Neptune RM-12P - Table of Contents

SUMMARY
Safety Precautions ....................................................................................................................................................1
Important Note for System Connection .............................................................................................................1
1. INTRODUCTION ..........................................................................................................................................................................2
1.1 General Information ............................................................................................................................................2
1.2 Front Panel .................................................................................................................................................................2
1.3 Rear Panel ..............................................................................................................................................................4
2. INSTALLATION ........................................................................................................................................................5
2.1 Commissioning of RM-12P...............................................................................................................................5
2.2 Capacitor Sequence ...........................................................................................................................................5
3. SETTINGS .................................................................................................................................................................5
3.1 Operation Mode and Capacitor Power Settings ......................................................................................................5
3.2 Target Cos j Value Setting ....................................................................................................................................6
3.3 Last Capacitor Step Number Setting ..................................................................................................................................7
3.4 Switching Program Setting ..................................................................................................................................8
3.5 Switching on&off for Capacitor Steps and Discharge Time Settings .............................................................................8
3.6 Connection and Power Value Settings .............................................................................................................10
3.7 Current and Voltage Transformer Ratio Settings .......................................................................................................12
3.8 Reset Setting .....................................................................................................................................................14
3.9 Alarm Setting .....................................................................................................................................................15
3.10 Fan Relay Settings .....................................................................................................................................................22
3.11 Computer Communication Setting .................................................................................................................................23
3.12 Password Activation and Change Settings .............................................................................................................25
4. DISPLAYING OF INSTANTANEOUS VALUES ......................................................................................................27
Cos
j, Total Cos j , Voltages ................................................................................................................................27
Currents, Active Powers, Total Active Powers ...........................................................................................................28
Reactive Powers, Total Reactive Powers, Apparent Powers, Total Apparent Powers, Total Apparent Powers.....29
Active Import Energy, Active Export Energy, Inductive Reactive Energy, Capacitive Reactive Energy,
Temperature, Error Codes ................................................................................................................................................30
5. ERROR CODES ...................................................................................................................................................31
6. COMPUTER COMMUNICATION (MODBUS RTU) ............................................................................................32
APPENDIX .......................................................................................................................................................................31
Error Messages ................................................................................................................................................31
Register Tables ..................................................................................................................................................32
Capacitor Calculation Table ............................................................................................................................................37
Technical Features ..............................................................................................................................................38
Menu Map ........................................................................................................................................................39
INTELLIGENT REACTIVE POWER MANAGEMENT
RM-12P