APL SEM 3P V2, Technical Manual

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Table of Contents
1. Use Instruction................................................................................................................... 1
1.1 Overview...................................................................................................................... 1
1.1.1 Construction Profile ..................................................................................................... 1
1.1.2 Major Application ......................................................................................................... 1
1.1.3 Main Functions ............................................................................................................ 1
1.1.4 Additional Functions .................................................................................................... 2
1.1.5 Major Features ............................................................................................................ 2
1.1.6 Normative References ................................................................................................. 2
2. Technical Parameters........................................................................................................ 3
2.1. Operating Voltage ...................................................................................................... 3
2.2. Current Parameters .................................................................................................... 3
2.3. Frequency Parameters ............................................................................................... 3
2.4. Self- power Consumption of Meter............................................................................. 3
2.5. Active Metering Accuracy ........................................................................................... 3
2.6. Display Mode.............................................................................................................. 4
2.7. Pulse Constant ........................................................................................................... 4
2.8. Active Check Output................................................................................................... 4
2.9. Serial Communication Interface ................................................................................. 4
2.10. Meter Electromagnetic Compatibility.......................................................................... 4
2.11. Insulation Test ............................................................................................................ 5
2.12. Application Environment............................................................................................. 5
2.13. Operating Principle Diagram ...................................................................................... 6
3. Physical Design ................................................................................................................. 7
3.1. Construction Diagram................................................................................................. 7
3.2. Dimension Diagram .................................................................................................... 8
3.3. Wiring Diagram........................................................................................................... 8
3.4. Protective Class.......................................................................................................... 9
3.5. Resistance to Heat and Fire ....................................................................................... 9
4. Functions ........................................................................................................................... 9
4.1. Metering Function....................................................................................................... 9
4.2. Active Energy Metering .............................................................................................. 9
4.3. Active Direction Definition .......................................................................................... 9
4.4. Active Max Demand (MD) Calculation ....................................................................... 9
4.5. Load Control Function .............................................................................................. 10
4.6. Pre-alarming Consumption Function........................................................................ 10
4.7. Reverse Consumption Function ............................................................................... 10
4.8. LCD Data Display ..................................................................................................... 10
4.9. IR Communication Function ..................................................................................... 11
4.9.1 Time Synchronization ............................................................................................. 12
4.9.2 Read Meter Data Item ............................................................................................ 12
4.10. Prompts .................................................................................................................... 12
4.11. Data Item Display Function ...................................................................................... 12
4.11.1 LCD Display Instruction ........................................................................................ 12