74 Rockwell Automation Publication MOTION-AT007A-EN-P - May 2020
Appendix B Kinetix 5700 Accessory Modules
DC-Bus Conditioner Module
The DC-bus conditioner module decreases the voltage stress on insulation components in an inverter system with long cable lengths and can
be used to extend the DC-bus voltage to another inverter cluster. Modules are zero-stacked with servo drives and use the shared-bus
connection system to extend the external DC-bus voltage in applications up to 104 A. The module can be paralleled with itself or with another
accessory module for applications up to 208 A.
Observe the following DC-bus conditioner module guidelines:
• A DC-bus conditioner module is required on all Kinetix 5700 extended clusters
• A DC-bus conditioner module is required on the power supply cluster if a regenerative bus supply or external active shunt is included
in the system.
• When a DC-bus conditioner module is installed and there is no use-case for installation, the module does not provide any benefit
• Flexible bus-bars are included with only the 2198-CAPMOD-DCBUS-IO extension module. So, if you have two capacitor modules, two
DC-bus conditioner modules, or a capacitor module and DC-bus conditioner module mounted side by side, you must order the
2198-KITCON-CAPMOD2240 or 2198-KITCON-DCBUSCOND connector set separately.
Figure 42 - DC-bus Conditioner Module Block Diagram
You can configure any of the regenerative bus supply digital inputs as Bus Conditioner OK in the Logix Designer application to monitor the
Module Status output. Refer to Kinetix 5700 Servo Drives User Manual, publication 2198-UM002
, to see how the regenerative bus supply Digital
Inputs category is configured.
DC-bus Input
Link Connector
DC-bus Output
Lug Connector
Module Status
Status Indicator
DC-bus Status
Status Indicator
Module Status
(MS) Connector
Fuse Detection and
Over Temperature
Protection
DC-bus Detection
Fuse
Conditioning Circuit
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