Inovance MD880-01S-0751-4 - EMC-Compliant Cable Routing; Basic Rules for Cable Routing; Requirements

3 Electrical Installation
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Peripheral Name Mounting Location Function
Output reactor
Between the AC drive
output side and the
motor (close to the AC
drive)
Harmonics are present in the output side of the AC
drive. If the motor is routed far away from the servo
drive, the following may occur due to large distributed
capacitance in the circuit and certain harmonics that
may generate resonance in the circuit:
a) Degrade motor insulation performance and
damage motor in long run.
b) Fault protections are triggered frequently in the
servo drive due to large leakage current.
If the distance between the AC drive and the motor is
greater than 100 m, it is recommended to install an
AC output reactor.
dv/dt reactor
AC drive output side
(close to the AC drive)
Protects the motor insulation and reduces the bearing
current.
Output magnetic
ring
AC drive output side
(close to the AC drive)
Reduces bearing current.
Motor AC drive output side Use an appropriate motor.
NOTE
◆
Do not install a capacitor or surge protection device (SPD) on the output
side of AC drive. Failure to comply will result in faults or damage to the
capacitor and surge protection device.
◆
Harmonics are present in the inputs/outputs (main circuit) of the AC drive,
which may interfere with the communication device connected to the AC
drive. Therefore, install an interference 󶍾lter to minimize the interference.
3.4 EMC-Compliant Cable Routing
Read
"Safety Instructions"
thoroughly and follow the instructions.
3.4.1 Basic rules for Cable Routing
Follow the basic rules below when wiring the AC drive in the cabinet.
■
Comply with EMC guidelines.
■
Use existing routing for cable assemblies.
■
Always use the shield plates provided.
■
Use existing cabling path.
■
Take cable protective measures at places such as cabinet corners or sharp objects.
■
Re󶍾t any covers removed during cable routing before completing the work and
commissioning.
3.4.2 Requirements
1) The signal cables and power cables must be routed separately:
When analog signals are used for remote control of the AC drive, the signal cables