Table 160: Incremental Encoder Interface Modules; Table 161: Incremental Encoder Interface Modules 750-634; Table 162: Incremental Encoder Interface Modules - WAGO I/O-SYSTEM 750 Manual

WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch

Table 161: Incremental Encoder Interface Modules 750-634

Input Process Image
Offset
0
1
2
3
*)
If cycle duration measurement mode is enabled in the control byte, the cycle duration is given as a 24-bit value that is stored
in D2 together with D3/D4.
Output Process Image
Offset
0
1
2
3
750-637, (and all variations)
The above Incremental Encoder Interface Module has a total of 6 bytes of user
data in both the Input and Output Process Image (4 bytes of encoder 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.
Table 162: Incremental Encoder Interface Modules 750-637, (and all variations)
Input and Output Process Image
Offset
0
1
2
3
Byte Designation
High Byte
-
D1
-
D4
Byte Designation
High Byte
-
D1
-
-
Byte Designation
High Byte
-
D1
-
D3
Low Byte
S not used
D0
(D2) *) not used
D3
Low Byte
C not used
D0
-
-
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
I/O Modules 177
Description
Status byte
Counter word
(Periodic time)
Latch word
Description
Control byte
Counter setting word
not used
Description
Manual
Version 1.2.1