7 V Driver output 5to25 V 2to6 V 1 5 to 6 V Driver load gt 3 kQ 100 Q 60 Q National Instru
11. If no New Hardware Found dialog box appears refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions 3 9 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configuration Install the Hardware UN Caution Before you remove your board from the package touch the antistatic plastic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on your serial board To install your PXI serial board complete the following steps 1 Turn off your PXI or CompactPCI chassis Keep the chassis plugged in so that it remains grounded while you install the PXI serial board Find an unused PXI or CompactPCI 5 V peripheral slot Remove the corresponding filler panel Touch a metal part on your chassis to discharge any static electricity vA Rw Insert the PXI serial board into the 5 V slot Use the injector ejector handle to fully inject the device into place Figure 3 5 shows how to install the PXI serial board into a PXI or CompactPCI chassis 1 Injector Ejector Handle In Down 3 PXI Chassis Position 4 Injector Ejector Rail 2 PXI Serial Board Figure 3 5 Installing the PX Serial Board Serial Hardware and Software for Windows 3 10 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration Screw the PXI serial
12. PCI 232 two four eight or 16 port PCI 485 two four or eight port PCI 232 isolated two or four port PCI 485 isolated two or four port PXI Kits PXI 8420 two four eight or 16 port PXI 8421 two four or eight port PXI 8422 two or four port PXI 8423 two or four port PCMCIA Kits PCMCIA 232 one two or four port PCMCIA 485 one or two port AT Kits AT 232 two or four port AT 485 two or four port AT 232 two or four port isolated AT 485 two or four port isolated CD NI Serial Software for Windows 2000 NT Me 9x which is included in your kit Serial Hardware and Software for Windows 1 2 ni com Chapter 1 Introduction Optional Equipment For more information about ordering the following optional equipment contact National Instruments e DB 9 RS 485 termination connector PCI 485 PCMCIA 485 PXI 8421 PXI 8423 and AT 485 only e 10 position modular jack to DB 9 cable PCI PXI and AT four port boards only e 10 position modular jack to DB 25 cable PCI PXI and AT four port boards only e 68 pin to DB 9 adapter cable PCI and PXI eight port boards only e RS 232 9 pin to 9 pin null modem cable e RS 232 9 pin to 25 pin null modem cable e RS 485 9 pin to 9 pin null modem cable e Breakout box PCI PXI 232 16 port board only Serial Hardware Overview PCI Kits The serial hardware gives you a variety of sol
13. Use FIFO buffers requires 16550 compatible UART 21x OK Select lower settings to correct connection problems dai Cancel Select higher settings for faster performance Defaults Receive Buffer Low 8 J High 60 60 Transmit Buffer Low J High ts 8 COM Port Number comiss Transceiver Mode 4 Wire 4 wire 2 Wire DTR Controlled With Echo 2 Wire DTR Controlled 2 Wire TxAidy Auto Figure 2 4 Advanced Settings Dialog Box The following sections describe the advanced settings options Transceiver Mode This field shows the transceiver mode in use and applies only to PCI 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware Serial Hardware and Software for Windows 2 8 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration Use FIFO Buffers FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver The Receive Buffer control sets the number of characters received in the FIFO before the PC is interrupted to read the data The Transmit Buffer control sets the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data When you configure FIFO settings consider the following points e You can select larger FIFO buffer sizes to reduce the number of interrupts your PC receives and there
14. 3 Monitors Vv Multifunction adapters XY N I PCI 232 8 Multi Function Parent N I PCI 485 4 Isolated Multi Function Parent 9 Network adapters PCMCIA adapters oy Ports COM amp LPT F Communications Port COM3 wo N I PCI 232 8 Communications Port 1 COM2 F N I PCI 232 8 Communications Port 2 COM3 F N I PCI 232 8 Communications Port 3 COM4 a N I PCI 232 8 Communications Port 4 COMS i N I PCI 232 8 Communications Port 5 COM6 M4 M I PCI 232 8 Communications Port 6 COM7 xl Figure 2 2 Device Manager for PCI Serial Board Ports Serial Hardware and Software for Windows 2 4 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration 5 Verify the hardware resources as follows a Inthe Device Manager under Multi function adapters double click on a serial board b Click on the Resources tab If the resources were assigned properly the Resources tab shows which resources are assigned to your serial ports c Repeat steps 5a and 5b until you have verified the resources for each board 6 Optional To determine which physical port is associated with COMx note the Port 1 Port 2 etc entries next to the COM numbers For all serial hardware PORT refers to the top port PORT2 refers to the next port down and so on 7 Run the diagnostic utility as follows select Start Programs National Instruments NI Serial Diagnostics The diagnostic utility verifies that your
15. The Add Remove Programs dialog box appears This dialog box lists the software that you can uninstall 3 Select NI Serial and click on the Change Remove button The uninstallation program removes all folders utilities and registry entries associated with the NI Serial software 4 Shut down Windows 2000 turn off your computer and physically remove the serial interfaces from your system The uninstallation program removes only items that the setup wizard installed If you added anything to a directory that the setup wizard created the uninstallation program does not delete that directory You must remove any remaining components yourself To reinstall the hardware and software refer to Chapter 3 PXI Serial Hardware Installation Verification and Configuration Uninstall the Hardware Before you physically remove the serial hardware from your system you must remove the hardware information To do so complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Select the Device Manager tab and click on the View devices by type button 3 Double click on the Multi function adapters icon Serial Hardware and Software for Windows C 8 ni com Appendix C Uninstalling the Hardware and Software 4 From the Multi function adapters list select the National Instruments interface that you want to uninstall as shown in Figure C 5 System Properties 2 xi General Device Man
16. Windows Me 9x eea ay E E conn EE A O TAE 4 8 Install he SoftWare ooreen i E AE EEEE EN 4 8 Install the Hardware seein ea eE E a E EE Ea ANEA 4 9 Verily the Installation sive roa re eae aeee E EE R 4 10 Configure Communication Port Settings sseessssessessseerseeeresrsrrsreresrrsrsresrsee 4 13 Windows NIE fore sres sits Gos cocvnes da a Re E EE A syed ythucves tetaesbedecheeyeiaubul colansurestucmvne 4 16 Install the NI Serial Software cceceesesescceseceseeceeceeeeseeceeeeeeeceeeesaeeeaeeeaes 4 16 Install the PCMCIA Serial Hardware 0 0 ee eeceesceseceeceseeeeeeeeeeesneeeaeerses 4 17 Verify the Installation 2 52 4ic satel ek tide een ee teen as 4 18 Configure Communication Port Settings 0 eee eeceeseeeeeseceeceeeeeeeenee 4 19 Serial Hardware and Software for Windows viii ni com Contents Chapter 5 AT Serial Hardware Installation Verification and Configuration Windows 2000 sereine a a G EE E E va itoaebad TETEE 5 1 Install the SoftWare nerone KEE N TTE ESN 5 1 Install the Hardware ienai A A T ER E E aS 5 2 Verity the Mstallatiot siirteen detent ae E 5 4 Configure Communication Port Settings e eeseesseeeseerereererrsrrsrsrrsrsresresrseee 5 5 Windows M I r ooer eine EE ET RE exes Steve O A TE 5 9 Install the Softwaree E E E RE Tar 5 9 Install the Hard wares ii a E E EA RA 5 10 Verify the Installation csn n a a a 5 12 Configure Communication Port Settings eseeseseesseeeseersreersr
17. refer to Appendix D Troubleshooting and Common Questions to troubleshoot the problem After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Settings The serial configuration utility is fully integrated into the Windows 2000 Device Manager You can use it to view or change the configuration of your serial ports To configure a serial port complete the following steps 1 National Instruments Corporation Select Start Settings Control Panel and double click on the System icon Click on the Hardware tab and click on the Device Manager button Double click on the Ports COM amp LPT icon 5 5 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration 4 Double click on the port you want to configure and refer to the following instructions e To view the hardware resources assigned to the serial port click on the Resources tab e To view or change the port settings click on the Port Settings tab For more information about the settings refer to the next section Port Settings Tab e To change the RS 485 transceiver mode or to enable or disable the FIFOs on the serial hardware in the Port Settings tab click on the Advanced button For more information about the settings refer to the next section Port Settings Tab
18. 6 1 Win32 Software Development Kit 6 1 worldwide technical support F 2 ni com
19. Cancel button to cancel your request 7 Click on the Scan for Hardware Changes icon at the top of the Device Manager window 8 Windows 2000 should automatically detect your hardware and display the Found New Hardware Wizard Complete the wizard by clicking Next in each window and then Finish Troubleshooting Diagnostic Messages This section lists possible error messages returned by the diagnostic utility along with solutions No National Instruments Serial Port Found or Diagnostic Utility Does Not Show All Installed Ports Ifthe No National Instruments serial port found error message appears or the diagnostic utility does not show all the ports you installed follow all the steps in the Forcing Windows to Detect Your Hardware section above Address Test Failed If the address test failed Interrupt test cannot be performed error message appears you might have an address conflict with legacy boards in your system To solve this problem change the base addresses assigned to your legacy boards and refer to the Resolving Resource Conflicts with Legacy Boards section Interrupt Test Failed If the Interrupt test failed error message appears you might have an IRQ conflict with legacy boards in your system To solve this problem change the IRQ level assigned to your legacy boards and refer to the next section Resolving Resource Conflicts with Legacy Boards National Instruments Corporation D 3 Serial Hardware and Software for
20. Common Questions for troubleshooting instructions After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Settings The serial configuration utility is fully integrated with the Windows NT Control Panel You can use it to examine or modify the configuration of the serial port Follow these steps to configure the serial port 1 Select Start Settings Control Panel and double click on the niports icon A list of National Instruments ports appears as shown in Figure 4 10 National Instruments Ports Ports COMS N I PCMCIA 232 2 COM N I PCMCIA Close Settings Delete Eil m Add a New PCMCIA card PCMCIA 485 z Add Figure 4 10 niports Configuration Utility 2 Select the port you are interested in Click on the Settings button to view or configure the port settings Refer to the next section General Port Settings for more information 4 Click on the Resources button in the General Port Settings dialog box to view or configure the resources for the port Refer to the Resource Settings section for more information National Instruments Corporation 4 19 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration 5 Click on Delete to remove hardware information about the port
21. PCI Windows NT C 5 PCMCIA Windows 2000 C 12 PCMCIA Windows Me 9x C 14 PCMCIA Windows NT C 16 PXI Windows 2000 C 7 PXI Windows Me 9x C 9 PXI Windows NT C 10 uninstalling AT Windows 2000 C 17 AT Windows Me 9x C 18 AT Windows NT C 20 Serial Hardware and Software for Windows 1 8 PCI Windows 2000 C 2 PCI Windows Me 9x C 3 PCI Windows NT C 5 PCMCIA Windows 2000 C 12 PCMCIA Windows Me 9x C 13 PCMCIA Windows NT C 15 PXI Windows 2000 C 7 PXI Windows Me 9x C 8 PXI Windows NT C 10 using 6 1 serial port information B 1 serial software installation Windows 2000 2 1 3 1 4 1 5 1 Windows Me 9x 2 9 3 9 4 8 5 9 Windows NT 2 18 3 17 4 16 5 19 overview 1 8 uninstalling Windows 2000 C 3 C 8 C 13 C 18 Windows Me 9x C 4 C 9 C 15 C 20 Windows NT C 6 C 11 C 16 C 21 setting transceiver control mode 6 3 setting with DeviceloControl 6 4 software characteristics AT E 11 PCI E 4 PCMCIA E 8 PXI E 7 software installation getting started 1 2 Windows 2000 2 1 3 1 4 1 5 1 Windows Me 9x 2 9 3 9 4 8 5 9 Windows NT 2 18 3 17 4 16 5 19 specifications E 1 16 port boards PCI E 3 PXI E 6 AT E 9 ni com eight port boards PCI E 3 PXI E 6 environmental characteristics AT E 11 PCI E 4 PXI E 7 four port boards AT E 10 PCI E 2 PXI E 5 isolated four port boards AT E 10 PCI E 2 isolated two port boards AT E 9 PCI E 1 PCI E 1 PCMCIA E 8 PXI E 5 s
22. Serial Hardware and Software for Windows Index PCI E 1 PXI E 5 two wire devices A 1 connecting A 1 typical full duplex system figure B 4 typical half duplex system figure B 4 U uninstalling serial hardware AT Windows Me 9x C 18 AT Windows 2000 C 17 AT Windows NT C 20 PCI Windows 2000 C 2 PCI Windows Me 9x C 3 PCI Windows NT C 5 PCMCIA Windows 2000 C 12 PCMCIA Windows Me 9x C 13 PCMCIA Windows NT C 15 PXI Windows 2000 C 7 PXI Windows Me 9x C 8 PXI Windows NT C 10 uninstalling serial software Windows 2000 C 3 C 8 C 13 C 18 Windows Me 9x C 4 C 9 C 15 C 20 Windows NT C 6 C 11 C 16 C 21 using FIFO buffers 2 9 2 17 3 8 3 16 4 8 4 15 5 9 5 18 using serial hardware 6 1 using this manual 1 1 Serial Hardware and Software for Windows V verifying hardware installation AT Windows 2000 5 4 AT Windows Me 9x 5 12 AT Windows NT 5 21 PCI Windows 2000 2 4 PCI Windows Me 9x 2 12 PCI Windows NT 2 20 PCMCIA Windows 2000 4 3 PCMCIA Windows Me 9x 4 10 PCMCIA Windows NT 4 18 PXI Windows 2000 3 4 PXI Windows Me 9x 3 11 PXI Windows NT 3 19 verifying hardware resources AT Windows Me 9x 5 13 PCMCIA Windows Me 9x 4 12 viewing or changing communication port settings Windows 2000 2 5 3 5 4 5 5 5 Windows Me 9x 2 14 3 13 4 13 5 14 Windows NT 2 21 3 20 4 19 5 22 W Web support from National Instruments F 1 Win32 Overviews and Win32 Reference
23. Verification and Configuration Wind ws 2000s recacssseciiccccus coestaazaas sekedecag ENAC AA A EE T S 3 1 Installthe SoftWare snime E E N 3 1 Install the Hardware iee oenina E E ERTE 3 2 Verify the Installations esperie iced seth E E E R 3 4 Configure Communication Port Settings sseesseeessessseersseeresrsrrsrsrrsresrsresrsee 3 5 Windows MC ON ie enoaan eA nck A EEEE aes OR A ATAS 3 9 Install the SOftware o csiis css cseaetecscudcesdd a a A NEE O E E TE 3 9 Inst ll the Tard Ware sss airan aia e r E a E NE 3 10 Verify the Installation necsiusinneennin nn a a a i 3 11 Configure Communication Port Settings sseessesesseesseereresresrsrrsreresresrsresrsee 3 13 AALAN E TE EE E A E T 3 17 Inst llthe SoftWare nsa ne e e a E aE 3 17 Install the Hard Ware nsin aenn A a i T EE 3 17 Verify the Installation iienaa aiai A E RE A 3 19 Configure Communication Port Settings esseessesessessseersreeresrsresrsresresrsresrsee 3 20 Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Windows 2000 23 sac cans tock cveetonseedhswesd slveteudcvcvewess tae ates sos sive coh E ROA E N R 4 1 Install the Software siisc ciciwedeiiscieee a tet erate ete nies eee een 4 1 Install the Hardware sexi se secseceech ces niort e eE E E TEE NR 4 2 Verify the Installation nianie hc ceovs Gaara oetkgehecteks Gast AE A EES 4 3 Configure Communication Port Settings esseesssesssessseessseerestsrrsrsresresesresreee 4 5
24. Windows Appendix D Troubleshooting and Common Questions Resolving Resource Conflicts with Legacy Boards Resource conflicts typically occur if your system contains legacy boards that use resources that are not reserved properly If a resource conflict exists write down the resource that caused the conflict and refer to the Microsoft Windows 2000 user s guide for instructions on how to use the Device Manager to reserve I O and IRQ resources for legacy boards Common Questions How can I determine which type of serial hardware I have installed 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Hardware tab and click on the Device Manager button 3 Double click on the Ports COM amp LPT icon to display a list of installed ports How can I determine which version of the NI Serial software I have installed The Read Me file gives the version of the software To open the file select Start Programs National Instruments NI Serial Read Me What do I do if the diagnostic test fails with an error Refer to the Troubleshooting Diagnostic Messages section earlier in this appendix How can I determine which port is associated with COMx To determine which physical port is associated with COMx complete the following steps 1 Inthe Device Manager under Ports COM amp LPT double click on a serial port 2 Note the Port 1 Port 2 etc entries next to the COM numbers For a
25. Windows Me 9x 3 16 PCI Windows Me 9x 2 17 PCMCIA Windows Me 9x 4 15 PXI Windows Me 9x 3 16 transceiver mode AT Windows Me 9x 5 17 PCI Windows Me 9x 2 17 PCMCIA Windows Me 9x 4 15 PXI Windows Me 9x 3 16 advanced settings AT Windows 2000 5 8 dialog box figure AT Windows 2000 5 8 PCI Windows 2000 2 8 National Instruments Corporation PCMCIA Windows 2000 4 7 PXI Windows 2000 3 8 PCI Windows 2000 2 8 PCMCIA Windows 2000 4 7 PXI Windows 2000 3 7 transceiver mode AT Windows 2000 5 8 PCI Windows 2000 2 8 PCMCIA Windows 2000 4 7 PXI Windows 2000 3 8 using FIFO buffers 2 9 2 17 3 8 3 16 4 8 4 15 5 9 5 18 advanced transceiver control 6 1 four wire mode 6 2 setting transceiver control mode 6 3 transceiver mode control bytes table 6 4 transceiver mode control modes table 6 2 two wire mode DTR controlled 6 2 two wire mode DTR with Echo 6 2 two wire mode TXRDY auto control 6 3 AT serial board installation figure 5 3 5 11 5 20 bias resistors B 5 using in transmission line figure B 6 C cable connection A 1 changing communication port settings Windows 2000 2 5 3 5 4 5 5 5 Windows NT 2 21 3 20 4 19 5 22 changing resources assigned to serial interface D 16 COM port number 2 22 3 21 4 20 5 23 Serial Hardware and Software for Windows Index common questions changing resources assigned to serial interface D 16 determining number of interrupts
26. Windows Me 9x 4 12 PCMCIA Windows NT 4 18 selecting resources for the PCMCIA card 4 18 serial hardware AT Windows 2000 5 2 AT Windows Me 9x 5 10 AT Windows NT 5 19 PCI Windows 2000 2 2 PCI Windows Me 9x 2 10 PCI Windows NT 2 18 PCMCIA Windows 2000 4 2 PCMCIA Windows Me 9x 4 9 PCMCIA Windows NT 4 17 PXI Windows 2000 3 2 PXI Windows Me 9x 3 10 PXI Windows NT 3 17 serial software Windows 2000 2 1 3 1 4 1 5 1 Windows Me 9x 2 9 3 9 4 8 5 9 Windows NT 2 18 3 17 4 16 5 19 National Instruments Corporation l 5 verifying hardware installation 4 10 AT Windows 2000 5 4 AT Windows Me 9x 5 12 AT Windows NT 5 21 PCI Windows 2000 2 4 PCI Windows Me 9x 2 12 PCI Windows NT 2 20 PCMCIA Windows 2000 4 3 PCMCIA Windows Me 9x 4 12 PCMCIA Windows NT 4 18 PXI Windows 2000 3 4 PXI Windows Me 9x 3 11 PXI Windows NT 3 19 verifying hardware resources AT Windows Me 9x 5 13 PCMCIA Windows Me 9x 4 12 installing the PnP ISA Enabler Driver 5 18 interrupt request level D 6 freeing D 6 introduction 1 1 isolated four port boards AT E 10 PCI E 2 isolated two port boards AT E 9 PCI E 1 L LabVIEW 1 8 LabWindows CVI 1 9 legacy boards resolving resource conflicts with Windows 2000 D 4 Windows Me 9x D 11 Serial Hardware and Software for Windows Index maximum supported baud rate Windows 2000 D 5 Windows Me 9x D 17 Windows NT D 23 Measurement Studio 1 8 mis
27. a serial system The two common means of bi directional serial communication are full duplex and half duplex Half duplex communication involves a transmitter and a receiver connected to each end of the same wire or pair of wires Because the same transmission line both sends and receives data devices cannot send data in both directions at the same time First one device transmits over the wire s to the receiver of the second device When the first device finishes transmitting both devices switch the connections from their transmitter to their receiver or vice versa The device that was receiving data can then transmit over the line In full duplex communication the devices use a separate wire or pair of wires for simultaneous transmission in each direction Thus the devices do not switch between transmitting and receiving In a differential serial bus such as RS 422 or RS 485 a half duplex system transmits and receives over the same twisted pair of wires Thus half duplex communication is often referred to as two wire communications Likewise full duplex communication is often referred to as four wire communications because the full duplex system uses a separate pair of wires for communication in each direction Full Duplex A typical full duplex multidrop bus architecture involves a master slave protocol Only one device the master can control access to the bus All other devices are slaves Slave devices must wait for the mast
28. as devices belonging to the multi function adapters class The multi function parent device is listed under the Multi function adapters icon and each child device is listed as a port under the Ports COM amp LPT icon 3 11 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configuration Figure 3 6 shows the Device Manager tab for serial hardware that is installed properly System Properties 27 x General Device Manager Hardware Profiles Performance View devices by type View devices by connection Multi function adapters gt PX1 8422 Isolated RS 232 4 Ports Multi function Parent E Network adapters Other devices PCMCIA socket aF Ports COM amp LPT J Communications Port COM1 F PxI 8422 Isolated RS 232 4 Ports COM5 J PxI 8422 Isolated RS 232 4 Ports COM6 PxI 8422 Isolated RS 232 4 Ports COM F PXI 8422 Isolated RS 232 4 Ports COM8 A Sound video and game controllers System devices F F Properties Refresh Remove Print Figure 3 6 Device Manager for PXI Serial Board Ports 5 Verify the hardware resources as follows a Inthe Device Manager tab under Multi function adapters double click on a serial board b Click on the Resources tab If the resources were assigned properly the Resources tab shows which resour
29. as follows a Select Start Settings Control Panel and double click on the niports icon A list of installed National Instruments ports with their logical COMkx names appears If your interface is not on this list refer to Appendix D Troubleshooting and Common Questions b Select the COM port that you want to verify and click on the Settings button The General Port Settings dialog box displays the serial number of the serial hardware and the physical port number starting at 1 For all serial hardware PORT refers to the top port PORT2 refers to the next port down and so on 2 Run the diagnostic utility as follows select Start Programs National Instruments Serial diagnostics The diagnostic utility verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly If the test is successful your serial hardware and software are installed properly If the test fails refer to Appendix D Troubleshooting and Common Questions to troubleshoot the problem 3 After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Serial Hardware and Software for Windows 2 20 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration Configure Communication Po
30. board front panel to the front panel mounting rail of the PXI or CompactPCI chassis Turn on your PXI or CompactPCI chassis and start Windows Me 9x Windows Me 9x should automatically detect your hardware and display one or more New Hardware Found dialog boxes Make sure that Windows Default Driver is selected and click on the OK button If no New Hardware Found dialog box appears refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions The serial hardware installation is complete Continue to the next section Verify the Installation Verify the Installation Before you verify the installation keep in mind that the serial ports built into your computer are typically named from COM1 to COM4 Windows Me 9x typically issues port names to the ports on NI serial hardware starting with COM5 COM6 and so on If not enough resources are available to assign to all the NI serial ports the port with the higher COMx name is not configured To verify the hardware and software installation complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Device Manager tab and click on the View devices by type button 3 Double click on the Ports COM amp LPT icon to display all of the ports 4 Double click on the Multi function adapters icon National Instruments Corporation The PXI serial boards are configured
31. click on the name of your interface Use the Resources page to change the resources Any resource changes are automatically reflected to the child devices 6 Uncheck the Use automatic settings checkbox and click on the Change Setting button If the system does not allow you to change the settings select the configuration that gives you a conflict free base address and interrupt level from the Setting based on list box Click on the OK button to save your changes Serial Hardware and Software for Windows D 8 ni com Appendix D Troubleshooting and Common Questions Troubleshooting Diagnostic Messages This section lists possible error messages returned by the diagnostic utility along with solutions No National Instruments Serial Port Found Ifthe No National Instruments serial port found error message appears complete the following steps 1 Verify the hardware resources as follows a Inthe Device Manager tab under Multi function adapters double click on a serial board b Ifa serial board is missing from the Multi function adapters list reinstall the hardware and software For instructions on how to do so refer to the installation and verification chapter for your hardware plaform c Click on the Resources tab If the resources were assigned properly the Resources tab shows which resources are assigned to your serial ports d Check the hardware resources If they are in conflict refer to the previous section T
32. conflict with the resources of any other interface in the system It does not check for conflicts with ports on the same board Make sure to assign base I O addresses that do not conflict with those assigned to another port on the same board National Instruments Corporation Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration B Note If you are unable to change the base I O address by double clicking on the Input Output Range control select a different Basic Configuration in the Setting based on control AT Boards Non Shared IRQ Each port on the board requires one I O window and one IRQ Input Output Range The base I O address range assigned to the port IRQ The IRQ assigned to the port Serial Hardware and Software for Windows 5 26 ni com Using Your Serial Hardware This chapter describes how to set the hardware transceiver control mode for your RS 485 interfaces and lists some general programming requirements General Programming Requirements The NI Serial software is fully integrated into the standard Windows communications software NI serial ports are used like any other Windows communications COM port Windows has standard communication functions for use within either Win16 or Win32 applications When you develop your application remember that you must use the standard Microsoft Windows serial communication functions For information
33. dialog box for the AT 232 4 figure 5 25 port settings tab AT Windows 2000 5 7 AT Windows Me 9x 5 16 options advanced port settings AT Windows Me 9x 5 17 PCI Windows Me 9x 2 17 ni com PCMCIA Windows Me 9x 4 15 PXI Windows Me 9x 3 16 advanced settings AT Windows 2000 5 8 PCI Windows 2000 2 8 PCMCIA Windows 2000 4 7 PXI Windows 2000 3 7 PCI Windows 2000 2 6 PCI Windows Me 9x 2 16 PCMCIA Windows 2000 4 6 PCMCIA Windows Me 9x 4 14 PXI Windows 2000 3 6 PXI Windows Me 9x 3 15 restore defaults button 2 9 2 18 3 9 3 17 4 8 4 16 5 9 ports list in Device Manager figure D 12 D 14 PXI serial board installation figure 3 3 3 10 3 18 PXI serial board names and descriptions table 1 5 R related documentation xiv removing information about serial boards from Device Manager Windows 2000 D 5 Windows Me 9x D 17 resolving resource conflicts D 19 resolving resource conflicts with legacy boards Windows 2000 D 4 Windows Me 9x D 11 resource configuration dialog box for the PCMCIA 485 figure 4 22 resource configuration dialog box for the PCMCIA 485 2 figure 4 23 resource settings 4 22 5 24 AT boards non shared IRQ 5 26 National Instruments Corporation l 7 Index AT boards shared IRQ 5 25 PCMCIA 232 PCMCIA 485 PCMCIA 232 4 4 22 PCMCIA 232 2 PCMCIA 485 2 4 23 restoring defaults 2 9 2 18 3 9 3 17 4 8 4 16 5 9 RS 232 standard B 1 features table
34. following steps to install the NI Serial software for Windows NT 1 Login as Administrator or as a user who has Administrator privileges 2 Select Start Settings Control Panel Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears Click on the Install button When prompted insert the N Serial Software for Windows 2000 NT Me 9x and click on the Next button The setup wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software To go back and change values where appropriate click on the Back button To exit the setup wizard at any time click on the Cancel button Sy Note The setup wizard backs up the Windows NT serial driver serial sys to serial bak and then overwrites serial sys You can find serial sys in the WinNT system32 drivers directory 6 If you your hardware is already installed restart Windows NT and continue to the Verify the Installation section The software installation is complete Continue to the next section Install the Hardware Install the Hardware Caution Before you remove your board from the package touch the antistatic plastic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on your serial board National Instruments Corporation 3 17 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configura
35. hardware resources assigned to the serial port click on the Resources tab e To view or change the port settings click on the Port Settings tab For more information about the settings refer to the next section Port Settings Tab e To change the RS 485 transceiver mode or to enable or disable the FIFOs on the serial hardware in the Port Settings tab click on the Advanced button For more information about the settings refer to the next section Port Settings Tab 3 Note If you use two wire TXRDY mode FIFOs must be enabled Transceiver modes apply to RS 485 interfaces only For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware 5 To save your changes click on the OK button To exit without saving the changes click on the Cancel button National Instruments Corporation 5 15 Serial Hardware and Software for Windows Chapter5 AT Serial Hardware Installation Verification and Configuration Port Settings Tab On the Port Settings tab you can change any of the settings by clicking on the arrow button to the right of the setting When you click on the arrow button a list of valid values for that setting appears Select the desired setting from the list Figure 5 7 shows the Port Settings tab N I AT 485 2 Communications Port COM6 Properties KJ EG Figure 5 7 Port Settings Tab Serial Hardware and Software for Windows 5 16 ni com Chapter 5 AT Serial Hardware Installati
36. necessary steps to install the NI Serial software To exit the setup wizard at any time click on the Cancel button 7 Ifyou need to install your hardware or if this is your first time to install the NI Serial software for Windows 2000 skip to the next section Install the Hardware Otherwise continue to step 8 8 If your hardware is already installed restart Windows 2000 National Instruments Corporation 2 1 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration Install the Hardware Windows 2000 should automatically detect your hardware and display the Found New Hardware Wizard Complete the wizard by clicking Next in each window and then Finish When you complete the wizard continue to the Verify the Installation section If the Found New Hardware Wizard does not appear refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions 3 Note Ifyou are installing a PCI 485 you might need to adjust the value of the bias resistors depending on your application Bias resistors are not available on the eight port PCI 485 For more information refer to Appendix B Serial Port Information UN Caution Before you remove your board from the package touch the antistatic plastic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on your serial board To i
