Summary of Contents for Access 104i-COM-8SM
- Page 1 10623 Roselle Street, San Diego, CA 92121 (858) 550-9559 www.accesio.com PCI-104 SERIAL COMMUNICATION BOARDS 104i-COM-8SM 104i-COM-4SM 104i-COM-8S 104i-COM-4S USER MANUAL FILE: m104i-COM-8SM.A1o...
- Page 2 THE COMPUTER POWER OFF. ALWAYS TURN COMPUTER POWER OFF BEFORE INSTALLING A BOARD, CONNECTING AND DISCONNECTING CABLES, OR INSTALLING BOARDS INTO A SYSTEM WITH THE COMPUTER OR FIELD POWER ON MAY CAUSE DAMAGE TO THE I/O BOARD AND WILL VOID ALL WARRANTIES, IMPLIED OR EXPRESSED. Manual 104i-COM-8SM...
- Page 3 Other than the above, no other warranty, expressed or implied, shall apply to any and all such equipment furnished or sold by ACCES. Manual 104i-COM-8SM...
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Page 4: Table Of Contents
Table 6-6: Port to Port Cable Wiring ................18 Chapter 7: SPECIFICATION ....................19 Appendix A: APPLICATION CONSIDERATIONS ............... 20 Table A-1: RS-422 Specification Summary ..............21 Figure A-1: Typical RS-485 Two-Wire Multidrop Network ..........22 Customer Comments ......................23 Manual 104i-COM-8SM... -
Page 5: Chapter 1: Introduction
! Extended Temperature Operation of -40˚ to +85˚C ! RoHS Compliance The 104i-COM-8SM and 104i-COM-4SM (PCI-104) multi-port multi-protocol serial communication cards deliver eight or four high-speed serial communication ports for use in a wide variety of applications. The cards were developed for use by system integrators and manufacturers in the design of industrial and commercial systems. -
Page 6: Figure 1-1: Block Diagram
Figure 1-1: Block Diagram Manual 104i-COM-8SM... -
Page 7: Ordering Guide
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. PCI/104 Board Software Master CD Printed Quick-Start-Guide Manual 104i-COM-8SM... -
Page 8: Optional Accessories
STB- 40 screw terminal boards on a DIN rail Hardware kit for ACCES PC/104 boards; includes 4 screws, nuts and 104-HDW-KIT(X) standoffs. Specify metric (M) or standard (S) hardware kit. Manual 104i-COM-8SM... -
Page 9: Chapter 2: Installation
CD to test and validate your installation. If a 104i-COM-8SM channel is configured for RS-485 the Properties dialog box must be used to enable auto-RTS. You can find this dialog box in the Device Manager program for the ports involved. -
Page 10: Chapter 3: Option Selection
Also, for RS-485 operation, there must be a bias on the TX+/RX+ and TX-/RX- lines. If the board is not to provide that bias, contact the factory technical support. Manual 104i-COM-8SM... -
Page 11: Figure 3-2: Option Selection Map
Figure 3-2: Option Selection Map Manual 104i-COM-8SM... -
Page 12: Jumper Function
It can drive up to ±60 mA on balanced lines and receive inputs as low as 200 mV differential signal superimposed on common mode noise of +12 V or -7 V. In case of communication conflict, the driver/receivers feature thermal shutdown. Manual 104i-COM-8SM... -
Page 13: Chapter 4: Address Selection
As a result, you cannot set or change the card's base address. You can only determine what the system has assigned. The Vendor ID for the card is 494F. (ASCII for "IO") The Device ID for the card is 10EA. Manual 104i-COM-8SM... -
Page 14: Chapter 5: Programming
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. Manual 104i-COM-8SM... -
Page 15: Chapter 6: Connector Pin Assignments
Pin Ch RS-485 Functions RS-422 Functions RS-232 Functions TX/RX+ TX/RX- Ground Ground Ground TX/RX+ TX/RX- Ground Ground Ground TX/RX+ TX/RX- Ground Ground Ground TX/RX+ TX/RX- Ground Ground Ground Table 6-1: P1 Connector Pin Assignment (8-port and 4-port boards) Manual 104i-COM-8SM... -
Page 16: Table 6-2: P2 Connector Pin Assignment (8-Port Board Only)
Pin Ch RS-485 Functions RS-422 Functions RS-232 Functions TX/RX+ TX/RX- Ground Ground Ground TX/RX+ TX/RX- Ground Ground Ground TX/RX+ TX/RX- Ground Ground Ground TX/RX+ TX/RX- Ground Ground Ground Table 6-2: P2 Connector Pin Assignment (8-port board only) Manual 104i-COM-8SM... -
Page 17: Table 6-3: Db9M Accessory Cable Rs-232 Pin Assignment
Ch A-H Signals (2 Wire) Ch x - 2 TX/RX + Transmit / Receive + Ch x - 4 TX/RX - Transmit / Receive - Ch x - 5 Signal Ground Table 6-5: DB9M Accessory Cable RS-485 Pin Assignment Manual 104i-COM-8SM... -
Page 18: Port To Port Cable Wiring
Ground Ground Port 1 designates the Master, should be an RS-422 (TX not shared) RS-485 4-Wire (not a TIA/EIA standard) Port 2 designates the Slaves, must be an RS-485 (TX shared) Table 6-6: Port to Port Cable Wiring Manual 104i-COM-8SM... -
Page 19: Chapter 7: Specification
Operating Temperature: -40˚C to +85˚C (Extended temp version) Humidity: 5% to 95%, non-condensing -65 ˚C to +125 ˚C Storage Temperature: Power Required: 5V @ 50mA quiescent, 150mA maximum (nothing connected on I/O connectors) Size: PC/104-Plus format, 3.5" x 3.75" Manual 104i-COM-8SM... -
Page 20: Appendix A: Application Considerations
The signal ground line connection is necessary in order to keep the common mode voltage within that range. The circuit may operate without the ground connection but may not be reliable. Manual 104i-COM-8SM... -
Page 21: Table A-1: Rs-422 Specification Summary
+12V to -7V. Since any driver can be disconnected (or tristated) from the line, it must withstand this common mode voltage range while in the tristate condition. Manual 104i-COM-8SM... -
Page 22: Figure A-1: Typical Rs-485 Two-Wire Multidrop Network
The following illustration shows a typical multidrop or party line network. Note that the transmission line is terminated on both ends of the line but not at drop points in the middle of the line. Figure A-1: Typical RS-485 Two-Wire Multidrop Network Manual 104i-COM-8SM... -
Page 23: Customer Comments
If you experience any problems with this manual 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. 10623 Roselle Street, San Diego CA 92121 Tel. (858)550-9559 FAX (858)550-7322 www.accesio.com Manual 104i-COM-8SM...