Rockwell Automation 2090-SRxxx External Shunt Modules Installation Instructions - Manual (Page 10)

Publication 2090-IN004B-EN-P — June 2008
10 External Shunt Modules
When mounting your shunt module inside the enclosure, follow these
additional guidelines:
•
Metal-clad modules can be mounted anywhere in the dirty zone,
but as close to the Ultra3000 drive as possible.
•
Shunt DC-bus wires can be run with motor power cables.
•
Keep unshielded wiring as short as possible. Keep shunt DC-bus
wiring as flat to the cabinet as possible.
•
Separate shunt DC-bus cables from other sensitive, low voltage
signal cables.
External Shunt Resistor Mounted Inside the Enclosure
C
C
VD
D
D
VD
D
D
1394 Digital Servo Controller
300W Shunt Module
BULLETIN 1394 300W SHUNT MODULE
ALLEN-BRADLEY
FOR USE WITH 1394-SJT22-X SYSTEM MODULE
CAT. PART SER. INPUT DC INPUT AC FOR FUSE REPLACEMENT USE:
BUSSMAN CAT. NO.
R
Motor
DC Bus
100-240 VAC 50/60 Hz
L1 AUX
L2/N
AUX
L2/N
L1
-
+
W
V
TB1
External Shunt 3
2
1 Internal
TB2
U
Dirty Wireway Clean Wireway
Motor Power Cable
Route Motor Power
Shielded Cable Route Encoder/Analog/Registration
Shielded Cables
Enclosure
24V
Power Supply
Circuit
Breaker
XFMR
AC
Line Filter
DC
Filter
Contactors
Ultra3000
(460V) Drive
System
Very dirty power connections
segregated (not in wireway).
Very dirty shunt connections
segregated (not in wireway).
Maximum length is 3.05 m (10 ft).
Shunt DC-bus Wiring Methods:
Twisted pair in conduit (1st choice).
Shielded twisted pair (2nd choice).
Twisted pair, 2 twists per foot, min (3rd choice).
150 mm (6.0 in.)
clearance, min on all four
sides of the shunt module.