PCIe-ICM-4SM Manual - ACCES I/O Products, Inc.
Contents
1. Set TERM position Set TERM position for RS485 TxRx for RS485 TxRx or RS422 Rx or RS422 termination termination P2 DB9 MALE Figure 3 1 Option Selection Map DB9M connector Industry standard 9 pin Male D Subminiature connector with screw locks 11 PCle ICM 4SM User Manual Factory Option Descriptions Fast RS 232 transceivers F The standard RS 232 transceivers used are capable of speeds up to 460 8kbps which is adequate in many applications For this factory option the board is populated with high speed RS 232 transceivers enabling error free communications at up to 921 6kbps Remote Wake Up W The Remote Wake Up factory option is for use in RS232 mode when your PC enters the L2 low power state When the Ring Indicator is received on serial port COM A in the L2 power state Wake Up is asserted Extended temperature T This factory option is for use in harsh environments and is populated with all industrial rated components specified at a minimum temperature range of 40 C to 85 C RoHS compliance RoHS For international customers and other special requirements this factory option is available in RoHS compliant versions 12 PCle ICM 4SM User Manual Chapter 4 Address Selection The card uses one I O address space PCI BAR 0 COM A COM B COM COM D COM E COM F COM G and COM H each occupy eight consecutive register locations The Vendor ID is 494F The Device ID for the PC2. TRANSCEIVER Software Selectable PCle INTERFACE RS232 ISOLATION RS422 or COMPATIBLE RS485 16950 16550 UARTs INTERRUPT x4 COMPUTER PCI EXPRESS BUS INTERFACE Figure 1 1 Block Diagram Ordering Guide e PCle ICM 4SM PCI Express isolated four port RS 232 422 485 e PCle ICM 4S PCI Express isolated four port RS 422 485 e PCle ICM232 4 PCI Express isolated four port RS 232 e PCle ICM 2SM PCI Express isolated two port RS 232 422 485 e PCle ICM 2S PCI Express isolated two port RS 422 485 e PCle ICM232 2 PCI Express isolated two port RS 232 Four port models require the use of a provided additional mounting bracket Model Options e T Extended temp operation 40 to 85 C e F Fast version RS 232 up to 921 6kbps e RoHS RoHS compliant version e W Remote wake up enable see Chapter 3 Hardware Details 7 PCle ICM 4SM User Manual Optional Accessories Screw terminal adaptor DB9F to 9 screw terminals Screw terminal adaptor with two DB9F connectors and 18 screw terminals Special Order Virtually any custom baud rate can be achieved with the standard card see Table 5 2 Sample Baud Rate Setting and still be within the standard tolerance range for asynchronous serial communications If that method doesn t produce an exact enough baud rate a custom crystal oscillator may be specified contact factory with your precise requirement Other examples of special orders w
3. Ring Indicator Table 6 2 COM signal names to corresponding signal descriptions To ensure that there is minimum susceptibility to EMI and minimum radiation it is important that the card mounting bracket be properly screwed into place and that there be a positive chassis ground Also proper EMI cabling techniques cable connect to chassis ground at the aperture shielded twisted pair wiring etc should be used for the input output wiring 16 PCle ICM 4SM User Manual Chapter 7 Specifications Communications Interface connection Serial ports Isolation Serial data rates UART Character length Parity Stop interval Flow Control ESD Protection Environmental Operating temp Storage temp Humidity Power required Size DB9M 4 or 2 RS 232 422 485 2000V isolation port to port and port to computer RS 232 460 8k 921 6k avail RS 422 485 3Mbps Quad type 16C950 with 128 byte transmit amp receive FIFO 16C550 compliant 5 6 7 8 or 9 bits Even Odd None Space Mark 1 1 5 or 2 bits RTS CTS and or DSR DTR Xon Xoff 15kV on all signal pins Commercial 0 to 70 C Industrial 40 C to 85 C 65 C to 150 C 596 to 9596 non condensing 3 3VDC 0 8W typical 12VDC 0 9W typical 6 600 long x 4 200 high 167 65 mm long x 106 68 mm high 17 PCle ICM 4SM User Manual Customer Comments If you experience any problems with this manual
