Operator Controls And Displays - Siemens SIMATIC EMS400S Operating Instructions Manual

Operator controls and displays

The following figure shows the operator controls and displays.
On-off switch
The carrier controller is equipped with an on-off switch. The on-off switch is used to connect
or disconnect the power supply of contact conductors L1, L2 and L3 to the carrier controller.
The RAIL connection is not switched off.
The on-off switch has 2 positions. The 0 and 1 positions are marked on the switch.
Switch position
Carrier controller
Operating Instructions, 09/2013, A5E03474162-02
Meaning
Power to the carrier controller is switched off
Power to the carrier controller is switched on
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