Communicate with your module – Rockwell Automation 1734-IA2_IA4, Series C POINT I/O 120V AC Input Module Installation Instructions User Manual
Page 16
16 POINT I/O 120V AC Input Module
Publication 1734-IN010D-EN-E - March 2013
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.
The POINT I/O output module produces 1 Byte of input data (scanner Tx) (state). It
does not consume data (scanner Rx).
Default Data Map for 1734-IA2
Message size: 1 Byte
7
6
5
4
3
2
1
0
Produces (scanner Rx)
Ch1
Ch0
Consumes (scanner Tx)
No consumed data
Where: Ch0 = Channel 0, Ch1 = Channel 1, 0 = Off, 1 = On
Default Data Map for 1734-IA4
Message size: 1 Byte
7
6
5
4
3
2
1
0
Produces (scanner Rx)
Ch3
Ch2
Ch1
Ch0
Consumes (scanner Tx)
No consumed data
Where: Ch0 = Channel 0, Ch1= Channel 1, Ch2 = Channel 2, Ch3 = Channel 3, 0 = Off, 1= On