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MP Bus Master Module
750-643
The MP Bus Master Module has a total of 8 bytes of user data in both the
Input and Output Process Image (6 bytes of module data and 2 bytes of
control/status). The following table illustrates the Input and Output Process
Image, which have 4 words mapped into each image. Word alignment is
applied.
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
Input and Output Process Image
Byte Destination
Offset
High Byte
0
C1/S1
1
D1
2
D3
3
D5
Process Data Architecture for MODBUS/TCP
Low Byte
extended
C0/S0
Control/Status byte
D0
D2
D4
I/O Modules
Remark
Control/Status
byte
Data bytes
• 227
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