4. this value has to be non zero Bit 27 24 to indicate the value of SCR SampleClock Bit 23 16 to indicate the value to put in DLH Bit 15 8 to indicate the value to put in DLL Bit 7 3 to indicate the value to put in M CPRM Bit 2 0 to indicate the value to put in N CPRN If you want to set DLL 1 DLH 0 SCR 12 then the parameters of Baudrate in the DCB structure should be set to 0x1c000108 When the driver finds the parameter Baudrate does not exist on the default baudrate table and Bit 28 is set to 1 it will get the values of SCR DLL DLH M and from the Baudrate parameter and set to the registers directly 15 PCle ICM 4SM User Manual Chapter 6 Connector Pin Assignments Input Output Connections The serial communications ports are interfaced at the card and adjacent mounting brackets via 4x DB9M connectors RS 422 and 4 Wire RS 485 Table 6 1 DB9 Male Connector Pin Assignments DB 9 Male Figure 6 1 DB9 Male Connector Pin Locations RS 232 RS 232 Signal RS 422 RS 422 Signal RS 485 RS 485 Signal Signals Descriptions Signals Descriptions Signals Descriptions 4 w 485 2 wire Data Carrier Detected Transmit Data Transmit Receive Transmit Data TXRX Transmit Receive Transmit Data Signal Ground DTH Data Terminal Ready HX Receive Daa GND SunaGmud ND Ground DSR RIS Gs Gerosmd 1 o A AL SCS m
5. Locations 16 Table 6 2 COM signal names to corresponding signal descriptions 16 Chapter 7 Specificallons uoc eet cete eate deciden ee ate heeds 17 Communications Interface o pta stis titio 17 Environmental os p en 17 Customer Comments RO UR de ae eO RN Pes 18 4 PCle ICM 4SM User Manual Chapter 1 Introduction These PCI Express Multiport Isolated Serial cards were designed for RS232 RS422 and RS485 asynchronous communications for use in a variety of applications These boards offer compatibility with the Express bus and are used by system integrators and manufacturers in the design of industrial communication systems The cards are available in 4 port and 2 port versions and are compatible with all popular operating systems The protocol type of each port is software selectable between RS232 RS422 RS485 depending on the model ordered Each COM port is capable of supporting data rates up to 3Mbps 460 8kbps in RS232 mode is standard and implements full RS 232 modem control signals to ensure compatibility with a wide range of serial peripherals Existing serial peripherals can connect directly to the industry standard DB9M connectors The board features a x1 lane PCI Express connector which can be used in any length PCI Express slot Features e 4 and 2 port PCI Express ser
6. is located on the card which permits precise selection of baud rates Serial protocol RS 232 422 485 is software configured per port via a Port Configuration Utility provided on the CD which ships with each card When RS 422 or RS 485 are selected jumper selectable termination is provided per port Four port models PCle ICM 4SM PCle ICM 4S PCle ICM232 4 ship with an additional mounting bracket and cable This plugs directly into the dual 10 pin IDC headers on board and mounts to an adjacent bracket slot Isolation Ground loops current flowing through the ground line when ground voltage levels differ between connected devices are a common problem frequently encountered in many industrial applications This situation can result in an increasing common mode voltage produced by the difference in ground levels and also by induced voltage typically from parallel cabling that is carrying current to electrical equipment Once the common mode voltage exceeds the capability of the transceivers to reject it they stop communicating Isolating serial ports eliminates the effects of this problem and protects the computer system in harsh industrial environments RS 232 communications are even more susceptible to this condition due to this architecture being only single ended This card is rated for 2 000V isolation from port to port and port to computer for such applications 6 PCle ICM 4SM User Manual OSCILLATOR ISOLATED POWER
7. or just want to give us some feedback please email us at manuals accesio com Please detail any errors you find and include your mailing address so that we can send you any manual updates ACCES 1 0 PRODUCTS INC 10623 Roselle Street San Diego CA 92121 Tel 858 550 9559 FAX 858 550 7322 www accesio com 18 PCle ICM 4SM User Manual
