Block Diagram - Weidmuller UR20-4COM-IO-LINK Manual

4 Module description | Block diagram
4.4

Block diagram

System
bus
U
SYS
GND IN
U
24 V DC IN
IN
U
OUT
Block diagram UR20-4COM-IO-LINK
The numbering of the channels in the u-remote system dif-
fers from the numbering of the IO-Link port as per the IO-Link
specification. The following table shows the assignment
of plug-in connectors and channels to IO-Link ports for the
UR20-4COM-IO-LINK communication module.
Plug-in connector
1
2
3
4
14
µC
IO-Link port Channel
1 0
2 1
3 2
4 3
Manual Communication module UR20-4COM-IO-LINK
µC
GND
4x
C/Q 1
L– 1
1
L+ 1
DI 1
C/Q 2
L– 2
2
L+ 2
DI 2
C/Q 3
L– 3
3
L+ 3
DI 3
C/Q 4
L– 4
4
L+ 4
DI 4
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