Communicate with your module – Rockwell Automation 1734-OB2E_4E_8E, Series C POINT I/O Protected Output Module Installation Instructions User Manual
Page 11
1734 POINT I/O Protected Output Module 11
Publication 1734-IN056H-EN-P - May 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 Rx) (status). It
consumes 1 Byte of I/O data (scanner Tx).
Default Data Map for 1734-OB2E
7
6
5
4
3
2
1
0
Produces (scanner Rx)
Not used
Ch1
Ch0
Channel status
Where: 0 = No error, 1 = Error
Message size: 1 Byte
7
6
5
4
3
2
1
0
Consumes (scanner Tx)
Not used
Ch1
Ch0
Channel state
Where: 0 = Off, 1 = On
Default Data Map for 1734-OB4E
7
6
5
4
3
2
1
0
Produces (scanner Rx)
Not used
Ch3
Ch2
Ch1
Ch0
Channel status
Where: 0 = No error, 1 = Error
Message size: 1 Byte
7
6
5
4
3
2
1
0
Consumes (scanner Tx)
Not used
Ch3
Ch2
Ch1
Ch0
Channel state
Where: 0 = Off, 1 = On
Default Data Map for 1734-OB8E
7
6
5
4
3
2
1
0
Produces (scanner Rx)
Ch7
Ch6
Ch5
Ch4
Ch3
Ch2
Ch1
Ch0
Channel status
Where: 0 = No error, 1 = Error
Message size: 1 Byte
7
6
5
4
3
2
1
0
Consumes (scanner Tx)
Ch7
Ch6
Ch5
Ch4
Ch3
Ch2
Ch1
Ch0
Channel state
Where: 0 = Off, 1 = On