LEDs, Connectors, Buttons, CLP
2.2 Connections
SIMATIC CC7
Operating Instructions, 10/2019, C79000-G8976-C503-02
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Digital output
The output is a switch that switches the signal at +DO to -DO.
2.2.4 External power supply
External power supply
The connector (socket) for the external 24 V DC power supply is located on the front of the
gateway. The external power supply is redundant (optional use).
The power supply is connected to the gateway with the supplied 5-pin plug-in terminal block.
The connection has a mechanical reverse polarity protection. The terminal block is designed
so that it can only be inserted in one position into the socket of the gateway.
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