8. drive Please substitute the appropriate drive letter for your system as necessary 1 Place the CD into your CD ROM drive 2 Type 22J amp to change the active drive to the CD ROM drive 3 Type to run the install program 4 Follow the on screen prompts to install the software for this board Windows Linux 1 Place the CD into your CD ROM drive 2 The system should automatically run the install program If the install program does not run promptly click START RUN and type 21 click OK or press 3 Follow the on screen prompts to install the software for this board 1 Please refer to linux htm on the CD ROM for information on installing under linux Note COM boards can be installed in virtually any operating system We do support installation in earlier versions of Windows and are also likely to support future versions 9 PCle ICM 4SM User Manual Hardware Installation Caution ESD A single static discharge can damage your card and cause premature failure Please follow all reasonable precautions to prevent a static discharge such as grounding yourself by touching any grounded surface prior to touching the card Do not install the card into the computer until the software has been fully installed Turn OFF computer power AND unplug AC power from the system Remove the computer cover Carefully install the card in an available PCle expansion slot you may need to remove a backplat
9. e first 5 Inspect for proper fit of the card and install and tighten the mounting bracket screw Make sure that the card mounting bracket is properly screwed into place and that there is a positive chassis ground 6 Install the header to DB9M cable accessory in an adjacent mounting bracket slot location Tighten the mounting bracket screw DIM Transceiver type O Figure 2 1 Port Configuration Utility Screenshot 7 Replace the computer cover and turn ON the computer 8 Most computers should auto detect the card depending on the operating system and automatically finish installing the drivers 9 Run the Port Configuration Utility program setup exe to configure the protocol RS 232 422 485 for each COM port 10 Run one of the provided sample programs that was copied to the newly created card directory from the CD to test and validate your installation 10 PCle ICM 4SM User Manual Chapter 3 Hardware Details There only user selectable options for this card are for applying a termination load to the RS 422 or RS 485 lines Channel protocols are selected via software TxRx 485 Rx 422 TERM NO TERM TERM NO TERM Set TERM position Several Termination Set TERM position for RS485 TxRx amp per channel for RS485 TxRx Do not install TERM jumper when using RS232 pF TxRx 485 Rx 422 or RS422 9 termination or RS422 termination P2 DB9 MALE TERM NO TERM TERM NO TERM
10. er ee oa Kee ln eM Mae 9 CD Software eru aes am se 9 Hardware Installation erae aed eae aera eae 10 Figure 2 1 Port Configuration Utility 10 Chapter 3 Hardware Detalls abet oe d mad Cu ein 11 Figure 3 1 Option Selection Map essere 11 DB SM COMME GION M cr MEN 11 Factory Option Descriptions sse enne nnne 12 Fast RS 232 transceivers nre 12 Remote Wake Up W 5 ei perna 12 Extended temperature T iiie ters taie Moped ie ds De dice dass 12 RoHS compliance HoHS hotte e ette dee tea th ped ewe pad 12 Chapter 4 Address Selectlion oes i tentiae deperit EE 13 Chapter 5 Programming a dpesteti 14 Sample Programs ee Hee Mee ice cesa de 14 Windows COM Utility Programm ccc ccccsccneeeecseeeeceseeseesecaeesecseesecseeeeesseesseaeeseeaeens 14 Table 5 1 Baud Rate Generator Setting sese 14 Table 5 2 Sample Baud Rate Setting sss 15 Chapter 6 Connector Pin Assignments s essen 16 Input Output Gonnectiofis onto Son d de ediderat pea Uo 16 Table 6 1 DB9 Male Connector Pin Assignments 16 Figure 6 1 DB9 Male Connector Pin
11. ial communication cards with on board DB9M connectivity e 2000V isolation port to port and port to computer e Serial protocol RS 232 422 485 SOFTWARE CONFIGURED per port stored in EEPROM for auto configure at next boot e High performance 16C950 class UARTs with 128 byte FIFO for each transmit and receive buffer e Supports data communication speeds up to 3Mbps standard model RS 232 is 460 8kbps e ESD protection 15kV on all signal pins e Supports 9 bit data mode e Full modem control signals in RS 232 mode e Software compatible with all operating systems e Jumper selectable termination for RS 422 485 applications e POS Point of Sale Systems e Shipboard Data Communication and Control Systems e Gaming Machines e Telecommunications e Industrial Automation e ATM Automated Teller Machine Systems e Multiple terminal control e Office Automation e Kiosks 5 PCle ICM 4SM User Manual Functional Description These cards feature high performance 16C950 class UARTs which support the complete register set of the standard 16C550 type devices The UARTS support operations in 160450 16C550 and 16C950 modes Each port is capable of data communication speeds up to 3Mbps standard model up to 460 8kbps in RS 232 mode in asynchronous mode and has 128 byte deep transmit and receive FIFOs to protect against lost data in multitasking operating systems to help reduce CPU utilization and to improve data throughput A crystal oscillator
