Rockwell Automation Publication 5069-UM003B-EN-P - January 2020 23
Compact 5000 I/O Serial Module Operation Chapter 2
• Channel 0 = Generic ASCII, Channel 1 = Modbus Master - Three
connections are made between the owner-controller and the module
Tab le 3
shows the total number of connections for all protocol combinations.
Table 3 - I/O Connections For Each Protocol Combination
CH0 Protocol Choice (Cannot select DF1 or DH-485)
Disabled Generic ASCII Modbus Slave Modbus Master
CH1 Protocol Disabled 0 connection 1 connection 1 connection 2 connections
Generic ASCII 1 connection 2 connections 2 connections 3 connections
Modbus Slave 1 connection 2 connections 2 connections 3 connections
Modbus Master 2 connections
(1)
3 connections 3 connections 4 connections
DF1 Point to Point 1 connection 2 connections 2 connections 3 connections
DF1 Master 1 connection 2 connections 2 connections 3 connections
DF1 Slave 1 connection 2 connections 2 connections 3 connections
DF1 Radio Modem 1 connection 2 connections 2 connections 3 connections
DH-485 1 connection 2 connections 2 connections 3 connections
(1) The Modbus Master can have 1 or 2 connections depending on the command list configuration.
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