Rockwell Automation Publication 2198-UM002L-EN-P - October 2021 49
Chapter 2 Plan the Kinetix 5700 Drive System Installation
Passive Shunt Considerations
The 2198-Pxxx DC-bus power supplies all include an internal shunt that is
wired to the shunt resistor (RC) connector at the factory. Bulletin 2198-Rxxx
external passive shunts are available to provide additional shunt capacity for
applications where the internal shunt capacity is exceeded.
Catalog numbers 2198-R014, 2198-R031, and 2198-R127 are composed of resistor
coils that are housed inside an enclosure. Catalog number 2198-R004 is a shunt
resistor without an enclosure.
Figure 18 - External Passive Shunts
How the Bulletin 2198-Rxxx shunts connect to the 2198-Pxxx DC-bus power
supply is explained in External Passive-shunt Connections
on page 172 and
illustrated with interconnect diagrams in Passive Shunt Wiring Examples
on
page 337
.
IMPORTANT
Keep the DC-bus power supply internal shunt wires connected unless
you have an external passive shunt to connect.
IMPORTANT
2198-RPxxx regenerative bus supplies do not support passive shunts.
The active shunt (RC) connector is used for making active shunt
connections.
Table 15 - DC-bus Power Supply Passive-shunt Options
DC-bus Power Supply
Cat. No.
Internal Shunt Specifications
External Shunt Module Compatibility
(1)
Cat. No.
Ω W 2198-R127 2198-R031 2198-R014 2198-R004
2198-P031
37.5 75
––XX
2198-P070 – – X X
2198-P141
13.5 200
XXXX
2198-P208 X X X X
(1) Shunt resistor selection is based on the needs of your actual hardware configuration.
2198-R014, 2198-R031,
and 2198-R127
Shunt Modules
2198-R004
Shunt Resistor
Table 16 - External Shunt Module Specifications
Shunt Module
Cat. No.
Resistance
Ω
Continuous Power
W
Weight, approx
kg (lb)
2198-R004 33 400 1.8 (4.0)
2198-R014 9.4 1400 9.1 (20)
2198-R031 33 3100 16.8 (37)
2198-R127
(1)
(1) This product presents a lift hazard. To avoid personal injury, use care when lifting the product.
13 12,700 22.2 (49)
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