Communicating with your module, Default data map for the 1734-iv2 input module, Default data map for the 1734-iv4 input module – Rockwell Automation 1734-IV4/C Point I/O Source Input Module Installation Instructions User Manual
Page 9: Default data map for the 1734-iv8 input module
POINT I/O Source Input Module 9
Publication 1734-IN052D-EN-E - February 2005
Communicating with Your Module
I/O messages are sent to (consumed) and received from (produced) the
POINT I/O modules. These messages are mapped into the processor’s
memory. This POINT I/O input module produces 1 byte of input data
(scanner Rx). It does not consume I/O data (scanner Tx).
Default Data Map for the 1734-IV2 Input Module
Message size: 1 Byte
Default Data Map for the 1734-IV4 Input Module
Message size: 1 Byte
Default Data Map for the 1734-IV8 Input Module
Message size: 1 Byte
7
6
5
4
3
2
1
0
Produces (Rx)
I1
I0
Consumes (Tx)
No consumed data
Where: I0 = channel 0 data, I1 = channel 1 data
7
6
5
4
3
2
1
0
Produces (Rx)
I3
I2
I1
I0
Consumes (Tx)
No consumed data
Where: I0 = channel 0, I1 = channel 1, I2 = channel 2 and I3 = channel 3
7
6
5
4
3
2
1
0
Produces (Rx)
I7
I6
I5
I4
I3
I2
I1
I0
Consumes (Tx)
No consumed data
Where: I0 = channel 0, I1 = channel 1, I2 = channel 2 and
I3 = channel 3, I4 = channel 4, I5 = channel 5, I6 = channel 6,
I7 = channel 7