Siemens SIPROCESS GA700 - Connecting the Power Supply

4.6.3 Connecting the power supply
Note
Securing the IEC connector for Ex-devices
An IEC connector and a guard bracket are enclosed with the device. The guard bracket that is
screwed over the IEC connector protects the IEC connector from being pulled out
unintentionally.
Overview
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


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① Power supply unit ④ Appliance plug
② Equipotential bonding ⑤ Guard bracket for the IEC connector (only in Ex area)
③ Ethernet strain relief (only
in Ex area)
 
Figure4-6 Rear of the rack-mounted device, connecting power supply
Procedure
1. Connect the wires of the connecting cable to the IEC connector ④. Ensure that the power
supply and PE conductor connections are correct!
Tighten the screws in the IEC connector with a torque of:
– 0.5Nm at the terminals
– 0.3Nm at the cable terminals (strain relief) and the connector enclosure.
2. Connect the appliance plug ④ to the power supply unit ①.
Connecting
4.6Connecting the rack-mounted device
SIPROCESS GA700 rack and wall mounted devices
50 Compact Operating Instructions, 06/2023, A5E35134047-AB