MCS301 - 3ph meter Page 4 of 142
MCS301 meter - product Manual 1.25 MetCom Solutions GmbH
7.1.2 Calculation of active/reactive and apparent demand ............................................ 32
7.1.3 Calculation of harmonics and THD ....................................................................... 32
7.2 Measuring methods ...................................................................................................... 33
7.2.1 Standard measuring method (vectorial method) ................................................... 33
7.2.2 Absolute measuring method (optional) ................................................................. 33
7.2.3 Arithmetic measuring method (optional) ............................................................... 33
8 Measurement data ........................................................................................................... 34
8.1 Energy measurement ................................................................................................... 34
8.1.1 Energy measurement (3ph values) ...................................................................... 34
8.1.2 Energy measurement (3ph values) – since last demand reset ............................. 35
8.1.3 Energy measurement (1ph measurement) ........................................................... 35
8.2 Maximum Demand measurement ................................................................................. 36
8.3 Instantaneous measurement ........................................................................................ 37
8.3.1 Instantaneous measurement – demand data ....................................................... 37
8.3.2 Instantaneous measurement data – PQ data without harmonics .......................... 37
8.3.3 Instantaneous measurement data – PQ data with harmonics + THD ................... 38
8.4 Average- / min- / max- interval data .............................................................................. 39
8.4.1 Last average values ............................................................................................. 39
8.4.2 Last minimum values ........................................................................................... 40
8.4.3 Last maximum values .......................................................................................... 40
8.5 Primary / Secondary measurement ............................................................................... 41
8.5.1 Secondary measurement ..................................................................................... 41
8.5.2 Primary measurement .......................................................................................... 41
9 Meter registration ............................................................................................................ 42
9.1 Meter identification ........................................................................................................ 42
9.1.1 System title .......................................................................................................... 42
9.1.2 Logical Device Name ........................................................................................... 43
9.1.3 Utility Device ID ................................................................................................... 44
9.2 Meter registration using Data notification service .......................................................... 44
10 Tariff Management ........................................................................................................ 45
10.1 Activity calendar .......................................................................................................... 46
10.2 Special day table ........................................................................................................ 46
10.3 Register activation ...................................................................................................... 46
10.4 Real time clock ........................................................................................................... 47
10.4.1 General characteristics of the real time clock ....................................................... 47
10.4.2 Battery backup ..................................................................................................... 47
10.4.2.1 Internal battery ..................................................................................................... 47
10.4.2.2 External battery .................................................................................................... 47
10.5 Time & date handling .................................................................................................. 48
10.6 DST time change ........................................................................................................ 48
11 End of billing / Demand reset ....................................................................................... 49
11.1 End of billing sources .................................................................................................. 49
11.2 General behavior ........................................................................................................ 49
11.3 End of billing profile register (historical data) ............................................................... 50
12 Data Model and protocol ............................................................................................... 51
12.1 Data model ................................................................................................................. 51
12.2 Protocol ...................................................................................................................... 51
12.2.1 DLMS protocol only .............................................................................................. 51
12.2.2 EN62056-21 and DLMS protocol ......................................................................... 52
13 Load profile.................................................................................................................... 53
13.1 General profile Structure ............................................................................................. 53
13.1.1 Sort method ......................................................................................................... 53
13.1.2 Buffer reading ...................................................................................................... 54
13.1.3 Profile Status ....................................................................................................... 54
13.1.4 Effect of events on load profiles ........................................................................... 55