56 Rockwell Automation Publication 2198-UM002L-EN-P - October 2021
Chapter 2 Plan the Kinetix 5700 Drive System Installation
Accessory Module Selection The requirements for when to use accessory modules vary depending on
whether your system is powered by the 2198-Pxxx DC-bus power supply or
2198-RPxxx regenerative bus supply.
8720MC-RPS regenerative power supplies follow the same requirements as
2198-RPxxx regenerative bus supplies for accessory modules needed for
extended clusters. See 8720MC-RPS wiring examples beginning on page 330
.
On the following pages (by power supply) are system configurations showing
which accessory modules are required. The examples account for single (power
supply) clusters, extended clusters, maximum system current, the input-power
ground configuration, and total motor-cable length. Also included are
flowcharts to help you determine your accessory module requirements.
DC-bus Power Supply Systems
The following system configurations illustrate the minimum number of
accessory modules required.
Figure 21 - DC-bus Power Supply Example/Extended Cluster (104 A, max)
Table 22 - Introduction to Kinetix 5700 Accessory Modules
Accessory Module
Cat. No.
Accessory Module Description
2198-CAPMOD-2240 Capacitor Module
Use 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. Can parallel with itself or with another accessory module for up to 208 A.
2198-CAPMOD-DCBUS-IO Extension Module
The extension module, paired with a capacitor module or DC-bus conditioner module, is used to extend the DC-
bus voltage to another inverter cluster in systems with ≥104 A current and up to 208 A.
2198-DCBUSCOND-RP312 DC-bus Conditioner Module
Decreases the voltage stress on insulation components in an inverter system with long cable lengths and 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. Can
parallel with itself or with another accessory module for applications up to 208 A.
2198-Sxxx-ERSx
2198-Dxxx-ERSx
2198-Sxxx-ERSx
2198-Dxxx-ERSx
2198-Pxxx
2198-CAPMOD-2240
2198-Sxxx-ERSx
2198-Dxxx-ERSx
2198-Sxxx-ERSx
2198-Dxxx-ERSx
2198-CAPMOD-2240
Capacitor
Module
Single-axis
Inverters
Dual-axis
Inverters
DC Bus
Capacitor
Module
Single-axis
Inverters
Dual-axis
Inverters
DC-Bus
Power Supply
DC Bus
This example includes:
•1 Bus group
• 2 Drive clusters
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