12. le ICM 4SM card is 11D8h The Device ID for the PCle ICM 4S card is 115Ah The Device ID for the PCle ICM232 4 card is 1198h The Device ID for the PCle ICM 2SM card is 11DOh The Device ID for the PCle ICM 2S card is 1152h The Device ID for the PCle ICM232 2 card is 1190h 13 PCle ICM 4SM User Manual Chapter 5 Programming Sample Programs There are sample programs with source code provided with the card in a variety of common languages DOS samples are located in the DOS directory and Windows samples are located in the WINS32 directory Windows COM Utility Program WinRisc is a COM utility program provided on CD with the installation package for this card that is very useful when working with any serial ports and serial devices If you haven t used this program yet do yourself a favor and run this program to test your COM ports Windows Programming The card installs into Windows as COM ports so standard API functions can be used See the documentation for your chosen language for details In DOS the process is identical to programming 16550 compatible UARTs Baud Rate Generation The built in Baud Rate Generator BRG allows a wide range of input frequency and flexible Baud Rate generation To obtain the desired Baud Rate the user can set the Sample Clock Register SCR Divisor Latch Low Register DLL Divisor Latch High Register DLH and Clock Prescale Registers CPRM and CPRN The Baud Rate is generated according to the foll
13. liability of ACCES is limited to replacing repairing or issuing credit at ACCES discretion for any products which are proved to be defective during the warranty period In no case is ACCES liable for consequential or special damage arriving from use or misuse of our product The customer is responsible for all charges caused by modifications or additions to ACCES equipment not approved in writing by ACCES or if in ACCES opinion the equipment has been subjected to abnormal use Abnormal use for purposes of this warranty is defined as any use to which the equipment is exposed other than that use specified or intended as evidenced by purchase or sales representation Other than the above no other warranty expressed or implied shall apply to any and all such equipment furnished or sold by ACCES 3 PCle ICM 4SM User Manual TABLE OF CONTENTS Chapter 1 Introduction oo n ed Ten idum uim eis Uii 5 jr TER 5 Applications NEU INO on b datu AS DR S EORUM URS 5 Functional DescriptIIOh ooo ere I tiene P ursi It d de a otis Ae praed tae ala 6 ISOIABIOTI eub udo one M dde quc Ra o uade Maree Lt Us 6 Figure 1 1 Block Diagram 7 Ordering dun aR a 7 Model ODIIOnSs ie uui ee Roe ee A Sid tts uA scis hoe 7 Optional ACCeSSOLIBS 2 8 Sp cial Order onn bite Ou 8 Included with your e eti et td po dae ben dut 8 Chapter 2 Installation oon don en
14. ment failure occur ACCES assures its customers that prompt service and support will be available All equipment originally manufactured by ACCES which is found to be defective will be repaired or replaced subject to the following considerations Terms and Conditions If a unit is suspected of failure contact ACCES Customer Service department Be prepared to give the unit model number serial number and a description of the failure symptom s We may suggest some simple tests to confirm the failure We will assign a Return Material Authorization RMA number which must appear on the outer label of the return package All units components should be properly packed for handling and returned with freight prepaid to the ACCES designated Service Center and will be returned to the customer s user s site freight prepaid and invoiced Coverage First Three Years Returned unit part will be repaired and or replaced at ACCES option with no charge for labor or parts not excluded by warranty Warranty commences with equipment shipment Following Years Throughout your equipment s lifetime ACCES stands ready to provide on site or in plant service at reasonable rates similar to those of other manufacturers in the industry Equipment Not Manufactured by ACCES Equipment provided but not manufactured by ACCES is warranted and will be repaired according to the terms and conditions of the respective equipment manufacturer s warranty General Under this Warranty
