Rockwell Automation 825P Modular Protection System Quick Start Guide - Manual (Page 16)

Quick Start Guide — Allen-Bradley Bulletin 825-P Modular Protection System
16
Programming
Protection
Parameters Use the following path with the front panel programming keys to access the
protection parameter settings:
MAIN > Set/Show > Relay > [Group]
See Appendix A for more details.
Output Relay and
Input Assignments After the operational and protection parameter values are set, the next step is to
assign these functions to the relays.
Table E: Protection Parameters
Group Description
Overload Settings Thermal overload
Short Ckt Settings Short circuit
GF-CB Settings Ground/earth fault (core balance method)
GF-Res Settings Ground/earth fault (residual method)
Jam Settings Mechanical jam (overcurrent)
Undercurrent Settings Current-based underload detection
Current Imb Settings Current imbalance (asymmetry)
Prot. Disable Settings to disable protection elements during motor starting for a
user-specified time period
Start Monitoring Stall protection on motor start (current-time based)
Star-Delta Settings Settings for star-delta control
Start Inhibt Set Settings for starts/hour and antibackspin
Phase Rev Settings Phase reversal (sequence)
Speed Sw Set Stall protection on motor start (speed switch input monitoring)
PTC Settings Thermistor monitoring
RTD Settings RTD settings for use with optional RTD Scanner
Undervoltage Settings Voltage monitoring with optional voltage input card
Overvoltage Settings Voltage monitoring with optional voltage input card
VAR Settings Reactive power
Underpower Settings Power-based underload detection
Power Factor Settings Displacement power factor monitoring
Freq Settings Line frequency monitoring
Load Control Settings Settings for relay control based on motor loading