1.7 Electrical Installation
Connector position and wiring overview (➜ # 61), connector pinout (➜ # 67)
Only professional staff who are qualified in electrical engineering are allowed to install the
drive. Wires with color green with one or more yellow stripes must not be used other than for
protective earth (PE) wiring.
DANGER
High Voltage up to 900 V!
There is a danger of serious personal injury or death by electrical shock or electrical arcing.
Capacitors can still have dangerous voltages present up to 5 minutes after switching off the
supply power. Control and power connections can still be live, even if the motor is not rotat-
ing.
Only install and wire the equipment when it is not live.
Make sure that the cabinet is safely disconnected (for instance, with a lock-out and warn-
ing signs).
Never remove electrical connections to the drive while it is live.
Wait at least 5 minutes after disconnecting the drive from the main supply power before
touching potentially live sections of the equipment (e.g. contacts) or undoing any con-
nections.
To be sure, measure the voltage in the DC bus link and wait until it has fallen below 50 V.
Wrong mains voltage, unsuitable motor or wrong wiring will damage the drive. Check the
combination of drive and motor. Compare the rated voltage and current of the units.
The fusing of the mains power, logic power and regen resistor must be installed by the user,
best values (➜ # 66). Excessively high external fusing will endanger cables and devices.
Hints for use of residual-current circuit breakers (RCD) see Installation Manual.
The drive status shall be monitored by the PLC to acknowledge critical situations. We
recommend wiring the ready to operate relay contact in series into the emergency off circuit
of the installation. The emergency off circuit must operate the supply contactor.
Since the leakage current to PE is more than 3.5 mA, in compliance with IEC61800-5-1 the
PE connection must either be doubled or a connecting cable with a cross-section >10 mm²
must be used. Use the PE terminal and the PE connection screws in order to fulfill this
requirement.
Guide to electrical installation
Install the drive electrical system as follows:
1. Select cables in accordance with IEC 60204 .
2. Install shielding and ground the drive.
For EMC-compliant shielding and grounding, see Installation Manual.
Ground the mounting plate, motor housing and CNC-GND of the control system.
3. Wire the drive and connectors.
Observe the "Recommendations for EMI noise reduction": see Installation Manual
Connect all interface according to the connector pin assignments.
4. Check the wiring against the wiring diagram and connector pin assignments.
AKD2G Product Safety Guide | 1 English
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