Analog Output Modules; Channel Analog Output Modules; Table 390: 2 Channel Analog Output Modules; Table 391: 4 Channel Analog Output Modules - WAGO -I/O-SYSTEM 750 Manual

WAGO-I/O-SYSTEM 750
750-882 Media Redundancy ETHERNET Controller
13.2.4

Analog Output Modules

The hardware of an analog output module has 16 bits of measured analog data
per channel and 8 bits of control/status. However, the coupler/controller with
MODBUS/TCP does not have access to the 8 control/status bits. Therefore, the
coupler/controller with MODBUS/TCP can only access the 16 bits of analog data
per channel, which are grouped as words and mapped in Intel format in the
Output Process Image.
When digital output modules are also present in the node, the analog output data
is always mapped into the Output Process Image in front of the digital data.
Information on the structure of control and status bytes
For detailed information on the structure of a particular I/O module's
control/status bytes, please refer to that module's manual. Manuals for each
module can be found on the Internet at www.wago.com.
13.2.4.1

2 Channel Analog Output Modules

750-550, -552, -554, -556, -560, -562, 563, -585, (and all variations),
753-550, -552, -554, -556

Table 390: 2 Channel Analog Output Modules

Output Process Image
Offset
0
1
13.2.4.2 4 Channel Analog Output Modules
750-553, -555, -557, -559,
753-553, -555, -557, -559

Table 391: 4 Channel Analog Output Modules

Output Process Image
Offset
0
1
2
3
Byte Destination
High Byte
D1
D3
Byte Destination
High Byte
D1
D3
D5
D7
Low Byte
D0 Output Value Channel 1
D2 Output Value Channel 2
Low Byte
D0 Output Value Channel 1
D2 Output Value Channel 2
D4 Output Value Channel 3
D6 Output Value Channel 4
I/O Modules 349
Description
Description
Manual
1.5.0