37. nonisolated versions This manual assumes that you are already familiar with Windows 2000 NT Me 9x 3 A AT serial boards The following conventions appear in this manual The symbol leads you through nested menu items and dialog box options to a final action The sequence File Page Setup Options directs you to pull down the File menu select the Page Setup item and select Options from the last dialog box The symbol indicates that the following text applies only to a specific product a specific operating system or a specific software version This icon denotes a note which alerts you to important information This icon denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash AT serial boards refers to all port versions of the AT serial boards National Instruments Corporation xiii Serial Hardware and Software for Windows About This Manual bold DTR italic monospace monospace bold PCI serial boards PCMCIA serial boards PXI serial boards Bold text denotes items that you must select or click on in the software such as menu items and dialog box options Bold text also denotes parameter names Signal names with an overscore such as DTR indicate that the signal is active low Italic text denotes variables emphasis a cross reference or an introduction to a key concept This font also denotes text that is a placeholder for a word or
38. on communication lines The RS 485 boards PXI 8421 and PXI 8423 support four hardware transceiver control modes for reliable communication with two and four wire devices For more information about transceiver control modes refer to Chapter 6 Using Your Serial Hardware All serial hardware uses standard 16550 compatible UARTs Universal Asynchronous Receiver Transmitters for complete compatibility with standard PC COM ports The serial hardware contains FIFOs First In First Out buffers to reduce susceptibility to interrupt latency for faster transmission rates Full Plug and Play compatibility allows switchless configuration and installation For more information about the serial hardware specifications and operating conditions refer to Appendix E Specifications Table 1 1 lists the PXI serial board numbers and corresponding board descriptions Table 1 1 PX Board Names and Descriptions PXI Board Name Description PXI 8420 RS 232 two port RS 232 four port RS 232 eight port RS 232 16 port PXI 8421 RS 485 two port RS 485 four port RS 485 eight port PXI 8422 RS 232 two port isolated RS 232 four port isolated PXI 8423 RS 485 two port isolated RS 485 four port isolated National Instruments Corporation 1 5 Serial Hardware and Software for Windows Chapter 1 Introduction PCMCIA Kits AT Kits The serial hardware gives you a variety of solutions for serial communications The PCMCIA 232 inter
39. on the Install button 4 When prompted insert the N Serial Software for Windows 2000 NT Me 9x CD and click on the Next button to proceed The software installation wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software You can go back and change values where appropriate by clicking on the Back button You can exit the setup where appropriate by clicking on the Cancel button Serial Hardware and Software for Windows 4 8 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration 5 Ifyou need to install your hardware or if this is your first time to install the NI Serial software for Windows Me 9x skip to the next section Install the Hardware Otherwise continue to Step 6 6 If your hardware is already installed restart Windows Me 9x Windows Me 9x should automatically detect your hardware and display one or more New Hardware Found dialog boxes When you finish continue to the Verify the Installation section If no New Hardware Found dialog box appears refer to the section Forcing Windows to Detect Your Hardware in Appendix D Troubleshooting and Common Questions Install the Hardware To install the PCMCIA 232 or PCMCIA 485 in your computer first start Windows Me 9x If the card is not already inserted insert it into a free PC Card PCMCIA socket the same way you insert a disk into a floppy drive The card has no jumpers or switches to set a
40. operating conditions PCI Serial Hardware Two Port Boards DIMENSIONS iiciin iesea 10 67 by 14 22 cm 4 2 by 5 6 in VO CONDECION a r E DB 9 Power requirement from PCI channel PCI 485 2 5 VDUreneeiinie iieii 350 mA typical 750 mA maximum PCI 232 2 HD VDG rpareren irio 50 mA typical 100 mA maximum 412 VDC i ica seie 20 mA typical 200 mA maximum Isolated Two Port Boards DIMENSIONS aaan 10 67 by 14 22 cm 4 2 by 5 6 in T O CONME COR S aeien n aei DB 9 Isolation voltage From port to port eee 2000 Vrms 60s From any port to host computer 2000 Vrms 60s National Instruments Corporation E 1 Serial Hardware and Software for Windows Appendix E Specifications for PCI Serial Hardware Power requirement from PCI channel PCI 485 2 F3 VDG ianen ine tacit 800 mA typical 1300 mA maximum PCI 232 2 5 VDC i aaeeea 400 mA typical 650 mA maximum Four Port Boards DIMENS oNSs sasian 10 67 by 17 27 cm 4 2 by 6 8 in V O connector s sssssssessssessesessesesseseseesee 10 position modular jack Power requirement from PCI channel PCI 485 4 9 VDCis ss etitiain ae 700 mA typical 1300 mA maximum PCI 232 4 BON DG rennen aans 70 mA typical 150 mA maximum 12 VDC ee en a 40 mA typical 400 mA maximum Isolated Four Port Boards DiMeMSIONS 2000 eee eeeeeeeeeeeeeeeeeees 10 67 by 17 27 cm 4 2 by 6 8 in V O connector ececeeeseseseeeeeeeseseeeeeees 10 position modular jack Isolation vo
41. overrun errors due to interrupt latency If your data transfer sizes are small and your Receive Buffer value is above your data sizes your system is less efficient Therefore set the Receive Buffer value below your data sizes Restore Defaults To reset the fields to their default values at any time click on the Restore Defaults button Windows Me 9x Install the Software Install the NI Serial software for Windows Me 9x before you install the hardware 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon in the Control Panel to launch the Add Remove Programs applet The Add Remove Programs dialog box appears Click on the Install button 4 When prompted insert the N Serial Software for Windows National Instruments Corporation 2000 NT Me 9x CD and click on the Next button to proceed The software installation wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software You can go back and change values where appropriate by clicking on the Back button You can exit the setup where appropriate by clicking on the Cancel button 5 9 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration Install the Hardware If you need to install your hardware or if this is your first time to install the NI Serial software for Windows Me 9x skip to the next section Install the Hardwa
42. per board This is the hardware that currently ships with Windows Me 9x If you have an older non shared IRQ board you need as many interrupts as there are ports on the board National Instruments Corporation D 17 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions Windows NT Missing Serial Port in the niports List PCI and PXI Boards The serial configuration utility contains configuration information for serial hardware that is installed in your system To start the configuration utility select Start Settings Control Panel and double click on the niports icon If your PCI or PXI serial hardware is missing from this list complete the following steps 1 Physically make sure that your board is installed properly 2 Make sure that the National Instruments serial driver is installed as follows a Locate serial sys in the WinNT system32 drivers directory b Right click on serial sys and select Properties c Click on the Version tab If the Company Name is Microsoft the National Instruments serial driver is not installed properly To solve this problem reinstall the NI Serial software For instructions on how to do so refer to the installation and verification chapter for your hardware platform AT Boards The serial configuration utility niports contains configuration information for serial hardware it is aware of that is installed in your system To start the confi
43. port is missing from the Ports list reinstall the hardware and software For instructions on how to do so refer to the installation and verification chapter for your hardware platform c Inthe General Port Settings dialog box click on the Resources button to view the resources for the port d Check the hardware resources If they are in conflict refer to the previous section Resolving Resource Conflicts 2 Make sure that the National Instruments serial driver is installed as follows a Locate the serial sys file in the WinNT system32 drivers directory b Ifthe serial sys file is missing reinstall the hardware and software For instructions on how to do so refer to the installation and verification chapter for your hardware platform Right click on the serial sys file and select Properties d Click on the Version tab If the Company Name is Microsoft the National Instruments serial driver is not installed properly To solve this problem reinstall the NI Serial software For instructions on how to do so refer to the installation and verification chapter for your hardware platform 3 Physically make sure the correct number of boards and ports are installed Address Test Failed If the address test failed Interrupt test cannot be performed error message appears you might have an address conflict with legacy boards in your system To solve this problem change the base addresses assigned to your legacy boards F
44. serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly If the test is successful your serial hardware and software are installed properly If the test fails refer to Appendix D Troubleshooting and Common Questions to troubleshoot the problem 8 After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Settings The serial configuration utility is fully integrated into the Windows 2000 Device Manager You can use it to view or change the configuration of your serial ports To configure a serial port complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Hardware tab and click on the Device Manager button Double click on the Ports COM amp LPT icon National Instruments Corporation 2 5 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration 4 Double click on the port you want to configure and refer to the following instructions e To view the hardware resources assigned to the serial port click on the Resources tab e To view or change the port settings click on the Port Settings tab For more information about the
45. software are installed properly If the test fails refer to Appendix D Troubleshooting and Common Questions to troubleshoot the problem After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Settings The serial configuration utility is fully integrated into the Windows 2000 Device Manager You can use it to view or change the configuration of your serial ports To configure a serial port complete the following steps 1 National Instruments Corporation Select Start Settings Control Panel and double click on the System icon Click on the Hardware tab and click on the Device Manager button Double click on the Ports COM amp LPT icon 3 5 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configuration 4 Double click on the port you want to configure and refer to the following instructions e To view the hardware resources assigned to the serial port click on the Resources tab e To view or change the port settings click on the Port Settings tab For more information about the settings refer to the next section Port Settings Tab e To change the RS 485 transceiver mode or to enable or disable the FIFOs on the serial hardware in the Port Settings tab click on the Advanced button For more information about the settings
46. the System icon 2 Click on the Device Manager tab and click on the View devices by type button 3 Double click on the Ports COM amp LPT icon 3 Note Ifyou want your serial ports to use the names COM1 COM2 COM3 or COM4 refer to the Common Questions section of Appendix D Troubleshooting and Common Questions Serial Hardware and Software for Windows 2 14 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration 4 Double click on the port you want to configure and refer to the following instructions e To view the hardware resources assigned to the serial port click on the Resources tab e To view or change the port settings click on the Port Settings tab For more information about the settings refer to the next section Port Settings Tab e To change the RS 485 transceiver mode or to enable or disable the FIFOs on the serial hardware in the Port Settings tab click on the Advanced button For more information about the settings refer to the next section Port Settings Tab 3 Note Transceiver modes apply to RS 485 interfaces only For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware 5 To save your changes click on the OK button To exit without saving the changes click on the Cancel button National Instruments Corporation 2 15 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configur
47. wires wire A and wire B A logical is represented by the voltage on line A being greater than the voltage on line B A logical 0 is represented by the voltage on line A being less than the voltage on line B Differential voltage transmission creates a signal that is more immune to noise as well as voltage loss due to transmission line effects Thus you can use RS 422 for longer distances up to 4 000 ft and greater transmission speeds up to 10 Mbytes s than RS 232 As specified in the E A 485 Standard Standard for Electrical Characteristics of Generators and Receivers for Use in Balanced Digital Multipoint Systems RS 485 expands on the RS 422 standard by increasing the number of devices you can use from 10 to 32 and by working with half duplex bus architectures Unlike the RS 422 standard RS 485 addresses the issue of using multiple transmitters on the same line RS 485 defines the electrical characteristics necessary to ensure adequate signal voltages under maximum load short circuit protection RS 485 can also withstand multiple drivers driving conflicting signals at the same time Serial Hardware and Software for Windows B 2 ni com Appendix B Serial Port Information Serial Communication Issues This section explains some serial communication issues including duplex architectures termination methods bias resistors and types of connecting equipment Duplex Architectures Duplex refers to the means of bandwidth usage in
48. 0 mA maximum AT 232 2 Isolated 00 0 0 cece cece 5 VDC 160 mA typical 200 mA maximum National Instruments Corporation E 9 Serial Hardware and Software for Windows Appendix E Specifications for AT Serial Hardware Four Port AT Serial Boards Nonisolated DiMeMSIONS 2000 eeeeeeeeeeeeeeeeeees 10 67 by 16 51 cm 4 2 by 6 5 in VO comnector 0 ccccccccsceseseteeeeeeseseees 10 position modular jack Power Requirement from PC AT I O channel APASIA ccsecste cet sevestag R RRE 5 VDC AIT 23 E EET 5 VDC AT 485 4 Shared IRQ eee 5 VDC AT 232 4 Shared IRQ e eee 5 VDC Four Port AT Serial Boards Isolated 160 mA typical 200 mA maximum 110 mA typical 150 mA maximum 160 mA typical 200 mA maximum 110 mA typical 150 mA maximum Dimensions 2000 eee eeeeeeeeeeeeeeeeeeeees 10 67 by 25 40 cm 4 2 by 10 0 in VO COnnectOr c cecsececseseseteteteteteteteeees 10 position modular jack Isolation voltage 300 mA typical 360 mA maximum From Port to Port 3000 Vrms 60s From Any Port to Host Computer sisisi inerents 2000 Vrms 60s Power Requirement from PC AT I O channel AT 485 4 Isolated eee eee 5 VDC AT 232 4 Isolated eee eee 5 VDC 280 mA typical 320 mA maximum The four port AT serial board requires a cable to convert the 10 position modular jack to either DB 9 or DB 25 connectors 2 The four port isolated AT serial board requires cables which are included in y
49. 2 Selecting an Interface to Uninstall Click on the Remove button 6 Inthe Confirm Device Removal dialog box click on the OK button to remove the hardware information or click on the Cancel button to cancel your request Uninstall the Software Before you uninstall the NI Serial software you must remove the hardware information from your system as described in the previous section To uninstall the NI Serial software complete the following steps 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears This dialog box lists the software that you can uninstall Serial Hardware and Software for Windows C 4 ni com Windows NT Appendix C Uninstalling the Hardware and Software 3 Select the NI Serial software you want to uninstall and click on the Add Remove button The uninstallation program removes all folders utilities and registry entries associated with the NI Serial software 4 Shut down Windows Me 9x turn off your computer and physically remove the serial interfaces from your system The uninstallation program removes only items that the setup wizard installed If you added anything to a directory that the setup wizard created the uninstallation program does not delete that directory You must remove any remaining components yourself To reinstall the hardware and software refer to Chapter 2 PCI Serial Hardware Installation
50. 3 Note Transceiver modes apply to RS 485 interfaces only For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware 5 To save your changes click on the OK button To exit without saving the changes click on the Cancel button Serial Hardware and Software for Windows 5 6 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration Port Settings Tab In the Port Settings tab you can change any of the settings by clicking on the arrow button to the right of a field When you click on the arrow button a list of valid values for that field appears and you can select the desired setting from the list Figure 5 3 shows the Port Settings tab N I AT 232 4 Shared IRQ Communications Port COM20 Prop General Port Settings Driver Resources Bits per second Data bits fe n Parity None Stop bits pooo n Elow control None bs Advanced Restore Defaults Cancel Figure 5 3 Port Settings Tab National Instruments Corporation 5 7 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration Advanced Settings To view or change the advanced settings click on the Advanced button Figure 5 4 shows the Advanced Settings dialog box Advanced Settings for COM159 E m Use FIFO buffers requires 16550 compatible UART 21x OK Select lower settings
51. 32 4 dialog boxes are similar PCMCIA Port Resource Configuration Ea ge N I PCMC14 485 Base I O Address 100 ba Length of 1 0 Window 8 Bytes IRQ 3 z Cancel Figure 4 12 Resource Configuration Dialog Box for the PCMCIA 485 Base I O Address The base I O address assigned to the port IRQ The IRQ assigned to the port Length The size in bytes of the I O window For the PCMCIA 232 and PCMCIA 485 the length is 8 the size of the I O window for one port For the PCMCIA 2372 4 the length is 32 bytes the size of the I O window for four ports Serial Hardware and Software for Windows 4 22 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration PCMCIA 232 2 PCMCIA 485 2 These cards require two base I O settings one for each port and they share an IRQ Figure 4 13 shows the resource configuration dialog box for a PCMCIA 485 2 The PCMCIA 232 2 dialog box is similar PCMCIA Port Resource Configuration Eg rox G2 N I PEMCIA 485 2 Base I O Address 2e8 28 x Length of 1 0 Window 8 Bytes IRQ Figure 4 13 Resource Configuration Dialog Box for the PCMCIA 485 2 Base I O Address The base I O addresses assigned to the two ports IRQ The IRQ shared by the two ports Length The size of each I O window in bytes Sy Note When you select resources for the PCMCIA cards use the Microsoft Windows NT diagnostics utility to make sure that the resour
52. 4 Windows Me 9x Freeing an Interrupt Request Level 0 00 eee D 6 Selecting Conflict Free Resources 0 00 eee eeeeeeeeeseeeeeees D 7 Troubleshooting Diagnostic Messages eeeeeeeeeeeees D 9 Resolving Resource Conflicts with Legacy Boards D 11 Forcing Windows to Detect Your Hardwate eee D 11 COMMON QUESTIONS eescceeesceesseeesteeeesseeeeeseeeesseeeneaees D 14 Windows NT Missing Serial Port in the niports List eee D 18 Resolving Resource Conflicts 0 0 0 eee eeceseeseeeeeeeeeeees D 19 Troubleshooting Diagnostic Messages cesses D 20 COMMON QUESTIONS ceseceeesceessseceeseeeeseneeeeseeeessseeeseaees D 22 National Instruments Corporation D 1 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions Windows 2000 Forcing Windows to Detect Your Hardware ZveviceManoger TT If Windows 2000 did not display the Found New Hardware Wizard it did not detect your hardware To solve this problem complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Select the Hardware tab and click on the Device Manager button Double click on the Multi function adapters icon 4 From the Multi function adapters list right click on the National Instruments interface that you want to uninstall as shown in Figure D 1 This example shows a PCI interface D action vew e gt S
53. 5 F N I AT 232 4 Shared IRQ Communications Port COM26 oy Printer Port LPT1 E g Sound video and game controllers xl p e 0 0 0 1 6 Figure 5 2 Device Manager for AT Serial Board Ports Serial Hardware and Software for Windows 5 4 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration Verify the hardware resources as follows a Inthe Device Manager under Multi function adapters double click on a serial board b Click on the Resources tab If the resources were assigned properly the Resources tab shows which resources are assigned to your serial ports c Repeat steps 5a and 5b until you have verified the resources for each board Optional To determine which physical port is associated with COMx note the Port 1 Port 2 etc entries next to the COM numbers For all serial hardware PORT refers to the top port PORT2 refers to the next port down and so on Run the diagnostic utility as follows select Start Programs National Instruments NI Serial Diagnostics The diagnostic utility verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly If the test is successful your serial hardware and software are installed properly If the test fails
54. 9x typically issues port names to the ports on NI serial hardware starting with COM5 COM6 and so on If not enough resources are available to assign to all the NI serial ports the port with the higher COM lt x name is left unconfigured Double click on the System icon in the Control Panel In the System Properties window that appears select the Device Manager tab and click on the View devices by type button at the top of the page If necessary double click on the Ports COM amp LPT icon to view all of the ports The shared IRQ AT serial boards are configured as devices belonging to the multi function adapters class The multi function parent device is listed under the Multi function adapters icon and each child device is listed as a port under the Ports COM amp LPT icon If you have installed one of these interfaces double click on the Multi function adapters icon as well as the Ports COM amp LPT icon to look at the ports resources To modify the hardware resources double click on the Multi Function adapters icon If a circled exclamation point appears through the port icon the serial port is not installed properly A problem with the port may have occurred because Windows Me 9x could not acquire resources for the port or because an interrupt request resource conflict exists If no circled exclamation point appears the serial hardware is installed correctly Figure 5 6 shows an example of NI serial hardware that is insta
55. AT 232 4 Communications Port COM oY N I AT 232 4 Communications Port COM8 F N I AT 232 4 Communications Port COM9 F N I AT 485 2 Communications Port COM5 N I AT 485 2 Communications Port COME Printer Port LPT 1 System devices oa Properties Refresh Remove Print Figure D 3 Ports List in Device Manager Ta 7 Click on the Remove button and click on OK to confirm the removal of the serial hardware information Repeat steps 6 and 7 until all serial board entries are removed Then click on Refresh to force Windows Me 9x to detect the serial hardware and display the New Hardware Found dialog box Common Questions How can I determine which type of serial hardware I have installed 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Device Manager tab and click on the View devices by type button 3 Double click on the Ports COM amp LPT icon to display a list of installed ports Serial Hardware and Software for Windows D 14 ni com Appendix D Troubleshooting and Common Questions How can I determine which version of the NI Serial software I have installed The Read Me file gives the version of the software To open the file select Start Programs National Instruments Serial Read Me What do I do if the diagnostic test fails with an error Refer to the Troubleshooting Diagnostic M
56. B 1 RS 422 standard B 2 features table B 1 RS 485 standard B 2 features table B 1 running the diagnostic test AT Windows Me 9x 5 14 AT Windows NT 5 21 PCMCIA Windows Me 9x 4 12 PCMCIA Windows NT 4 18 S selecting an interface to uninstall figure AT Windows 2000 C 17 AT Windows Me 9x C 19 AT Windows NT C 21 PCI Windows 2000 C 2 D 2 PCI Windows Me 9x C 4 PCI Windows NT C 5 PCMCIA Windows 2000 C 12 PCMCIA Windows Me 9x C 14 PCMCIA Windows NT C 16 PXI Windows 2000 C 7 PXI Windows Me 9x C 9 PXI Windows NT C 10 selecting conflict free resources D 7 selecting resources for the PCMCIA card 4 18 serial communication issues B 3 bias resistors B 5 DTE vs DCE B 7 duplex architectures B 3 termination B 5 Serial Hardware and Software for Windows Index serial hardware forcing Windows to detect Windows 2000 D 2 Windows Me 9x D 11 general programming requirements 6 1 installation AT Windows 2000 5 2 AT Windows Me 9x 5 10 AT Windows NT 5 19 PCI Windows 2000 2 2 PCI Windows Me 9x 2 10 PCI Windows NT 2 18 PCMCIA Windows 2000 4 2 PCMCIA Windows Me 9x 4 9 PCMCIA Windows NT 4 17 PXI Windows 2000 3 2 PXI Windows Me 9x 3 10 PXI Windows NT 3 17 overview AT 1 6 PCI 1 3 PCMCIA 1 6 PXI 1 4 selecting an interface to uninstall figure AT Windows 2000 C 17 AT Windows Me 9x C 19 AT Windows NT C 21 PCI Windows 2000 C 2 D 2 PCI Windows Me 9x C 4
57. BY Network adapters oY Ports COM amp LPT F Communications Port COM1 F Communications Port COM2 i 2 4 Communications Port COM10 F N I AT 232 4 Communications Port COM F N I AT 232 4 Communications Port COM8 F N I AT 232 4 Communications Port COM9 oY N I AT 485 2 Communications Port COMS5 N I AT 485 2 Communications Port COME Printer Port LPT 1 H System devices Properties Refresh Remove Print Figure C 11 Selecting an Interface to Uninstall 6 Click on the Remove button 3 Note To remove ports on shared IRQ AT boards from within the Device Manager you must open the Multi function adapters class select the name of your interface and click on the Remove button 7 Inthe Confirm Device Removal dialog box click on the OK button to remove this interface or click on Cancel to cancel your request National Instruments Corporation C 19 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and Software Windows NT Uninstall the Software Before uninstalling the software remove all serial port information from the Windows Me 9x Device Manager as described in the previous section You do not need to shut down Windows Me 9x before uninstalling the software Complete the following steps to remove the NI Serial software 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs ico
58. CC has rules to protect wireless communications from interference The FCC places digital electronics into two classes These classes are known as Class A for use in industrial commercial locations only or Class B for use in residential or commercial locations Depending on where it is operated this product could be subject to restrictions in the FCC rules In Canada the Department of Communications DOC of Industry Canada regulates wireless interference in much the same way Digital electronics emit weak signals during normal operation that can affect radio television or other wireless products By examining the product you purchased you can determine the FCC Class and therefore which of the two FCC DOC Warnings apply in the following sections Some products may not be labeled at all for FCC if so the reader should then assume these are Class A devices FCC Class A products only display a simple warning statement of one paragraph in length regarding interference and undesired operation Most of our products are FCC Class A The FCC rules have restrictions regarding the locations where FCC Class A products can be operated FCC Class B products display either a FCC ID code starting with the letters EXN Tiade Nae Wedel Nunwar or the FCC Class B compliance mark that appears as shown here on the right Er eo Cornea FC with FCC Standards Consult the FCC web site http www fcc gov for more information FCC DOC Warnings This equ
59. COM3 oy N I PXI 8421 RS 485 2 Ports Port 1 COM161 oy N I PXI 8421 RS 485 2 Ports Port 2 COM160 a Printer Port LPT1 ol g Sound video and game controllers H System devices El 2 Universal Serial Bus controllers Figure 3 2 Device Manager for PXI Serial Board Ports Serial Hardware and Software for Windows 3 4 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration Verify the hardware resources as follows a Inthe Device Manager under Multi function adapters double click on a serial board b Click on the Resources tab If the resources were assigned properly the Resources tab shows which resources are assigned to your serial ports c Repeat steps 5a and 5b until you have verified the resources for each board Optional To determine which physical port is associated with COMx note the Port 1 Port 2 etc entries next to the COM numbers For all serial hardware PORT refers to the top port PORT2 refers to the next port down and so on Run the diagnostic utility as follows select Start Programs National Instruments NI Serial Diagnostics The diagnostic utility verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly If the test is successful your serial hardware and
60. Connector Port 485 232 485 D Sub 9 232 D Sub 9 1 2 3 4 5 6 7 8 Signal Connector Signal Connector 66 57 49 40 32 23 15 6 RXD 5 DCD 1 68 59 51 42 34 25 17 8 CTS 2 RXD 2 65 56 48 39 31 22 14 5 RTS 3 TXD 3 64 55 47 38 30 21 13 4 RXD 4 DTR 4 60 60 43 43 26 26 9 9 GND 1 GND 5 63 54 46 37 29 20 12 3 CTS 6 DSR 6 62 53 45 36 28 19 11 2 RTS 7 RTS 7 61 52 44 35 27 18 10 1 TXD 8 CTS 8 67 58 50 41 33 24 16 7 TXD 9 RI 9 National Instruments Corporation A 7 Serial Hardware and Software for Windows Appendix A Connector Descriptions 100 Pin Connector Figure A 6 and Table A 5 give the pin locations and descriptions of the 100 pin connector PIN 100 a e PIN 50 E E E u E E E Eu E E E E a u E E E E E E E E a u E E E E E E E E a u E E E E E E E E a u E E E E E E E E a u E E E E E E E E a u E E E E E E E E a u E E E E E E E E E u E E E E E E E E a E PIN 51 RS ie PIN 1 Figure A 6 100 Pin Connector Pin Locations Serial Hardware and Software for Windows A 8 ni com Appendix A Connector Descriptions Table A 5 100 Pin Connector Pin Descriptions 100 Pin Connector Port 232 232 D Sub 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Signal Connector 2 46 6 42 10 38 14 34 DCD 1 3 47 7 43 11
61. D OE E T TES 125 mA typical 200 mA maximum 2 NDC wise ee eee ay 40 mA typical 400 mA maximum 1 The four port PXI serial boards require a cable to convert the 10 position modular jack to either DB 9 or DB 25 connectors National Instruments Corporation E 5 Serial Hardware and Software for Windows Appendix E Specifications for PXI Serial Hardware PXI 8421 4 BD VDC sesso essectosssetintonssesciess 350 mA typical 750 mA maximum PXI 8422 4 9 ViID Bae bak ta kil E 500 mA typical 750 mA maximum PXI 8423 4 DS VDO siete tec hese pies 1000 mA typical 1500 mA maximum Eight Port Boards DIMENSIONS 2000 eee eee ese cece ee eeeeeeeeeees 100 by 160 mm 3 94 by 6 30 in V O connector c ccceccccecseseseeseseseseteeee 68 position SCSI type connector Power requirement from PXI channel PXI 8420 8 BON DG enun a pnn 150 mA typical 250 mA maximum 12V DC eame 80 mA typical 800 mA maximum PXI 8421 8 FY VDO ate iin nde 1100 mA typical 2000 mA maximum 16 Port Boards DIMENSIONS is is cdetescsocsdssescesseceessaebeesesss 100 by 160 mm 3 94 by 6 30 in VO connector oe eeeeeeeseseeteseseeeeseseseeteseaes 100 position SCSI type connector Power requirement from PXI channel PXI 8420 16 49 VDC aeann nan 500 mA typical 750 mA maximum The eight port PXI serial boards require cables which are included in your kit to convert the 68 position connector to eight DB 9 connectors 2 The 16 port PCI serial boards requi
