Table of Contents
Cautions before using ............................................................................................................................
ⅰ
1-1 Features................................................................................................................................................... 1
1-2 Unit’s Name and Part Numbers............................................................................................................... 1
1-2-1 Main unit......................................................................................................................................... 1
1-2-2 Dedicated Current Transformer (CT)............................................................................................. 1
1-2-3 Options........................................................................................................................................... 1
1-3 Measurement items ................................................................................................................................. 2
2-1 Parts Names ............................................................................................................................................ 3
2-2 Select Keys’ Functions ............................................................................................................................ 3
3-1 Instantaneous electric power / Integrated Electrical energy.................................................................... 4
3-2 Current..................................................................................................................................................... 5
3-3 Voltage..................................................................................................................................................... 5
3-4 Electricity Charge..................................................................................................................................... 6
3-5 Hour Meter............................................................................................................................................... 6
3-6 Count Value / Preset Value ..................................................................................................................... 7
4-1 LOCK mode ............................................................................................................................................. 8
4-2 CT Direction Notification (POWER Measurement).................................................................................. 8
4-3 Counter function (PULSE measurement) ................................................................................................ 8
4-3-1 Operation mode ............................................................................................................................. 8
4-3-2 Change the Preset Value............................................................................................................... 8
5-1 Operation procedure................................................................................................................................ 9
5-2 Setting Mode Explanation...................................................................................................................... 10
5-2-1 MODE (Select input method) ....................................................................................................... 10
5-2-2 MODE1 ........................................................................................................................................ 10
5-2-3 MODE2 ........................................................................................................................................ 13
5-2-4 MODE3 ........................................................................................................................................ 14
5-2-5 MODE4 ........................................................................................................................................ 15
Chapter 6 Installation and Wiring .......................................................................................................16
6-1 Panel Cut-out dimensions ..................................................................................................................... 16
6-2 Panel mounting diagram........................................................................................................................ 16
6-3 Wiring..................................................................................................................................................... 17
6-3-1 Terminal arrangement.................................................................................................................. 17
6-3-2 Power measurement.................................................................................................................... 17
6-3-3 Pulse measurement ..................................................................................................................... 20
6-3-4 For Output connection ................................................................................................................. 21
6-3-5 For Wiring terminal....................................................................................................................... 21
6-3-6 RS-485 communication................................................................................................................ 21
6-3-7 Low Voltage Directive .................................................................................................................. 22
Chapter 7 Communications ....................................................................................................................23
7-1 Communication Procedures .................................................................................................................. 23
7-2 Communication timing ........................................................................................................................... 23
7-3 MEWTOCOL communication ................................................................................................................ 24
7-3-2 Data Register List ........................................................................................................................ 25
7-3-3 Error Codes.................................................................................................................................. 26
7-3-4 Command..................................................................................................................................... 26
7-5 MODBUS (RTU) Communication .......................................................................................................... 28
7-5-1 Overview of MODBUS (RTU) ...................................................................................................... 28
7-4-2 Data Register List ........................................................................................................................ 31
Содержание KW4M
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Страница 44: ...38 9 2 Dedicated CT Unit mm Clearance 1 0 For 5A 50A AKW4801 For 100A AKW4802 Attached trunk cable L 1000 ...
Страница 45: ...39 For 250A AKW4803 For 400A AKW4804 ...
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