BUSCH COBRA NX 0950 A, Инструкция по эксплуатации

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5 | Installation
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NOTICE
The motor frequency is below 20 Hz.
Risk of damage to the machine!
• The motor nominal speed must always be higher than 1200 min
-1
(20 Hz).
NOTICE
Incorrect connection.
Risk of damage to the motor!
• The wiring diagrams given below are typical. Check the inside of the terminal box for
motor connection instructions/diagrams.
5.4.1 Electrical Connection of the Variable-Frequency Drive
The following applies to machines equipped with an on-board variable-frequency drive
(VFD).
• Make sure that the power supply for the drive is compatible with the data on the
nameplate of the variable-frequency drive.
• Make sure that the motor of the machine will not be affected by electric or electro-
magnetic disturbance from the mains; if necessary seek advice from Busch.
• Remove the cover from the Variable-Frequency Drive (VFD). The cover is connected
to the PE terminals with a PE cable. Do not interrupt this cable.
PE cable
• Connect the mains cable as shown in the chapter Wiring Diagram Variable-Frequency
Drive [ ► 19] .