Rockwell Automation 1734-XXXX POINT I/O Digital and Analog Modules and POINTBlock I/O Modules User Manual
Page 107
Rockwell Automation Publication 1734-UM001E-EN-P - July 2013
POINT I/O Module Data 109
The 1734-OE2V module:
•
consumes 4 bytes of data (scanner Rx) in this format:
–
Channel 0 Data (2 bytes)
–
Channel 1 Data (2 bytes)
•
produces 2 bytes of data (scanner Tx) in this format:
–
Channel 0 Status (1 byte)
–
Channel 1 Status (1 byte)
Default Data Map for the 1734-OE2C Analog Output Module
Message Size: 4 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
Message Size: 2 Bytes
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
Default Data Map for the 1734-OE2V Analog Output Module
Message Size: 4 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
Message Size: 2 Bytes
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