GPIB-VXI/C User Manual - Helmut Singer Elektronik
Contents
1. Interface NAT4882 and Turbo488 ASICs coupled with DMA Full transparent support of individual status bytes for each GPIB address Buffered operation decouples GPIB and VXIbus operation Controller can address one VXIbus device to talk and one or more other V XIbus devices to listen IEEE 488 1 capabilities SHI Source Handshake AHI Acceptor Handshake T5 TES Talker Extended Talker multiple primary or multiple secondary addressing L3 LE3 Listener Extended Listener multiple primary or multiple secondary addressing SRI Service Request DC1 Device Clear DTI Device Trigger RLO Remote Local PPO Parallel Poll e IEEE 488 2 compatible 488 V XIbus translation The IEEE 488 1 capabilities are supported for all VXIbus devices associated with GPIB addresses The IEEE 488 2 compatibility applies to 488 2 compatible VXIbus devices associated with GPIB addresses through the GPIB VXI C GPIB VXI C User Manual 1 4 O National Instruments Corporation Chapter 1 General Description Local Command Set Overview The GPIB VXI C local command set supports the following types of operations e System configuration and control Help General configuration RM information extraction VXI defined common ASCII system commands Dynamic system configuration and reconfiguration GPIB address configuration VXlIbus interrupt handler configuration IEEE 488 2 common commands Instrument development an2. GPIB VXI C User Manual 2 4 O National Instruments Corporation Chapter 2 Configuration and Startup Procedures Setting the Shared Memory Size You can set the amount of installed memory that is shared with the VXIbus by altering the settings of switches S8 and S6 Table 2 4 gives the S8 and S6 switch settings for sharing various portions of RAM with the VXIbus for each possible installed memory configuration Table 2 4 Shared Memory Switch Settings Amount of Installed Memory Shared with VXIbus Installed Memory S6 ON S6 ON S6 OFF S6 OFF Size S8 ON S8 OFF S8 ON S8 OFF Note The RAM shared with the VXIbus will be the upper portion of the installed memory The GPIB VXI C Offset Register holds the shared memory VXI A24 base address as described in the VXIbus specification The RM automatically configures the Offset Register at startup Setting the Reset Operation The GPIB VXI C has three configurable reset parameters They can be enabled or disabled and are as follows e Pushbutton resets backplane asserts SYSRESET signal e Pushbutton resets GPIB VXI C asserts local reset signal e Backplane SYSRESET signal resets GPIB VXI C SYSRESET on backplane asserts local reset The reset parameters can be altered by the nonvolatile memory configuration as described in the Change Configuration Information section of Chapter 4 With compliments Helmut Singer Elektronik www helmut singer de info helmut singer de fon 49
3. 241 155 315 fax 49 241 152 066 Feldchen 16 24 D 52070 Aachen Germany National Instruments Corporation 2 5 GPIB VXI C User Manual
4. C User Manual Configuration and Startup Procedures Chapter 2 GPIB VXI C Configuration The GPIB VXI C factory configuration is shown in Table 2 1 The RAM firmware and coprocessor are configured according to the GPIB VXI C purchase options Table 2 1 GPIB VXI C Factory Configuration Startup Mode 488 VXI Runtime System Mode VXIbus Characteristics Resource Manager RM Enabled Logical Address 0 Servant Area Size 0 Shared Memory 0 of Installed Memory Address Modifiers Supervisor A16 Supervisor A24 data VXIbus Slot 0 Services CLK10 Driver Enabled CLK10 Source Onboard Clock SYSCLK Driver Enabled Priority Arbiter Enabled Bus Timeout Enabled BTO 2 250 usec GPIB Addressing Mode Multiple Secondary Addressing GPIB VXI C GPIB Primary Address Serial Port System Startup Messages Disabled Console Local Command Port Enabled Discrete Fault Indicator DFI Normally Open Front Panel BNC Termination External Clock Input Unterminated External Trigger Input Unterminated You do not have to change the GPIB V XI C factory configuration to use it as a Slot 0 Resource Manager The following pages describe the factory configuration settings and present alternate configurations Figure 2 1 shows the location of the GPIB VXI C configurable components and their physical location relative to some of the major circuit components The jumpers and switches are represented in their factory default positions Note The GPIB VXI C is housed