62. Electrical and Electronic Engineers inches input output interrupt request Industry Standard Architecture kilobits per second meters Serial Hardware and Software for Windows G 2 ni com MB PC PCI RAM RI RTS RX RXD SCSI TX TXD TXRDY UART VDC VXI Winl6 Win32 Glossary megabytes of memory personal computer Peripheral Components Interconnect random access memory ring indicator request to send receive receive data the overscore denotes that the signal is active low seconds Small Computer Systems Interface transmit transmit data the overscore denotes that the signal is active low transmit ready the overscore denotes that the signal is active low Universal Asynchronous Receiver Transmitter volts volts direct current VME eXtensions for Instrumentation describes a 16 bit Windows application describes a 32 bit Windows application National Instruments Corporation G 3 Serial Hardware and Software for Windows Index Numerics 100 pin connector A 8 pin descriptions table A 9 pin locations figure A 8 10 position modular jack A 3 pin descriptions table A 3 pin locations figure A 3 16 port boards specifications PCI E 3 PXI E 6 68 pin connector A 6 pin descriptions table A 7 pin locations figure A 6 A advanced port settings AT Windows Me 9x 5 17 dialog box figure AT Windows Me 9x 5 17 PCI Windows Me 9x 2 17 PCMCIA Windows Me 9x 4 15 PXI
63. F ELECTRONIC MONITORING OR CONTROL DEVICES TRANSIENT FAILURES OF ELECTRONIC SYSTEMS HARDWARE AND OR SOFTWARE UNANTICIPATED USES OR MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE A SYSTEM FAILURE WOULD CREATE A RISK OF HARM TO PROPERTY OR PERSONS INCLUDING THE RISK OF BODILY INJURY AND DEATH SHOULD NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE TO AVOID DAMAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES INCLUDING BUT NOT LIMITED TO BACK UP OR SHUT DOWN MECHANISMS BECAUSE EACH END USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM NATIONAL INSTRUMENTS TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE NATIONAL INSTRUMENTS PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY NATIONAL INSTRUMENTS THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION Compliance FCC Canada Radio Frequency Interference Compliance Determining FCC Class The Federal Communications Commission F
64. FO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver The receive FIFO trigger denotes the number of characters received in the FIFO before the PC is interrupted to read the data The transmit FIFO trigger denotes the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data Consider the following points when selecting FIFO settings e You can select larger FIFO settings to reduce the number of interrupts and therefore minimize system overhead e Iftransfer rates are high you can lower receive FIFO settings to reduce the number of interrupts and therefore prevent overrun errors due to interrupt latency e If data transfer sizes are small selecting receive FIFO settings just above data sizes can reduce efficiency so select lower settings Resources Click on the Resources button to display the resource configuration dialog box for the port For more information on resource configuration refer to the next section Resource Settings National Instruments Corporation 4 21 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Resource Settings The following sections explain the resource configuration options for each serial interface PCMCIA 232 PCMCIA 485 PCMCIA 232 4 Figure 4 12 shows the resource configuration dialog box for a PCMCIA 485 The PCMCIA 232 and PCMCIA 2
65. Figure 4 3 shows the Port Settings tab N I PCMCIA 232 4 Communications Port 1 COM147 P General Port Settings Driver Resources Bits per second Data bits fe H Parity Nowe S Y Stop bits Poo Elow control Noe O YS Advanced Restore Defauts Cancel Figure 4 3 Port Settings Tab Serial Hardware and Software for Windows 4 6 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Advanced Settings To view or change the advanced settings click on the Advanced button Figure 4 4 shows the Advanced Settings dialog box Advanced Settings for COM159 m Use FIFO buffers requires 16550 compatible UART 21x OK Select lower settings to correct connection problems Cancel Select higher settings for faster performance Defaults dali Receive Buffer Low 8 J Hen E Transmit Buffer Low 8 J High 56 56 COM Port Number comis9 Transceiver Mode 4 Wire x 4 Wire 2 Wire DTR Controlled With Echo 2 Wire DTR Controlled 2 Wire TxAdy Auto Figure 4 4 Advanced Settings Dialog Box The following sections describe the advanced settings options Transceiver Mode This field shows the transceiver mode in use and applies only to PCMCIA 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware National Instruments Corporation 4 7 Se
66. IA 232 2 Communications Port COME F Printer Port LPT2 A Sound video and game controllers YAMAHA OPL3 SAx GamePort Ce eee ee ee ee ee ed Properties Refresh Remove Figure 4 6 Device Manager Ports List for PCMCIA Serial Card Correctly Installed National Instruments Corporation 4 11 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Verify the Hardware Resources For every port of the newly installed serial interface double click on the name of the serial port in the Device Manager Then click on the Resources tab If the resources were assigned correctly the Resources page shows which resources are assigned to your serial ports If Windows Me 9x did not assign any resources to the port the Resources page shows only a Set Configuration Manually button Click on the Set Configuration Manually button and try to assign conflict free resources to your serial hardware For instructions refer to the Selecting Conflict Free Resources section of Appendix D Troubleshooting and Common Questions You might have to free an interrupt request level so that one can be assigned to your serial hardware For instructions refer to the section Freeing an Interrupt Request Level in Appendix D Troubleshooting and Common Questions When you have finished verifying the hardware resources proceed to the next
67. OM37 oy Printer Port LPT1 fi Sound video and game controllers x Scan for hardware changes Properties Figure C 7 Selecting an Interface to Uninstall Serial Hardware and Software for Windows C 12 ni com Windows Me 9x Appendix C Uninstalling the Hardware and Software 5 Choose the Uninstall option 6 Inthe Confirm Device Removal dialog box click on the OK button to remove the hardware information or click on the Cancel button to cancel your request Uninstall the Software Before you uninstall the NI Serial software you must remove the hardware information from your system as described in the previous section To uninstall the NI Serial software complete the following steps 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears This dialog box lists the software that you can uninstall 3 Select NI Serial and click on the Change Remove button The uninstallation program removes all folders utilities and registry entries associated with the NI Serial software 4 Remove the PCMCIA serial interface from your system The uninstallation program removes only items that the setup wizard installed If you added anything to a directory that the setup wizard created the uninstallation program does not delete that directory You must remove any remaining components yourself To reinstall the hardware and software r
68. PCMCIA Serial Card eseeeeeeeseeeseeeereessersresrsresrsresresrseeses 4 17 Figure 4 10 niports Configuration Utility s esessesesseessressseeseseessestssrsresrsresresrsresrsee 4 19 Figure 4 11 General Port Settings Dialog BOX s esssssessesesssrssserssesrssrsresrsresresrsresrsee 4 20 Figure 4 12 Resource Configuration Dialog Box for the PCMCIA 485 i 4 22 Figure 4 13 Resource Configuration Dialog Box for the PCMCIA 485 2 4 23 Figure 5 1 AT Serial Board Installation eee ee ceeceseeseeeeeesecseeeaeeeeeeseeneenaes 5 3 Figure 5 2 Device Manager for AT Serial Board Ports tees eeeeseeeeeeteeees 5 4 Figure5 3 Port Settings Tabi s 2 si ccscusessveceascesseeahavcesvessoty casa sdbieeesbassotooesvseaeete ted 5 7 Figure 5 4 Advanced Settings Dialog BOX ooo ieee eeeeseeneceseeseeesecseenseeseeeaes 5 8 Figure 5 5 AT Serial Board Installation ec ceeeeseeseceeeeecneeeaeeneeeseseenaes 5 11 Figure 5 6 Device Manager Ports List for AT Serial Board Correctly Installed iscscctse 223 ecicestistioesae oceania hile eat 5 13 Figure 5 7 Port Settings Tab occ mennie aaisen 5 16 Figure 5 8 Advanced Port Settings Dialog Box eee eseeeeseeneeeseeseeeeeeneenees 5 17 Figure 5 9 AT Serial Board Installation eee ee ceeeeeeseeseeeseeseeeaeseeeeseeneenaes 5 20 Figure 5 10 niports Configuration Utility 0 cece eseeseeeeeseeeaeeneeneeeseenseeaes 5 22 Figure 5 11 General Port Settings Dialog BOX o oo ec eeeee
69. Select Start Settings Control Panel and double click on the System icon 2 Select the Hardware tab and click on the Device Manager button Double click on the Multi function adapters icon 4 From the Multi function adapters list right click on the National Instruments interface that you want to uninstall as shown in Figure C 1 8 Device Manager p l0l x ation vew e gt am Sgalag FA Mice and other pointing devices 3 Monitors lt Y Multifunction adapters N I PCI 232 8 Multi Function Parent ROZI PCI 485 4 Isolated Multi Function Parent EF Network adapters Disable oy Ports COM amp LPT Communications Port COM3 Scan for hardware changes F N I PCI 232 8 Communications Port 1 COM36 F N I PCI 232 8 Communications Port 2 COM3 F N I PCI 232 8 Communications Port 3 COM33 a7 N I PCI 232 8 Communications Port 4 COM32 a7 N I PCI 232 8 Communications Port 5 COM11 a7 N I PCI 232 8 Communications Port 6 COM10 a N I PCI 232 8 Communications Port 7 COM a7 M I PCI 232 8 Communications Port 8 COMS 7 N I PCI 485 4 Isolated Communications Port 1 COM159 a7 N I PCI 485 4 Isolated Communications Port 2 COM158 7 M I PCI 485 4 Isolated Communications Port 3 COM157 a7 N I PCI 485 4 Isolated Communications Port 4 COM156 I Printer Port LPT1 fi Sound video and game controllers a System devices F F Properties
70. Serial Serial Hardware and Software for Windows User Manual PCI PXI PCMCIA and AT Serial Hardware Qr NATIONAL December 2000 Edition gt INSTRUMENTS Part Number 322983A 01 Worldwide Technical Support and Product Information ni com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 794 0100 Worldwide Offices Australia 03 9879 5166 Austria 0662 45 79 90 0 Belgium 02 757 00 20 Brazil 011 284 5011 Canada Calgary 403 274 9391 Canada Ottawa 613 233 5949 Canada Qu bec 514 694 8521 China Shanghai 021 6555 7838 China ShenZhen 0755 3904939 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico 5 280 7625 Netherlands 0348 433466 New Zealand 09 914 0488 Norway 32 27 73 00 Poland 0 22 528 94 06 Portugal 351 1 726 9011 Singapore 2265886 Spain 91 640 0085 Sweden 08 587 895 00 Switzerland 056 200 51 51 Taiwan 02 2528 7227 United Kingdom 01635 523545 For further support information see the Technical Support Resources appendix To comment on the documentation send e mail to techpubs ni com Copyright 1997 2000 National Instruments Corporation All rights reserved Important Information Warranty The serial hardware is warranted against defects in materials a
71. Verification and Configuration Uninstall the Hardware Before you physically remove the serial hardware from your system you must remove the hardware information To do so complete the following steps 1 Login as Administrator or as a user who has Administrator privileges 2 Select Start Settings Control Panel and double click on the niports icon 3 From the Ports list select the port of the board you want to uninstall as shown in Figure C 3 National Instruments Ports xi Ports COM NI PCI 2327 4 COMS N I PCI 232 4 En COMS N I PCI 232 4 COMB N I PCI 232 4 Settings g Delete Add a New PCMCIA card l PCMCIA 485 iy Add Figure C 3 Selecting an Interface to Uninstall National Instruments Corporation C 5 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and Software 4 Click on the Delete button 5 Repeat steps 3 and 4 until you have removed every PCI serial port that you want to uninstall Uninstall the Software Before you uninstall the NI Serial software you must remove the hardware information from your system as described in the previous section To uninstall the NI Serial software complete the following steps 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears This dialog box lists the software that you can uninstall 3 Select
72. about Microsoft Windows serial communication functions refer to the Win32 Software Development Kit and to the Win32 Overviews and Win32 Reference online help If you have LabVIEW or Measurement Studio and want to use it with your serial hardware refer to your LabVIEW or Measurement Studio documentation for information about serial I O functions Advanced Transceiver Control for the PCI PXI PCMCIA AT 485 Boards 3 Note Transceiver modes apply only to the PCI PXI PCMCIA AT 485 boards The RS 485 boards support four modes of hardware transceiver control You can use hardware flow control to enable and disable your transmitters and receivers so that they function on different bus topologies Table 6 1 lists the status of the transmitters and receivers under each of the transceiver control modes National Instruments Corporation 6 1 Serial Hardware and Software for Windows Using Your Serial Hardware Table 6 1 Transceiver Control Modes Mode Transmitter Receiver Four wire mode Always enabled Always enabled Two wire mode Enabled with Always enabled DTR with echo DTR unasserted Two wire mode Enabled with Enabled with DTR controlled DTR unasserted DTR asserted Two wire mode Enabled with Enabled with TXRDY auto control TXRDY asserted TXRDY unasserted 3 Note Signal names with an overscore such as DTR indicate that the signal is active low Four Wire Mode Use the four wire mode for most f
73. ager Hardware Profiles Performance View devices by type View devices by connection Hard disk controllers 3 Keyboard Modem Monitor Mouse gt Multi on adapters 2 4 Ports Multi function Parent 9 Network adapters E Other devices PCMCIA socket Y Ports COM amp LPT J Communications Port COM1 j PXI 8422 Isolated RS 232 4 Ports COM5 F PxI 8422 Isolated RS 232 4 Ports COMB F PXI 8422 Isolated RS 232 4 Ports COM F a 8422 Isolated RS 232 4 Ports COM8 zi ao AA r CE Ee mre een Pa Properties Te Remove Print omes Figure C 5 Selecting an Interface to Uninstall Click on the Remove button In the Confirm Device Removal dialog box click on the OK button to remove the hardware information or click on the Cancel button to cancel your request Uninstall the Software Before you uninstall the NI Serial software you must remove the hardware information from your system as described in the previous section To uninstall the NI Serial software complete the following steps 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears This dialog box lists the software that you can uninstall National Instruments Corporation C 9 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and S
74. al Hardware and Software for Windows 5 20 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration 7 Windows NT displays one or more New Hardware Found dialog boxes depending on your serial hardware In each dialog box make sure that Windows Default Driver is selected and click on OK 8 The serial configuration software displays a PnP Port Configuration dialog box Select a nonconflicting base I O address and IRQ setting for the port card and click on OK For more information on selecting resources for your post card refer to the Resource Settings section 9 After you have selected the resources for all ports choose to restart the computer when the system prompts you The serial hardware installation is now complete Verify the Installation Determine Which Physical Port Is Associated with COMx Select Start Settings Control Panel and double click on niports A list showing installed National Instruments ports with their logical COMx names appears If your interface is not on the list refer to Appendix D Troubleshooting and Common Questions Select the COM port you want and click on the Settings button to display the General Port Settings dialog box for that port This dialog box displays the serial number of the serial hardware and the physical port number starting at 1 On all serial hardware PORT refers to the top port PORT2 refers to the next port down and so on When you have finished ver
75. al board complete the following steps 1 Turn off your computer Keep the computer plugged in so that it remains grounded while you install the PCI serial board Remove the top or side cover of the computer Find an unused PCI expansion slot in your computer Remove the corresponding expansion slot cover on the back panel of the computer Touch a metal part on your chassis to discharge any static electricity Insert the PCI serial board into the slot with the serial connectors toward the opening on the back panel Make sure that you insert the board all the way into the slot The board might seem to click firmly into place even though it is only part of the way in Figure 2 9 shows how to install the PCI serial board into an expansion slot PC 2 PCI Serial Board 3 PCI Slot National Instruments Corporation Figure 2 9 Installing the PCI Serial Board 2 19 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration 7 Screw the PCI serial board mounting bracket to the back panel mounting rail of the computer 8 Replace the cover 9 Turn on your computer and start Windows NT The hardware installation is complete Continue to the next section Verify the Installation Verify the Installation To verify the hardware and software installation complete the following steps 1 Determine which physical port is associated with COMx
76. an Union Compliance to EEC Directives Readers in the EU EEC EEA must refer to the Manufacturer s Declaration of Conformity DoC for information pertaining to the CE Mark compliance scheme The Manufacturer includes a DoC for most every hardware product except for those bought for OEMs if also available from an original manufacturer that also markets in the EU or where compliance is not required as for electrically benign apparatus or cables Certain exemptions may apply in the USA see FCC Rules 15 103 Exempted devices and 15 105 c Also available in sections of CFR 47 The CE Mark Declaration of Conformity will contain important supplementary information and instructions for the user or installer Contents About This Manual GONVEMEI OTS 35255 os sh a seve E N E E E E xiii Related Doc me ntationi sas ienn na a R E a a xiv Chapter 1 Introduction H w to UseFhis Manyal ngarso o nen a da cag betes a den V ee Bases Tea 1 1 What You Need to Get Started cccccccccccccssscccccesssseeeeccessssceeecessnseeeceesesseeceesesseeeeeess 1 2 Optional Equipment si enoii a R lal a EE E EEE E aes 1 3 Serial Hardware Overview ccccccssssccccessssececccessscececesssseeeccesssaeeeccesesseeeceeesssseeseeeeeaee 1 3 POV Kits iis telsaireteedenld bd a a tesa he a o a a eet Metis 1 3 PCL Kat SEEE E E E AEEA EAE TTE Manes 1 4 PEMCIA Kit Ss oconecdcasiic ech ectevsovebss bias cnhcviovince seed seas igbaventh vests iooeiedbnreteerveam
77. and verification chapter for your hardware platform c Inthe General Port Settings dialog box click on the Resources button to view the resources for the port d Check the hardware resources If they are in conflict refer to the previous section Resolving Resource Conflicts 2 Make sure that the National Instruments serial driver is installed as follows a Locate the serial sys file in the WinNT system32 drivers directory b Ifthe serial sys file is missing reinstall the hardware and software For instructions on how to do so refer to the installation and verification chapter for your hardware platform Right click on the serial sys file and select Properties d Click on the Version tab If the Company Name is Microsoft the National Instruments serial driver is not installed properly To solve this problem reinstall the NI Serial software For instructions on how to do so refer to the installation and verification chapter for your hardware platform Serial Hardware and Software for Windows D 20 ni com Appendix D Troubleshooting and Common Questions Diagnostic Utility Does Not Show All Installed Ports If the diagnostic utility does not show all the ports you installed complete the following steps 1 Verify the hardware resources as follows a Select Start Settings Control Panel and double click on the niports icon b In the Ports list select a port and click on the Settings button If the serial
78. ange the resources of ports on shared IRQ AT boards from within the Device Manager you must open the Multi function adapters class and double click on the name of your interface Use the Resources page to change the resources Any resource changes are automatically reflected to the child devices National Instruments Corporation D 7 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions Uncheck the Use automatic settings checkbox and click on the Change Setting button If the system does not allow you to change the settings select the configuration that gives you a conflict free base address and interrupt level from the Setting based on list box Click on the OK button to save your changes PCMCIA Boards When the Device Manager indicates a conflict with another device you can usually correct the problem by manually selecting conflict free resources To do so complete the following steps 1 Select Start Settings Control Panel and double click on the System icon Click on the Device Manager tab and click on the View devices by type button Double click on the Multi function adapters icon From the Multi function adapters list double click on the serial interface that you want to change Click on the Resources tab 3 Note To change the resources of ports on two port or four port PCMCIA cards from within the Device Manager you must open the Multi function adapters class and double
79. ards to up to 31 devices using serial cable lengths up to 4 000 ft Additionally the PXI serial boards are available in a two port version a four port version an eight port version PXI 8420 and PXI 8421 only and a 16 port version PXI 8420 only The two port versions use DB 9 connectors The four port versions use 10 position modular jacks to provide all four connections on a single front panel Optional cable accessories convert the 10 position modular jacks to either DB 9 or DB 25 connectors with standard pinouts The eight port versions use two different adapter cables to convert the 68 pin connector on the board to eight DB 9 connectors The 16 port version uses a breakout box to convert the 100 pin connector on the board to sixteen DB 9 connectors Throughout this manual PXI serial boards refers to all versions of the PXI serial boards Serial Hardware and Software for Windows 1 4 ni com Chapter 1 Introduction The isolated PXI boards are designed for applications in harsh environments Isolated ports provide reliable communication in situations involving ground loops from different ground levels or high common mode voltage induced on the lines in noisy environments Non isolated ports may not provide reliable communication in those situations The isolation between each communication port and the host PC ensures the safe operation of the PC and the devices connected to other ports on the same board in case of accidental high voltages
80. are for Windows Appendix B Serial Port Information Figure B 4 shows a transmission line using bias resistors 5 620 Bias Resistor 100 Termination Resistor 620 Bias Resistor Figure B 4 Transmission Line Using Bias Resistors On the PCI RS 485 2 and 4 port serial cards there are four user configurable bias resistors in front of each connector These resistors are socketed and pre loaded with 620 Q resistors They are connected to the receive signals of each port to maintain a known state when the bus is idle The connections are made as follows e RXD and CTS are pulled up to VCC e RXD and CTS are pulled down to GND Rather than using two 620 Q resistors at one node you can increase the value of the resistors and put them at every node For instance if there are eight nodes in a system you can use 4 7 kQ resistors at each node to effectively achieve the same result Serial Hardware and Software for Windows B 6 ni com Appendix B Serial Port Information DTE vs DCE In the RS 232 specification DTE Data Terminal Equipment and DCE Data Communications Equipment refer to the types of equipment on either end of a serial connection In general DTE and DCE refer to computer equipment and modems respectively Because the RS 232 specification mainly involves connecting a DTE directly to a DCE and vice versa the pinouts are defined so that cabling is simple That is a cable connected a co
81. are for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration Install the Hardware If your hardware is already installed restart Windows Me 9x Windows Me 9x should automatically detect your hardware and display one or more New Hardware Found dialog boxes Your operating system Windows Me 9x may show the Windows Default Driver option If so make sure the Windows Default Driver is selected and click on the OK button If the Windows Default Driver option is not shown the installation continues automatically When you finish continue to the Verify the Installation section If no New Hardware Found dialog box appears refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions B Note Ifyou are installing a PCI 485 you might need to adjust the value of the bias resistors depending on your application Bias resistors are not available on the eight port PCI 485 For more information refer to Appendix B Serial Port Information UN Caution Before you remove your board from the package touch the antistatic plastic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on your serial board To install your PCI serial board complete the following steps 1 Turn off your computer Keep the computer plugged in so that it remains grounded while you install the PCI serial board Remove the
82. are for Windows Contents Figure C 4 Figure C 5 Figure C 6 Figure C 7 Figure C 8 Figure C 9 Figure C 10 Figure C 11 Figure C 12 Figure D 1 Figure D 2 Figure D 3 Figure D 4 Tables Table 1 1 Table 6 1 Table 6 2 Table 6 3 Table A 1 Table A 2 Table A 3 Table A 4 Table A 5 Table B 1 Table D 1 Selecting an Interface to Uninstall cece eeeeeseeseeeeeeeeeseeaes C 7 Selecting an Interface to Uninstall eee cece eeeeeseeseeeeeneeneeeaes C 9 Selecting an Interface to Uninstall eee eeseeseeeeeneeeeeeeneeeaes C 10 Selecting an Interface to Uninstall cece eseeseceeereeeeeseeeeeeaes C 12 Selecting an Interface to Uninstall eee eseeseeeeeereeeeeeseeneeaes C 14 Selecting an Interface to Uninstall eee eee ese eseeeeeneeneteeeeeeaes C 16 Selecting an Interface to Uninstall ee eee eeeeeseeseeeeensenseeees C 17 Selecting an Interface to Uninstall eee cece eeeeereeseeeeesensetees C 19 Selecting an Interface to Uninstall eee cece eeeeeeeeeeeseeneeneeeaes C 21 Selecting an Interface to Uninstall eee eee eeecesecseeeseeseenseeaes D 2 Ports List in Device Manager esceesccesseceseeeseeteneeeceeseeceaeeeneeeeaees D 12 Ports List in Device Manager o0 ee eee eeeesececceseceeeesecseeeaeessesseeneenes D 14 Multi Function Adapter Class in the Device Manager eee D 17 PXI Board Names and Descriptions 00 0 eects eseeeeeeeeeeeeeeeeaees 1 5 Transceiver Control Modes cece e
83. are for Windows 5 18 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration Install the NI Serial Software Install the NI Serial software for Windows NT before you install the hardware Make sure that you have already installed the PnP ISA Enabler driver as described in the previous section 1 Log on as Administrator or as a user who has Administrator privileges 2 Select Start Settings Control Panel 3 Double click on the Add Remove Programs icon in the Control Panel to launch the Add Remove Programs applet The Add Remove Programs dialog box appears 4 Click on the Install button When prompted insert the N Serial Software for Windows 2000 NT Me 9x CD and click on the Next button to proceed The software installation wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software You can go back and change values where appropriate by clicking on the Back button You can exit the setup where appropriate by clicking on the Cancel button 3 Note This installation backs up the Microsoft Windows NT serial driver serial sys to serial bak and then overwrites serial sys You can find serial sys in the Windows NT system32 drivers directory The software installation is complete Proceed to the next section Install the Serial Hardware Install the Serial Hardware This section describes how to install your AT serial board 3 Note Ifyou are ins
84. ated into the Windows NT Control Panel You can use it to view or change the configuration of your serial ports To configure a serial port complete the following steps 1 Select Start Settings Control Panel and double click on the niports icon A list of installed National Instruments ports appears as shown in Figure 3 10 National Instruments Ports PXI 8422 Isolated RS 232 4 Ports PXI 8422 Isolated RS 232 4 Ports gt Px 8422 Isolated RS 232 4 Ports COM8 PXI gt Isolated RS 232 4 Ports Settings E Delete Add a New PCMCIA card PCMCIA 485 ba Add Figure 3 10 niports Configuration Utility 2 Select the port that you want to configure and refer to the following instructions Serial Hardware and Software for Windows To remove hardware information about the port from Windows NT click on the Delete button You should do this before you remove your hardware To view or change the port settings click on the Settings button For more information about the settings refer to the next section General Port Settings In the General Port Settings dialog box click on the Resources button to view the resources for the port 3 20 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration General Port Settings The following sections describe the options you can set in the General Port Settings dialog box shown in Figure 3 11 Gene
85. ation Port Settings Tab In the Port Settings tab you can change any of the settings by clicking on the arrow button to the right of a field When you click on the arrow button a list of valid values for that field appears and you can select the desired setting from the list Figure 2 7 shows the Port Settings tab N I PCI 232 4 Communications Port COM7 Properties K Eg Figure 2 7 Port Settings Tab Serial Hardware and Software for Windows 2 16 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration Advanced Port Settings To view or change the advanced port settings click on the Advanced button Figure 2 8 shows the Advanced Port Settings dialog box Advanced Port Settings x Transceiver Mode 4 wire 7 4 wire 2 wire DTR echo 2 wire DTR ct J7 Use FIFO buffers ETIN Cancel Select lower settings to corect connection problems ddi Select higher settings for faster performance Defaults Receive Buffer Low 1 5 _ High 14 Transmit Buffer Low 1 J High 16 Figure 2 8 Advanced Port Settings Dialog Box The following sections describe the advanced port setting options Transceiver Mode This field shows the transceiver mode in use and applies only to PCI 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware Use FIFO Buffers FIFO buffers are present on the 16550 compatible UARTs
86. automation systems At the NI Developer Zone you can easily access the latest example programs system configurators tutorials technical news as well as a community of developers ready to share their own techniques Customer Education National Instruments provides a number of alternatives to satisfy your training needs from self paced tutorials videos and interactive CDs to instructor led hands on courses at locations around the world Visit the Customer Education section of ni com for online course schedules syllabi training centers and class registration System Integration If you have time constraints limited in house technical resources or other dilemmas you may prefer to employ consulting or system integration services You can rely on the expertise available through our worldwide network of Alliance Program members To find out more about our Alliance system integration solutions visit the System Integration section of ni com National Instruments Corporation F 1 Serial Hardware and Software for Windows Appendix F Technical Support Resources Worldwide Support National Instruments has offices located around the world to help address your support needs You can access our branch office Web sites from the Worldwide Offices section of ni com Branch office Web sites provide up to date contact information support phone numbers e mail addresses and current events If you have searched the technical supp
87. ces are assigned to your serial ports c Repeat steps 5a and 5b until you have verified the resources for each board Serial Hardware and Software for Windows 3 12 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration 6 Optional To determine which physical port is associated with COMx complete the following steps a Inthe Device Manager tab under Ports COM amp LPT double click on the serial port COMx b Click on the Port Settings tab to display the serial number of the serial hardware and the physical port number starting at 1 For all serial hardware PORT refers to the top port PORT2 refers to the next port down and so on 7 Run the diagnostic utility as follows select Start Programs National Instruments Serial diagnostics The diagnostic utility verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly If the test is successful your serial hardware and software are installed properly If the test fails refer to Appendix D Troubleshooting and Common Questions to troubleshoot the problem 8 After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Settings The serial configuration ut
