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Medium Voltage Motor & Feeder Differential Protection

Overview

  • 16-bit microprocessor and 16-bit A/D conversion technique
  • Wide setting ranges for the protection functions
  • Digital signal control inputs (DI) and outputs (DO)
  • Adaptable to various substations and alarm systems
  • Serial connection to automation system
  • Multiple communications protocols
  • Built-in, self-regulating AC/DC converter
  • Built-in 12-channel disturbance recorder
  • Eight programmable stages for alarm or protection purposes
  • SetPointPS relay configuration software included

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Specifications

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SetPointPS Software

SetPointPS is a relay configuration tool for Bulletin 857 and 865 relays. The SetPointPS tool reads all information directly from the device, and it can be used to evaluate disturbance recordings from the relays. The built-in evaluator uses standard COMTRADE files for saving the records. SetPointPS is compatible with all Microsoft® Windows® systems (back to and including Windows 95).

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Additional software products are available from Rockwell Software.

Documentation

Resource Publication Number Language
Bulletin 865 Differential Protection Relay Product Profile 865-PP001
865 Differential Protection Relay For Motor, Transformer and Generator Differential Protection Bulletin 865, Series A Specification Guide 865-SR001
Bulletin 857 Motor/Feeder Protection Relay Quick Start Manual 857-QS001
Bulletin 857 RAA/RAD RTD Scanner User Manual 857-UM002
865 Differential Protection Relay For Motor, Transformer and Generator Differential Protection Bulletin 865, Series A User Manual 865-UM001
SetPointPS Configuration Software Programming Manual 857-PM001
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