Rockwell Automation POINTBlock Series User Manual page 103

Default Data Map for 1734-OB2, 1734-OB2E, and 1734-OV2E Output Module
Message Size: 1 Byte
7 6 5
Produces Not used
(scanner Rx)
Where: 0 = no error, 1 = error
Message Size: 1 Byte
7 6 5
Consumes Not used
(scanner Tx)
Where: 0 = off, 1 = on
(1)
The 1734-OB2, 1734-OB4, and 1734-OB8 Digital dc Output modules do produce one byte of data (Scanner
RX), but it is always zero.
Default Data Map for 1734-OB4, 1734-OB4E, and 1734-OV4E Output Module
Message Size: 1 Byte
7 6 5
Produces Not used
(scanner Rx)
Where: 0 = no error, 1 = error
Message Size: 1 Byte
7 6 5
Consumes Not used
(scanner Tx)
Where: 0 = off, 1 = on
(1)
The 1734-OB2, 1734-OB4, and 1734-OB8 Digital dc Output modules do produce one byte of data (Scanner RX),
but it is always zero.
Default Data Map for 1734-OB8, 1734-OB8E, and 1734-OV8E Output Module
Message Size: 1 Byte
7 6 5
Produces Ch7 Ch6 Ch5
(scanner Rx)
Where: 0 = no error, 1 = error
Message Size: 1 Byte
7 6 5
Consumes Ch7 Ch6 Ch5
(scanner Tx)
Where: 0 = off, 1 = on
(1)
The 1734-OB2, 1734-OB4, and 1734-OB8 Digital dc Output modules do produce one byte of data (Scanner RX),
but it is always zero.
4 3 2 1 0
Ch1 Ch0 Channel status
(1734-OB2E module only)
4 3 2 1 0
Ch1 Ch0 Channel state
4 3 2 1 0
Ch3 Ch2 Ch1 Ch0
4 3 2 1 0
Ch3 Ch2 Ch1 Ch0
4 3 2 1 0
Ch4 Ch3 Ch2 Ch1 Ch0
4 3 2 1 0
Ch4 Ch3 Ch2 Ch1 Ch0
Publication 1734-UM001D-EN-P - April 2008
POINT I/O Module Data 101
(1)
Channel status
(1)
(1734-OB4E module only)
Channel state
Channel status
(1)
(1734-OB8E module only)
Channel state