User manual
Table of Contents
Chapter 1: Introduction..................................................................................................................................... 5
Specifications................................................................................................................................................. 7
Figure 1-1: 422 Block Diagram(Only one serial channel shown)................................................................ 8
Figure 1-2: 485 Block Diagram ................................................................................................................... 8
Chapter 2: Installation....................................................................................................................................... 9
Chapter 3: Option Selection........................................................................................................................... 11
Figure 3-1: Simplified Termination Schematic .......................................................................................... 11
Figure 3-2: Option Selection Map ............................................................................................................. 13
Chapter 4: Address Selection........................................................................................................................ 14
Chapter 5: Programming ................................................................................................................................ 15
Table 5-1: Baud Rate Divisor Values ........................................................................................................ 15
Chapter 6: Connector Pin Assignments ....................................................................................................... 18
Table 6-1: Connector Pin Assignments..................................................................................................... 18
Appendix A: Application Considerations ..................................................................................................... 19
Table A-1: Connections Between Two RS422 Devices............................................................................ 19
Table A-2: RS422 Specification Summary................................................................................................ 20
Figure A-1: Typical RS485 Two-Wire Multidrop Network ......................................................................... 21
Manual PCI-ICM-422(485)/2(4)
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