Mounting and connecting the device
3.3 Connecting the device
SIMATIC IPC677D
Operating Instructions, 09/2014, A5E32995420-AC
39
Requirements
For the equipotential bonding connection, you require:
●
A TORX T20 screwdriver
●
An equipotential bonding cable with a minimum cross-section of 2.5 mm
2
Procedure
1.
Connect the marked equipotential bonding connection (M4 thread)
of the device with the equipotential bonding cable.
Make sure the equipotential bonding cable has contact with the
enclosure over a large area.
2.
Connect the equipotential bonding cable with the central
grounding point of the control cabinet.
Make sure the equipotential bonding cable has contact with the
central grounding point over a large area.
3.3.3
Connecting 100-240 VAC power supply
Note before connecting the device
Note
The varying voltage power supply module is designed for operation on 120/230/240 V AC
networks. The setting of the voltage range takes place automatically.
WARNING
Thunderstorms
Do not connect or disconnect power and data cables during thunderstorms.
WARNING
Operation only in TN networks
The device is designed for operation in grounded power supply networks (TN networks
according to VDE 0100 Part 100, or IEC 60364-1).
Operation on ungrounded or impedance-grounded power networks (IT networks) is
prohibited.
WARNING
Rated voltage
The permitted nominal voltage of the device must conform with local mains voltage.