CommTech Fastcom 422/4-PCIe Reference Manual Download Page 1 | Manualshive

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Summary of Contents for Fastcom 422/4-PCIe

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Page 2: ...RIGHT C 2013 All rights reserved including those to reproduce this document or parts thereof in any form without permission in writing from Commtech Inc FASTCOM and the Alpha Lemur are registered trademarks of Commtech Inc Microsoft is a registered trademark of Microsoft Corporation WINDOWS is a trademark of Microsoft Corporation ...

Page 3: ...Fastcom 422 X PCIe REVISION NOTES REVISION PAGE NUMBER CHANGES MADE 1 0 Document created 1 1 Revised software installation and features ...

Page 4: ...ESTING THE INSTALLATION 9 TESTING THE FASTCOM ASYNC PCI PORT IN WINDOWS ERROR BOOKMARK NOT DEFINED FASTCOM SERIALFC SETTINGS 10 FASTCOM 422 X PCIE ADAPTER CABLE 11 CHAMP68 PIN DESCRIPTION 11 DB9 PIN DESCRIPTION 12 CABLE 12 PROGRAMMING 13 RS422 RS485 14 TERMINATION RESISTANCE 15 RS 485 MODE 16 TECHNICAL SUPPORT 17 APPENDIX A 18 17V354 17V358 UART DATA SHEET 18 ...

Page 5: ...ed 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 receive echo common in 2 wire 485 networks Additionally each board utilizes a programmable clock generator to create the UART s input frequency The clock generator is capab...

Page 6: ...Gen 1 x1 Power Requirements 200mA 3V typical Operating Temperature Range 0 C to 70 C Humidity 0 to 90 non condensing Features New high performance UART All baud rates up to 25 Mbits second 256 byte FIFO for improved throughput Four independent channels Hardware control for 485 drivers Software programmable baud rates Switchless design for durability and reliability Status LEDs for system developme...

Page 7: ...7 Fastcom 422 X PCIe BOARD LAYOUT PACKING LIST Fastcom 422 X PCIe Card 422 X PCIe Cable Assembly Fastcom CD If an omission has been made please call customer service at 316 636 1131 for a replacement ...

Page 8: ...ard 2 If it asks to connect to the internet to search for the software tell it no 3 The next screen will ask you to automatically search for a driver DO NOT do this Select the option that lets you specify a location to search for the driver 4 Next it will ask you where to search for the drivers Put a checkbox next to the option that lets you specify a location and clear the rest of the boxes 5 Cli...

Page 9: ...n 5 Tx Pin 8 Rx Pin 9 Rx These instructions assume that you have already installed the card and have followed the installation instructions The Device Manager should show the boards ports that are installed 1 Attach the cable assembly to the card and then the loop back to the end of the cable assembly 2 Open a command prompt Click Start Run type cmd click OK and change to the directory where you c...

Page 10: ...s that can be altered Here are some of the options Custom baud rates Termination Echo cancellation RS485 Trigger levels Integrations with fixed baud rate programs For a full list of the available features please review our programming guide README included with the driver as we are always adding more ...

Page 11: ...h a shielded CHAMP 68 Pin connector and an adapter cable supplied with the board The adapter cable consists of a CHAMP 68 pin male plug fanning out to four standard DB9 female receptacles for the 422 4 PCIe and to eight standard DB9 female receptacles for the 422 8 PCIe CHAMP68 Pin Description 4 port cards will only use channels A D ...

Page 12: ...SEND RTS OUTPUT 3 READY TO 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 30 AWG wire for use with the FASTCOM 422 X PCIe The following cable illustration shows how to connect two RS 422 devices Note th...

Page 13: ...perty page These commands as well as the custom structures used in them are defined in the serialfc h header file Fastcom SerialFC Serial Setting DeviceIOControl dwIoControlCode Termination IOCTL_FASTCOM_ ENABLE DISABLE _TERMINATION Echo Cancel IOCTL_FASTCOM_ ENABLE DISABLE _ECHO_CANCEL Sampling Rate IOCTL_FASTCOM_SET_SAMPLE_RATE RS 485 IOCTL_FASTCOM_ ENABLE DISABLE _RS485 Tx FIFO Trigger Level IO...

Page 14: ...so improved the FASTCOM 422 X PCIe features data rates up to 25 Mbits second These improvements were made possible by differentially driving and receiving the data as opposed to the single ended method employed by the RS 232 standard With the RS 422 standard the transmit signal TX in RS 232 is a differential signal consisting of TX and TX the receive signal RX in RS 232 consists of RX and RX Anoth...

Page 15: ... PCIe The termination resistance is built in If you are using the Fastcom 422 X PCIe in a multi drop network the termination resistor should be disabled from all units except the first and last see the RS 485 illustration below Observe the resistors in the following drawings and remember that they are built into the Fastcom 422 X PCIe shown below Typical RS 422 Installation Typical RS 485 Installa...

Page 16: ...bling of its drivers in order to avoid network conflicts If two drivers 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 b...

Page 17: ...l to obtain an RMA number You are responsible 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 any of the following warranty exclusions occur you will be responsible for shipping charges both way...

Page 18: ...18 Fastcom 422 X PCIe APPENDIX A 17V354 17V358 UART Data Sheet ...

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