15. ould be conformal coating custom software etc we will work with you to provide exactly what is required Included with your board The following components are included with your shipment depending on options ordered Please take the time now to ensure that no items are damaged or missing Four or two port card 2 x Header to 2 x DB9M cable bracket for Four port model cards Software Master CD Quick Start Guide 8 PCle ICM 4SM User Manual Chapter 2 Installation A printed Quick Start Guide QSG is packed with the card for your convenience If you ve already performed the steps from the QSG you may find this chapter to be redundant and may skip forward to begin developing your application The software is provided with this card on the CD and must be installed onto your hard disk prior to use Perform the following steps as appropriate for your operating system A complete driver support package is provided including an easy to use Windows terminal program for testing out your COM ports This simplifies the verification of proper COM port operating The card installs as standard COM ports in all operating systems A software reference manual is installed as part of the software and support package for this product Please refer to this document for extensive information and guidance on software tools and programming support at your disposal CD Software Installation DOS The following instructions assume the CD ROM drive is
16. owing equation InputFrequency BaudRate Divisor Prescaler The parameters in the equation above can be programmed by setting the SCR DLL DLH CPRM and CPRN registers according to the table below Setting Description Divisor DLL 256 DLH Prescaler 2 SampleClock N SampleClock 16 SCR SCR Oh to Ch M CPRM CPRM 01h to 02h N CPRN CPRN Oh to 7h Table 5 1 Baud Rate Generator Setting 14 PCle ICM 4SM User Manual To ensure the proper operation of the Baud Rate Generator users should avoid setting the value 0 to Sample Clock Divisor and Prescaler The following table lists some of the commonly used Baud Rates and the register settings that generate a specific Baud Rate The examples assume an Input Clock frequency of 14 7456 Mhz The SCR register is set to Oh and the CPRM and CPRN registers are set to 1h and Oh respectively In these examples the Baud Rates can be generated by different combination of the DLH and DLL register values Baud Rate DLH DLL 1 200 3h 00h 2 400 ih 80h 4 800 Oh COh 9 600 Oh 60h 19 200 Oh 30h 28 800 Oh 20h 38 400 Oh 18h 57 600 Oh 10h 115 200 Oh 08h 921 600 Oh Oth Table 5 2 Sample Baud Rate Setting We re define the parameter of Baudrate on DCB structure Bit 30 28 User Defined Baudrate
17. ya ACCES I O PRODUCTS INC 10623 Roselle Street San Diego CA 92121 858 550 9559 FAX 858 550 7322 contactus accesio com www accesio com MODEL PCle ICM 4SM PCle ICM 2SM PCle ICM 4S PCle ICM 2S PCle ICM232 4 PCle ICM232 2 PCI Express Isolated 4 and 2 Port RS 232 422 485 Serial Communication Cards USER MANUAL FILE MPCle ICM 4SM A1d Notice The information in this document is provided for reference only ACCES does not assume any liability arising out of the application or use of the information or products described herein This document may contain or reference information and products protected by copyrights or patents and does not convey any license under the patent rights of ACCES nor the rights of others IBM PC PC XT and PC AT are registered trademarks of the International Business Machines Corporation Copyright by ACCES I O Products Inc 10623 Roselle Street San Diego CA 92121 All rights reserved WARNING ALWAYS CONNECT AND DISCONNECT YOUR FIELD CABLING WITH THE COMPUTER POWER OFF ALWAYS TURN COMPUTER POWER OFF BEFORE INSTALLING A CARD CONNECTING AND DISCONNECTING CABLES OR INSTALLING CARDS INTO A SYSTEM WITH THE COMPUTER OR FIELD POWER ON MAY CAUSE DAMAGE TO THE I O CARD AND WILL VOID ALL WARRANTIES IMPLIED OR EXPRESSED 2 PCle ICM 4SM User Manual Warranty Prior to shipment ACCES equipment is thoroughly inspected and tested to applicable specifications However should equip
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