6.9.3.3. Summation registers.................................................................................................... 47
6.9.4. Demand registering ..................................................................................................... 48
6.9.4.1. Demand channels ....................................................................................................... 48
6.9.4.2. Demand registers ........................................................................................................ 48
6.9.4.3. Integration period ........................................................................................................ 49
6.9.4.4. Demand calculation ..................................................................................................... 50
6.9.4.5. End of integration (EOI) ............................................................................................... 50
6.9.4.6. Excess demand modes ............................................................................................... 51
6.9.5. Load profiles ............................................................................................................... 53
6.9.5.1. Excess energy ............................................................................................................ 54
6.9.6. Meter billing ................................................................................................................ 54
6.9.6.1. Billing periods.............................................................................................................. 54
6.9.6.2. End of billing (EOB) event............................................................................................ 54
6.9.6.3. Historical buffer registers ............................................................................................. 55
6.10. Network quality monitoring........................................................................................... 57
6.11. Monitoring ................................................................................................................... 59
6.12. Fraud protection measures .......................................................................................... 65
6.12.1. Magnetic field detection ............................................................................................... 66
6.13. Alarm and event management ..................................................................................... 67
6.13.1. Logbook ...................................................................................................................... 67
6.13.2. Event histories ............................................................................................................ 67
6.13.3. Alarm type and classification........................................................................................ 68
6.13.4. Alarm notification ......................................................................................................... 70
6.14. Remote Firmware Upgrade .......................................................................................... 70
6.15. UFER/DMCR and ABNT Protocol ................................................................................ 70
6.15.1. UFER/DMCR .............................................................................................................. 70
6.15.2. ABNT Protocol ............................................................................................................ 72
7. Communications ............................................................................................................ 73
7.1. Optical interface .......................................................................................................... 73
7.2. Serial data ports .......................................................................................................... 73
7.3. Real-time data ............................................................................................................. 74
7.4. Modem connection ...................................................................................................... 74
7.5. Communication management ...................................................................................... 75
7.6. DL\T645-2007 Protocol................................................................................................ 76
8. Meter displays ................................................................................................................ 81
8.1. Displays and annunciators ........................................................................................... 81
8.2. Meter pushbuttons....................................................................................................... 83
8.3. Meter display modes ................................................................................................... 84
9. Installation....................................................................................................................... 89
9.1. Warnings .................................................................................................................... 89
9.2. Environmental ............................................................................................................. 89
9.3. Dimensions ................................................................................................................. 90
9.4. Fixings ........................................................................................................................ 92
9.5. Auxiliary and communication wiring ............................................................................. 93
9.6. Using aluminium cables ............................................................................................... 94
9.7. Cabling ....................................................................................................................... 95
9.7.1. Three-Phase LV CT connections ................................................................................. 96
9.7.1.1. 4 wire asymmetrical (VDE) current transformer configuration ........................................ 97
9.7.1.2. 3 wire asymmetrical (VDE) current transformer configuration ........................................ 98
9.7.1.3. 4 wire symmetrical (USE) current transformer configuration .......................................... 99
9.7.1.4. 3 wire symmetrical (USE) current transformer configuration ........................................ 100
9.7.2. Three-Phase HV CT connections ............................................................................... 101
9.7.2.1. 4-wire 3 x VT and 3 x CT ........................................................................................... 102
9.7.2.2. 3-wire 2 x VT and 2 x CT ........................................................................................... 103
9.7.2.3. 3-wire 3 x VT and 2 x CT ........................................................................................... 104
9.7.2.4. 3-wire 2 x VT and 3 x CT ........................................................................................... 105
9.7.2.5. 3-wire ARON connection ........................................................................................... 106
9.7.3. Direct Connected: 4-wire asymmetrical (VDE) direct connection configuration ............. 107