7.1.1 Terminal assignment of the 230 V AC power supply
The connection is used for the power supply of the system centre and is located at the bottom on the device.
Connection to the power supply
Terminal No. Function
N, L, PE 230 V AC power supply (SUPPLY):
Neutral conductor, phase 230 V AC, PE (ground conductor)
PE on grounding screw M4 PE (ground conductor) with ring cable lug on device cage
Requirements for the connection cable
As the system centre does not have an integrated disconnecting device in the form of a power switch, the
followingmustbeimplemented:
a) a switch or circuit breaker must be installed in the system or building installation,
b) this must be suitably positioned, not far away from and easily accessible for the user and
c) this must be labelled as disconnecting device for the device.
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DANGER
Warning about dangerous electrical voltage!
Danger of electric shock! BEFORE connecting and disconnecting, it must be checked that the
230 V AC power supply cable is disconnected from the power supply! The controller is only
permitted to be connected to the intended mains power supply!
Instruction for protective earthing: The ground conductor must also be connected to the
grounding screw M4 on the rear side of the device cage using a ring cable lug.
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In order to fuse the mains power line, a circuit breaker with the following characteristics must be used:
Rated current for 230 V AC: 6 A
Tripping characteristic (typical): B
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