BECKWITH ELECTRIC M-0420 Manuals

BECKWITH ELECTRIC M-0420 Manuals

Manuals and User Guides for BECKWITH ELECTRIC M-0420. We have 1 BECKWITH ELECTRIC M-0420 manual available for free PDF download: Instruction Book

BECKWITH ELECTRIC M-0420 Instruction Book

BECKWITH ELECTRIC M-0420 Instruction Book (174 pages)

Multifunction Relay

Brand: BECKWITH ELECTRIC | Category: Relays | Size: 2 MB

Table of Contents

Table of Contents
1
Chapter 1 Introduction

5
- Foreword
  9
- Before You Begin
  10
- Configuration as Shipped
  10
- Description
  11
- Traditional Relaying Vs the M-0420 Multifunction Relay
  12
  - Design Considerations
    13
- M-0420 Block Diagram
  14
  - User Considerations
    15
  - Options
    16
  - Accessories
    17
  - References
    17
Chapter 2 Application

19
Chapter 3 Front Panel Controls

53
- Introduction
  53
- Target/Status Indicators and Controls
  54
- M-0420 Front Panel
  54
  - Serial Interfaces (COM1 and COM2)
    55
Chapter 4 Operation

57
- Introduction
  57
- Software Flow
  57
  - Power-On Self-Test and Status Screens
    57
  - Default Message Screens
    57
  - Software Flow
    58
  - Default Message Screens
    60
  - Access Screens
    61
  - Menu Flow
    61
- Moving between Menus
  61
- Entering Values
  61
- Access Screens
  62
- Front Panel Operation
  63
  - Access Codes
    64
  - Enabling and Disabling Relay Functions
    64
Chapter 5 Menu Reference

65
Chapter 6 Installation

93
- Initial Setup Procedure
  93
- Commissioning Checkout
  94
- DIP Switches
  96
- Internal Configuration DIP Switch–60 Hz
  97
  - Mechanical/Physical Dimensions
    98
- Mounting Dimensions for Westinghouse FT-41 Cabinet
  99
- M-0420 Side View
  100
- External Connections
  101
  - Suggested VT Connections
    102
  - UL-Listed Terminal Block Connections
    102
Chapter 7 Test Procedures

103
- Introduction
  103
- Unit Setup
  103
- Equipment Required
  104
- Test and Equipment Setup
  104
- Initial Settings
  105
- Voltage Input Configuration
  106
  - Diagnostic Test Procedures
    107
    
    Output Test
    107
    
    Input Test
    108
    
    LED Test
    109
    
    Button Test
    109
    
    Display Test
    110
    
    Backlight Test
    110
    
    COM1 Test
    111
    
    COM2 Test
    111
    
    Other Diagnostic Mode Commands
    112
    
    Power-On Self-Test
    113
    
    RMS Overvoltage, 3-Phase
    114
    
    RMS Overvoltage, Neutral Circuit or Zero Sequence
    116
    
    Peak Overvoltage
    118
    
    RMS Undervoltage, 3-Phase
    120
    
    RMS Undervoltage, Neutral Circuit or Zero Sequence
    122
    
    FL V.T. Fuse Loss Detection
    124
    
    Over Frequency
    125
    
    Under Frequency
    126
    
    Instantaneous Overcurrent, 3-Phase
    127
    
    Instantaneous Overcurrent, Neutral
    128
    
    Inverse Time Overcurrent, 3-Phase
    130
    
    51VC Inverse Time Overcurrent with Voltage Control, 3-Phase
    132
    
    51VR Inverse Time Overcurrent with Voltage Restraint, 3-Phase
    134
    
    Inverse Time Overcurrent, Neutral
    136
    
    Negative Sequence Overcurrent
    137
    
    Phase Directional Overcurrent
    138
    
    Directional Power, Forward Power, 3-Phase
    140
    
    R Directional Power, Reverse Power, 3-Phase
    142
    
    Reconnect Time Delay
    144
  - Self-Calibration Procedure
    145
    
    Calibration Procedure
    146
Chapter 8 Design Changes

147
- Host Processor Software Versions
  147
  - A.1 Introduction
    149
  - A.2 System Block Diagram
    150
  - A.3 Discrete Fourier Transform
    151
Appendix A Theory of Operation

152

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