Wiring The Power Supply Module; Disconnecting Power Supply Connector - Siemens S7-400 Installation Manual

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4.13

Wiring the Power Supply Module

Power Supply Connector
You use the power supply connector to connect a power supply module to your
supply. When delivered, the power supply connector is plugged into the power
supply module. There are two versions (AC and DC) of power supply connector.
The two versions are coded, meaning an AC connector can only be plugged into
an AC power supply module, and a DC connector can only be plugged into a DC
power supply module.
Disconnecting the Power Supply Connector
Before wiring, you must unplug the power supply connector from the power supply
module.
1. Open the cover of the power supply module.
2. Detach the connector by levering it off with a suitable tool, for example, a
screwdriver, at the opening provided (1).
3. Pull the connector forward and out of the power supply module (2).
Figure 4-10 Disconnecting power supply connector
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
(1)
(2)
Wiring the S7-400
4-21

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