About the Book

Document Scope

The aim of this document is to provide users, installers, and maintenance personnel with the technical information needed to operate the Modbus protocol on the 4 ranges of circuit breakers and switches:

• PowerPact™ P-frame circuit breaker 250-1200 A

• PowerPact™ R-frame circuit breaker 600-3000 A

• MasterPact™ NT circuit breaker 250-1200 A (800 A in ANSI circuit breakers and 1600 A in UL489 fixed circuit breaker only)

• MasterPact™ NW circuit breaker 250-6000 A

Validity Note

This document is valid for MasterPact NT/NW and PowerPact P- and R-frame circuit breakers with a BCM ULP circuit breaker communication module embedded, and connected:

• either to an RS 485 serial line Modbus network using an IFM Modbus-SL interface for one circuit breaker

• or to an Ethernet network using an IFE Ethernet interface for one circuit breaker or an IFE Ethernet switchboard server.

This document describes the registers and commands available for the IMU modules with the following firmware version

You can update the firmware of the IMU modules by using the latest version of EcoStruxure Power Commission.

Refer to the MasterPact Modbus Legacy User Guide Related Documents for communication architectures using:

• the Modbus legacy port of the BCM ULP module

• the IFM interface with the Modbus legacy firmware

Online Information

The information contained in this guide is likely to be updated at any time. Schneider Electric strongly recommends that you have the most recent and up-to-date version available on www.se.com/ww/en/download.

The technical characteristics of the devices described in this guide also appear online. To access the information online, go to the Schneider Electric home page at www.se.com.

Related Documents

You can download these technical publications and other technical information from our website at https://www.se.com/en/download.