User Documentation

Table Of Contents
4 Moduledescription | Device description
12 2547720000/03/09.2019Manual Communication module UR20-4COM-IO-LINK
4.1 Device description
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Communication module UR20-4COM-IO-LINK
1 Release lever for DIN rail fixing
2 System bus
3 System current path
4 Input current path
5 Output current path
6 Seats for module markers
7 Type designation
8 Connector frame unlocking device
9 Module status LED (collective message)
10 Connector
11 Channel status LED
12 Latching hook for latching onto module sides
13 DIN rail foot
14 Type plate
I/O-Module components
1 Base module
2 Electronic unit
3 Removal lever for electronic unit
4 Connector frame
5 Connector
6 Plug-in unit