CommTech Fastcom 422/4-PCI-335 Hardware Reference Manual Download Page 9

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Fastcom

: 422/4-PCI-335

Specifications

UART:

Exar 17D154

OS Support:

Windows XP, 2000, Linux

Data Rates:

All baud rates up to 6.25Mbit/s

Buffering:

64 byte Tx FIFO each channel
64 byte Rx FIFO each channel

Drivers/Receivers:

High Speed RS-422

Interface:

RS-422 / RS-485

Signals:

Tx , Rx , RTS , CTS

Connector Configuration:

DB37 male to 4 DB9 female

Bus Interface:

32-bit PCI Version 2.3

Power Requirements:

600mA @ +5V (typical)

Certification:

FCC compliant, CE marked

Operating Temperature Range:

0 C to 70 C

Humidity:

0 to 90% (non-condensing)

Features



New high performance UART



Standard or the Fastcom: 422/4-PCI-335



All baud rates up to 6.25 Mbits/sec



64 byte FIFO for improved throughput



Four independent channels



Hardware control for 485 drivers



Software programmable baud rates



Switchless design for durability and reliability



Status LED’s for system development / debugging



Hardware Rx echo cancel available in RS485 mode



Durable cables with RFI shielding



Hardware documentation, software, and example programs provided on the Fastcom CD



Made in Wichita, Kansas USA

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Summary of Contents for Fastcom 422/4-PCI-335

Page 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Page 2: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ...eof in any form without permission in writing from Commtech Inc FASTCOM and the Alpha Lemur are registered trademarks of Commtech Inc IBM is a registered trademark of International Business Machines Corporation Microsoft is a registered trademark of Microsoft Corporation WINDOWS is a trademark of Microsoft Corporation Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www ar...

Page 4: ... CTS pin numbers swapped Fix page numbers in TOC 1 2 9 Added to the serial settings description 1 3 16 Changed warranty to limited lifetime 1 4 1 Updated CE certificate 1 5 16 Updated Limitation of Liability Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 5: ...NSTALLATION 6 TESTING THE FASTCOM ASYNC PCI PORT IN WINDOWS 7 FASTCOM ASYNCPCI 335 SERIAL SETTINGS 8 FASTCOM 422 4 PCI 335 ADAPTER CABLE 11 DB37 PIN DESCRIPTION 11 DB9 PIN DESCRIPTION 11 CABLE 11 PROGRAMMING 12 RS422 RS485 13 TERMINATION RESISTANCE 14 RS 485 MODE 15 TECHNICAL SUPPORT 16 APPENDIX A 17 17D154 UART DATA SHEET 17 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURC...

Page 6: ...C Generic Immunity Standard Part 1 Residential Commercial and Light Industry IEC 801 2 1984 Method of Evaluating Susceptibility to Electrostatic Discharge Level 4 IEC 801 3 1984 Radiated Electromagnetic field Requirements Level 3 IEC 801 4 1988 Electrical Fast Transient Burst Requirements Level 2 Products listed on this declaration are exempt from the requirements of the 73 23 EEC directive due to...

Page 7: ...2 Fastcom 422 4 PCI 335 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 8: ... 485 transmitter enable disable function that permits the hardware itself to regulate data flow by only driving lines while actively transmitting This provides increased speed and convenience over the older software controlled method while still allowing the use of the software method of flow control Optionally in automatic RS 485 mode the receiver can be disabled during transmits to avoid a recei...

Page 9: ...e Range 0 C to 70 C Humidity 0 to 90 non condensing Features New high performance UART Standard or the Fastcom 422 4 PCI 335 All baud rates up to 6 25 Mbits sec 64 byte FIFO for improved throughput Four independent channels Hardware control for 485 drivers Software programmable baud rates Switchless design for durability and reliability Status LED s for system development debugging Hardware Rx ech...

Page 10: ...it PCI BUS Dimensions 4721 mils 4200 mils PACKING LIST Fastcom 422 4 PCI 335 Card 422 4 Cable Assembly Fastcom CD If an omission has been made please call customer service at 316 636 1131 for a replacement Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 11: ...n in the next section for information on installing the software for the board Software Installation 1 Click here to open the Installation Manual located on your Fastcom CD If you do not have the Fastcom CD you can click here to download the installation manual from our web site 2 Find Fastcom Async PCI 335 series cards select your operating system and follow the instructions to install the softwa...

