Rockwell Automation Publication 2198-UM002G-EN-P - February 2019 361
Interconnect Diagrams Appendix A
Figure 186 - 2198 Power Supply with External Active Shunt (external brake resistor)
(1) Configure any available digital input as Shunt Thermal Switch OK. See the Digital Inputs Connector Pinouts on page 103.
(2) Powerohm PWB050 and PWB050-800 shunts require 120V AC between pins 9 and 10 to supply power to the cooling fans.
See Knowledgebase document 1082777 for more information on wiring to
these Powerohm Bulletin PWBxxx active shunts.
For more information on Powerohm products, refer to the documentation
included with those products or online at (http://www.powerohm.com
).
IMPORTANT Due to the 10 A connector current rating, connections to the Active Shunt
(RC) connector on the regenerative bus supply are limited to Powerohm
PKBxxx-xxx active shunts. PWBxxx-xxx active shunt connections must be
made to the 2198-CAPMOD-2240 capacitor module.
3
4
R1
R2
DC+
DC–
DC+
DC–
DC+
DC–
INx
COM
(1)
24V DC
120V AC
9
10
(2)
TS
TS
External DC Bus
Powerohm
External Passive
Shunt Module
Resistor
Thermal
Switch
Digital Input
(IOD) Connector
Powerohm
Bulletin PWBxxx-xxx
Active Shunt Module
4.6 m (15 ft)
Maximum Cable Length
9.1 m (30 ft)
Maximum Cable Length
2198-xxxx-ERSx
Inverter
Fault Contact
2198-Pxxx
DC-Bus
Power Supply
or
2198-RPxxx
Regenerative
Bus Supply
2198-
CAPMOD-2240
Capacitor Module
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