132 I/O Modules
WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
Manual
Version 2.0.0
Incremental encoder interface
750-637
The incremental encoder interface module appears with 6 bytes of reference data
in the input and output area of the process image, 4 data bytes and two additional
control/status bytes. 6 bytes are occupied in the process image.
Table 128: Input/Output Process Image, Incremental Encoder Interface Module
Input and Output Process Image
Instance
Byte designation
Remark
n
C0/S0
Control/status byte 1
D0
Data values
D1
n+1
C1/S1
Control/status byte 2
D2
Data values
D3
These specialty modules represent 2 x 3 bytes and occupy 2 instances in class
(0x67) and 2 instances in class (0x68).
RTC module
750-640
In both the input and output process image, the RTC module occupies 6 bytes of
user data: 4 data bytes and 1 additional control/status byte, as well as 1 command
byte (ID) each. Six bytes are occupied in the process image with word alignment.
Table 129: Input/Output Process Image, RTC Module
Input and Output Process Image
Instance
Byte designation
Remark
n
C/S
Control/status byte
ID
Command byte
D0
Data bytes
D1
D2
These specialty modules represent 1 x 6 bytes and occupy 1 instance in class
(0x67) and 1 instance in class (0x68).