5. ESS LED indicates when the GPIB V XI C is accessed from GPIB or VXIbus or when its MODID is asserted Five front panel connectors GPIB interface Serial port Trigger input Trigger output External CLK10 I O Configurable reset pushbutton Pushbutton resets backplane Pushbutton resets GPIB V XI C Pushbutton resets both backplane and GPIB V XI C GPIB VXI C User Manual 1 6 O National Instruments Corporation Chapter 2 Configuration and Startup Procedures This chapter contains information about the system configuration GPIB V XI C configuration and startup operation System Configuration The typical system includes the following components e A VXIbus system mainframe containing the GPIB V XI C and instrument modules A host computer with a GPIB interface module and associated driver software available for many computers from National Instruments connected to the GPIB VXI C GPIB port e A dumb terminal or host running a terminal emulator connected to the GPIB V XI C serial port optional The serial port settings are 9600 baud 8 bit data no parity and one stop bit Refer to Appendix D Connectors for descriptions of the RS 232 serial connector and the GPIB interface connector Cables for connecting the GPIB VXI C serial port to an RS 232 terminal or COMI port on an IBM PC compatible computer are available from National Instruments see Optional Equipment in Chapter 1 O National Instruments Corporation 2 1 GPIB VXI
6. GPIB VXI C User Manual June 1994 Edition Part Number 320404B 01 With compliments Helmut Singer Elektronik www helmut singer de info helmut singer de fon 49 241 155 315 fax 49 241 152 066 Feldchen 16 24 D 52070 Aachen Germany Copyright 1992 1994 National Instruments Corporation All Rights Reserved Chapter 1 General Description This chapter contains a brief overview of the GPIB VXI C and its VXIbus and GPIB capabilities This chapter also contains an overview of the local command set an introduction to Code Instruments CIs and a description of the front panel Overview The GPIB VXT C is a C sized VXIbus module that links the industry standard IEEE 488 GPIB bus and the VXIbus The GPIB VXI C performs transparent conversion of the GPIB signals and protocols to VXIbus signals and protocols so that a GPIB Controller can control VXIbus instruments in the same way that it controls GPIB instruments Figure 1 1 shows the GPIB VXT C interface module Figure 1 1 The GPIB VXI C Interface Module National Instruments Corporation 1 1 GPIB VXI C User Manual General Description Chapter 1 The GPIB VXI C is factory configured to function as the system Resource Manager RM It performs the V XIbus startup configuration self test and initialization functions as well as VXIbus Slot 0 related services The RM and Slot 0 functions can be defeated individually so that the GPIB V XI C can coexist with another RM an
7. d or be located in any slot What Your Kit Should Contain Your GPIB V XI C kit contains a GPIB VXI C module and documentation The GPIB VXI C part number and serial number are printed on the label affixed to its shield casing Note The full part number of the GPIB VXI C is determined by configuration options corresponding to the extension XYZM in the part number The X Y and Z options are described below The M corresponds to the manufacturer X 68881 coprocessor option 0 without coprocessor 1 with coprocessor ROM option user firmware development firmware 3 user firmware and EPROM expansion 4 development firmware and EPROM expansion Z RAM option 1 512KB 1 MB 2 3 2MB 4 4MB With compliments Helmut Singer Elektronik www helmut singer de info helmut singer de fon 49 241 155 315 fax 49 241 152 066 Feldchen 16 24 D 52070 Aachen Germany GPIB VXI C User Manual 1 2 O National Instruments Corporation Chapter 1 General Description Optional Equipment You can contact National Instruments to order any of the following cables e Type S5 serial port cable 25 pin 2 m e Type S6 serial port cable 9 pin 2 m Type X2 double shielded GPIB cables 1 m 2 m 4 m or 8 m Unpacking Follow these steps when unpacking your GPIB V XI C 1 Verify that the pieces contained in the package you received match the kit parts list Do not remove the module from its plastic bag at this point 2 Your GPIB VXI C module is s
8. d test VXlbus access Word Serial communication e CI use and development CI configuration You can access the command set from the GPIB port the serial port and through Word Serial Protocol communication You can also use separate programmable local command response modes for interactive and control program operation Code Instruments The GPIB VXI C can run software modules called Code Instruments or CIs that perform special functions in the VXIbus environment Typical applications of CIs include e Translating and interpreting command language Creating virtual hierarchical instrument Implementing Message Based interface for Register Based devices and non VXI devices CIs can be implemented in three forms e As part of the National Instruments supplied firmware Resident CIs or RCIs e As user developed downloadable object code Downloaded CIs or DCIs e As user add on firmware EPROMed CIs or ECIs For more information about CI capabilities and applications see Appendix A Code Instrument Overview O National Instruments Corporation 1 5 GPIB VXI C User Manual General Description Chapter 1 Front Panel Features The GPIB VXI C has the following front panel features Five front panel LEDs SYSFAIL LED reflects the status of the backplane SYSFAIL signal and indicates that a VXIbus device in the system has failed FAILED TEST and ON LINE LEDs indicate the current status of the GPIB VXI C ACC
