P&B MRAR Manuals

Manuals and User Guides for P&B MRAR. We have 1 P&B MRAR manual available for free PDF download: Manual

P&B MRAR Manual

P&B MRAR Manual (27 pages)

Auto Reclosing Relay

Brand: P&B | Category: Relays | Size: 0 MB

Table of Contents

Table of Contents
2
Introduction
4
Application
5
Features and Characteristics
5
Design
6
Circuit Diagram
6
Information Inputs
6
Output Relays
7
Led's
7
Status Led's
8
Adjusting Led's
8
Remote Data Communication
8
Push Buttons
10
Code Jumpers
10
Password Programming
11
Alarm and Trip Relay Function
11
Working Principles
12
Status Descriptions
12
Inactive
12
Reclaim Time
12
AR Ready
12
AR Starting
12
AR Cycle
12
AR Blocked
13
Description of Status Transition
13
Functional Sequence
14
Switching on the MRAR Relay
14
Switching on the Circuit Breaker Manually
14
Switching off the Circuit Breaker Manually
14
Starting Auto-Reclosing
14
Reclosing Without Success
14
Successful Reclosing
15
Repeated Reclosing
15
External Blocking and Reseting
15
Supervision of the Circuit Breaker Ready Information
15
Operation and Release of the Output Relays
15
Blocking and Cancellation of Blocking
16
Blocking
16
Cancellation of Blocking
16
Circuit Example - Connection Diagram of the MRAR and MRI Together
17
Two Times AR Programming of the Unit, at Second Attempt Successful
18
Two Time Programming of the Unit, Reclosing Unsuccessful
19
Manual Switching on of the Circuit Breaker to Faulty Lines
19
Operation and Adjustment
20
Definition of Setting Values
20
The AR Counter
20
Testing
21
Power on
21
Output Relay Tests
21
Checking the Set Values
21
Checking the CB Status Input Circuit (28-15)
21
Checking the External Block Input Circuit (24-15)
21
Checking the External Reset Input Circuit (25-15)
21
Technical Data
22
Input Circuits
22
Output Relays
22
Setting Ranges and Steps
22
System Data
23
Power Supply
24
Housing
25
Connection Details
26
Order Form
27

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