1734-oe2c analog current output module, Message size: 4 bytes, Message size: 2 bytes – Rockwell Automation 1734-XXXX POINT I/O Digital and Analog Modules and POINTBlock I/O Modules User Manual
Page 167: Channel status, 1734-oe2v analog voltage output module, Message size: 4 bytes message size: 2 bytes

Rockwell Automation Publication 1734-UM001E-EN-P - July 2013
Default Data Maps 175
1734-OE2C Analog Current Output Module
Message Size: 4 bytes
Message Size: 2 Bytes
Channel Status
1734-OE2V Analog Voltage Output Module
Message Size: 4 bytes
Message Size: 2 Bytes
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Consumes (Tx)
Output Channel 0 High Byte
Output Channel 0 Low Byte
Output Channel 1 High Byte
Output Channel 1 Low Byte
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Produces (Rx)
High Byte - Channel 1 Status
Low Byte - Channel 0 Status
Not used
HCA
LCA
CM
CF
Not used
HCA
LCA
CM
CF
Where: CF = Channel Fault status 0 = no error 1 = fault CM = Calibration Mode 0 = normal 1 = calibration mode
LCA = Low Clamp Alarm 0 = no error 1 = fault HCA = High Clamp Alarm 0 = no error 1 = fault
Channel Status Bytes
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Not used
High Clamp
Low
Clamp
CAL Mode
Channel Fault
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Consumes (scanner Tx)
Output Channel 0 High Byte
Output Channel 0 Low Byte
Output Channel 1 High Byte
Output Channel 1 Low Byte
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Produces (scanner Rx)
Channel 1 Status - High Byte
Channel 0 Status - Low Byte
Not used
HCA
LCA
CM
ST
Not used
HCA
LCA
CM
ST
Where: ST = Channel Fault Status; 0 = no error, 1 = fault CM = Calibration Mode; 0 = normal, 1 = calibration mode
LCA = Low Clamp Alarm; 0 = no error, 1 = fault HCA = High Clamp Alarm; 0 = no error, 1 = fault