Technical data

I/O Modules • 269
Process Data Architecture for MODBUS/TCP
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
750-635, 753-635
The above Digital Pulse Interface module has a total of 4 bytes of user data in
both the Input and Output Process Image (3 bytes of module data and 1 byte of
control/status). The following table illustrates the Input and Output Process
Image, which have 2 words mapped into each image. Word alignment is ap-
plied.
Input and Output Process Image
Byte Destination
Offset
High Byte Low Byte
Remark
0 D0 C0/S0 Data byte Control/Status byte
1 D2 D1 Data bytes
RTC Module
750-640
The RTC Module has a total of 6 bytes of user data in both the Input and Out-
put Process Image (4 bytes of module data and 1 byte of control/status and 1
byte ID for command). The following table illustrates the Input and Output
Process Image, which have 3 words mapped into each image. Word alignment
is applied.
Input and Output Process Image
Byte Destination
Offset
High Byte Low Byte
Remark
0 ID C/S Command byte Control/Status byte
1 D1 D0
2 D3 D2
Data bytes
DALI/DSI Master Module
750-641
The DALI/DSI Master module has a total of 6 bytes of user data in both the
Input and Output Process Image (5 bytes of module data and 1 byte of con-
trol/status). The following tables illustrate the Input and Output Process Im-
age, which have 3 words mapped into each image. Word alignment is applied.