88. ces have not been assigned to any other device This utility displays a list of I O port addresses and IRQ levels that are currently being used in your system National Instruments Corporation 4 23 Serial Hardware and Software for Windows AT Serial Hardware Installation Verification and Configuration This chapter describes how to install the NI Serial software and AT serial hardware and how to verify the installation It also describes how to view or change the communication port settings To begin your installation see the section of this chapter containing instructions for your operating system Windows 2000 Windows Me 9x or Windows NT Windows 2000 Install the Software Before you install your serial hardware complete the following steps to install the NI Serial software for Windows 2000 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs appears 3 Click on the Add New Programs button and then the CD or Floppy button 4 When prompted insert the N Serial Software for Windows 2000 NT Me 9x CD and click on the Next button 5 When prompted click on the Finish button to install the program files from the CD 6 The setup wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software To exit the setup wizard at any time click on the Cancel button 7 Ifyou need to install your hardware or if this
89. ction 28 Keyboard Modem Monitor A Mouse lt Multifunction adapters gt N I PCI 232 4 Multi function Parent BY Network adapters a Other devices PCMCIA socket oy Ports COM amp LPT pe Y Communications Port COM1 F N I PCI 232 4 Communications Port COM10 F N I PCI 232 4 Communications Port COM oY N I PCI 232 4 Communications Port COM8 F N I PCI 232 4 Communications Port COM9 oy Printer Port LPT2 O a a oe le ee ey e Properties Refresh Remove Print z F F 1 0 E Figure D 2 Ports List in Device Manager Click on the Remove button Click on the OK button to remove the serial hardware information Repeat steps 5 through 7 until you have removed all serial interfaces Click on the Refresh button Windows Me 9x should automatically detect your hardware and display one or more New Hardware Found dialog boxes Your operating system Windows Me 9x may show the Windows Default Driver option If so make sure the Windows Default Driver is selected and click on the OK button If the Windows Default Driver option is not shown the installation continues automatically D 12 ni com Appendix D Troubleshooting and Common Questions AT and PCMCIA Hardware If Windows does not detect your serial hardware correctly or you have been using your serial hardware with the default Windows Me 9x serial driver or an older version of the NI Serial sof
90. ction in Appendix D Troubleshooting and Common Questions The serial hardware installation is complete Continue to the next section Verify the Installation National Instruments Corporation 2 11 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration Verify the Installation Before you verify the installation keep in mind that the serial ports built into your computer are typically named from COM1 to COM4 Windows Me 9x typically issues port names to the ports on NI serial hardware starting with COM5 COM6 and so on If not enough resources are available to assign to all the NI serial ports the port with the higher COM lt x name is not configured To verify the hardware and software installation complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Device Manager tab and click on the View devices by type button 3 Double click on the Ports COM amp LPT icon to display all of the ports 4 Double click on the Multi function adapters icon The PCI serial boards are configured as devices belonging to the multi function adapters class The multi function parent device is listed under the Multi function adapters icon and each child device is listed as a port under the Ports COM amp LPT icon Serial Hardware and Software for Windows 2 12 ni com Chapter 2 PCI Serial Hardware Installati
91. d settings options Transceiver Mode This field shows the transceiver mode in use and applies only to RS 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware Use FIFO Buffers FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver The Receive Buffer control sets the number of characters received in the FIFO before the PC is interrupted to read the data The Transmit Buffer control sets the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data When you configure FIFO settings consider the following points e You can select larger FIFO buffer sizes to reduce the number of interrupts your PC receives and therefore minimize system overhead e If transfer rates are high you can lower the Receive Buffer value to prevent overrun errors due to interrupt latency e If your data transfer sizes are small and your Receive Buffer value is above your data sizes your system is less efficient Therefore set the Receive Buffer value below your data sizes Serial Hardware and Software for Windows 3 16 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration Restore Defaults To reset the fields to their default values at any time click on the Restore Defaults button Windows NT Install the Software Before you install your serial hardware complete the
92. de selection shows the transceiver mode in use and applies only to AT 485 boards Refer to Chapter 6 Using Your Serial Hardware for more information about transceiver modes If you use two wire TXRDY mode FIFOs must be enabled National Instruments Corporation 5 23 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration FIFO Enabled You can use the FIFO Enabled control to enable or disable the FIFO buffers on the serial port FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver FIFO Buffer Size FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver The receiver FIFO trigger denotes the number of characters received in the FIFO before the PC is interrupted to read the data The transmit FIFO trigger denotes the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data Consider the following points when selecting FIFO settings e You can select larger FIFO settings to reduce the number of interrupts and therefore minimize system overhead e Iftransfer rates are high you can lower receive FIFO settings to reduce the number of interrupts and therefore prevent overrun errors due to interrupt latency e If data transfer sizes are small selecting receive FIFO settings just above data sizes can reduce efficiency so select
93. e Add New Programs button and then the CD or Floppy button When prompted insert the N Serial Software for Windows 2000 NT Me 9x CD and click on the Next button When prompted click on the Finish button to install the program files from the CD The setup wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software To exit the setup wizard at any time click on the Cancel button If you need to install your hardware or if this is your first time to install the NI Serial software for Windows 2000 skip to the next section Install the Hardware Otherwise continue to step 8 If your hardware is already installed restart Windows 2000 3 1 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configuration Install the Hardware Windows 2000 should automatically detect your hardware and display the Found New Hardware Wizard Complete the wizard by clicking Next in each window and then Finish When you complete the wizard continue to the Verify the Installation section If the Found New Hardware Wizard does not appear refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions UN Caution Before you remove your board from the package touch the antistatic plastic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on you
94. e PC is interrupted to read the data The transmit FIFO trigger denotes the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data Consider the following points when selecting FIFO settings e You can select larger FIFO settings to reduce the number of interrupts and therefore minimize system overhead e If transfer rates are high you can lower receive FIFO settings to prevent overrun errors due to interrupt latency e If data transfer sizes are small selecting receive FIFO settings just above data sizes can reduce efficiency so select lower settings 3 Note Ifyou want your serial hardware ports to use the names COM1 COM2 COM3 or COM4 refer to the Common Questions section of Appendix D Troubleshooting and Common Questions Windows NT Installing the Microsoft PnP ISA Enabler Driver When you install an AT board you must install the PnP ISA Enabler Driver The AT serial hardware is Plug and Play Windows NT 4 0 does not support Plug and Play In order for Windows NT to detect and install the Plug and Play hardware you must install the PnP ISA Enabler driver included on your Windows NT 4 0 CD ROM Complete the following steps to install the driver 1 Locate the Pnpisa inf file in the Drvlib Pnpisa x86 folder on the Windows NT 4 0 CD ROM 2 Right click on the Pnpisa inf file then select Install on the menu that appears 3 Restart the computer Serial Hardware and Softw
95. e to holders of this edition The reader should consult National Instruments if errors are suspected In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it EXCEPT AS SPECIFIED HEREIN NATIONAL INSTRUMENTS MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within one year after the cause of action accrues National Instruments shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow the National Instruments installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or
96. ed insert the N Serial Software for Windows 2000 NT Me 9x CD and click on the Next button 5 When prompted click on the Finish button to install the program files from the CD 6 The setup wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software To exit the setup wizard at any time click on the Cancel button 7 Tfyouneed to install your hardware or if this is your first time to install the NI Serial software for Windows 2000 skip to the next section Install the Hardware Otherwise continue to step 8 National Instruments Corporation 4 1 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration 8 Windows 2000 should automatically detect your hardware and display the Found New Hardware Wizard Complete the wizard by clicking Next in each window and then Finish When you complete the wizard continue to the Verify the Installation section If the Found New Hardware Wizard does not appear refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions Install the Hardware To install the PCMCIA 232 or PCMCIA 485 in your computer first start Windows 2000 If the card is not already inserted insert it into a free PC Card PCMCIA socket the same way you insert a disk into a floppy drive The card has no jumpers or switches to set and you do not need to shut down the sy
97. eeessessceeeeeeeeeseeeseeseesseeaseseeeatens 6 2 Transceiver Mode Control Bytes 0 cece seeeeeseeeeseeeeeseeaeeneeeaeens 6 4 DeviceloControl Function Input Values 0 eee eeeseeneeeeeeeeeee 6 5 DB 9 Pin Descriptions scosi espoossa A 2 10 Position Modular Jack Pin Descriptions eeesseeeeeseeereerereerseresee A 3 DB 25 Pin Descriptions nenraner neeaaea e A 4 68 Pin Connector Pin Descriptions eesseessssresssrsrrsrssrsrrsrsresrerrsreer A 7 100 Pin Connector Pin Descriptions 0 0 00 elec eeeeseeseceeeeseeneeeseenes A 9 RS 232 RS 422 and RS 485 Features ccccccceceesesssesssssessseeeees B 1 Standard DOS Based Addresses eee eceeeeseeseeeseeseeeeeeseeeeeseeneenaes D 15 Serial Hardware and Software for Windows xii ni com About This Manual Conventions This manual contains instructions to help you install and configure the National Instruments serial hardware and the NI Serial software for Windows 2000 NT Me 9x This manual includes information about the following serial hardware e PCI 232 2 PCI 232 4 PCI 232 8 PCI 232 16 PCI 485 2 PCI 485 4 and PCI 485 8 boards in both isolated and nonisolated versions e PXI 8420 two four eight and 16 port PXI 8421 two four and eight port PXI 8422 two and four port and PXI 8423 two and four port e PCMCIA 232 PCMCIA 232 2 PCMCIA 232 4 PCMCIA 485 and PCMCIA 485 2 e AT 232 2 AT 232 4 AT 485 2 and AT 485 4 boards in both isolated and
98. efer to Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Uninstall the Hardware Before physically removing the serial hardware you must remove the hardware information from the Windows Me 9x Device Manager Follow these steps to uninstall the hardware 1 Double click on the System icon under Start Settings Control Panel The System Properties dialog box appears 2 Select the Device Manager tab Click on the View devices by type button 4 Double click on the Ports COM amp LPT icon National Instruments Corporation C 13 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and Software 5 Select the National Instruments port to remove from the list of ports as shown in Figure C 8 System Properties 21x General Device Manager Hardware Profiles Performance View devices by type View devices by connection H E Keyboard Modem Monitor 42 Mouse EQ Multifunction adapters gt N I POMCIA 232 4 Multi function Parent Network adapters Other devices PCMCIA socket A Ports COM amp LPT Communications Port COM1 F N I PEMCIA 232 4 Communications Port COMS N I PCMCIA 232 4 Communications Port COMB F N I PCMCIA 232 4 Communications Port COM F N I POMCIA 232 4 Communications Port COM8 a Printer Port LPT2 TN EON OAE PE ERE e A operties Refresh Remove E 1 H
99. emove all serial port information from the Windows NT Control Panel as described in the previous section You do not need to shut down Windows NT before uninstalling the software Complete the following steps to remove the NI Serial software 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon in the Control Panel to launch the Add Remove Programs applet The Add Remove Programs Properties dialog box appears This dialog box lists the software available for removal 3 Select the serial software you want to remove and click on the Add Remove button The uninstall program runs and removes all folders utilities and registry entries associated with the NI Serial software 4 Shut down Windows NT power off your computer and remove your serial interfaces To reinstall the hardware and software refer to Chapter 5 AT Serial Hardware Installation Verification and Configuration National Instruments Corporation C 21 Serial Hardware and Software for Windows Troubleshooting and Common Questions This appendix describes how to troubleshoot problems and answers some common questions To find the information you are looking for see the section of this appendix for your operating system Windows 2000 Forcing Windows to Detect Your Hardware eee D 2 Troubleshooting Diagnostic Messages eee D 3 COMMON QUESTIONS eescceseseceesseeessteceseeeeeseeeestaeeesaees D
100. eneiese 1 6 AD Kit Sea thc esticctats Bac os aes A ee a na ie 1 6 Nie Serial Software OVervie Weis lt csscesiescsevee ces obs odes ueaeutisaodes ovadesnes Qoviaasa sed Ae aeiae 1 8 Time Saving Development Tools eee eee eseesceseeseeeseseeeesecseeeseceessecseeeaecasenseeaeenaes 1 8 Chapter 2 PCI Serial Hardware Installation Verification and Configuration Windows 2000 inneni aaeeea aer gender EEEE cuistcceaccaeas beats E E E EEA 2 1 Install the Softwares scv sieei nra a caves A T E 2 1 Install the Hard Wate scsccevstens scoscacexstinvevetized i e EEEE NS 2 2 Verify the Installations econ eronsa R RER aR rat 2 4 Configure Communication Port Settings eeeessesesseeesesrereereersrrsrsresrsresresrseee 2 5 Windows MEI Xiria i i EE ERE E E O TAT a tens 2 9 Install the Software neira E T a NS 2 9 Install the H rd Warena i aaa e a naa a E as 2 10 Verify the Mstallationrenie niana E ids Gea ee AE i 2 12 Configure Communication Port Settings eseesseeesseeeseersreersersrrsrsrrsrsresreresees 2 14 Windows Noeren etea herve E R A Aoa E E e a o EEEa 2 18 Install the SoftWare eeo Aaa A e EEAS aE as PASTER 2 18 Install the Hard Ware ac iiini aE E ERE 2 18 Verify the Installatiot sansun in iia 2 20 Configure Communication Port Settings esesseeesseeesesrsreersrrsresrsresrsresrrsrsees 2 21 National Instruments Corporation vil Serial Hardware and Software for Windows Contents Chapter 3 PXI Serial Hardware Installation
101. er to give them access to the bus In a typical full duplex system one transmission line connects the bus master transmitter to all of the slave receivers A second transmission line connects all of the slave transmitters to the bus master receiver Because each transmission line has two separate wires a full duplex system is often referred to as a four wire system Figure B 1 shows a typical full duplex system National Instruments Corporation B 3 Serial Hardware and Software for Windows Appendix B Serial Port Information Slave 1 Slave 2 Slave n Rx Rx Rx MASTER a Figure B 1 Typical Full Duplex System Half Duplex A typical half duplex multidrop bus architecture also involves a master slave protocol However in a half duplex system all transmitters and receivers are connected to the same transmission line A half duplex system is often referred to as a two wire system Figure B 2 shows a typical half duplex system MASTER Figure B 2 Typical Half Duplex System Serial Hardware and Software for Windows B 4 ni com Termination Appendix B Serial Port Information Because each differential pair of wires is a transmission line you must properly terminate the line to prevent reflections A common method of terminating a two wire multidrop RS 485 network is to install terminating resistors at each end of the multidrop
102. es les exigences du R glement sur le mat riel brouilleur du Canada Class B Federal Communications Commission This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Europe
103. eseeseeeeeeeeeseeneeneeeaes 5 23 Figure 5 12 PnP Port Configuration Dialog Box for the AT 232 4 ee 5 25 Figure A 1 DB 9 Connector Pin Locations 00 eee ees eeeeseeeeeeseeeenseeeenseeseeeaes A 2 Figure A 2 10 Position Modular Jack Pin Locations eee eceeeeseeseceeeeeeneeees A 3 Figure A 3 DB 25 Connector Pin Locations 0 ec ceeceeeeseeseeeeeeeeseeeaecesenseeseenaes A 4 Figure A 4 Connecting the Cables to Your Four Port PCI Serial Board A 5 Figure A 5 68 Pin Connector Pin Locations cece ee ceeeseeseeeeeeeeeeeseeneeeseesenaes A 6 Figure A 6 100 Pin Connector Pin Locations eee eeeeseeeeeseeseeeeeeeeeesseenseeaes A 8 Figure B 1 Typical Full Duplex System 0 eee eeeeseceeceseeeeeeaeeaeeneeeneenaes B 4 Figure B 2 Typical Half Duplex System eee eee eseceeeeseeeeeseeaeenseeneenaes B 4 Figure B 3 Multidrop Network Using Terminating Resistors eee B 5 Figure B 4 Transmission Line Using Bias Resistors eee eseeeeseeseeeteeeeeees B 6 Figure B 5 Straight Through Cabling in a DTE to DCE Interface B 7 Figure B 6 Null Modem Cabling in a DTE to DTE Interface B 7 Figure C 1 Selecting an Interface to Uninstall 0 0 eee eee eeeeseeseeeeeeeeeeeeeeees C 2 Figure C 2 Selecting an Interface to Uninstall o oo ee ceeeeeseeseeeeeneeeeeeeeees C 4 Figure C 3 Selecting an Interface to Uninstall o oo eee eeeeseeseeeeeneeeeeeeenaes C 5 National Instruments Corporation xi Serial Hardware and Softw
104. esrrsrsrrsrsresrrsrsene 5 14 Windows A R E R E a ETA AON EEEE a 5 18 Installing the Microsoft PnP ISA Enabler Driver eeeseeesseeseesreeesrsrsreerse 5 18 Install the NI Serial Software ceeeeseescecsneceeeeeseeceseeenessaeceeeesaeseaeeeneeesaee 5 19 Install the Serial Hardwate eccescsescecescessceceeceeseeceseeeaeeeaeceaeeeeecsaeeeeeesaes 5 19 Verify the Installation isiin kiisi se scneasseeestedigeagedineasea 5 21 Configure Communication Port Settings eseseseesseeeseersreersersrrsrsrrsrsresreseeees 5 22 Chapter 6 Using Your Serial Hardware General Programming Requirements eee eeeeseeseceseceeeeseeseeeseeseensecaeensesaeensesseenaes 6 1 Advanced Transceiver Control for the PCI PXI PCMCIA AT 485 Boards 4 6 1 Fours Wire Moden tienen e E A Ea an 6 2 Two Wire Mode DTR with Echo ssssssisssessisssessissstssrissrrssressresrissrrssressne 6 2 Two Wire Mode DTR Controlled c ccccccsccssssssssesesessessscsessesescsteesessscseneaes 6 2 Two Wire Mode TXRDY Auto Control e cee ceeccceseeeseeeneceneeeeneseaeeeneeeeaee 6 3 Setting the Transceiver Control Mode oe eceeeeseeseeeeeeceeeeaeeeeesaeeseees 6 3 Setting the Transceiver Mode with DeviceloControl ee eee eeeeeeeeees 6 4 Appendix A Connector Descriptions Appendix B Serial Port Information Appendix C Uninstalling the Hardware and Software National Instruments Corporation ix Serial Hardware and Software for Windows Con
105. essages section earlier in this appendix How can I determine which port is associated with COMx To determine which physical port is associated with COMx complete the following steps 1 Inthe Device Manager tab under Ports COM amp LPT double click on a serial port 2 Click on the Port Settings tab to display the serial number of the serial hardware and the physical port number starting at 1 For all serial hardware PORT refers to the top port PORT refers to the next port down and so on How can I change the COM numbers of my National Instruments serial ports To name serial ports COM1 COM2 COM3 or COM4 change the base address of the port To do so refer to the Troubleshooting Diagnostic Messages section earlier in this appendix When you change the base address Windows Me 9x automatically converts it to the corresponding COM name listed in Table D 1 You do not need to change the IRQ setting for Windows Me 9x to change the name Table D 1 Standard DOS Based Addresses COM Port Base Address COM1 3f8 COM2 28 COM3 3e8 COM4 2e8 National Instruments Corporation D 15 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions How do I change the resources assigned to the serial interface PCI and PXI Boards The PCI and PXI serial boards are configured as devices belonging to the multi function adapters class The multi function parent device
106. f solutions for serial communications The AT 232 boards work with the RS 232 protocols and the AT 485 boards work with the RS 422 and RS 485 protocols You can use the AT 232 hardware for serial communication up to distances of 50 ft You can connect the AT 485 hardware with up to 31 devices using serial cable lengths up to 4 000 ft The AT boards are available in three different versions e Shared IRQ All ports on the board share the same IRQ e Isolated All ports on the board are isolated and share the same IRQ Serial Hardware and Software for Windows 1 6 ni com Chapter 1 Introduction Additionally the AT serial boards are available in a two port version AT 232 2 and AT 485 2 or a four port version AT 232 4 and AT 485 4 The two port versions use DB 9 connectors The four port versions use 10 position modular jacks to provide all four connections on a single back panel Optional cable accessories convert the 10 position modular jacks to either DB 9 or DB 25 connectors with standard pinouts Throughout this manual references to AT serial boards generally refer to all versions of the boards The isolated AT 232 and AT 485 boards are designed for applications in harsh environments Isolated ports provide reliable communication in situations involving ground loops from different ground levels or high common mode voltage induced on the lines in noisy environments The non isolated ports may not provide reliable communication in those s
107. faces work with the RS 232 protocols and the PCMCIA 485 interfaces work with the RS 422 and RS 485 protocols You can use the PCMCIA 232 hardware for serial communication up to distances of 50 ft You can connect the PCMCIA 485 hardware with up to 31 devices using serial cable lengths up to 4 000 ft The PCMCIA 232 is available with one two or four ports The PCMCIA 485 is available in a one port version or two port version All PCMCIA cards come with cables for each port that terminates in a standard DB 9 D Sub connector Throughout this manual references to PCMCIA serial interfaces generally refer to all versions of the interfaces The PCMCIA 485 interfaces support four hardware transceiver control modes for reliable communication with two wire and four wire devices Refer to Chapter 6 Using Your Serial Hardware for more information about transceiver control modes All of the serial hardware uses standard 16550 compatible UARTs Universal Asynchronous Receiver Transmitters for 100 percent compatibility with standard PC COM ports The serial hardware contains FIFOs First In First Out buffers for reduced susceptibility to interrupt latency and faster transmission rates Full Plug and Play compatibility gives you the convenience of switchless configuration and installation Refer to Appendix E Specifications for more information about the serial hardware specifications and operating conditions The serial hardware gives you a variety o
108. folders utilities and registry entries associated with the NI Serial software 4 Shut down Windows 2000 turn off your computer and physically remove the serial interfaces from your system The uninstallation program removes only items that the setup wizard installed If you added anything to a directory that the setup wizard created the uninstallation program does not delete that directory You must remove any remaining components yourself To reinstall the hardware and software refer to Chapter 5 AT Serial Hardware Installation Verification and Configuration Uninstall the Hardware Before physically removing the serial hardware you must remove the hardware information from the Windows Me 9x Device Manager Follow these steps to uninstall the hardware 1 Double click on the System icon under Start Settings Control Panel The System Properties dialog box appears 2 Select the Device Manager tab 3 Click on the View devices by type button 4 Double click on the Ports COM amp LPT icon Serial Hardware and Software for Windows C 18 ni com Appendix C Uninstalling the Hardware and Software 5 Select the National Instruments port to remove from the list of ports as shown in Figure C 11 System Properties 21 x General Device Manager Hardware Profiles Performance View devices by type View devices by connection amp Hard disk controllers E Keyboard m Monitor PB Mouse
109. fore minimize system overhead e If transfer rates are high you can lower the Receive Buffer value to prevent overrun errors due to interrupt latency e If your data transfer sizes are small and your Receive Buffer value is above your data sizes your system is less efficient Therefore set the Receive Buffer value below your data sizes Restore Defaults To reset the fields to their default values at any time click on the Restore Defaults button Windows Me 9x Install the Software Before you install your serial hardware complete the following steps to install the NI Serial software for Windows Me 9x 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears Click on the Install button 4 When prompted insert the N Serial Software for Windows 2000 NT Me 9x CD and click on the Next button 5 When prompted click on the Finish button to install the program files from floppy disks or CD ROM 6 The setup wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software To exit the setup wizard at any time click on the Cancel button 7 Ifyou need to install your hardware or if this is your first time to install the NI Serial software for Windows Me 9x skip to the next section Install the Hardware Otherwise continue to step 8 National Instruments Corporation 2 9 Serial Hardware and Softw
110. from Windows NT You should do this before you physically remove your PCMCIA card 6 Click on Add to configure resources for a new PCMCIA card General Port Settings This section describes the options you can set in the General Port Settings dialog box shown in Figure 4 11 General Port Settings Ea pT N I POMCIA 232 2 Gepe Senel Womber PORT 1 COM Port Number C 7 Tyansceiver Mode E M FIFO Enabled Receive FIFO size i f Low 1 High 14 Transmit FIFO size A Low 1 High 16 Cancel Besources Figure 4 11 General Port Settings Dialog Box COM Port Number You can use the COM Port Number control to change the COMx name of the port selected Transceiver Mode The transceiver mode selection shows the transceiver mode in use and applies only to PCMCIA 485 cards Refer to Chapter 6 Using Your Serial Hardware for more information about transceiver modes If you use two wire TXRDY mode FIFOs must be enabled Serial Hardware and Software for Windows 4 20 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration FIFO Enabled You can use the FIFO Enabled control to enable or disable the FIFO buffers on the serial port FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver FIFO Buffers The FIFO buffer control is available by clicking on the Advanced button on the Port Settings tab FI
111. ground levels or high common mode voltage induced on the lines in noisy environments Non isolated ports may not provide reliable communication in those situations The isolation between each communication port and the host PC ensures the safe operation of the PC and the devices connected to other ports on the same board in case of accidental high voltages on communication lines The PCI 485 boards support four hardware transceiver control modes for reliable communication with two and four wire devices For more information about transceiver control modes refer to Chapter 6 Using Your Serial Hardware All serial hardware uses standard 16550 compatible UARTs Universal Asynchronous Receiver Transmitters for complete compatibility with standard PC COM ports The serial hardware contains FIFOs First In First Out buffers to reduce susceptibility to interrupt latency for faster transmission rates Full Plug and Play compatibility allows switchless configuration and installation For more information about the serial hardware specifications and operating conditions refer to Appendix E Specifications The serial hardware gives you a variety of solutions for serial communication The RS 232 boards PXI 8420 and PXI 8422 work with the RS 232 protocols The RS 485 boards PXI 8421 and PXI 8423 work with the RS 422 and RS 485 protocols You can use the RS 232 boards for serial communication up to distances of 50 ft You can connect the RS 485 bo
112. guration utility select Start Settings Control Panel and double click on the niports icon If your AT serial board is missing from the list follow these steps 1 Make sure the hardware is installed 2 Make sure you have installed the Microsoft PnP ISA Enabler driver niports cannot recognize the AT boards without the Microsoft PnP ISA Enabler driver For more information refer to the nstalling the Microsoft PnP ISA Enabler Driver section of Chapter 5 AT Serial Hardware Installation Verification and Configuration Serial Hardware and Software for Windows D 18 ni com Appendix D Troubleshooting and Common Questions PCMCIA Boards The serial configuration utility niports contains configuration information for serial hardware it is aware of that is installed in your system To start the configuration utility select Start Settings Control Panel and double click on the niports icon If serial ports are missing from this list make sure you selected resources for your PCMCIA card as described in the Select Resources for the PCMCIA Card section in Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Resolving Resource Conflicts Resource conflicts occur when your system contains hardware that is configured to use the same resources as your serial interface The serial driver detects some resource conflicts when it loads When the driver detects conflicts as it loads it records an error message descr
113. ibing the conflict To resolve a resource conflict complete the following steps 1 Select Start Programs Administrative Tools Event Viewer to run the Event Viewer and determine which resource is in conflict 2 Change the resources of the device that caused the conflict To help you select conflict free resources you can use the Windows NT Diagnostics utility This utility displays a list of the T O port addresses interrupt levels and DMA channels that your system is currently using You can assign resources that are not listed by this utility to your device To run the Windows NT Diagnostics utility select Start Programs Administrative Tools Windows NT Diagnostics National Instruments Corporation D 19 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions Troubleshooting Diagnostic Messages This section lists possible error messages returned by the diagnostic utility along with solutions No National Instruments Serial Port Found Ifthe No National Instruments serial port found error message appears complete the following steps 1 Verify the hardware resources as follows a Select Start Settings Control Panel and double click on the niports icon b In the Ports list select a port and click on the Settings button If the serial port is missing from the Ports list reinstall the hardware and software For instructions on how to do so refer to the installation