Page 12: ... the same port checking to see that the data is still the same If you get error messages during the loop_back test some possible reasons are 1 You have an incorrect or faulty loop back plug construction or a bad connection Verify that the wiring is correct in your plug and correct any problems you may find 2 The Fastcom board did not install correctly Open the Device Manager Start Run devmgmt msc ...

Page 13: ...0 This setting is global Changing the clock generator frequency will affect all Fastcom ports on the board Setting the clock for one port will set it for all port of the same board Rx Echo Cancel When configured to operate on a 485 network the card s receive and transmit lines are tied together to make a single data line Because of this every time data is transmitted out of the port it will simult...

Page 14: ...ceed 64 Tx Write Size1 Tx Write Size is the number of bytes that get written to the Tx FIFO when the low water mark is reached Raising or lowering this value can help to reduce the number of interrupts generated by the Fastcom port during transmits This setting affects only the selected port Modify this value only if necessary in your application or if the transmitter is generating too many interr...

Page 15: ...10 Fastcom 422 4 PCI 335 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 16: ...SEND RTS OUTPUT 4 TRANSMIT DATA TX OUTPUT 5 TRANSMIT DATA TX OUTPUT 6 CLEAR TO SEND CTS INPUT 7 CLEAR TO SEND CTS INPUT 8 RECEIVE DATA RX INPUT 9 RECEIVE DATA RX INPUT Cable We recommend using vinyl jacketed shielded multiple twisted pair cable 24 AWG wire for use with the FASTCOM 422 4 PCI 335 The following cable illustration shows how to connect two RS 422 devices Note that disabling handshaking...

Page 17: ...n them are defined in the fcapi h header file Fastcom AsyncPCI 335 Serial Setting DeviceIOControl dwIoControlCode Clock Generator Frequency IOCTL_FASTCOM_SET_CLOCK Rx Echo Cancel IOCTL_FASTCOM_SET_RXECHO Sampling Rate IOCTL_FCPORT_SET_SAMPLING Hardware Auto 485 IOCTL_FCPORT_SET_RS485 485 Transmit Control IOCTL_FCPORT_SET_485_TXEN Tx FIFO Trigger Level IOCTL_FCPORT_SET_RXTX_TRIG Tx FIFO Trigger Lev...

Page 18: ...isting of TX and TX the receive signal RX in RS 232 consists of RX and RX Another draw back of RS 232 is that more than two devices cannot share a single cable This is also true of RS 422 and that s why the RS 485 standard was developed RS 485 offers all of the benefits of RS 422 and also allows multiple units up to 32 to share the same twisted pair of wires see diagram on next page RS 485 is ofte...

Page 19: ... in a multi drop network the termination resistor should be removed from all units except the first and last see the RS 485 illustration below Call for technical support if you need to modify the resistor You may also order the Fastcom 422 4 PCI 335 without the termination resistor installed it is easier to add the resistor than to remove it Observe the resistors in the following drawings and reme...

Page 20: ...engage the network at the same time data from both will be corrupted In RS 485 mode the receivers are always enabled The following cable illustration shows four RS 485 Devices sharing the same twisted pair TX TX RX RX TX TX TX TX TX TX RX RX RX RX RX RX 1 2 3 4 Note The termination resistors from Station 2 and Station 3 have been removed Not all RS 422 devices feature RS 485 compatibility only RS ...

Page 21: ...esponsible for shipping charges when you return a FASTCOM board to Commtech We will pay the shipping charges to send the board back to you if a defect in workmanship is found However if no defect in workmanship is found or the board is not found to be defective or the any of the following warranty exclusions occur you will be responsible for shipping charges both ways Warranty Exclusions This warr...

Page 22: ...17 Fastcom 422 4 PCI 335 APPENDIX A 17D154 UART Data Sheet View from CD Download from web Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 23: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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