72 Rockwell Automation Publication MOTION-AT007A-EN-P - May 2020
Appendix B Kinetix 5700 Accessory Modules
Figure 39 - Mixed Architecture Common-bus System
Capacitor Module
The capacitor module is used for energy storage and 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 up to 208 A.
Observe the following capacitor module guidelines:
• Required in each cluster of a multi-cluster system
• More than one capacitor module can be used in a cluster, if needed
• 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.
What type of AC to DC
converter is used?
Start
What is the
external DC-bus
current?
Kinetix 5700
DC-bus Power Supply
Kinetix 5700
Regenerative Bus Supply
Yes
No
Power Supply Cluster:
• Capacitor Module
Power Supply Cluster:
• Capacitor Module
•Extension Module
Is there an
external active shunt
in the system?
≥104 A
up to 208 A, max
Power Supply Cluster:
• Capacitor Module
• DC-bus Conditioner Module
Power Supply Cluster:
• Capacitor Module
• DC-bus Conditioner Module
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