ABB A43 User Manual page 6

5.5.1 Tariff Inputs ...................................................................................................................... 56
5.5.2 Pulse Outputs ................................................................................................................... 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
6 Technical data ........................................................................................................................ 76
6.1 Technical Specifications ........................................................................................................... 77
6.2 Physical dimensions ................................................................................................................. 81
7 Measurement Methods ......................................................................................................... 82
7.1 Measuring Energy .................................................................................................................... 83
7.1.1 Single Phase, 1-Element Metering ................................................................................... 86
7.1.2 3-Phase, 2-Element Metering .......................................................................................... 88
7.1.3 3-Phase, 3-Element Metering .......................................................................................... 90
8 Service & Maintenance .......................................................................................................... 96
8.1 Service and Maintenance ......................................................................................................... 97
9 Communication with Modbus................................................................................................ 98
9.1 Bus Description ........................................................................................................................ 99
9.2 About the Modbus Protocol ................................................................................................... 100
9.2.1 Function Code 3 (Read holding registers) ...................................................................... 100
9.2.2 Function Code 16 (Write multiple registers) .................................................................. 103
9.2.3 Function Code 6 (Write single register) ......................................................................... 104
9.3 Reading and Writing to Registers ........................................................................................... 106
9.4 Mapping Tables ...................................................................................................................... 108
9.5 Historical Data ........................................................................................................................ 119
9.5.1 Quantity identifiers ........................................................................................................ 122
9.6 Previous Values ...................................................................................................................... 127
9.6.1 Reading Previous Values ................................................................................................ 129
9.7 Demand .................................................................................................................................. 132
9.7.1 Reading Demand ............................................................................................................ 134
9.8 Event logs ............................................................................................................................... 136
Reading Event logs ......................................................................................................... 139
9.8.1
9.9 Load profile ............................................................................................................................ 140
9.9.1 Reading Load profile ...................................................................................................... 142
9.10 Configuration ......................................................................................................................... 143
9.10.1 Previous values ............................................................................................................... 143
9.10.2 Demand .......................................................................................................................... 144
9.10.3 Load profile .................................................................................................................... 148
9.10.4 Alarms ............................................................................................................................ 149
9.10.5 Inputs and outputs ......................................................................................................... 153
9.10.6 Tariffs ............................................................................................................................. 156
9.10.7 Daylight Savings Time ..................................................................................................... 165
A43/A44
User Manual
6 2CMC48001M0201
Revision: C