Quick start guide, Aux# assign – Rockwell Automation 825P Modular Protection System Quick Start Guide User Manual

Page 19

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Quick Start Guide

Allen-Bradley Bulletin 825-P Modular Protection System

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19

AUX# Assign

The 825-P allows mapping of protection (trip and warning) and general-purpose
control elements to the auxiliary outputs. Assign functions to the auxiliary relays in
the same manner as performed with the Trip relay settings.

Table G: Auxiliary Relay Functions

Bit

0

1

2

3

4

5

6

7

AUX# A

Overload

Undercurrent

Jam

Current
Imbalance

Short Circuit RTD - W/B

PTC

Ground Fault
(Res)

AUX# B

VAR

Underpower

Under-voltage

Over-voltage

Phase
Reversal

Power Factor

Speed
Switch

Ground Fault
(CB)

AUX# C

Start Time

Freq 1

Freq 2

RTD (Other)

RTD
(Ambient)

PTC Error

RTD Error

MCM Error

AUX# D

Comm Idle

Comm Loss

Remote Trip

Comm Fault

Reserved

Reserved

Reserved

Reserved

AUX# E

Overload
Warn

Undercurrent
Warn

Jam Warn

Curr Imbal
Warn

RTD-W/B
Warn

Pwr Factr Warn Gnd Flt-CB

Warn

Gnd Flt-Res
Warn

AUX# F

VAR Warn

Underpwr Warn Undervolt Warn Overvolt Warn Speed Sw

Warn

Freq 1 Warn

Freq 2 Warn RTD-Othr

Warn

AUX# G

RTD-Amb
Warn

Setting Warn

General Warn

Load Ctl Upper Load Ctl

Lower

Timer 1

Timer 2

Short Ckt
Warn

AUX# H

Stopped State Running State

Starting State

Star Starting
State

Delta
Starting
State

Start Command Network

Control

Reserved

TIP

The AUX# A through AUX# D bytes are used to map trip
functions to the output. The AUX# E through AUX# H
bytes are used to map warning and status functions to the
output.

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