Mounting, connecting up and commissioning
3.3 Connecting readers / serial devices
SIMATIC RF120C
Operating Instructions, 02/2021, C79000-G8976-C328-03
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3.3 Connecting readers / serial devices
When connecting non-specified devices to the RF120C, it is possible that the connected
A pre-assembled cable therefore permits the optimum and simple connection of the reader.
The standard version of the connecting cable is available in lengths 2 m, 5 m and 10 m.
Figure 3-2 Opening the doors in the housing of the RF120C
To connect the cable, open the lower door in the housing as shown in the figure and connect
the reader or serial device using the D-sub cable and the 9-pin D-sub socket of the
communications module.
When a SIMATIC MV320 optical reader is connected to a communications module, you need
to secure the MV320 connecting cable with strain relief. This strain relief can be provided by
means of a cable clamp, for example. Secure the MV320 connecting cable by fixing the
cable to the rack between the D-sub connector and the cable curve of the MV320
connecting cable using the strain relief.
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