Allen-Bradley COMMON BUS PRECHARGE BOARD REPLCMNT Installation Instructions

The Allen-Bradley COMMON BUS PRECHARGE BOARD REPLCMNT is a crucial component for various Allen-Bradley drives, including the 1336 PLUS, PLUS II, FORCE, and IMPACT models. This board is responsible for precharging the common bus, ensuring the safe and reliable operation of the drive system. It is designed for use with Frames C through H drives, providing a robust and efficient solution for power management.

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Allen-Bradley COMMON BUS PRECHARGE BOARD REPLCMNT Installation Instructions | Manualzz

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Key features

  • Precharges common bus
  • Supports Frames C-H drives
  • ESD sensitive components
  • 24V DC or 120V AC operation
  • Easy installation and maintenance
  • Robust and reliable design
  • Compatible with various Allen-Bradley drives

Frequently asked questions

The common bus precharge board is responsible for precharging the DC bus in the drive system, ensuring safe and reliable operation by preventing surges and ensuring a controlled startup sequence.

This precharge board is compatible with Allen-Bradley 1336 PLUS, PLUS II, FORCE, and IMPACT drives, specifically for Frames C through H.

Before attempting any work on the drive, you must disconnect power and verify that the DC bus is fully discharged. This can be done by measuring the voltage across the +DC and -DC terminals of TB1. The voltage should read 0.0VDC.
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