114. ifying the driver installation and physical port proceed to the next section Run the Diagnostic Test Run the Diagnostic Test To verify and test the installation run the diagnostic program that came with your NI Serial software The diagnostic program verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly To run the test select the diagnostics item under Start Programs National Instruments Serial National Instruments Corporation 5 21 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration If the diagnostic test completes with no failures your serial hardware and software are installed properly If it fails refer to Appendix D Troubleshooting and Common Questions for troubleshooting instructions After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Settings The serial configuration utility is fully integrated with the Windows NT Control Panel You can use it to examine or modify the configuration of the serial port Follow these steps to configure the serial port 1 Select Start Settings Control Panel and double click on the niports icon A list of National In
115. ility is fully integrated into the Windows Me 9x Device Manager You can use it to view or change the configuration of your serial ports To configure a serial port complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Device Manager tab and click on the View devices by type button 3 Double click on the Ports COM amp LPT icon 3 Note Ifyou want your serial ports to use the names COM1 COM2 COM3 or COM4 refer to the Common Questions section of Appendix D Troubleshooting and Common Questions National Instruments Corporation 3 13 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configuration 4 Double click on the port you want to configure and refer to the following instructions e To view the hardware resources assigned to the serial port click on the Resources tab e To view or change the port settings click on the Port Settings tab For more information about the settings refer to the next section Port Settings Tab e To change the RS 485 transceiver mode or to enable or disable the FIFOs on the serial hardware in the Port Settings tab click on the Advanced button For more information about the settings refer to the next section Port Settings Tab Sy Note Transceiver modes apply to RS 485 interfaces only For more information about transceiver modes refer to Chapter 6 Us
116. indows 2000 or up to 99 serial ports under Windows NT Me 9x The NI Serial software also includes a configuration utility which is fully integrated into the Windows 2000 Me 9x Device Manager and Windows NT Control Panel For more information about software specifications refer to Appendix E Specifications The NI Serial software includes the following components e Device driver e Diagnostic utility e Configuration utility e Product manuals Time Saving Development Tools Your kit includes the NI Serial software for Windows 2000 NT Me 9x In addition you can order the Measurement Studio or LabVIEW software from National Instruments to speed your application development time and make it easier to communicate with your instruments LabVIEW is an easy to use graphical programming environment you can use to acquire data from thousands of different instruments including IEEE 488 2 devices VXI devices serial devices PLCs and plug in data acquisition boards After you have acquired raw data you can convert it into meaningful results using the powerful data analysis routines in LabVIEW LabVIEW also comes with hundreds of instrument drivers which dramatically reduce software development time because you do not have to spend time programming the low level control of each instrument Serial Hardware and Software for Windows 1 8 ni com Chapter 1 Introduction Measurement Studio bundles LabWindows CVI for C programmers Componen
117. ing Your Serial Hardware 5 To save your changes click on the OK button To exit without saving the changes click on the Cancel button Serial Hardware and Software for Windows 3 14 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration Port Settings Tab In the Port Settings tab you can change any of the settings by clicking on the arrow button to the right of a field When you click on the arrow button a list of valid values for that field appears and you can select the desired setting from the list Figure 3 7 shows the Port Settings tab PXI 8422 Isolated RS 232 4 Ports COM5 Properties EG Figure 3 7 Port Settings Tab National Instruments Corporation 3 15 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configuration Advanced Port Settings To view or change the advanced port settings click on the Advanced button Figure 3 8 shows the Advanced Port Settings dialog box Advanced Port Settings x Transceiver Mode 4 wire 7 4 wire 2 wire DTR echo OK 2 wire DTA ctrl Use FIFO buffers say etc ee Cancel Select lower settings to correct connection problems ddi Select higher settings for faster performance Defaults Receive Buffer Low 1 A _ High 14 Transmit Buffer Low 1 7 7 J High 16 Figure 3 8 Advanced Settings Dialog Box The following sections describe the advance
118. ipment generates and uses radio frequency energy and if not installed and used in strict accordance with the instructions in this manual and the CE Mark Declaration of Conformity may cause interference to radio and television reception Classification requirements are the same for the Federal Communications Commission FCC and the Canadian Department of Communications DOC FOR HOME OR OFFICE USE Changes or modifications not expressly approved by National Instruments could void the user s authority to operate the equipment under the FCC Rules Class A Federal Communications Commission This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Canadian Department of Communications This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte tout
119. is complete Continue to the next section Verify the Installation National Instruments Corporation 3 3 Serial Hardware and Software for Windows PXI Serial Hardware Installation Verification and Configuration Verify the Installation To verify the hardware and software installation complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Hardware tab and click on the Device Manager button Double click on the Ports COM amp LPT icon to display all of the ports 4 Double click on the Multi function adapters icon The PXI serial boards are configured as devices belonging to the multi function adapters class The multi function parent device is listed under the Multi function adapters icon and each child device is listed as a port under the Ports COM amp LPT icon Figure 3 2 shows the Device Manager tab for serial hardware that is installed properly Zoevice Menage ToT Action view gt a m a My Computer Computer Disk drives 5 Display adapters DYD CD ROM drives H 5 Floppy disk controllers H E Floppy disk drives IDE ATAJATAPI controllers 4 Keyboards TA Mice and other pointing devices 3 Monitors IY Multifunction adapters lt Z N I PXI 8421 RS 485 2 Ports Multi Function Parent Network adapters E PCMCIA adapters E Ports COM amp LPT Communications Port
120. is listed under the Multi function adapters icon and each child device is listed as a port under the Ports COM amp LPT icon To change the resources of serial ports complete the following steps 1 In the Device Manager tab under Multi function adapters double click on a serial interface 2 Click on the Resources tab to change the resources Your changes are automatically reflected to the child devices under Ports COM amp LPT AT and PCMCIA Boards Because the shared IRQ boards are single physical devices that support multiple ports they are registered as multi function adapters in the Device Manager Each port is a child device listed under Ports COM amp LPT Windows Me 9x does not allow the resources of the multi function child devices to be changed directly To change the resources of ports on shared IRQ boards from within the Device Manager you must open the Multi function adapters class and double click on the Multi function Parent item that corresponds to your National Instruments serial interface Use the Resources page to change the resources Any resource changes are automatically reflected to the child devices Figure D 4 shows the Multi function adapters class in the Device Manager This example shows an AT interface Serial Hardware and Software for Windows D 16 ni com Appendix D Troubleshooting and Common Questions System Properties 1 x General Device Manager Hardware Profiles Performa
121. is your first time to install the NI Serial software for Windows 2000 skip to the next section Install the Hardware Otherwise continue to step 8 8 If your hardware is already installed restart Windows 2000 National Instruments Corporation 5 1 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration Install the Hardware Windows 2000 should automatically detect your hardware and display the Found New Hardware Wizard Complete the wizard by clicking Next in each window and then Finish When you complete the wizard continue to the Verify the Installation section If the Found New Hardware Wizard does not appear refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions 3 Note Ifyou are installing a AT 485 you might need to adjust the value of the bias resistors depending on your application For more information refer to Appendix B Serial Port Information UN Caution Before you remove your board from the package touch the antistatic plastic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on your serial board To install your AT serial board complete the following steps 1 Turn off your computer Keep the computer plugged in so that it remains grounded while you install the AT serial board Remove the top or side cover of the compu
122. itter and the receiver at each end of the same pair of wires For example to connect an RS 485 data acquisition device to a port on your board using half duplex communication you need a single twisted pair of wires At the board connect the TXD and RXD signals pins 8 and 4 on a DB 9 connector pins 5 and 20 on a DB 25 connector together and to one wire Connect the other end of this wire to both the TXD and RXD signals on the data acquisition device Use the same method to connect the TXD and RXD signals pins 9 and 5 on a DB 9 connector pins 22 and 7 on a DB 25 connector to the second wire National Instruments Corporation A 1 Serial Hardware and Software for Windows Appendix A Connector Descriptions For information about setting the transceiver mode for two wire communication refer to Chapter 6 Using Your Serial Hardware For more information about duplex architectures refer to Appendix B Serial Port Information DB 9 Connector Serial Hardware and Software for Windows Figure A 1 and Table A 1 give the pin locations and descriptions of the DB 9 connector the 10 position modular jack to DB 9 cable the cable adapter for the eight port board and the DB 9 connectors to the 16 port breakout box PIN 5 PIN 1 mh PIN 9 PIN 6 J Figure A 1 DB 9 Connector Pin Locations Table A 1 DB 9 Pin Descriptions
123. ituations The isolation between each communication port and the host PC ensures safe operation of the PC and the devices connected to other ports on the same board in case of accidental high voltages on communication lines The AT 485 boards support four hardware transceiver control modes for reliable communication with two and four wire devices For more information about transceiver control modes refer to Chapter 6 Using Your Serial Hardware All serial hardware uses standard 16550 compatible UARTs Universal Asynchronous Receiver Transmitters for complete compatibility with standard PC COM ports The serial hardware contains FIFOs First In First Out buffers to reduce susceptibility to interrupt latency for faster transmission rates Full Plug and Play compatibility allows switchless configuration and installation For more information about the serial hardware specifications and operating conditions refer to Appendix E Specifications National Instruments Corporation 1 7 Serial Hardware and Software for Windows Chapter 1 Introduction Nl Serial Software Overview The NI Serial software for Windows 2000 NT Me 9x includes a native Windows 2000 Me 9x device driver and Windows NT kernel driver that provide full interrupt driven buffered I O for multiple COM ports You can obtain a maximum baud rate of either 460 8 KBaud PCI PXI 485 kits or 115 2 KBaud PCI PXI PCMCIA AT 232 kits You can also use up to 256 serial ports under W
124. l Hardware and Software for Windows Connector Descriptions Connecting Cables For the PCMCIA serial cards and two port PCI PXI and AT serial boards you can use the standard DB 9 connector found on most serial cables To use the DB 9 connector with the four port serial boards you need the 10 position modular jack to DB 9 cable which is available from National Instruments You can also use a DB 25 connector with the four port serial boards by ordering the 10 position modular jack to DB 25 converter cable from National Instruments The eight port serial boards include a pig tail cable adapter providing eight standard DB 9 connectors The 16 port boards include a break out box providing 16 standard DB 9 connectors Sy Note To achieve the specified isolation voltage for four port isolated PCI or AT serial boards use only the 10 position modular jack to DB 9 cable included in your four port isolated PCI or AT serial board kit For more information about cable connectors see the connector descriptions in this appendix Connecting Two Wire Devices The PCI 485 PCMCIA 485 RS 485 PXI PXI 8421 and PXI 8423 and AT 485 boards are designed to work with either two or four wire devices If you are using a two wire device refer to the device documentation for specific wiring instructions In general half duplex networks use a single twisted pair of wires for communication in both directions so you must connect both the transm
125. l ports c Repeat steps 5a and 5b until you have verified the resources for each board 6 Optional To determine which physical port is associated with COMx note the Port 1 Port 2 etc entries next to the COM numbers For all serial hardware PORT refers to the top port PORT2 refers to the next port down and so on Serial Hardware and Software for Windows 4 4 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Run the diagnostic utility as follows select Start Programs National Instruments NI Serial Diagnostics The diagnostic utility verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly If the test is successful your serial hardware and software are installed properly If the test fails refer to Appendix D Troubleshooting and Common Questions to troubleshoot the problem After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Settings The serial configuration utility is fully integrated into the Windows 2000 Device Manager You can use it to view or change the configuration of your serial ports To configure a serial port complete the following steps 1 Select Start Settings C
126. ll serial hardware PORT refers to the top port PORT refers to the next port down and so on How can I change the COM numbers of my National Instruments serial ports 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Hardware tab and click on the Device Manager button Serial Hardware and Software for Windows D 4 ni com Appendix D Troubleshooting and Common Questions Double click on the Ports COM amp LPT icon Double click on the port you want to configure Click on the Port Settings tab Click on the Advanced button The Advanced Settings dialog box should pop up 7 Change the COM number in the COM Port Number field You can use a COM number that is designated as in use as long as no hardware is actually using that COM number Se S How do I remove information about serial boards from the Device Manager Refer to the hardware uninstallation section for your hardware platform in Appendix C Uninstalling the Hardware and Software What is the maximum baud rate supported and how can I set it The maximum baud rate supported is 460 8 Kbaud for RS 485 and 115 2 Kbaud for RS 232 To set the baud rate use the SetCommState Win32 function and pass the actual value of the baud rate in the BaudRate field of the DCB structure National Instruments Corporation D 5 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions Windows Me 9x
127. lled properly Serial Hardware and Software for Windows 5 12 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration System Properties 21x General Device Manager Hardware Profiles Performance View devices by type View devices by connection amp Hard disk controllers E Keyboard w Monitor A Mouse E Network adapters Ports COM amp LPT F Communications Port COM1 f d Communications Port COM2 F N I AT 232 4 Communications Port COM10 F N I AT 232 4 Communications Port COM aF N I AT 232 4 Communications Port COM8 F N I AT 232 4 Communications Port COM9 F N I AT 485 2 Communications Port COM5 N I AT 485 2 Communications Port COM6 Printer Port LPT 1 H System devices Properties Refresh Remove Print Cancel Figure 5 6 Device Manager Ports List for AT Serial Board Correctly Installed Verify the Hardware Resources For every port of the newly installed serial interface double click on the name of the serial port in the Device Manager Then click on the Resources tab If the resources were assigned correctly the Resources page shows which resources are assigned to your serial ports If Windows Me 9x did not assign any resources to the port the Resources page shows only a Set Configuration Manually button Click on the Set Configuration Manually button and try to assign conflict f
128. log box lists the software available for removal 3 Select the serial software you want to remove and click on the Add Remove button The uninstall program runs and removes all folders utilities and registry entries associated with the NI Serial software 4 Shut down Windows NT power off your computer and remove your serial interfaces To reinstall the hardware and software refer to Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Serial Hardware and Software for Windows C 16 ni com Appendix C Uninstalling the Hardware and Software AT Hardware Windows 2000 m z z4 Device Manager Uninstall the Hardware Before you physically remove the serial hardware from your system you must remove the hardware information To do so complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Select the Hardware tab and click on the Device Manager button Double click on the Multi function adapters icon 4 From the Multi function adapters list right click on the National Instruments interface that you want to uninstall as shown in Figure C 10 Action View gt m s 2 a z My Computer Computer Disk drives Display adapters Ja DVD CD ROM drives Floppy disk controllers O F E F e L eesaees 9 F
129. loppy disk drives IDE ATA ATAPI controllers Keyboards TA Mice and other pointing devices 3 Monitors lt P Multifunction adapters lt Ee es E Network adapters PCMCIA adapters oy Ports COM amp LPT Communications Port COM3 Disable Scan for hardware changes Properties oY N I AT 232 4 Shared IRQ Comm F N I AT 232 4 Shared IRQ Communications Port COM25 F N I AT 232 4 Shared IRQ Communications Port COM26 a Printer Port LPT1 i Sound video and game controllers National Instruments Corporation Figure C 10 Selecting an Interface to Uninstall C 17 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and Software Windows Me 9x 5 Choose the Uninstall option 6 Inthe Confirm Device Removal dialog box click on the OK button to remove the hardware information or click on the Cancel button to cancel your request Uninstall the Software Before you uninstall the NI Serial software you must remove the hardware information from your system as described in the previous section To uninstall the NI Serial software complete the following steps 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears This dialog box lists the software that you can uninstall 3 Select NI Serial and click on the Change Remove button The uninstallation program removes all
130. lower settings Resources Click on the Resources button to display the resource configuration dialog box for the port For more information on resource configuration refer to the next section Resource Settings Resource Settings The following sections explain the resource configuration options for each serial interface Serial Hardware and Software for Windows 5 24 ni com Chapter 5 AT Boards Shared IRQ AT Serial Hardware Installation Verification and Configuration Figure 5 12 shows the PnP Port Configuration dialog box for an AT 232 4 with shared IRQ The dialog boxes for other shared IRQ AT boards are similar PnP Port Configuration Resources aA N I AT 232 4 Resource settings Resource type Setting Input Output Range 0118 011F W Input Output Range 0120 0127 a Interrupt Request 07 4 Setting based on Basic configuration 0000 x Change Setting P Use automate settings Conflicting device list No conflicts L 1x Figure 5 12 PnP Port Configuration Dialog Box for the AT 232 4 Each shared IRQ AT board requires multiple base I O settings one for each port and one IRQ that is shared between the ports Input Output Range Each Input Output Range listing displays the I O address ranges assigned to the corresponding port on the board Interrupt Request The IRQ shared between the ports on the board 3 Note The niports utility informs you if your resources
131. ltage From port to port eee 2000 Vrms 60s From any port to host computer 2000 Vrms 60s The four port PCI serial boards require a cable to convert the 10 position modular jack to either DB 9 or DB 25 connectors Serial Hardware and Software for Windows E 2 ni com Appendix E Specifications for PCI Serial Hardware Power requirement from PCI channel PCI 485 4 FIV DCine he ey 1000 mA typical 1500 mA maximum PCI 232 4 5 VDC pescites miren enas 500 mA typical 750 mA maximum Eight Port Boards DIMENSIONS iissa iae anie 10 67 by14 48 cm 4 2 by 5 7 in V O connector s ssssssssssesesseseseeseseesrssestsse 68 position SCSI type connector Power requirement from PCI channel PCI 485 8 HO A D OEE AE E E 1100 mA typical 2000 mA maximum PCI 232 8 5 VDC arrinin 100 mA typical 180 mA maximum 12 VDC iachtaiins eet 80 mA typical 800 mA maximum 16 Port Boards Dimensions insanin 10 67 by17 52 cm 4 2 by 6 9 in J O connector c cececeseseseseseseseseseseeeeees 100 position SCSI type connector Power requirement from PCI channel PCI 232 16 FINV DG ia ea A 250 mA typical 500 mA maximum 1 The eight port PCI serial boards require a cable which is included in your kit to convert the 68 position connector to eight DB 9 connectors 2 The 16 port PCI serial boards require a breakout box which is included in your kit to separate the 100 position connector to 16 DB 9 connectors National Instrumen
132. m elea aw E E F F 5 Mice and other Monitors lt Y Multifunction adapters SD N I PCI 23 ROZNI PCI 48 EF Network adapters Disable oy Ports COM amp LPT an 7 i Communications Port COM3 Scan for hardware changes A N I PCI 23 A N I PCI 23 A N I PCI 23 AF N I PCI 23 A N I PCI 23 A N I PCI 23 AF N I PCI 23 AF N I PCI 23 a N I PCI 48 ov N I PCI 48 og N I PCI 48 oy N I PCI 48 F Printer Port fi Sound video and game controllers System devices pointing devices 2 8 Multi function Parent 5 4 Isolated Multi Function Parent 2 8 Communications Port 1 COM36 Properties 2 8 Communications Port 2 COM3 2 8 Communications Port 3 COM33 2 8 Communications Port 4 COM32 2 8 Communications Port 5 COM11 2 8 Communications Port 6 COM10 2 8 Communications Port 7 COMB 2 8 Communications Port 8 COMS 5 4 Isolated Communications Port 1 COM159 5 4 Isolated Communications Port 2 COM158 5 4 Isolated Communications Port 3 COM157 5 4 Isolated Communications Port 4 COM156 LPT1 Le Figure D 1 Selecting an Interface to Uninstall Serial Hardware and Software for Windows D 2 ni com Appendix D Troubleshooting and Common Questions 5 Choose the Uninstall option 6 Inthe Confirm Device Removal dialog box click on the OK button to remove the hardware information or click on the
133. ments Corporation B 1 As specified in the ANSI EIA 232 D Standard Interface Between Data Terminal Equipment and Data Circuit Terminating Equipment Employing Serial Binary Data Interchange RS 232 standardizes serial communication between computers and between computer terminals and modems Most applications use the RS 232 standard to interface peripherals to personal computers RS 232 uses transmission lines in which the state of each signal is represented by referencing the voltage level of a single line to ground RS 232 was designed for serial communication up to Serial Hardware and Software for Windows Appendix B Serial Port Information RS 422 distances of 50 ft and with data rates up to 20 kbytes s However because of improvements in line drivers and cabling you can usually increase the actual performance of the bus past the limitations on speed and distance recommended in the specification RS 485 As specified in the E A RS 422 A Standard Electrical Characteristics of Balanced Voltage Digital Interface Circuits RS 422 defines a serial interface much like RS 232 However RS 422 uses balanced or differential transmission lines Balanced transmission lines use two transmission lines for each signal The state of each signal is represented not by a voltage level on one line referenced to ground as in RS 232 but rather by the relative voltage of the two lines to each other For example the TX signal is carried on two
134. mputer to a modem by wiring pin to pin 1 pin 2 to pin 2 and so on This method is known as straight through cabling Figure B 5 shows straight through cabling in a DTE to DCE interface Pin 2 bq XP pin 2 Pin3 1xD p Pin 3 Figure B 5 Straight Through Cabling in a DTE to DCE Interface Straight through cabling is still the standard method to connect a modem to your PC However because many applications use serial communication to connect two or more DTEs without modems the cabling becomes more complicated If two DTEs are wired together using a straight through cable one transmitter is connected to the other transmitter and one receiver is connected to the other receiver In this setup no transmissions can occur Thus these applications must use a cabling scheme that connects the transmitter on one device to the receiver on the other device and vice versa This method is known as null modem cabling because it replaces the two modems that traditional RS 232 applications would require between the two DTEs To communicate from one serial port to another use a null modem cable Figure B 6 shows null modem cabling in a DTE to DTE interface F Rx D RxD _ Pin 2 Pin 2 DTE p lt DTE Pin 3 xD TxD pin 3 Figure B 6 Null Modem Cabling in a DTE to DTE Interface 1 Tn Revision D of the RS 232 specification a DCE is a Data Circuit Terminating Equipment
135. n A list of installed National Instruments ports with their logical COMx names appears If your interface is not on this list refer to Appendix D Troubleshooting and Common Questions b Select the COM port that you want to verify and click on the Settings button The General Port Settings dialog box displays the serial number of the serial hardware and the physical port number starting at 1 For all serial hardware PORT 1 refers to the top port PORT2 refers to the next port down and so on 2 Run the diagnostic utility as follows select Start Programs National Instruments Serial diagnostics The diagnostic utility verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly If the test is successful your serial hardware and software are installed properly If the test fails refer to Appendix D Troubleshooting and Common Questions to troubleshoot the problem 3 After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections National Instruments Corporation 3 19 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configuration Configure Communication Port Settings The serial configuration utility is fully integr
136. n in Appendix D Troubleshooting and Common Questions The serial hardware installation is complete Continue to the next section Verify the Installation National Instruments Corporation 2 3 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration Verify the Installation To verify the hardware and software installation complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Hardware tab and click on the Device Manager button Double click on the Ports COM amp LPT icon to display all of the ports 4 Double click on the Multi function adapters icon The PCI serial boards are configured as devices belonging to the multi function adapters class The multi function parent device is listed under the Multi function adapters icon and each child device is listed as a port under the Ports COM amp LPT icon Figure 2 2 shows the Device Manager tab for serial hardware that is installed properly Z vevice Manager TT Action view gt m o 2 a My Computer Computer amp Disk drives j Display adapters 23 DVD CD ROM drives Floppy disk controllers 7 d D E amp Floppy disk drives SS IDE ATASATAPI controllers Keyboards TA Mice and other pointing devices
137. n in the Control Panel to launch the Add Remove Programs applet The Add Remove Programs Properties dialog box appears This dialog box lists the software available for removal 3 Select the serial software you want to remove and click on the Add Remove button The uninstall program runs and removes all folders programs VxDs DLLs and registry entries associated with the NI Serial software 4 Shut down Windows Me 9x turn off your computer and physically remove the serial interfaces from your system To reinstall the hardware and software refer to Chapter 5 AT Serial Hardware Installation Verification and Configuration Uninstall the Hardware Before physically removing the serial hardware you must remove the hardware information from the Windows NT Control Panel Follow these steps to uninstall the hardware 1 Double click on the niports icon under Start Settings Control Panel 2 Select the port to remove from the list of ports as shown in Figure C 12 Serial Hardware and Software for Windows C 20 ni com Appendix C Uninstalling the Hardware and Software National Instruments Ports x Settings f Delete Ports Add a New PCMCIA card PCMCIA 485 E Add Figure C 12 Selecting an Interface to Uninstall 3 Click on the Delete button 3 Note For shared IRQ AT boards all ports on the interface are removed Uninstall the Software Before uninstalling the software r
138. n your system and that the serial driver can communicate with your hardware correctly To run the test select the diagnostics item under Start Programs National Instruments Serial If the diagnostic test completes with no failures your serial hardware and software are installed properly If it fails refer to Appendix D Troubleshooting and Common Questions for troubleshooting instructions After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Settings The serial configuration utility is fully integrated into the Windows Me 9x Device Manager You can use it to view or change the configuration of your serial ports Follow these steps to configure the serial port Repeat the configuration procedure for each serial port in your system 1 Select Start Settings Control Panel and double click on the System icon The System Properties window appears 2 Select the Device Manager tab and click on the View devices by type button at the top of the page Serial Hardware and Software for Windows 5 14 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration 3 Double click on the Ports COM amp LPT icon 4 Double click on the name of the port you want to configure You can now view or change information about your serial port in the following ways e To view the
139. nce View devices by type View devices by connection Monitor im B Mouse lt gt Multi function adapters lt gt N I AT 232 4 Multifunction Parent EF Network adapters PCMCIA socket oY Ports COM amp LPT J Communications Port COM1 x Communications Port COM2 J N I AT 232 4 Shared IRQ Communications Port COM10 s N I AT 232 4 Shared IRQ Communications Port COM I N I AT 232 4 Shared IRQ Communications Port COM8 J N I AT 232 4 Shared IRQ Communications Port COM9 a d N I AT 485 2 Communications Port COM5 N I AT 485 2 Communications Port COME Rate Me NT 4 gt Properties Refresh Remove Print A Cancel Figure D 4 Multi Function Adapter Class in the Device Manager How do I remove information about serial boards from the Device Manager Refer to the hardware uninstallation section for your hardware platform and operating system in Appendix C Uninstalling the Hardware and Software What is the maximum baud rate supported and how can I set it The maximum baud rate supported is 460 8 Kbaud for RS 485 and 115 2 Kbaud for RS 232 To set the baud rate use the SetCommState Win32 function and pass the actual value of the baud rate in the BaudRate field of the DCB structure How many interrupts are required for my serial interface If you have a shared IRQ board or an isolated board you need one interrupt
