Rockwell Automation 1734-OW2_OW4, Series C Point I/O 2 and 4 Relay Output Modules - Manual (Page 13)

POINT I/O 2 and 4 Relay Output Modules 13
Publication 1734-IN055F-EN-E - March 2012
6. Use a small bladed screwdriver to rotate the orange base locking screw to a
vertical position. This releases the locking mechanism.
7. Lift straight up to remove.
Communicate with Your Module
I/O messages are sent to (consumed) and received from (produced) the POINT I/O
modules. These messages are mapped onto the processor’s memory.
This POINT I/O output module does not produce input data (scanner Rx). It consumes
1 Byte of I/O data (scanner Tx).
Default Data Map for 1734-OW2
Message size: 1 Byte
7 6 5 4 3 2 1 0
Consumes (scanner
Tx) Not used Ch
1 Ch
0 Channel
state
Where: 0 = Off, 1 = On
Default Data Map for 1734-OW4
Message size: 1 Byte
7 6 5 4 3 2 1 0
Consumes (scanner
Tx) Not used Ch3 Ch2 Ch
1 Ch
0 Channel
state
Where: 0 = Off, 1 = On