Control Unit - Siemens Sinamics G120P Instruction Manual

Control Unit

There are various designs for the Control Units. They differ primarily in terms of different field bus inter-
faces. This tutorial will use the example of the CU230P-2 HVAC / BT Control Unit. It offers Modbus RTU,
BACnet MS / TP and USS as field bus interfaces.
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1 Rating plate
2 DIP switch for analog inputs
3 DIP switch for fieldbus address
4 Interface for the Operator
Panel (BOP-2 or IOP-2)
Status LEDs
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Terminals for digital and
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analog inputs and outputs
7 USB interface for STARTER
8 Interface to the Power Module
9 Fastening clips
10 RS485 connector for Fieldbus
Always use the CU screening kit in
order to ensure optimal potential
equalization, fixing and screening
of all bus- and signal cables.
NOTE
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