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Communicate with the Module
POINT I/O modules send (produce) and receive (consume) I/O data (messages). You
map this data into the memory of the processor.
The 1734-IV2, 1734-IB4, and 1734-IV78 modules produce 1 byte of input data (scanner
Rx). The modules do not consume I/O data (scanner Tx).
Default Data Map for 1734-IV2
Message Size: 1 Byte
Produces (Rx)
Consumes (Tx)
Where:
Default Data Map for 1734-IV4
Message Size: 1 Byte
Produces (Rx)
Consumes (Tx)
Where:
Default Data Map for 1734-IV2
Message Size: 1 Byte
Produces (Rx)
Consumes (Tx)
Where:
Rockwell Automation Publication 1734-IN052F-EN-E - January 2019
7
6
5
No consumed data
I0 = Channel 0, I1 = Channel 1
7
6
5
No consumed data
I0 = Channel 0, I1 = Channel 1, I2 = Channel 2, I3 = Channel 3
7
6
5
I7
I6
I5
No consumed data
I0 = Channel 0, I1 = Channel 1, I2 = Channel 2, I3 = Channel 3,
I4 = Channel 4, I5 = Channel 5, I6 = Channel 6, I7 = Channel 7
POINT I/O Source Input Modules
4
3
2
4
3
2
I3
I2
4
3
2
I4
I3
I2
1
0
I1
I0
1
0
I1
I0
1
0
I1
I0
19
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