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392 I/O Modules
WAGO-I/O-SYSTEM 750
750-882 Media Redundancy ETHERNET Controller
Manual
1.5.0
Output Process Image
Instance
Byte Destination
Description
High Byte
Low Byte
n
reserved
C0
reserved
Control byte C0
D1
D0
Process data*) / Mailbox**)
D3
D2
D5
D4
C3
D6
Control byte C3 Process data*) /
reserved**)
C1
C2
Control byte C1 Control byte C2
*)
Cyclic process image (Mailbox disabled)
**)
Mailbox process image (Mailbox activated)
The specialty modules represent 1x12 bytes input and output data and seize 1
Instance in Class (0x67) and 1 Instance in Class (0x68).
13.3.5.10 RTC Module
750-640
The RTC Module has a total of 6 bytes of user data in both the Input and Output
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.
Table 461: RTC Module 750-640
Input and Output Process Image
Instance
Byte Destination
Description
High Byte
Low Byte
n
ID
C/S
Command byte Control/status
byte
D1
D0
Data bytes
D3
D2
The specialty modules represent 1x6 bytes input data and seize 1 Instance in
Class (0x67).and seize 1 Instance in Class (0x68).