140. nd Configuration Install the PCMCIA Serial Hardware Complete the following steps to install the PCMCIA 232 or PCMCIA 485 in your computer 1 Shut down the computer 2 Insert the card into a free PC Card PCMCIA socket the same way you insert a disk into a floppy drive The card has no jumpers or switches to set 3 Power on the computer and start Windows NT Figure 4 9 shows how to insert a PCMCIA serial card and how to connect the cable 1 PCMCIA Socket 2 PCMCIA Serial Cable Figure 4 9 Inserting a PCMCIA Serial Card Proceed to the next section Select Resources for the PCMCIA Card National Instruments Corporation 4 17 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Select Resources for the PCMCIA Card Complete the following steps to select resources for your PCMCIA card 1 Select Start Settings Control Panel 2 Double click on the niports icon 3 Select the PCMCIA card you just installed from the Add a New PCMCIA Card list and click on the Add button 4 Inthe Resource Configuration dialog box select nonconflicting base T O address and IRQ settings for your port card and click on OK For more information on selecting resources for your port card refer to the Resource Settings section 5 Exit niports and restart the computer After you have selected resources for your PCMCIA card proceed to the next
141. nd Microsoft Windows NT System Guide Microsoft Corporation Serial Hardware and Software for Windows xiv ni com About This Manual NSI6550AF Universal Asynchronous Receiver Transmitter with FIFOs National Semiconductor e T16C654 Asynchronous Receiver Transmitter with FIFOs EXAR Corporation National Instruments Corporation XV Serial Hardware and Software for Windows Introduction This chapter explains how to use this manual lists what you need to get started and optional equipment you can order and briefly describes the serial hardware and the NI Serial software How to Use This Manual Chapter 4 Gather What You Need ARIEL to Get Started y Install the NI Serial Software y Install the Serial Hardware l y __Verify the installation e the Installation Chapters 2 3 4 and 5 Mo Troubleshooting _ _ the Serial Port About Transceiver Control Modes Chapter 6 Review Programming Requirements Write Application Program National Instruments Corporation 1 1 Serial Hardware and Software for Windows Chapter 1 Introduction What You Need to Get Started Before you install your serial hardware and the NI Serial software make sure you have all of the following items Q Q Windows 2000 NT Me 9x installed on your computer One of the following serial boards which is included in your kit PCI Kits
142. nd workmanship for a period of one year from the date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace equipment that proves to be defective during the warranty period This warranty includes parts and labor The media on which you receive National Instruments software are warranted not to fail to execute programming instructions due to defects in materials and workmanship for a period of 90 days from date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace software media that do not execute programming instructions if National Instruments receives notice of such defects during the warranty period National Instruments does not warrant that the operation of the software shall be uninterrupted or error free A Return Material Authorization RMA number must be obtained from the factory and clearly marked on the outside of the package before any equipment will be accepted for warranty work National Instruments will pay the shipping costs of returning to the owner parts which are covered by warranty National Instruments believes that the information in this document is accurate The document has been carefully reviewed for technical accuracy In the event that technical or typographical errors exist National Instruments reserves the right to make changes to subsequent editions of this document without prior notic
143. nd you do not need to shut down the system before you insert it Windows Me 9x automatically displays one or more New Hardware Found dialog boxes when it detects and configures a PC Card If the New Hardware Found dialog box does not appear refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions National Instruments Corporation 4 9 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Figure 4 5 shows how to insert a PCMCIA serial card and how to connect the cable 1 PCMCIA Socket 2 PCMCIA Serial Cable Figure 4 5 Inserting a PCMCIA Serial Card The serial hardware installation is complete Continue to the next section Verify the Installation Verify the Installation When you begin to verify the installation keep in mind that the serial ports built into the computer are typically named from COM1 to COM4 Windows Me 9x typically issues port names to the ports on NI serial hardware starting with COM5 COM6 and so on If not enough resources are available to assign to all the NI serial ports the port with the higher COM lt x name is left unconfigured Double click on the System icon in the Control Panel In the System Properties window that appears select the Device Manager tab and click on the View devices by type button at the top of the page If necessary double click
144. nector pin descriptions figure A 6 68 pin connector pin descriptions table A 7 connector A 2 pin descriptions table A 2 pin locations figure A 2 DCE vs DTE B 7 default restoration 2 9 2 18 3 9 3 17 4 8 4 16 5 9 determining number of interrupts required for a Serial interface D 23 ni com determining port associated with COMx Windows 2000 D 4 Windows Me 9x 4 12 5 14 D 15 Windows NT 4 18 5 21 D 22 determining type of serial hardware installed Windows 2000 D 4 Windows Me 9x D 14 Windows NT D 22 determining version of NI Serial software installed Windows 2000 D 4 Windows Me 9x D 15 Windows NT D 22 development tools for saving time 1 8 Device Manager for AT serial board ports figure 5 4 5 13 Device Manager for PCI serial board ports figure 2 4 2 13 Device Manager for PCMCIA serial card ports figure 4 4 4 11 Device Manager for PXI serial board ports figure 3 4 3 12 Device Manager ports list figure D 12 D 14 DeviceloControl 6 4 input values table 6 5 setting transceiver mode with 6 4 diagnostic messages address test failed Windows 2000 D 3 Windows Me 9x D 10 Windows NT D 21 diagnostic utility does not show all installed ports Windows Me 9x D 10 Windows NT D 21 interrupt test failed Windows 2000 D 3 Windows Me 9x D 10 Windows NT D 22 National Instruments Corporation Index no National Instruments serial port found Windows 2000 D 3 Windows Me 9
145. network If you daisy chained multiple instruments together you need a terminating resistor at only the first and last instruments The terminating resistor should match the characteristic impedance of the transmission line typically 100 to 120 Q You can order an optional DB 9 RS 485 termination connector that contains embedded terminating resistors for easy termination from National Instruments For ordering information contact National Instruments Figure B 3 shows a multidrop network using terminating resistors Slave 1 Slave 2 Slave n JN AN AN MASTER oH z 10092 Y Foa Bias Resistors Figure B 3 Multidrop Network Using Terminating Resistors A transmission line enters an indeterminate state if no nodes are transmitting on it This indeterminate state can cause the receivers to receive invalid data bits from noise picked up on the cable To prevent a line from receiving these data bits force the transmission line into a known state To do so install two 620 Q bias resistors at one node on the transmission line doing so creates a voltage divider that forces the voltage between the differential pair to be greater than 200 mV the threshold voltage for the receiver You should install these resistors on only one node My Note Bias resistors are not available on the eight port PCI 485 or eight port PXI 8421 National Instruments Corporation B 5 Serial Hardware and Softw
146. ns section of Appendix D Troubleshooting and Common Questions Restore Defaults To reset the fields to their default values at any time click on the Restore Defaults button Windows NT Install the Nl Serial Software Install the NI Serial software for Windows NT before you install the hardware 1 Log on as Administrator or as a user who has Administrator privileges 2 Select Start Settings Control Panel 3 Double click on the Add Remove Programs icon in the Control Panel to launch the Add Remove Programs applet The Add Remove Programs dialog box appears 4 Click on the Install button 5 When prompted insert the N Serial Software for Windows 2000 NT Me 9x CD and click on the Next button to proceed The software installation wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software You can go back and change values where appropriate by clicking on the Back button You can exit the setup where appropriate by clicking on the Cancel button 3 Note This installation backs up the Microsoft Windows NT serial driver serial sys to serial bak and then overwrites serial sys You can find serial sys in the Windows NT system32 drivers directory The software installation is complete Proceed to the next section Install the PCMCIA Serial Hardware Serial Hardware and Software for Windows 4 16 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification a
147. nstall your PCI serial board complete the following steps 1 Turn off your computer Keep the computer plugged in so that it remains grounded while you install the PCI serial board Remove the top or side cover of the computer Find an unused PCI expansion slot in your computer Remove the corresponding expansion slot cover on the back panel of the computer Touch a metal part on your chassis to discharge any static electricity Insert the PCI serial board into the slot with the serial connectors toward the opening on the back panel Make sure that you insert the board all the way into the slot The board might seem to click firmly into place even though it is only part of the way in Figure 2 1 shows how to install the PCI serial board into an expansion slot Serial Hardware and Software for Windows 2 2 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration 1 PC 2 PCI Serial Board 3 PCI Slot Figure 2 1 PCI Serial Board Installation 7 Screw the PCI serial board mounting bracket to the back panel mounting rail of the computer Replace the cover 9 Turn on your computer and start Windows 2000 10 Windows 2000 should automatically detect your hardware and display the Found New Hardware Wizard Complete the wizard by clicking Next in each window and then Finish If the Found New Hardware Wizard does not appear refer to the Forcing Windows to Detect Your Hardware sectio
148. o Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Uninstall the Hardware Before physically removing the serial hardware you must remove the hardware information from the Windows NT Control Panel Follow these steps to uninstall the hardware 1 Double click on the niports icon under Start Settings Control Panel 2 Select the port to remove from the list of ports as shown in Figure C 9 National Instruments Corporation C 15 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and Software National Instruments Ports Ea Ports COMS N I PEMCIA 232 2 COM N I PEMCIA 232 2 Close Settings Delete ALE Add a New PCMCIA card PCMCIA 485 E Figure C 9 Selecting an Interface to Uninstall 3 Click on the Delete button 3 Note For two port and four port PCMCIA cards all ports on the interface are removed Uninstall the Software Before uninstalling the software remove all serial port information from the Windows NT Control Panel as described in the previous section You do not need to shut down Windows NT before uninstalling the software Complete the following steps to remove the NI Serial software 1 Select StartySettings Control Panel 2 Double click on the Add Remove Programs icon in the Control Panel to launch the Add Remove Programs applet The Add Remove Programs Properties dialog box appears This dia
149. oftware 3 Select the NI Serial software you want to uninstall and click on the Add Remove button The uninstallation program removes all folders utilities and registry entries associated with the NI Serial software 4 Shut down Windows Me 9x turn off your computer and physically remove the serial interfaces from your system The uninstallation program removes only items that the setup wizard installed If you added anything to a directory that the setup wizard created the uninstallation program does not delete that directory You must remove any remaining components yourself To reinstall the hardware and software refer to Chapter 3 PXI Serial Hardware Installation Verification and Configuration Windows NT Uninstall the Hardware Before you physically remove the serial hardware from your system you must remove the hardware information To do so complete the following steps 1 Login as Administrator or as a user who has Administrator privileges 2 Select Start Settings Control Panel and double click on the niports icon From the Ports list select the port of the board you want to uninstall as shown in Figure C 6 National Instruments Ports x Ports COMS PXI 8422 Isolated RS 232 4 Ports Settings COME PXI 8422 Isolated RS 232 4 Ports B Delete COM PXI 8422 Isolated RS 232 4 Ports COMS 22 Isolated R5 232 4 Ports Add a New PCMCIA card l PCMCIA 485 be Add
150. oftware characteristics AT E 11 PCI E 4 PCMCIA E 8 PXI E 7 two port boards AT E 9 PCI E 1 PXI E 5 standard DOS based addresses table D 15 straight through cabling in a DTE to DCE interface figure B 7 system integration by National Instruments F 1 T technical support resources F 1 termination B 5 multidrop network using terminating resistors figure B 5 National Instruments Corporation I 9 Index time saving development tools 1 8 transceiver control modes table 6 2 transceiver mode AT Windows 2000 5 8 AT Windows Me 9x 5 17 AT Windows NT 5 23 PCI Windows 2000 2 8 PCI Windows Me 9x 2 17 PCI Windows NT 2 22 PCMCIA Windows 2000 4 7 PCMCIA Windows Me 9x 4 15 PCMCIA Windows NT 4 20 PXI Windows 2000 3 8 PXI Windows Me 9x 3 16 PXI Windows NT 3 21 setting with DeviceloControl 6 4 transceiver mode control bytes table 6 4 transmission line using bias resistors figure B 6 troubleshooting D 1 diagnostic messages Windows 2000 D 3 Windows Me 9x D 9 Windows NT D 20 forcing Windows to detect your hardware Windows 2000 D 2 Windows Me 9x D 11 freeing an interrupt request level D 6 missing serial port in the niports list D 18 resolving resource conflicts D 19 resolving resource conflicts with legacy boards Windows 2000 D 4 Windows Me 9x D 11 selecting conflict free resources D 7 two port boards specifications AT E 9 isolated two port boards AT E 9 PCI E 1
151. on Verification and Configuration Advanced Port Settings You can view or change the advanced port settings by clicking on the Advanced button on the Port Settings tab Figure 5 8 shows the Advanced Port Settings dialog box wire DTR ctrl V Use FIFO buffers pa ae Select higher settings for faster performance Transmit Buffer Low 1 Select lower settings to correct connection problems Advanced Port Settings x Transceiver Mode 4 wire z 4 wire 2 wire DTR echo Receive Buffer Low 1 i _ High 14 J High 16 Cancel Defaults Figure 5 8 Advanced Port Settings Dialog Box The following sections describe the advanced settings options Transceiver Mode The transceiver mode selection is available by clicking on the Advanced button on the Port Settings tab It shows the transceiver mode in use and applies only to AT 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware National Instruments Corporation 5 17 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration Use FIFO Buffers The FIFO buffer control is available by clicking on the Advanced button on the Port Settings tab FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver The receiver FIFO trigger denotes the number of characters received in the FIFO before th
152. on Verification and Configuration Figure 2 6 shows the Device Manager tab for serial hardware that is installed properly System Properties 21x General Device Manager Hardware Profiles Performance View devices by type C View devices by connection Keyboard Modem Monitor A Mouse lt Q Multi function adapters N I PCI 23274 Multi function Parent E7 Network adapters Other devices PCMCIA socket av Ports COM amp LPT A Communications Port COM1 x N I PCI 232 4 Communications Port COM10 F N I PCI 232 4 Communications Port COM F N I PCI 232 4 Communications Port COM8 wo N I PCI 232 4 Communications Port COM9 wo Printer Port LPT2 rae ee ene Deen et PR Properties Refresh Remoy e Print z 1 4 Fi D H Cancel Figure 2 6 Device Manager Tab for PCI Serial Board Ports 5 Verify the hardware resources as follows a Inthe Device Manager tab under Multi function adapters double click on a serial board b Click on the Resources tab If the resources were assigned properly the Resources tab shows which resources are assigned to your serial ports c Repeat steps 5a and 5b until you have verified the resources for each board National Instruments Corporation 2 13 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration 6 O
153. on the Ports COM amp LPT icon to view all of the ports Serial Hardware and Software for Windows 4 10 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration The two port and four port PCMCIA cards are configured as devices belonging to the multi function adapters class The multi function parent device is listed under the Multi function adapters icon and each child device is listed as a port under the Ports COM amp LPT icon If you have installed one of these interfaces double click on the Multi function adapters icon as well as the Ports COM amp LPT icon If a circled exclamation point appears through the port icon the serial port is not installed properly A problem with the port could have occurred because Windows Me 9x could not acquire resources for the port or because an interrupt request resource conflict exists If no circled exclamation point appears the serial hardware is installed correctly Figure 4 6 shows an example of NI serial hardware that is installed properly System Properties General Device Manager Hardware Profiles Performance View devices by type C View devices by connection E Keyboard Modem Monitor B Mouse gt Multi function adapters gt NI PCMCIA 232 Multi function Parent EF Network adapters D Other devices PCMCIA socket oY Potts COM amp LPT J Communications Port COM1 wv N I POMCIA 232 2 Communications Port COM5 wo N I PCMC
154. one for the transmitter and one for the receiver The Receive Buffer control sets the number of characters received in the FIFO before the PC is interrupted to read the data The Transmit Buffer control sets the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data When you configure FIFO settings consider the following points e You can select larger FIFO buffer sizes to reduce the number of interrupts your PC receives and therefore minimize system overhead e If transfer rates are high you can lower the Receive Buffer value to prevent overrun errors due to interrupt latency e If your data transfer sizes are small and your Receive Buffer value is above your data sizes your system is less efficient Therefore set the Receive Buffer value below your data sizes National Instruments Corporation 2 17 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration Restore Defaults To reset the fields to their default values at any time click on the Restore Defaults button Windows NT Install the Software Before you install your serial hardware complete the following steps to install the NI Serial software for Windows NT 1 Log in as Administrator or as a user who has Administrator privileges 2 Select Start Settings Control Panel 3 Double click on the Add Remove Programs icon The Add Remove Programs dialog bo
155. ontrol Panel and double click on the System icon 2 Click on the Hardware tab and click on the Device Manager button Double click on the Ports COM amp LPT icon 4 Double click on the port you want to configure and refer to the following instructions e To view the hardware resources assigned to the serial port click on the Resources tab e To view or change the port settings click on the Port Settings tab For more information about the settings refer to the next section Port Settings Tab e To change the RS 485 transceiver mode or to enable or disable the FIFOs on the serial hardware in the Port Settings tab click on the Advanced button For more information about the settings refer to the next section Port Settings Tab Sy Note Transceiver modes apply to RS 485 interfaces only For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware 5 National Instruments Corporation To save your changes click on the OK button To exit without saving the changes click on the Cancel button 4 5 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Port Settings Tab In the Port Settings tab you can change any of the settings by clicking on the arrow button to the right of a field When you click on the arrow button a list of valid values for that field appears and you can select the desired setting from the list
156. ontrol from your application By connecting the transmitter to the TXRDY Transmit Ready line the hardware enables the transmitter for each byte to be transmitted Also the hardware disables the receiver whenever the transmitter is enabled so you do not receive the packets sent from your transmitter Ss Note When you are communicating with a two wire device National Instruments recommends that you use the two wire TXRDY auto control mode Because this mode handles the transmitter receiver enabling for a two wire connection in your hardware it reduces the software overhead required to perform this operation in your application program For more information about serial communication in two or four wire modes refer to the Serial Communication Issues section in Appendix B Serial Port Information Setting the Transceiver Control Mode Windows 2000 To set the transceiver control mode use the Windows 2000 Device Manager For instructions on how to use the Device Manager refer to the chapter with installation instructions for your hardware platform The mode you select in the Device Manager is automatically configured when you open a port on a serial interface Windows Me 9x To set the transceiver control mode use the Windows Me 9x Device Manager For instructions on how to use the Device Manager refer to chapter with installation instructions for your hardware platform The mode you select in the Device Manager is automatically configu
157. or instructions on how to do so refer to your legacy board documentation National Instruments Corporation D 21 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions Interrupt Test Failed Ifthe Interrupt test failed error message appears you might have an IRQ conflict with legacy boards in your system To solve this problem change the IRQ level assigned to your legacy boards For instructions on how to do so refer to your legacy board documentation Common Questions How can I determine which type of serial hardware I have installed To display a list of installed ports select Start Settings Control Panel and double click on the niports icon How can I determine which version of the NI Serial software I have installed The Read Me file gives the version of the software To open the file select Start Programs National Instruments Serial gt Read Me What do I do if the diagnostic test fails with an error Refer to the Troubleshooting Diagnostic Messages section earlier in this appendix How can I determine which port is associated with COMx To determine which physical port is associated with COMx complete the following steps 1 Select Start Settings Control Panel and double click on the niports icon A list of installed National Instruments ports with their logical COMx names appears If your interface is not on this list refer to the Missing Serial Port in the nipor
158. ort resources on our Web site and still cannot find the answers you need contact your local office or National Instruments corporate Phone numbers for our worldwide offices are listed at the front of this manual Serial Hardware and Software for Windows F 2 ni com Glossary Prefix Meaning Value p pico 10 7 n nano 10 9 u micro 10 6 m milli 10 3 k kilo 103 M mega 106 G giga 10 t tera 10 i degrees Q ohms percent A amperes ANSI American National Standards Institute b bits B bytes baud bits per second bps bits per second C Celsius COM Computer Output Microform used in reference to a communication port CTS clear to send DB xx subminiature D connector where xx is the number of pins National Instruments Corporation G 1 Serial Hardware and Software for Windows Glossary DCD DCE DLL DMA DSR DTE DTR duplex EIA EMI FCC FIFO ft GND HSI HSO VO IRQ ISA Kbaud data carrier detect data communications equipment or data circuit terminating equipment dynamic link library direct memory access data set ready data terminal equipment data terminal ready the overscore denotes that the signal is active low the means of bandwidth usage in a serial system Electronic Industries Association electromagnetic interference Federal Communications Commission First In First Out feet ground handshake input handshake output Hertz Institute of
159. our kit to convert the 10 position modular jack to a DB 9 connector Use only the type of cables provided in your kit Serial Hardware and Software for Windows E 10 ni com Appendix E Specifications for AT Serial Hardware Environmental Characteristics Operating environment Component temperature 0 to 70 C Relative humidity ee 10 to 90 noncondensing Storage environment Temperature enisinia 40 to 120 C Relative humidity ee 5 to 90 noncondensing EMI AE senal tice od titieenteth eats FCC Class B verified AT serial isolated eeeeeeeeeenees FCC Class A verified Software Characteristics Maximum serial transfer rate 115 200 bps 1 Actual speed may vary considerably from speed shown due to system and instrumentation capabilities National Instruments Corporation E 11 Serial Hardware and Software for Windows Technical Support Resources Web Support National Instruments Web support is your first stop for help in solving installation configuration and application problems and questions Online problem solving and diagnostic resources include frequently asked questions knowledge bases product specific troubleshooting wizards manuals drivers software updates and more Web support is available through the Technical Support section of ni com NI Developer Zone The NI Developer Zone at ni com zone is the essential resource for building measurement and
160. ox shown in Figure 2 11 General Port Settings x F N I PCI 232 4 Serial Number 41417D PORT 1 COM Port Number 7 7 Tyenscenver Mode l 7 M FIFO Enabled Receive FIFO size f Low 8 High 56 Transmit FIFO size i i 1 Low 8 High 60 Cancel Resources OK Senet _fiewouces ok Figure 2 11 General Port Settings Dialog Box COM Port Number You can use the COM Port Number control to change the logical COMx name of the selected port Transceiver Mode The Transceiver Mode list box shows the transceiver mode in use and applies only to PCI 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware FIFO Enabled You can use the FIFO Enabled checkbox to enable or disable the FIFO buffers on the selected port FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver Serial Hardware and Software for Windows 2 22 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration FIFO Buffer Size The Receive FIFO size control sets the number of characters received in the FIFO before the PC is interrupted to read the data The Transmit FIFO size control sets the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data When you configure FIFO settings consider the following points e You can select larger FIFO buffer sizes to
161. ptional To determine which physical port is associated with COMx complete the following steps a Inthe Device Manager tab under Ports COM amp LPT double click on the serial port COMx b Click on the Port Settings tab to display the serial number of the serial hardware and the physical port number starting at 1 For all serial hardware PORT refers to the top port PORT2 refers to the next port down and so on 7 Run the diagnostic utility as follows select Start Programs National Instruments Serial Diagnostics The diagnostic utility verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly If the test is successful your serial hardware and software are installed properly If the test fails refer to Appendix D Troubleshooting and Common Questions to troubleshoot the problem 8 After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Settings The serial configuration utility is fully integrated into the Windows Me 9x Device Manager You can use it to view or change the configuration of your serial ports To configure a serial port complete the following steps 1 Select Start Settings Control Panel and double click on
162. r of interrupts your PC receives and therefore minimize system overhead e If transfer rates are high you can lower the Receive FIFO size value to prevent overrun errors due to interrupt latency e If your data transfer sizes are small and your Receive FIFO size value is above your data sizes your system is less efficient Therefore set the Receive FIFO size value below your data sizes Resources To view the resource configuration dialog box for the selected port click on the Resources button You cannot change these resources they are automatically assigned Serial Hardware and Software for Windows 3 22 ni com PCMCIA Serial Hardware Installation Verification and Configuration This chapter describes how to install the NI Serial software and PCMCIA serial hardware and how to verify the installation It also describes how to view or change the communication port settings To begin your installation see the section of this chapter containing instructions for your operating system Windows 2000 Windows Me 9x or Windows NT Windows 2000 Install the Software Before you install your serial hardware complete the following steps to install the NI Serial software for Windows 2000 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears 3 Click on the Add New Programs button and then the CD or Floppy button 4 When prompt
163. r serial board To install your PXI serial board complete the following steps 1 A Rw N Turn off your PXI or CompactPCI chassis Keep the chassis plugged in so that it remains grounded while you install the PXI serial board Find an unused PXI or CompactPCI 5 V peripheral slot Remove the corresponding filler panel Touch a metal part on your chassis to discharge any static electricity Insert the PXI serial board into the 5 V slot Use the injector ejector handle to fully inject the device into place Figure 3 1 shows how to install the PXI serial board into a PXI or CompactPCI chassis Serial Hardware and Software for Windows 3 2 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration 1 Injector Ejector Handle In Down 3 PXI Chassis Position 4 Injector Ejector Rail 2 PXI Serial Board Figure 3 1 Installing the PXI Serial Board 6 Screw the PXI serial board front panel to the front panel mounting rail of the PXI or CompactPCI chassis 7 Turn on your PXI or CompactPCI chassis and start Windows 2000 Windows 2000 should automatically detect your hardware and display the Found New Hardware Wizard Complete the wizard by clicking Next in each window and then Finish If the Found New Hardware Wizard does not appear refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions The serial hardware installation
164. ral Port Settings x F PxI 8422 Isolated RS 232 4 Ports Serial Number 345762 PORT 1 COM Port Number bt Isanscenver Mode 7 M FIFO Enabled Receive FIFO size 1 i Low 8 High 60 Transmit FIFO size if f Low 8 High 56 Cancel Besources Figure 3 11 General Port Settings Dialog Box COM Port Number You can use the COM Port Number control to change the logical COMx name of the selected port Transceiver Mode The Transceiver Mode list box shows the transceiver mode in use and applies only to RS 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware FIFO Enabled You can use the FIFO Enabled checkbox to enable or disable the FIFO buffers on the selected port FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver National Instruments Corporation 3 21 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configuration FIFO Buffer Size The Receive FIFO size control sets the number of characters received in the FIFO before the PC is interrupted to read the data The Transmit FIFO size control sets the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data When you configure FIFO settings consider the following points e You can select larger FIFO buffer sizes to reduce the numbe
