Rockwell-automation 2099-BMxx Kinetix 7000 High Power Servo Drive User User Manual Page 31

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Rockwell Automation Publication 2099-UM001D-EN-P - December 2012 31
Install the Kinetix 7000 Drive System Chapter 2
Noise Zones when Using Regenerative Power Supplies (with/without a Line Filter Unit)
Observe the following guidelines when laying out a Kinetix 7000 system panel if
a regenerative power supply (8720-RPSxxxxx) is used (see Figure 10
), and if a
regenerative power supply and line filter unit are used (see Figure 11
on page 32).
Mount the regenerative power supply to the right of the drive.
The clean zone (C) is beneath and left of the Kinetix 7000 drive. This zone
includes the motor feedback, auxiliary feedback and registration signals
from the IOD connector (grey wireway).
The dirty zone (D) is to the right of the Kinetix 7000 drive. This zone
includes the motor power, GPIO, GPR, SO, and IOD connections (black
wireway).
The very dirty zone (VD) includes both the 8720MC-RPS DC output to
the Kinetix 7000 drive and the fuses, contactors, circuit breakers, and AC
line input to the EMC line filter to the right of the 8720MC-RPS.
Shielded cable is required only if the very dirty cables enter a wireway.
The SERCOS fiber-optic cables are immune to electrical noise.
Figure 10 - Establishing Noise Zones (Regenerative Power Supply)
C1
C1
D3
D2
R E
G E NE R
AT IV
E P
O W E
R S U
P
P LY
REGENERATIVE POWER SUPPLY
8720
8720
MC
MC
RST
PRG
ENT
READY
READY
FAULT
FAULT
PROGRAM
PROGRAM
kW
kW
V
A
VD
VD
D2
D1
Route Encoder/Analog/Registration
Shielded Cable
Shielded Cable or
Conduit
Clean Wireway (Cx)
No sensitive
equipment within
150 mm (6.0 in.)
Dirty Wireway (Dx)
Shield Clamps
(beneath cover)
Motor Power
Shielded Cable
8720MC
Line Reactor
Registration I/O
24V DC
Kinetix 7000 Drive
24V DC I/O
Shielded Cable
GPIO, GPR, and SO Cables Dirty Wireway (Dx)
24V DC
Power
Supply
DC Bus 2 m (78.7 in.)
Keep very dirty (VD) connections as short as
possible and segregated (not in wireway)
AC
Line
Filter
Magnetic
Contactor
Line
Fuses
Circuit
Breaker
8720MC-RPS065BM-HV2
Regenerative Power Supply
Harmonic
Filter
Varistor
Encoder Feedback
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