ABB A43

Technical Description
2CMC48001M0201 45 A43/A44
Revision: C User Manual
5 Technical Description
Overview This chapter contains technical descriptions of the meter functions. Depending
of the meter type, the meter may contain all or a subset of the functions
described in this chapter.
In this chapter The following topics are covered in this chapter:
5 Technical Description ............................................................................................................. 45
5.1 Energy Values ........................................................................................................................... 46
5.2 Instrumentation ....................................................................................................................... 48
5.3 Harmonics ................................................................................................................................ 50
5.3.1 Measuring Harmonics ...................................................................................................... 52
5.4 Alarm ........................................................................................................................................ 54
5.5 Inputs and Outputs .................................................................................................................. 56
5.5.1 Tariff Inputs ...................................................................................................................... 56
5.5.2 Pulse Outputs ................................................................................................................... 57
5.5.2.1 Pulse Frequency and Pulse length ............................................................................ 57
5.6 Internal Clock ........................................................................................................................... 60
5.7 Logs .......................................................................................................................................... 62
5.7.1 System Log ....................................................................................................................... 62
5.7.2 Event Log .......................................................................................................................... 63
5.7.3 Net Quality Log ................................................................................................................. 64
5.7.4 Audit Log .......................................................................................................................... 64
5.7.5 Settings Log ...................................................................................................................... 65
5.7.6 Event codes ...................................................................................................................... 65
5.8 Demand .................................................................................................................................... 67
5.9 Previous Values ........................................................................................................................ 70
5.10 Load Profile .............................................................................................................................. 72