165. ransmit Buffer Low 8 sM J High 56 56 COM Port Number comiss Transceiver Mode 4 Wire x 4 wire 2 Wire DTR Controlled With Echo 2 Wire DTR Controlled 2 Wire TxAidy Auto Figure 3 4 Advanced Settings Dialog Box The following sections describe the advanced settings options Transceiver Mode This field shows the transceiver mode in use and applies only to RS 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware Use FIFO Buffers FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver The Receive Buffer control sets the number of characters received in the FIFO before the PC is interrupted to read the data The Transmit Buffer control sets the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data When you configure FIFO settings consider the following points e You can select larger FIFO buffer sizes to reduce the number of interrupts your PC receives and therefore minimize system overhead e If transfer rates are high you can lower the Receive Buffer value to prevent overrun errors due to interrupt latency e If your data transfer sizes are small and your Receive Buffer value is above your data sizes your system is less efficient Therefore set the Receive Buffer value below your data sizes Serial Hardware and Software for Window
166. rces 2 23 3 22 4 21 5 24 general programming requirements 6 1 getting started 1 2 glossary G 1 Serial Hardware and Software for Windows l 4 H half duplex B 4 half duplex system figure B 4 hardware installation AT Windows 2000 5 2 AT Windows Me 9x 5 10 AT Windows NT 5 19 getting started 1 2 PCI Windows 2000 2 2 PCI Windows Me 9x 2 10 PCI Windows NT 2 18 PCMCIA Windows 2000 4 2 PCMCIA Windows Me 9x 4 9 PCMCIA Windows NT 4 17 PXI Windows 2000 3 2 PXI Windows Me 9x 3 10 PXI Windows NT 3 17 verification AT Windows 2000 5 4 AT Windows Me 9x 5 12 AT Windows NT 5 21 PCI Windows 2000 2 4 PCI Windows Me 9x 2 12 PCI Windows NT 2 20 PCMCIA Windows 2000 4 3 PCMCIA Windows Me 9x 4 10 PCMCIA Windows NT 4 18 PXI Windows 2000 3 4 PXI Windows Me 9x 3 11 PXI Windows NT 3 19 hardware specifications AT E 9 PCI E 1 PCMCIA E 8 PXI E 5 ni com Index l verification installation AT 5 1 AT serial board installation figure 5 3 PCI 2 1 5 11 5 20 PCMCIA 4 1 PXI 3 1 determining port associated with COMx Windows Me 9x 4 12 5 14 Windows NT 4 18 5 21 getting started 1 2 installing the PnP ISA Enabler Driver 5 18 PCI serial board installation figure 2 3 2 11 2 19 PCMCIA serial card installation figure 4 3 4 10 4 17 PXI serial board installation figure 3 3 3 10 3 18 running the diagnostic test AT Windows Me 9x 5 14 AT Windows NT 5 21 PCMCIA
167. rces PCI and PXI Boards When the Device Manager indicates a conflict with another device you can usually correct the problem by manually selecting conflict free resources To do so complete the following steps 1 Select Start Settings Control Panel and double click on the System icon Click on the Device Manager tab and click on the View devices by type button Double click on the Multi function adapters icon From the Multi function adapters list double click on the serial interface that you want to change Click on the Resources tab Uncheck the Use automatic settings checkbox and click on the Change Setting button If the system does not allow you to change the settings select the configuration that gives you a conflict free base address and interrupt level from the Setting based on list box Click on the OK button to save your changes AT Boards When the Device Manager indicates a conflict with another device you can usually correct the problem by manually selecting conflict free resources To do so complete the following steps l 2 3 Select Start Settings Control Panel Double click on the System icon Select the Device Manager tab and click on the View devices by type button at the top of the page Double click on the Ports COM amp LPT icon A list of installed ports appears Double click on the name of the serial port you want to change then click on the Resources tab ays Note To ch
168. re Otherwise continue to Step 6 If your hardware is already installed restart Windows Me 9x Windows Me 9x should automatically detect your hardware and display one or more New Hardware Found dialog boxes but you must make sure Windows Default Driver is selected and click on OK When you finish continue to the Verify the Installation section If no New Hardware Found dialog box appears refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions This section describes how to install your AT serial hardware Sy Note If you are installing a AT 485 you might need to adjust the value of the bias resistors depending on your application For more information refer to Appendix B Serial Port Information UN Caution Before you remove your board from the package touch the antistatic plastic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on your serial board To install your AT serial board complete the following steps 1 Turn off your computer Keep the computer plugged in so that it remains grounded while you install the AT serial board Remove the top or side cover of the computer Find an unused AT expansion slot in your computer Remove the corresponding expansion slot cover on the back panel of the computer Touch a metal part on your chassis to discharge any static electricity Insert the AT se
169. re a breakout box which is included in your kit to separate the 100 position connector to 16 DB 9 connectors Serial Hardware and Software for Windows E 6 ni com Appendix E Specifications for PXI Serial Hardware Environmental Characteristics Operating environment Component temperature 0 to 70 C Relative humidity eee 10 to 90 noncondensing Storage environment Temperature saiesiiniansi nistas 40 to 120 C Relative humidity ee 5 to 90 noncondensing EM erinin nioa r ENAA FCC Class A Verified Software Characteristics Maximum serial transfer rate RS 485 ais akinesia 460 800 bps RS 22 0s ar EERE EEA 115 200 bps 1 Actual speed may vary considerably from speed shown due to system and instrumentation capabilities National Instruments Corporation E 7 Serial Hardware and Software for Windows Appendix E Specifications for PCMCIA Serial Hardware PCMCIA Serial Hardware Hardware Specifications DIMENSIONS arnie oenas 85 6 by 54 0 by 0 5 cm 3 370 by 2 126 by 0 197 in VO COMME COE rninn ainssi Special cable with DB 9 Dsub connector and converter for PC card Power requirement from PCMCIA expansion slot PCMCIA 23 2 repes n 5 VDC 40 mA typical PCMCIA 485 annans 5 VDC 100 mA typical PCMCTA 232 2 sssi eccseeceeseeeeereeeee 5 VDC 60 mA typical PCMCTA 485 2 niinno 5 VDC 100 mA typical PCMCTA 232 4 eisenii 5 VDC 60 mA typical Operating environment Component temperature
170. red when you open a port on a serial interface You can also set the hardware transceiver control mode from within a DOS application For each port you want to control write the control byte for the mode you want to select to the scratch register of the UART Table 6 2 shows the control bytes for each mode National Instruments Corporation 6 3 Serial Hardware and Software for Windows Chapter 6 Using Your Serial Hardware Table 6 2 Transceiver Mode Control Bytes Transceiver Mode Control Byte Four wire mode 0x00 Two wire mode DTR with echo 0x01 Two wire mode DTR controlled 0x02 Two wire mode TXRDY auto control 0x03 The scratch register is located at offset 7 from the base address of the port For example if COM2 were located at base address 0x3F8 and you want to set the board to two wire mode with DTR control you would write a 0x02 to address 0x3FF The board would immediately switch to the two wire mode with DTR control Windows NT To set the transceiver control mode use the serial configuration utility For instructions on how to use the utility refer to chapter with installation instructions for your hardware platform The mode you select in the configuration utility is automatically configured when you open a port on a serial interface Setting the Transceiver Mode with DeviceloControl The NI Serial software extends the DeviceIoCont rol Windows function for programming the transceiver cont
171. reduce the number of interrupts your PC receives and therefore minimize system overhead e If transfer rates are high you can lower the Receive FIFO size value to prevent overrun errors due to interrupt latency e If your data transfer sizes are small and your Receive FIFO size value is above your data sizes your system is less efficient Therefore set the Receive FIFO size value below your data sizes Resources To view the resource configuration dialog box for the selected port click on the Resources button You cannot change these resources they are automatically assigned National Instruments Corporation 2 23 Serial Hardware and Software for Windows PXI Serial Hardware Installation Verification and Configuration This chapter describes how to install the NI Serial software and PXI serial hardware and how to verify the installation It also describes how to view or change the communication port settings To begin your installation see the section of this chapter containing instructions for your operating system Windows 2000 Windows Me 9x or Windows NT Windows 2000 Install the Software Before you install your serial hardware complete the following steps to install the NI Serial software for Windows 2000 1 2 National Instruments Corporation Select Start Settings Control Panel Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears Click on th
172. ree resources to your serial hardware For instructions refer to the Selecting Conflict Free Resources section of Appendix D Troubleshooting and Common Questions You may have to free an interrupt request level so that one can be assigned to your serial hardware For instructions refer to the Freeing an Interrupt Request Level section in Appendix D Troubleshooting and Common Questions When you have finished verifying the hardware resources proceed to the next section National Instruments Corporation 5 13 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration Determine Which Physical Port Is Associated with COMx For every port of the newly installed serial interface double click on the name of the serial port in the Device Manager Then click on the Port Settings tab The top of this page displays the serial number of the serial hardware and the physical port number starting at 1 On all serial hardware PORTI refers to the top port PORT2 refers to the next port down and so on When you have finished verifying the driver installation and physical port proceed to the next section Run the Diagnostic Test To verify and test the installation run the diagnostic program that came with your NI Serial software The diagnostic program verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else i
173. refer to the next section Port Settings Tab Sy Note Transceiver modes apply to RS 485 interfaces only For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware 5 To save your changes click on the OK button To exit without saving the changes click on the Cancel button Port Settings Tab In the Port Settings tab you can change any of the settings by clicking on the arrow button to the right of a field When you click on the arrow button a list of valid values for that field appears and you can select the desired setting from the list Figure 3 3 shows the Port Settings tab Serial Hardware and Software for Windows 3 6 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration N I PXI 8421 RS 485 2 Ports Port 1 COM161 Properties 2 xi Figure 3 3 Port Settings Tab Advanced Settings To view or change the advanced settings click on the Advanced button Figure 3 4 shows the Advanced Settings dialog box National Instruments Corporation 3 7 Serial Hardware and Software for Windows Chapter 3 PXI Serial Hardware Installation Verification and Configuration Advanced Settings for COM159 v Use FIFO buffers requires 16550 compatible UART OK Select lower settings to correct connection problems Cancel Select higher settings for faster performance Defaults Receive Buffer Low 8 a High 60 60 T
174. required for a serial interface D 17 D 23 determining port associated with COMx Windows 2000 D 4 Windows Me 9x D 15 Windows NT D 22 determining type of serial hardware installed Windows 2000 D 4 Windows Me 9x D 14 Windows NT D 22 determining version of NI Serial software installed Windows 2000 D 4 Windows Me 9x D 15 Windows NT D 22 diagnostic test failure Windows 2000 D 4 Windows Me 9x D 15 Windows NT D 22 maximum supported baud rate Windows 2000 D 5 Windows Me 9x D 17 Windows NT D 23 naming National Instruments serial ports Windows 2000 D 4 Windows Me 9x D 15 Windows NT D 22 removing information about serial boards from Device Manager Windows 2000 D 5 Windows Me 9x D 17 Windows 2000 D 4 Windows Me 9x D 14 Windows NT D 22 Serial Hardware and Software for Windows communication port settings viewing or changing Windows 2000 2 5 3 5 4 5 5 5 Windows Me 9x 2 14 3 13 4 13 5 14 Windows NT 2 21 3 20 4 19 5 22 ComponentWorks 1 9 ComponentWorks 1 9 configuration resource settings 5 24 conflict free resources D 7 selecting D 7 connecting cables A 1 connecting cables to four port PCI serial board figure A 5 connecting two wire devices A 1 conventions xiii customer education F 1 D DB 25 connector A 4 pin descriptions table A 4 pin locations figure A 4 DB 9 100 pin connector pin descriptions figure A 8 100 pin connector pin descriptions table A 9 68 pin con
175. resources were assigned properly the Resources tab shows which resources are assigned to your serial ports d Check the hardware resources If they are in conflict refer to the previous section Troubleshooting Diagnostic Messages 2 In some versions of Windows Me 9x in the Device Manager the Driver tab shows information about the installed driver Make sure that the National Instruments serial driver is installed for the port If the serial driver is a Microsoft driver reinstall the NI Serial software For instructions on how to do so refer to the installation and verification chapter for your hardware platform 3 Physically make sure the correct number of boards ports are installed Address Test Failed If the address test failed Interrupt test cannot be performed error message appears you might have an address conflict with legacy boards in your system To solve this problem change the base addresses assigned to your legacy boards and refer to the Resolving Resource Conflicts with Legacy Boards section later in this appendix Interrupt Test Failed Ifthe Interrupt test failed error message appears you might have an IRQ conflict with legacy boards in your system To solve this problem change the IRQ level assigned to your legacy boards and refer to the next section Resolving Resource Conflicts with Legacy Boards Serial Hardware and Software for Windows D 10 ni com Appendix D Troubleshooting and Common Questions Re
176. rial Board oe eee eeeeeeeeeeeseeneeeseeneeeneenes 3 10 Figure 3 6 Device Manager for PXI Serial Board Ports eee cesses eeeeeees 3 12 Figure 3 7 Port Setting Tab mie enne anonn eena ie Ea EDR r EER ES Tii 3 15 Figure 3 8 Advanced Settings Dialog BOX sesessesssreseessesresrsresreresresesresrsresresesees 3 16 Figure 3 9 Installing the PXI Serial Board sssessesseesesesesesresrssesresrsrenreresresreees 3 18 Figure 3 10 niports Configuration Utility seeeseeeeseseseessseesresesresreresresteresrrersresreees 3 20 Figure 3 11 General Port Settings Dialog BOX ssesssssesssseessesreresrssesresrsresreresresreees 3 21 Figure 4 1 Inserting a PCMCIA Serial Card 0 eeeeseeeeeeeeeeeeseeseenseeaes 4 3 Figure 4 2 Device Manager for PCMCIA Serial Card Ports seeeeeeeeeeeeeeeee 4 4 Serial Hardware and Software for Windows X ni com Contents Figure 4 3 Port Settings Tab ceceseeseeeeceeeesecseeeseeseensecsesnseeseenseeseenaes 4 6 Figure 4 4 Advanced Settings Dialog BOX oo eee ceeeeeseeneeeeeeseeesecaeenseeneenees 4 7 Figure 4 5 Inserting a PCMCIA Serial Card eee ceeeceeseceeeneeeeeteseeeeseenees 4 10 Figure 4 6 Device Manager Ports List for PCMCIA Serial Card Correctly Installed siseste eirinen ien sireni 4 11 Figure 4 7 Port Settings Tab siisi riesana ia aariaa sa oa I aiina 4 14 Figure 4 8 Advanced Port Settings Dialog BOX essessseessessrsresseersresreresreresresrseeses 4 15 Figure 4 9 Inserting a
177. rial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Use FIFO Buffers FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver The Receive Buffer control sets the number of characters received in the FIFO before the PC is interrupted to read the data The Transmit Buffer control sets the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data When you configure FIFO settings consider the following points You can select larger FIFO buffer sizes to reduce the number of interrupts your PC receives and therefore minimize system overhead If transfer rates are high you can lower the Receive Buffer value to prevent overrun errors due to interrupt latency If your data transfer sizes are small and your Receive Buffer value is above your data sizes your system is less efficient Therefore set the Receive Buffer value below your data sizes Restore Defaults To reset the fields to their default values at any time click on the Restore Defaults button Windows Me 9x Install the Software Install the NI Serial software for Windows Me 9x before you install the hardware 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon in the Control Panel to launch the Add Remove Programs applet The Add Remove Programs dialog box appears 3 Click
178. rial board into the slot with the serial connectors toward the opening on the back panel Make sure that you insert the board all the way into the slot The board might seem to click firmly into place even though it is only part of the way in Figure 5 5 shows how to install the AT serial board into an expansion slot Serial Hardware and Software for Windows 5 10 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration 1 PC 2 AT Socket 3 AT Serial Card Figure 5 5 AT Serial Board Installation 7 Screw the AT serial board mounting bracket to the back panel mounting rail of the computer Replace the cover 9 Turn on your computer and start Windows Me 9x 10 Watch for Windows Me 9x to display one or more New Hardware Found dialog boxes In the dialog box select Windows Default Driver and click on OK If no New Hardware Found dialog box appears refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions The serial hardware installation is complete Continue to the next section Verify the Installation National Instruments Corporation 5 11 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration Verify the Installation When you begin to verify the installation keep in mind that the serial ports built into the computer are typically named from COMI to COM4 Windows Me
179. rial port parameters for the current port click on the OK button to save the changes or click on the Cancel button to exit the dialog box without saving changes National Instruments Corporation 4 13 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Port Settings Tab On the Port Settings tab you can change any of the settings by clicking on the arrow button to the right of the setting When you click on the arrow button a list of valid values for that setting appears Select the desired setting from the list Figure 4 7 shows the Port Settings tab N I PCMCIA 232 2 Communications Port COM2 Pro FA EG Figure 4 7 Port Settings Tab Serial Hardware and Software for Windows 4 14 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Advanced Port Settings You can view or change the advanced port settings by clicking on the Advanced button on the Port Settings tab Figure 4 8 shows the Advanced Port Settings dialog box Advanced Port Settings x Transceiver Mode 4 wire 7 4 wire 2 wire DTR echo 2 wire DTR ctrl E M Use FIFO buffers ETA z j Cancel Select lower settings to corect connection problems Select higher settings for faster performance Defaults Receive Buffer Low 1 z _ _ High 14 Transmit Buffer Low 1 3 J High 16 Figure 4 8 Advanced Port Se
180. rol mode To program the transceiver control mode using DeviceIoControl complete the following steps 1 Add the following lines to your source code include lt winioctl h gt define IOCTL SERIAL SET TRANSCEIVER MODE CTL CODE FILE DEVICE SERIAL PORT 37 METHOD BUFFERED FILE ANY ACCESS 2 Use the Win32 function DeviceIoControl as follows a Use the defined control code value listed in step 1 to set the transceiver mode b Use the input buffer values unsigned long listed in Table 6 3 for programming different transceiver modes Serial Hardware and Software for Windows 6 4 ni com Chapter 6 Using Your Serial Hardware Table 6 3 DeviceloControl Function Input Values DeviceloControl Transceiver Mode Function Input Value Four wire mode 128 Two wire mode DTR with echo 129 Two wire mode DTR controlled 130 Two wire mode TXRDY auto control 131 National Instruments Corporation For example to set TXRDY two wire auto control mode use the following code Windows 2000 ULONG TranceiverMode 131 ULONG dummy DeviceloControl hDevice IOCTL SERIAL SET TRANSCEIVER MODE PVOID amp TransceiverMode sizeof ULONG NULL 0 amp dummy NULL Windows NT Me 9x ULONG TranceiverMode 131 DeviceloControl hDevice IOCTL SERIAL SET TRANSCEIVER MODE PVOID amp TransceiverMode sizeof ULONG lpOutBuffer nOutBufferSize lpBytesReturned lpOverlapped 6 5 Seria
181. roubleshooting Diagnostic Messages 2 In some versions of Windows Me 9x in the Device Manager the Driver tab shows information about the installed driver Make sure that the National Instruments serial driver is installed for the port If the serial driver is a Microsoft driver reinstall the NI Serial software For instructions on how to do so refer to the installation and verification chapter for your hardware platform 3 Make sure that the National Instruments serial driver is installed as follows a Locate the niserial vxd file in the Windows system directory b Ifthe niserial vxd file is missing reinstall the hardware and software For instructions on how to do so refer to the installation and verification chapter for your hardware platform National Instruments Corporation D 9 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions Diagnostic Utility Does Not Show All Installed Ports If the diagnostic utility does not show all the ports you installed complete the following steps 1 Verify the hardware resources as follows a Inthe Device Manager tab under Multi function adapters double click on a serial board b Ifa serial board is missing from the Multi function adapters list reinstall the hardware and software For instructions on how to do so refer to the installation and verification chapter for your hardware platform c Click on the Resources tab If the
182. rt Settings The serial configuration utility is fully integrated into the Windows NT Control Panel You can use it to view or change the configuration of your serial ports To configure a serial port complete the following steps 1 Select Start Settings Control Panel and double click on the niports icon A list of installed National Instruments ports appears as shown in Figure 2 10 National Instruments Ports x Ports COM _N I PCI Close COMS N I PCI 232 COMS N I PCI Dh COME N I PCI 232 4 Settings a Delete Add a New PCMCIA card PCMCI4 485 he Add Figure 2 10 niports Configuration Utility 2 Select the port that you want to configure and refer to the following instructions e To remove hardware information about the port from Windows NT click on the Delete button You should do this before you remove your hardware e To view or change the port settings click on the Settings button For more information about the settings refer to the next section General Port Settings e In the General Port Settings dialog box click on the Resources button to view the resources for the port National Instruments Corporation 2 21 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration General Port Settings The following sections describe the options you can set in the General Port Settings dialog b
183. s 3 8 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration Restore Defaults To reset the fields to their default values at any time click on the Restore Defaults button Windows Me 9x Install the Software Before you install your serial hardware complete the following steps to install the NI Serial software for Windows Me 9x l 2 National Instruments Corporation Select Start Settings Control Panel Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears Click on the Install button When prompted insert the N Serial Software for Windows 2000 NT Me 9x CD and click on the Next button The setup wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software To go back and change values where appropriate click on the Back button To exit the setup wizard at any time click on the Cancel button If you need to install your hardware or if this is your first time to install the NI Serial software for Windows Me 9x skip to the next section Install the Hardware Otherwise continue to step 6 If your hardware is already installed restart Windows Me 9x Windows Me 9x should automatically detect your hardware and display one or more New Hardware Found dialog boxes Make sure that Windows Default Driver is selected and click on the OK button When you finish continue to the Verify the Installation section
184. s Corporation C 11 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and Software PCMCIA Hardware Windows 2000 Uninstall the Hardware Before you physically remove the serial hardware from your system you must remove the hardware information To do so complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Select the Hardware tab and click on the Device Manager button Double click on the Multi function adapters icon 4 From the Multi function adapters list right click on the National Instruments interface that you want to uninstall as shown in Figure C 7 m 4 Device Manager Action View je a mlg e iia My Computer Computer Disk drives Display adapters 23 DYD CD ROM drives Floppy disk controllers J 0 0 0 e F F amp Floppy disk drives IDE ATA ATAPI controllers 2 Keyboards A Mice and other pointing devices 3 Monitors lt Y Multifunction adapters R921 PCMCIA 4 Multi Function Parent 89 Network adapters Disable oy Ports COM amp LPT J Communications Port COM3 N I PCMCI4 232 4 Communications Port F N I PCMCIA4 232 4 Communications Por J N I PCMCI4 232 4 Communications Port 3 COM38 oy N I PCMCIA 232 4 Communications Port 4 C
185. section Determine Which Physical Port Is Associated with COMx For every port of the newly installed serial interface double click on the name of the serial port in the Device Manager Then click on the Port Settings tab The top of this page displays the serial number of the serial hardware and the physical port number starting at 1 When you have finished verifying the driver installation and physical port proceed to the next section Run the Diagnostic Test To verify and test the installation run the diagnostic program that came with your NI Serial software The diagnostic program verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly To run the test select the diagnostics item under Start Programs National Instruments Serial If the diagnostic test completes with no failures your serial hardware and software are installed properly If it fails refer to Appendix D Troubleshooting and Common Questions for troubleshooting instructions Serial Hardware and Software for Windows 4 12 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration After you verify the hardware and software installation connect the cables See Appendix A Connector Descriptions for information about cable connections Configure Communication Port Set
186. section Verify the Installation Verify the Installation Determine Which Physical Port Is Associated with COMx Select Start Settings Control Panel and double click on niports A list showing installed National Instruments ports with their logical COMx names appears If your interface is not on the list refer to Appendix D Troubleshooting and Common Questions Select the COM port you want and click on the Settings button to display the General Port Settings dialog box for that port This dialog box displays the physical port number starting at 1 When you have finished verifying the driver installation and physical port proceed to the next section Run the Diagnostic Test Run the Diagnostic Test To verify and test the installation run the diagnostic program that came with your NI Serial software The diagnostic program verifies that your serial driver is installed properly that the configuration of your hardware does not conflict with anything else in your system and that the serial driver can communicate with your hardware correctly To run the test select the diagnostics item under Start Programs National Instruments Serial Serial Hardware and Software for Windows 4 18 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration If the diagnostic test completes with no failures your serial hardware and software are installed properly If it fails refer to Appendix D Troubleshooting and
187. serial I O functions in LabVIEW and Measurement Studio with your serial interface If you already have one or more of these applications and want to use them with your serial interface refer to your product documentation for information about serial I O functions For ordering information contact National Instruments National Instruments Corporation 1 9 Serial Hardware and Software for Windows PCI Serial Hardware Installation Verification and Configuration This chapter describes how to install the NI Serial software and PCI serial hardware and how to verify the installation It also describes how to configure the communication port settings To begin your installation see the section of this chapter containing instructions for your operating system Windows 2000 Windows Me 9x or Windows NT Windows 2000 Install the Software Before you install your serial hardware complete the following steps to install the NI Serial software for Windows 2000 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon The Add Remove Programs dialog box appears 3 Click on the Add New Programs button and then the CD or Floppy button 4 When prompted insert the N Serial Software for Windows 2000 NT Me 9x CD and click on the Next button 5 When prompted click on the Finish button to install the program files from the CD 6 The setup wizard begins The setup wizard guides you through the
188. settings refer to the next section Port Settings Tab e To change the RS 485 transceiver mode or to enable or disable the FIFOs on the serial hardware in the Port Settings tab click on the Advanced button For more information about the settings refer to the next section Port Settings Tab 3 Note Transceiver modes apply to RS 485 interfaces only For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware 5 To save your changes click on the OK button To exit without saving the changes click on the Cancel button Port Settings Tab In the Port Settings tab you can change any of the settings by clicking on the arrow button to the right of a field When you click on the arrow button a list of valid values for that field appears and you can select the desired setting from the list Figure 2 3 shows the Port Settings tab Serial Hardware and Software for Windows 2 6 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration N I PCI 232 8 Communications Port 1 COM36 Properties zi xi Figure 2 3 Port Settings Tab National Instruments Corporation 27 Serial Hardware and Software for Windows Chapter 2 PCI Serial Hardware Installation Verification and Configuration Advanced Settings To view or change the advanced settings click on the Advanced button Figure 2 4 shows the Advanced Settings dialog box Advanced Settings for COM159 E m
189. sing serial port in the niports list D 18 modular jack connector A 3 pin descriptions table A 3 pin locations figure A 3 multidrop network using terminating resistors figure B 5 multi function adapter class in the Device Manager figure D 17 naming National Instruments serial ports standard DOS based addresses table D 15 Windows 2000 D 4 Windows Me 9x D 15 Windows NT D 22 National Instruments Web support F 1 NI Developer Zone F 1 niports configuration utility figure AT 5 22 PCI 2 21 PCMCIA 4 19 PXI 3 20 null modem cabling in a DTE to DTE interface figure B 7 number of interrupts required for a serial interface D 17 0 optional equipment 1 3 overview of serial hardware AT 1 6 PCI 1 3 Serial Hardware and Software for Windows l 6 PCMCIA 1 6 PXI 1 4 overview of serial software 1 8 P PCI serial board installation figure 2 3 2 11 2 19 PCMCIA card installation figure 4 3 4 10 4 17 pin descriptions 100 pin connector pin descriptions figure A 8 100 pin connector pin descriptions table A 9 68 pin connector pin descriptions figure A 6 68 pin connector pin descriptions table A 7 DB 25 connector A 4 connector pin descriptions table A 4 connector pin locations figure A 4 DB 9 100 pin description table A 9 68 pin description table A 7 connector A 2 connector pin descriptions table A 2 connector pin locations figure A 2 PnP port configuration
