Set switch configurations for the main module – Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual User Manual
Page 24
Chapter 2
Installing the Control Coprocessor
2-6
The COMM0 port has no switches to configure.
Set the COMM1 switches to configure the 25-pin asynchronous
communication port.
For this
i ti
Set Switch
communication:
1
2
3
4
5
6
7
RSĆ232C
ON
ON
ON
OFF
OFF
ON
ON
RSĆ422
OFF
OFF
ON
OFF
OFF
OFF
OFF
RSĆ423
ON
ON
ON
OFF
OFF
ON
OFF
RSĆ485
ON
ON
ON
OFF
ON
ON
ON
Set COMM2 and COMM3 switches to configure the 25-pin asynchronous
communication ports.
For this
communication:
Set Switch
communication:
1
2
3
4
5
6
7
RSĆ232C
ON
ON
ON
OFF
OFF
ON
ON
RSĆ422
OFF
OFF
ON
OFF
OFF
OFF
OFF
RSĆ423
ON
ON
ON
OFF
OFF
ON
OFF
RSĆ485
ON
ON
ON
OFF
ON
ON
ON
Set Switch Configurations
for the Main Module
2
1 4
3 6
5 7
=
=
COMM1
Bottom View
OFF (open)
ON (closed)
19406
Set Switch Configurations
for the Serial Expander
Module
Bottom View
OFF (open)
ON (closed)
COMM3
COMM2
2
1
4
3
6
5 7
=
=
2
1
4
3
6
5 7
19407