ICS Advent PCI-ICOM422/4, Руководство по эксплуатации продукта

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Page - ix
Table of Contents
Chapter 1: Installation .................................................................................................. 1
Backing Up the Disk ............................................................................................................................. 1
Hard Disk Installation ............................................................................................................................ 1
Installing the Card ................................................................................................................................. 3
Input/Output Connections ..................................................................................................................... 5
Chapter 2: Functional Description .............................................................................. 7
RS-485 Balanced Mode Operation ........................................................................................................ 7
Comm Port Compatibility ...................................................................................................................... 7
Communication Mode ........................................................................................................................... 7
Baud Rate Ranges ................................................................................................................................ 8
Auto-RTS Transceiver Control ............................................................................................................... 8
Block Diagram ...................................................................................................................................... 8
Chapter 3: Option Selection ........................................................................................ 9
Terminations ......................................................................................................................................... 9
Data Cable Wiring ................................................................................................................................. 9
Baud Rate Ranges ............................................................................................................................... 10
Interrupts ............................................................................................................................................. 10
Chapter 4: Address Selection .................................................................................... 13
Chapter 5: Programming ........................................................................................... 15
Sample Programs ................................................................................................................................ 15
RS-422 and RS-485 Programming ....................................................................................................... 15
Initialization ......................................................................................................................................... 15
Baud Rate Divisor Values ..................................................................................................................... 16
Reception ............................................................................................................................................ 17
Transmission ....................................................................................................................................... 18
Chapter 6: Connector Pin Assignments ................................................................... 19
Chapter 7: Specification ............................................................................................ 21
Current Revision 1C
December 2000