190. solving Resource Conflicts with Legacy Boards Resource conflicts typically occur if your system contains legacy boards that use resources that are not reserved properly If a resource conflict exists write down the resource that caused the conflict and refer to the Microsoft Windows Me 9x user s guide for instructions on how to use the Device Manager to reserve I O and IRQ resources for legacy boards Forcing Windows to Detect Your Hardware PCI and PXI Hardware If Windows Me 9x did not display the New Hardware Found dialog box it did not detect your hardware To solve this problem complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Device Manager tab and click on the View devices by type button 3 Double click on the Other Devices icon Windows Me 9x lists the boards it does not recognize under Other Devices 4 Double click on the Multi function adapters icon where Windows Me 9x lists the parent devices of the PCI or PXI ports National Instruments Corporation D 11 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions 5 Serial Hardware and Software for Windows Select the interface that Windows Me 9x did not detect as shown in Figure D 2 This example shows a PCI interface System Properties 21x General Device Manager Hardware Profiles Performance View devices by type View devices by conne
191. stem before you insert it Windows 2000 should automatically detect your hardware and display the Found New Hardware Wizard Complete the wizard by clicking Next in each window and then Finish If the Found New Hardware Wizard does not appear refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions Serial Hardware and Software for Windows 4 2 ni com Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Figure 4 1 shows how to insert a PCMCIA serial card and how to connect the cable 1 PCMCIA Socket 2 PCMCIA Serial Cable Figure 4 1 Inserting a PCMCIA Serial Card The serial hardware installation is complete Continue to the next section Verify the Installation Verify the Installation To verify the hardware and software installation complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Click on the Hardware tab and click on the Device Manager button 3 Double click on the Ports COM amp LPT icon to display all of the ports 4 Double click on the Multi function adapters icon The PCMCIA serial cards are configured as devices belonging to the multi function adapters class The multi function parent device is listed under the Multi function adapters icon and each child device is listed as a port under the Ports COM amp LPT icon National Instrumen
192. struments ports appears as shown in Figure 5 10 National Instruments Ports Eg Ports Settings COMS N I AT 232 4 zj Delete Add a New PCMCIA card PCMCIA 485 Add Figure 5 10 niports Configuration Utility 2 Select the port you are interested in 3 Click on the Settings button to view or configure the port settings Refer to the next section General Port Settings for more information Serial Hardware and Software for Windows 5 22 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration 4 Click on the Resources button in the General Port Settings dialog box to view or configure the resources for the port Refer to the Resource Settings section later in this chapter for more information 5 Click on Delete to remove hardware information about the port from Windows NT You should do this before you remove the serial interface from the system General Port Settings This section describes the options you can set in the General Port Settings dialog box shown in Figure 5 11 General Port Settings Eg Aj N I AT 232 4 ISA PnP Serial Number 00QA588D0 PORT 2 COM Port Number i iyensceiver Mode a I FIFO Enabled Cancel Resources OK Cee _Besowces Figure 5 11 General Port Settings Dialog Box COM Port Number You can use the COM Port Number control to change the COMx name of the port selected Transceiver Mode The transceiver mo
193. surges fire flood accident actions of third parties or other events outside reasonable control Copyright Under the copyright laws this publication may not be reproduced or transmitted in any form electronic or mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporation Trademarks CVI LabVIEW National Instruments ni com and PXI are trademarks of National Instruments Corporation Product and company names mentioned herein are trademarks or trade names of their respective companies WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS 1 NATIONAL INSTRUMENTS PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN 2 IN ANY APPLICATION INCLUDING THE ABOVE RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS CAN BE IMPAIRED BY ADVERSE FACTORS INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY COMPUTER HARDWARE MALFUNCTIONS COMPUTER OPERATING SYSTEM SOFTWARE FITNESS FITNESS OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION INSTALLATION ERRORS SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS MALFUNCTIONS OR FAILURES O
194. tWorks for Microsoft Visual C programmers and ComponentWorks for Microsoft Visual C programmers Measurement Studio is designed for building measurement and automation applications with the programming environment of your choice e LabWindows CVI is an interactive ANSI C programming environment designed for building virtual instrument applications LabWindows CVI delivers a drag and drop editor for building user interfaces a complete ANSI C environment for building your test program logic and a collection of automated code generation tools as well as utilities for building automated test systems monitoring applications or laboratory experiments e ComponentWorks for Visual Basic is a collection of ActiveX controls designed for building virtual instrumentation systems Based on ActiveX technology ComponentWorks controls are configured through simple property pages You can use the ComponentWorks GPIB Serial and VISA I O controls and property pages to set up communication with your instruments e ComponentWorks for Visual C takes advantage of integrated C libraries and ActiveX to help you build measurement and automation applications With the ComponentWorks instrument classes you can use the IEEE 488 2 library and VISA an industry standard I O library to communicate with GPIB VXI or Serial devices using the same set of components After you install your serial hardware and the NI Serial software you can use standard
195. talling an AT 485 you might need to adjust the value of the bias resistors depending on your application For more information refer to Appendix B Serial Port Information UN Caution Electrostatic discharge can damage several components on your board To avoid such damage in handling the board touch the antistatic plastic package to a metal part of your computer chassis before removing the board from the package National Instruments Corporation 5 19 Serial Hardware and Software for Windows Chapter 5 AT Serial Hardware Installation Verification and Configuration Complete the following steps to install your AT serial board 1 Turn off your computer Keep the computer plugged in so that it remains grounded while you install the AT serial board 2 Remove the top or side cover of the computer Remove the expansion slot cover on the back of the computer 4 Insert the AT serial board into an unused slot with the serial connectors sticking out of the opening on the back panel Make sure that you insert the board all the way into the slot The board may seem to click firmly into place even though it is only part of the way in Figure 5 9 shows the installation of an AT serial board 1 PC 2 AT Socket 3 AT Serial Card Figure 5 9 AT Serial Board Installation 5 Screw the mounting bracket of the AT serial board to the back panel rail of the computer 6 Replace the cover and turn on your computer Seri
196. tents Appendix D Troubleshooting and Common Questions Appendix E Specifications Appendix F Technical Support Resources Glossary Index Figures Figure 2 1 PCI Serial Board Installation 0 0 eee cece ceecseeeeeeeeeseeseeeaeeneeeaeenes 2 3 Figure 2 2 Device Manager for PCI Serial Board Ports 00 0 eee eeeeeeeeeeeeeeee 2 4 Figure 2 3 Port Set ngs Tabiin an ea e E E tenner edu oesecpte 2 7 Figure 2 4 Advanced Settings Dialog BOX s sesesesesseseseresrestsresreresresrsresresrsresrsees 2 8 Figure 2 5 PCI Serial Board Installation 00 0 eeeeeeeeeeeeeeeeseeneeeasenseeaes 2 11 Figure 2 6 Device Manager Tab for PCI Serial Board Ports eee eens 2 13 Figure 2 7 Port Settings Tab ossea nian lees veces desta E TS 2 16 Figure 2 8 Advanced Port Settings Dialog BOX oo eee eeeeseeseeeeeeeeneeeseeneeaes 2 17 Figure 2 9 Installing the PCI Serial Board oo eee eee eseeseeeeeeseeeenseeeeeaes 2 19 Figure 2 10 niports Configuration Utility eee ceeceeeseeeseeeeseeeatenseeaeenes 2 21 Figure 2 11 General Port Settings Dialog Box eee eseeeeeeeneeeateneeeseenes 2 22 Figure 3 1 Installing the PXI Serial Board oe eeeceeeeeseceeeeeeneeeseeneenseeaes 3 3 Figure 3 2 Device Manager for PXI Serial Board Ports eee eeeeeeeeeeeeeee 3 4 Figure3 3 Port Settings Tabirini seinneann rie esha e e a Sage es eceek 3 7 Figure 3 4 Advanced Settings Dialog BOX 0 0 eeceeeseeseeeseeeeeeeeaeeneeeaseneeeaes 3 8 Figure 3 5 Installing the PXI Se
197. ter Computer Disk drives Display adapters da DYD CD ROM drives Floppy disk controllers 3 0 0 0 F F amp Floppy disk drives IDE ATA ATAPI controllers Keyboards TA Mice and other pointing devices 3 Monitors lt Multifunction adapters Vv N I P 421 RS 89 Network adapters Disable ay Ports COM amp LPT Communications Port COM3 Scan for hardware changes 2 i Properties oy N I PXI 8421 R5 485 2 Ports Port 2 COM160 oy Printer Port LPT1 g Sound video and game controllers m System devices Universal Serial Bus controllers Figure C 4 Selecting an Interface to Uninstall National Instruments Corporation C 7 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and Software Windows Me 9x 5 Choose the Uninstall option 6 Inthe Confirm Device Removal dialog box click on the OK button to remove the hardware information or click on the Cancel button to cancel your request Uninstall the Software Before you uninstall the NI Serial software you must remove the hardware information from your system as described in the previous section To uninstall the NI Serial software complete the following steps 1 Select Start Settings Control Panel 2 Double click on the Add Remove Programs icon
198. ter Find an unused AT expansion slot in your computer Remove the corresponding expansion slot cover on the back panel of the computer Touch a metal part on your chassis to discharge any static electricity Insert the AT serial board into the slot with the serial connectors toward the opening on the back panel Make sure that you insert the board all the way into the slot The board might seem to click firmly into place even though it is only part of the way in Figure 5 1 shows how to install the AT serial board into an expansion slot Serial Hardware and Software for Windows 5 2 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration 1 PC 2 AT Socket 3 AT Serial Card Figure 5 1 AT Serial Board Installation 7 Screw the AT serial board mounting bracket to the back panel mounting rail of the computer Replace the cover 9 Turn on your computer and start Windows 2000 10 Windows 2000 should automatically detect your hardware and display the Found New Hardware Wizard Complete the wizard by clicking Next in each window and then Finish If the Found New Hardware Wizard does not appear refer to the Forcing Windows to Detect Your Hardware section in Appendix D Troubleshooting and Common Questions The serial hardware installation is complete Continue to the next section Verify the Installation National Instruments Corporation 5 3 Serial Hardware and Software for Windows
199. the NI Serial software you want to uninstall and click on the Add Remove button The uninstallation program removes all folders utilities and registry entries associated with the NI Serial software 4 Shut down Windows NT turn off your computer and physically remove the serial interfaces from your system The uninstallation program removes only items that the setup wizard installed If you added anything to a directory that the setup wizard created the uninstallation program does not delete that directory You must remove any remaining components yourself To reinstall the hardware and software refer to Chapter 2 PCI Serial Hardware Installation Verification and Configuration Serial Hardware and Software for Windows C 6 ni com Appendix C Uninstalling the Hardware and Software PXI Hardware Windows 2000 A Device Manager j lol x Uninstall the Hardware Before you physically remove the serial hardware from your system you must remove the hardware information To do so complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Select the Hardware tab and click on the Device Manager button Double click on the Multi function adapters icon 4 From the Multi function adapters list right click on the National Instruments interface that you want to uninstall as shown in Figure C 4 action vew e gt Gi 2 a aw My Compu
200. tings The serial configuration utility is fully integrated with the Windows Me 9x Device Manager You can use it to examine or modify the configuration of the serial port Follow these steps to configure the serial port Repeat the configuration procedure for each serial port in your system 1 3 4 Select Start Settings Control Panel and double click on the System icon The System Properties window appears Select the Device Manager tab and click on the View devices by type button at the top of the page Double click on the Ports COM amp LPT icon Double click on the name of the port you want to configure You can now view or change information about your serial port in the following ways Click on the Resources tab to view information about the hardware resources assigned to the serial port Click on the Port Settings tab to view information about the software configuration for the serial port Refer to the next section Port Settings Tab for more information On the Port Settings tab click on the Advanced button to change the RS 485 transceiver mode and to enable or disable the FIFOs on the serial hardware Refer to the next section Port Settings Tab for more information B Note If you use two wire TXRDY mode FIFOs must be enabled Transceiver modes apply to RS 485 interfaces only For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware After you have selected the se
201. tion To install your PXI serial board complete the following steps 1 Turn off your PXI or CompactPCI chassis Keep the PXI or CompactPCI chassis plugged in so that it remains grounded while you install the PXI serial board Find an unused PXI or CompactPCI 5 V peripheral slot Remove the corresponding filler panel Touch a metal part on your chassis to discharge any static electricity ee 2 be Insert the PXI serial board into the 5 V slot Use the injector ejector handle to fully inject the device into place Figure 3 9 shows how to install the PXI serial board into a PXI or CompactPCI chassis 1 Injector Ejector Handle In Down 3 PXI Chassis Position 4 Injector Ejector Rail 2 PXI Serial Board Figure 3 9 Installing the PXI Serial Board Serial Hardware and Software for Windows 3 18 ni com Chapter 3 PXI Serial Hardware Installation Verification and Configuration 6 Screw the PXI serial board front panel to the front panel mounting rail of the PXI or CompactPCI chassis 7 Turn on your PXI or CompactPCI chassis and start Windows NT The serial hardware installation is complete Continue to the next section Verify the Installation Verify the Installation To verify the hardware and software installation complete the following steps 1 Determine which physical port is associated with COM as follows a Select Start Settings Control Panel and double click on the niports ico
202. to correct connection problems dai Cancel Select higher settings for faster performance Defaults Receive Buffer Low 8 J High 60 60 Transmit Buffer Low J High ts 8 COM Port Number comiss Transceiver Mode 4 Wire 4 wire 2 Wire DTR Controlled With Echo 2 Wire DTR Controlled 2 Wire TxAdy Auto Figure 5 4 Advanced Settings Dialog Box The following sections describe the advanced settings options Transceiver Mode This field shows the transceiver mode in use and applies only to AT 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware Serial Hardware and Software for Windows 5 8 ni com Chapter 5 AT Serial Hardware Installation Verification and Configuration Use FIFO Buffers FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver The Receive Buffer control sets the number of characters received in the FIFO before the PC is interrupted to read the data The Transmit Buffer control sets the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data When you configure FIFO settings consider the following points You can select larger FIFO buffer sizes to reduce the number of interrupts your PC receives and therefore minimize system overhead If transfer rates are high you can lower the Receive Buffer value to prevent
203. top or side cover of the computer Find an unused PCI expansion slot in your computer Remove the corresponding expansion slot cover on the back panel of the computer Touch a metal part on your chassis to discharge any static electricity Insert the PCI serial board into the slot with the serial connectors toward the opening on the back panel Make sure that you insert the board all the way into the slot The board might seem to click firmly into place even though it is only part of the way in Figure 2 5 shows how to install the PCI serial board into an expansion slot Serial Hardware and Software for Windows 2 10 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration 1 PC 2 PCI Serial Board 3 PCI Slot Figure 2 5 PCI Serial Board Installation 7 Screw the PCI serial board mounting bracket to the back panel mounting rail of the computer Replace the cover 9 Turn on your computer and start Windows Me 9x 10 Windows Me 9x should automatically detect your hardware and display one or more New Hardware Found dialog boxes Your operating system Windows Me 9x may show the Windows Default Driver option If so make sure the Windows Default Driver is selected and click on the OK button If the Windows Default Driver option is not shown the installation continues automatically If no New Hardware Found dialog box appears refer to the Forcing Windows to Detect Your Hardware se
204. ts Corporation 4 3 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration Figure 4 2 shows the Device Manager tab for serial hardware that is installed properly Soevicemanager oP Action View je umela My Computer Computer amp Disk drives wj Display adapters da DVD CD ROM drives Floppy disk controllers 9 Floppy disk drives Sy IDE ATA ATAPI controllers Keyboards A Mice and other pointing devices 3 Monitors Multifunction adapters XQ N I PCMCI4 232 4 Multi Function Parent E Network adapters M PCMCIA adapters oy Ports COM amp LPT F Communications Port COM3 F N I PCMCIA4 232 4 Communications Port 1 COMS a N I PCMCIA 232 4 Communications Port 2 COM6 F N I PCMCIA 232 4 Communications Port 3 COM F N I PCMCI4 232 4 Communications Port 4 COM8 a Printer Port LPT1 g Sound video and game controllers x a DAoA nEn A AnA nA nanAnAng F F F Figure 4 2 Device Manager for PCMCIA Serial Card Ports 5 Verify the hardware resources as follows a Inthe Device Manager under Multi function adapters double click on a serial card b Click on the Resources tab If the resources were assigned properly the Resources tab shows which resources are assigned to your seria
205. ts Corporation E 3 Serial Hardware and Software for Windows Appendix E Specifications for PCI Serial Hardware Environmental Characteristics Operating environment Component temperature 0 0 to 70 C Relative humidity ee 10 to 90 noncondensing Storage environment Temperature neninn 40 to 120 C Relative humidity e 5 to 90 noncondensing EMI oscociseed scheieetticcuiid cieenaten ieee FCC Class A Verified Software Characteristics Maximum serial transfer rate IRS ee EERTE AE 460 800 bps RS 22 EER AR 115 200 bps 1 Actual speed may vary considerably from speed shown due to system and instrumentation capabilities Serial Hardware and Software for Windows E 4 ni com Appendix E Specifications for PXI Serial Hardware PXI Serial Hardware Two Port Boards DIMENSIONS sinnen hee ae 100 by 160 mm 3 94 by 6 30 in TW O CONMCCION Ss ariens iasanen DB 9 Power requirement from PXI channel PXI 8420 2 S VDG iann 100 mA typical 150 mA maximum t12 VDC vite xeon sintinnls 20 mA typical 200 mA maximum PXI 8421 2 SNV DGri kannon 350 mA typical 750 mA maximum PXI 8422 2 5 VDC nai 400 mA typical 650 mA maximum PXI 8423 2 FS VDC xi eiennenn 800 mA typical 1300 mA maximum Four Port Boards Dimensions nnsnn nisrani 100 by 160 mm 3 94 by 6 30 in VO connector s ssssssssssesessesiesesrssesrssesree 10 position modular jack Power requirement from PXI channel PXI 8420 4 O A
206. ts List section earlier in this appendix 2 Select a COM port and click on the Settings button The General Port Settings dialog box displays the serial number of the serial hardware and the physical port number starting at 1 For all serial hardware PORT refers to the top port PORT2 refers to the next port down and so on How can I change the COM numbers of my National Instruments serial ports Refer to the general port settings section in the installation and verification chapter for your hardware platform Serial Hardware and Software for Windows D 22 ni com Appendix D Troubleshooting and Common Questions What is the maximum baud rate supported and how can I set it The maximum baud rate supported is 460 8 Kbaud for RS 485 and 115 2 Kbaud for RS 232 To set the baud rate use the SetCommState Win32 function and pass the actual value of the baud rate in the BaudRate field of the DCB structure How many interrupts are required for my serial interface If you have a shared IRQ card or an isolated serial card you need one interrupt per card This is the hardware that currently ships with Windows NT If you have an older non shared IRQ card you need as many interrupts as there are ports on the card National Instruments Corporation D 23 Serial Hardware and Software for Windows Specifications This appendix describes the characteristics of the serial hardware the NI Serial software along with the recommended
207. ttings Dialog Box The following sections describe the advanced settings options Transceiver Mode This field shows the transceiver mode in use and applies only to PCMCIA 485 boards For more information about transceiver modes refer to Chapter 6 Using Your Serial Hardware Use FIFO Buffers FIFO buffers are present on the 16550 compatible UARTs one for the transmitter and one for the receiver The Receive Buffer control sets the number of characters received in the FIFO before the PC is interrupted to read the data The Transmit Buffer control sets the maximum number of bytes written to the FIFO in a block when the PC is interrupted to write the data When you configure FIFO settings consider the following points e You can select larger FIFO buffer sizes to reduce the number of interrupts your PC receives and therefore minimize system overhead e If transfer rates are high you can lower the Receive Buffer value to prevent overrun errors due to interrupt latency e If your data transfer sizes are small and your Receive Buffer value is above your data sizes your system is less efficient Therefore set the Receive Buffer value below your data sizes National Instruments Corporation 4 15 Serial Hardware and Software for Windows Chapter 4 PCMCIA Serial Hardware Installation Verification and Configuration B Note Ifyou want your serial hardware ports to use the names COM1 COM2 COM3 or COM4 refer to the Common Questio
208. tware Windows Me 9x does not display the New Hardware Found dialog box To fix this problem follow these steps SY aie oe Select Start Settings Control Panel Double click on the System icon Select the Device Manager tab Click on the View devices by type button Double click on the Ports COM amp LPT icon to display a list of all ports that Windows Me 9x recognizes If you have already installed the hardware double click on Other Devices to display where Windows Me 9x lists the ports it does not recognize Select a National Instruments port name from the list of ports that corresponds to a serial port for example COM 5 COM 6 COM 7 or COM 8 Figure D 3 shows the Ports list in the Device Manager with a port selected This example shows an AT interface 3 Note To remove ports on shared IRQ cards you must open the Multifunction adapter class select the name of the interface and click on the Remove button National Instruments Corporation D 13 Serial Hardware and Software for Windows Appendix D Troubleshooting and Common Questions System Properties 24 x General Device Manager Hardware Profiles Performance View devices by type View devices by connection SS Hard disk controllers E Keyboard m Monitor A Mouse E Network adapters WY Ports COM amp LPT J Communications Port COM1 a Communications Port COM2 N I AT Communications Port COM10 F N I
209. ull duplex systems In this mode the transmitter and receiver are always enabled This mode is the default Two Wire Mode DTR with Echo Use this mode in half duplex systems where the DTR Data Terminal Ready line must control the transmitter In the DTR with echo mode the transmitter is tri stated when the DTR signal of the UART Universal Asynchronous Receiver Transmitter is asserted To transmit your application must first clear the DTR bit to enable the transmitter After the data is fully transmitted your application once again sets the DTR bit to disable the transmitter Because the receiver is always enabled in this mode you not only receive packets from other devices you also receive the packets sent from your transmitter Two Wire Mode DTR Controlled This mode is similar to the two wire DTR with echo mode Use this mode in half duplex systems where the DTR line must control the transmitter Although this mode uses the same method as the DTR with echo mode to control the transmitter the hardware automatically disables the receiver whenever the transmitter is enabled Thus you do not receive the packets sent from your transmitter Serial Hardware and Software for Windows 6 2 ni com Chapter 6 Using Your Serial Hardware Two Wire Mode TXRDY Auto Control In this mode the serial hardware transparently enables the transmitter and receiver in a two wire system Use this mode to remove the burden of flow c
210. utions for serial communication The PCI 232 boards work with the RS 232 protocols and the PCI 485 boards work with the RS 422 and RS 485 protocols You can use the PCI 232 boards for serial communication up to distances of 50 ft You can connect the PCI 485 boards to up to 31 devices using serial cable lengths up to 4 000 ft Additionally the PCI serial boards are available in a two port version PCI 232 2 and PCI 485 2 a four port version PCI 232 4 and PCI 485 4 an eight port version PCI 232 8 and PCI 485 8 and a sixteen port version PCI 232 16 The two port versions use DB 9 connectors The four port versions use 10 position modular jacks to provide all four connections on a single back panel Optional cable accessories convert the 10 position modular jacks to either DB 9 or DB 25 connectors with standard pinouts The eight port versions use adapter cables to convert the 68 pin connector on the board to eight DB 9 connectors The 16 port version uses a breakout box to convert the 100 pin connector on the board to sixteen DB 9 connectors Throughout this manual PCI serial boards refers to all versions of the PCI serial boards National Instruments Corporation 1 3 Serial Hardware and Software for Windows Chapter 1 PXI Kits Introduction The isolated PCI 232 and PCI 485 boards are designed for applications in harsh environments Isolated ports provide reliable communication in situations involving ground loops from different
211. value that you must supply Text in this font denotes text or characters that you should enter from the keyboard sections of code programming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions and code excerpts Bold text in this font denotes the messages and responses that the computer automatically prints to the screen This font also emphasizes lines of code that are different from the other examples PCI serial boards refers to all port versions of the PCI serial boards PCMCIA serial boards refers to all versions of the PCMCIA serial boards PXI serial boards refers to all port versions of the PXI serial boards Related Documentation The following documents contain information that you might find helpful as you read this manual e ANSI ETA 232 D Standard Interface Between Data Terminal Equipment and Data Circuit Terminating Equipment Employing Serial Binary Data Interchange e EIA RS 422 A Standard Electrical Characteristics of Balanced Voltage Digital Interface Circuits e FEIA 485 Standard Standard for Electrical Characteristics of Generators and Receivers for Use in Balanced Digital Multipoint Systems e Microsoft Win32 Software Developer Kit Online Documentation for Win32 Overviews Win32 Reference Microsoft Programmer s Guide to Windows 98 95 a
212. ware Installation Verification and Configuration Uninstall the Hardware Before you physically remove the serial hardware from your system you must remove the hardware information To do so complete the following steps 1 Select Start Settings Control Panel and double click on the System icon 2 Select the Device Manager tab and click on the View devices by type button 3 Double click on the Multi function adapters icon National Instruments Corporation C 3 Serial Hardware and Software for Windows Appendix C Uninstalling the Hardware and Software 4 From the Multi function adapters list select the National Instruments interface that you want to uninstall as shown in Figure C 2 System Properties 21x General Device Manager Hardware Profiles Performance View devices by type View devices by connection F Keyboard Modem Monitor A Mouse lt D Multifunction adapters gt N I PC1 232 4 Multi function Parent E Network adapters 9 Other devices Q PCMCIA socket aF Ports COM amp LPT Communications Port COM1 F N I PCI 232 4 Communications Port COM10 N I PCI 232 4 Communications Port COM F N I PCI 232 4 Communications Port COM8 N I PCI 232 4 Communications Port COM3 Printer Port LPT 2 a sA F Pint il l tii la zi Properties Refresh Remove Print i Close Cancel Figure C
213. x D 9 Windows NT D 20 troubleshooting Windows 2000 D 3 Windows Me 9x D 9 Windows NT D 20 diagnostic test failure Windows 2000 D 4 Windows Me 9x D 15 Windows NT D 22 DOS based addresses table D 15 DTE vs DCE B 7 DTE to DCE interface B 7 straight through cabling in figure B 7 DTE to DTE interface B 7 null modem cabling in figure B 7 duplex architectures B 3 full duplex B 3 half duplex B 4 E eight port boards specifications PCI E 3 PXI E 6 environmental characteristics AT E 11 PCI E 4 PXI E 7 F FIFO buffer size 2 23 3 22 4 21 5 24 FIFO buffers 2 9 2 17 3 8 3 16 4 8 4 15 5 9 5 18 FIFO enabled 2 22 3 21 4 21 5 24 FIFO buffer size 2 23 3 22 4 21 5 24 Serial Hardware and Software for Windows Index forcing Windows to detect hardware Windows 2000 D 2 Windows Me 9x D 11 four port boards connecting cables to figure A 5 isolated four port boards AT E 10 PCI E 2 specifications AT E 10 PCI E 2 PXI E 5 four wire mode 6 2 freeing an interrupt request level D 6 full duplex B 3 full duplex system figure B 4 G general port settings AT 5 23 dialog box figure 5 23 transceiver mode 5 23 COM port number 2 22 3 21 4 20 5 23 FIFO enabled 2 22 3 21 4 21 5 24 PCI 2 22 dialog box figure 2 22 transceiver mode 2 22 PCMCIA 4 20 dialog box figure 4 20 transceiver mode 4 20 PXI 3 21 dialog box figure 3 21 transceiver mode 3 21 resou
214. x appears 4 Click on the Install button 5 When prompted insert the NJ Serial Software for Windows 2000 NT Me 9x CD and click on the Next button When prompted click the Finish button to install the program files The setup wizard begins The setup wizard guides you through the necessary steps to install the NI Serial software To exit the setup wizard at any time click on the Cancel button 3 Note The setup wizard backs up the Windows NT serial driver serial sys to serial bak and then overwrites serial sys You can find serial sys in the WinNT system32 drivers directory 8 Ifyour hardware is already installed restart Windows NT and continue to the Verify the Installation section The software installation is complete Continue to the next section Install the Hardware Install the Hardware 3 Note Ifyou are installing a PCI 485 you might need to adjust the value of the bias resistors depending on your application Bias resistors are not available on the eight port PCI 485 For more information refer to Appendix B Serial Port Information Serial Hardware and Software for Windows 2 18 ni com Chapter 2 PCI Serial Hardware Installation Verification and Configuration A Caution Before you remove your board from the package touch the antistatic plastic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on your serial board To install your PCI seri

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