Installing and connecting the device
3.3 Connecting the device
SIMATIC IPC377G
Operating Instructions, 07/2022, A5E51366314-AB
33
Procedure
Clamp the cable lug on the function earth.
Firmly attach the cable lug to the function earth connection
on the device using the M4 thread (see part labeled).
Connect the function earth to the function earth connection
of the cabinet or the plant in which the device is installed.
3.3.3 Connecting the power supply
The equipment is designed for operation with Safety Extra
-Low Voltage (SELV) or Protective
Extra-Low Voltage (PELV).
The 24 V DC power supply must be adapted to the input data of the device (see
Technical
(Page 61)).
Requirements
• The function earth is connected.
• You are using the supplied terminal.
• A two-core cable meets the following requirements:
– a copper (Cu) cable cross-section of 0.75 mm
2
to 2.5 mm
2
– rated temperature 75 °C
• Tightening torque: 0.56 Nm
• A slotted screwdriver with approximate 3 mm blade.
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