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242 •
I/O Modules
Process Data Architecture for EtherNet/IP
The specialty modules represent 2x3 bytes input data and seize 2 Instances in
Class (0x67).
And the specialty modules represent 2x3 bytes output data and seize 2
Instances in Class (0x68).
Pulse Width Modules
750-511, (and all variations)
The above Pulse Width modules have a total of 6 bytes of user data in both the
Input and Output Process Image (4 bytes of channel data and 2 bytes of
control/status). The two channel values are supplied as 16 bits. Each channel
has its own control/status byte. The following table illustrates the Input and
Output Process Image, which has a total of 4 words mapped into each image.
Word alignment is applied.
The specialty modules represent 2x3 bytes input and output data and seize 2
Instances in Class (0x67) and 2 Instances in Class (0x68).
Byte Destination
Offset
High Byte
0
-
1
D1
2
-
3
D3
Byte Destination
Offset
High Byte
0
-
1
D1
2
-
3
D3
Input and Output Process Image
Byte Destination
Offset
High Byte
0
-
1
D1
2
-
3
D3
Input Process Image
Low Byte
S0
Status byte of Counter 1
D0
Counter Value of Counter 1
S1
Status byte of Counter 2
D2
Counter Value of Counter 2
Output Process Image
Low Byte
C0
Control byte of Counter 1
D0
Counter Setting Value of Counter 1
C1
Control byte of Counter 2
D2
Counter Setting Value of Counter 2
Low Byte
C0/S0
Control/Status byte of Channel 1
D0
Data Value of Channel 1
C1/S1
Control/Status byte of Channel 2
D2
Data Value of Channel 2
Remark
Remark
Remark
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
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