Table Of Contents - Mitsubishi Electric MDU-BN Instruction Manual

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Table of Contents

1. Safety Precautions
2. Precautions for Use
2.1 Standard operating conditions
2.2 Withstand voltage test
2.3 Connection and installation
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2.4 Requests
2.5 Notes on usage
3. MDU Breaker Installation Instructions
3.1 MDU mounting (external mounting for 250 A frame)
3.1.1 Check the wiring of the connection cable
3.1.2 Mounting of MDU mounting plate (Figure 2 and 3)
3.1.3 Mounting of MDU to MDU Breaker main unit
3.2 MDU mounting (external mounting for 400/800 A frame)
3.2.1 Mounting of MDU mounting plate
3.2.2 Mounting of MDU to MDU Breaker main unit
3.3 MDU mounting (panel mounting)
3.3.1 No transmission, electric energy pulse output
3.3.2 With CC-Link communication/MODBUS communication
3.4 Wiring of MDU terminal block
3.4.1 External mounting type
3.4.2 Panel mounting type
4. MDU Features and Functions
4.1 Features of MDU
4.2 Functions of MDU
4.3 Measurement functions
4.3.1 Measurement function list
4.3.2 Measurement rated values/measurement range and accuracy
4.4 Monitoring functions
4.4.1 Monitoring function list
4.5 How to use monitoring functions
4.5.1 MDU Breaker alarms
4.5.2 MDU Breaker status
4.5.3 Fault causes
4.5.4 Electric current demand upper/lower limit alarms
4.5.5 Neutral line open phase alarm (NLA)
4.6 Network Specifications for MDU
4.6.1 Electric energy pulse output
4.6.2 CC-Link communication
4.6.3 MODBUS communication
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