GMC-SG001E-EN-P-JUN01 Motion Control Selection Guide

1394 Drive System Family 4-17
1394 External Shunt Modules
Shunt modules dissipate excess regenerative power. An external shunt resistor kit (1394-SR10A) is
available for all 5 and 10 kW systems with regenerative loads that exceed the capacity of the internal 200W
shunt resistor. Most 5 and 10 kW systems will not require an external shunt resistor kit.
All 22 kW 1394 system modules require an external shunt module (1394-SR9Ax or 1394-SR36Ax). Shunt
modules with (rms) power output of 300, 900, 1800 and 3600W continuous, 160,000W peak are available
for use with the smart power 22 kW system module. Available in two sizes, each package contains an
integral fuse and terminal block. The 3600W package is available with a 115/230V AC cooling fan. Choose
your shunt module based on the shunt requirements of the 1326Ax-Bxxxx or MPL-Bxxxx servo motors
you plan to run using the 1394.
Figure 4.12
1394 External Shunt Module (1394-SRxxxx)
1394 Shunt Resistor Kit for 5 and 10 kW System Modules Catalog Number
Note: Catalog numbers consist of various characters, each of which identifies a specific version or option
for that component. Use the catalog numbering table chart below to understand the configuration of
your shunt resistor kit. For questions regarding product availability, contact your Allen-Bradley
distributor.
1394 - SR 10A
kW Rating
10A = 1400W continuous, 40,000W peak
Type
SR = Shunt resistor
Bulletin Number
Note: For information regarding specifications and dimensions, refer to Chapter 8, Motion Control
Accessories.
Publication GMC-SG001E-EN-P — June 2001