Power Grounding & Screening - Parker 650G Product Manual

Power Grounding & Screening
Protective Earth (PE) Connections
The unit must be permanently earthed according to EN 50178 - see below. Protect the
incoming mains supply using a suitable fuse or circuit breaker (circuit breaker types RCD,
ELCB, GFCI are not recommended). Refer to "Earth Fault Monitoring Systems", page 3-30.
IMPORTANT: The drive is only suitable for earth referenced supplies (TN) when fitted with an internal
filter. External filters are available for use on TN and IT (non-earth referenced) supplies.
For installations to EN 50178 in Europe:
 for permanent earthing, two individual incoming protective earth conductors (<10mm² cross-
Refer to Chapter 10: "Certification for the Drive" - EMC Installation Options.
Motor Connections
grommet
650G AC Drive
section) or one conductor (>10mm² cross-section) are required. Each earth conductor must
be suitable for the fault current according to EN 60204.
metal cable gland
1
PE
metal gland must
have 360 degree
screened connection
for EMC compliance
EMC
connection
M
standard fitment
2
rubber grommet
(non-EMC compliant)
PE
rubber
power wiring
to motor
M
www.comoso.com
Installing the Drive
armoured
power wiring
to motor
earth clamp connection
3
(Frame C only)
PE
screen
rubber
grommet
screened
power wiring
to motor
EMC
connection
Screened motor connections to be
M
made using a cable gland with a
360 degree screened connection
3-20
gland plate
International
grounding symbol
PE Protective Earth
fit cup washer
over cable screen
gland plate