Rockwell-automation 1747-KE,D17476.12 DH-485/RS-232C Interface Module User Manual Page 7

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Publication 1747-UM005B-EN-P - March 2006
Table of Contents iii
DF1 Full-duplex Setup Parameters . . . . . . . . . . . . . . . . 6-10
DF1 Half-duplex Setup Parameters . . . . . . . . . . . . . . . . 6-11
Build the DH-485 Configuration Packet . . . . . . . . . . . . . . . 6-12
DH-485 Port Setup Parameters . . . . . . . . . . . . . . . . . . . 6-12
Build the Modem Init String Configuration Packets . . . . . . . 6-13
Modem Init String for Characters 1 Through 14 . . . . . . . 6-14
Modem Init String for Characters 15 Through 28 . . . . . . 6-15
Use the Real Time Clock . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
Establish a Data Echo Between the Interface Module and
the SLC Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Reset the Interface Module from the SLC Processor. . . . . . . 6-18
Chapter 7
Interpret the LED Indicators
Interface Module Status Indicators . . . . . . . . . . . . . . . . . . . 7-1
Input Image Description . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Status Codes from the Module to the Processor . . . . . . . . . 7-3
SLC Fault Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Chapter 8
Application Examples
Basic Configuration Example Using the Backplane . . . . . . . 8-1
Parameter Locations. . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Parameter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
Configuration Results . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
Backplane Configuration User Program. . . . . . . . . . . . . 8-4
Configuration Data Table . . . . . . . . . . . . . . . . . . . . . . . 8-8
Supplementary Example Using the Backplane . . . . . . . . . . 8-9
Real Time Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Parameter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Data Echo Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11
RSLogix Software to SLC Network via Modem Example . . . 8-14
Configure the Module’s Serial Port . . . . . . . . . . . . . . . . 8-15
Configure the DF1 Modem Driver Using RSLinx 2.x or
Later. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16
Go Online using RSLogix 500 Software and RSLinx
Version 2.x and Later . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25
Appendix A
Specifications
Hardware Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Port Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Maximum Communication Distances . . . . . . . . . . . . . . A-3
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