9. hipped packaged in an antistatic plastic bag to prevent electrostatic damage to the module Several components on the module can be damaged by electrostatic discharge To avoid such damage while handling the module touch the plastic bag to a metal part of your VXIbus mainframe chassis before removing the module from the bag 3 Remove the module from the bag and inspect the module for loose components or any other sign of damage Notify National Instruments if the module appears damaged in any way Do not install a damaged module into your V XIbus mainframe VXIbus Characteristics The GPIB VXI C has the following V XIbus capabilities Fully compatible with VXIbus System Specification e VXIbus Resource Manager RM defeatable e VXlIbus Slot 0 support defeatable e VXIbus Message Based Commander and Message Based Servant e VXIbus master A16 A24 D16 DO8 EO e VXlIbus slave A16 A24 A32 D16 DO8 EO e Up to 4 Megabytes of dual ported shared memory e Three programmable V XIbus interrupt handlers e IEEE 488 1 and IEEE 488 2 compatible multiple primary or multiple secondary 488 V XIbus translator O National Instruments Corporation 1 3 GPIB VXI C User Manual General Description Chapter 1 GPIB Characteristics The GPIB VXT C has the following GPIB characteristics Communication with VXIbus Message Based devices VXI logical addresses are mapped to GPIB addresses Automatically configured at startup Programmable
10. igure 2 1 GPIB VXI C Parts Locator Diagram O National Instruments Corporation 2 3 GPIB VXI C User Manual Configuration and Startup Procedures Chapter 2 Setting the Logical Address GPIB Primary Address and Servant Area Size You can change the logical address GPIB primary address and Servant area size by running the nonvolatile memory configuration utility as described in the Change Configuration Information section of Chapter 4 Nonvolatile Configuration Verifying the Installed RAM Size Up to 4 megabytes of local RAM can be factory installed on the GPIB VXI C The minimum amount of memory is 512 kilobytes Table 2 2 lists the RAM configurations and their associated switch settings You can use this information to verify the board configuration Table 2 2 Installed RAM Configuration Installed Memory Switch S7 Switch S5 Jumper W6 Size Setting Setting Setting 512 kilobytes OFF OFF 1 megabyte OFF OFF Table 2 3 shows the relationship between the amount of installed memory the local address range occupied by the memory and the range of VXI A24 addresses accessible by the GPIB V XI C as a bus master Table 2 3 GPIB VXI C CPU Local and A24 Memory Ranges Installed Installed Memory Accessible VXI A24 Memory Local Address Range Address Range 512 kilobytes 000000h O7FFFFh 080000h E7FFFFh 2 megabytes 000000h 1FFFFFh 200000h E7FFFFh 1 megabyte 000000h OFFFFFh 100000h E7FFFFh 4 megabytes 000000h 3FFFFFh 400000h E7FFFFh
11. in a metal enclosure that has cut outs for access to all switches and jumpers associated with Slot 0 Non Slot 0 settings start up mode and Shared RAM settings Under normal circumstances you should not find it necessary to open the enclosure GPIB VXI C User Manual 2 2 O National Instruments Corporation Chapter 2 Configuration and Startup Procedures VXIbus Requester gotoanonnnsnsaneaaotte S19 o n E k E 8 8 E Ei w S E z z 8 8 to 0055005005505 00000 S2 On cm S3 On F cmm AO000090900 0 002000 Startup Mode e Switches On 86 or FP se Off 68070 S5 S7 if 0871 eosnosevonseanooenas prone reasserted Toxxx S23 On 21 On Lope m 3 Address Modifiers On s EN C g aj BANK 2 BANK 0 ODD BANK BANK 1 ODD BANK 2 ODD BANK 3 ODD On On S22 S20 zitnenrono0tonoads 3 TURBO48B E1 E E 7 BANK O EVEN BANK 2 EVEN BANK 3 EVEN Expansion EPROM Switches Detail of Switch Settings UBa Sotocosmioototoo L getmesotention E E 2 Fi NAT4882 8 Sy i M OP YRIGHTO 1991 IB VXL C S15 Off S16 Off 17 Off E g Tronongoseoonosoo ASSY181410 01 REV C i vi O Oo S18 Off DFI Switch GPIB Connector RS 232 SYSFAIL Connector PMLE Reset TRG TRG EXT ON LINE Switch IN OUT CLK ACCESS F
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