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Electrical Installation
8
Electrical Installation
8.1
Important notes
Only staff qualified and trained in electrical engineering are allowed to wire up the motor.
Always make sure that the motors are de-energized during assembly and wiring, i.e. No vol-
tage may be switched on for any piece of equipment which is to be connected.
Ensure that the switch cabinet remains turned off (barrier, warning signs etc.).
The individual voltages will only be turned on again during setup.
Never undo the electrical connections to the motor while it is energised. A dangerous volta-
ge, resulting from residual charge, can be still present on the capacitors up to 5 minutes af-
ter switch-off of the mains supply.
Measure the DC-link voltage and wait until it has fallen below 40V.
Even when the motor is not rotating, control and power leads may be live.
The ground symbol
must provide an electrical connection, with as large a surface area as possible, between the
unit indicated and the mounting plate in the switch cabinet. This connection is to suppress
HF interference and must not be confused with the PE (protective earth) symbol (protective
measure to EN 60204).
To wire up the motor, use the wiring diagrams in the Installation and Setup Instructions of
the servo amplifier which is used.
16
06/2008
X
, which you will find in the wiring diagrams, indicates that you
BECKHOFF
Servomotors AM3000
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