Table of Contents
1. PURPOSE AND FEATURES ........................................................................................................... 6
1.1. MARKING OF METER MODIFICATIONS ................................................................................................................ 7
1.2. TECHNICAL SPECIFICATIONS............................................................................................................................ 8
2. DESIGN ........................................................................................................................................... 9
2.1. CASE ............................................................................................................................................................. 9
2.2. GENERAL REQUIREMENTS AND INSTALLATION PROCEDURE ............................................................................ 10
2.3. ELECTRONIC CIRCUITRY AND PRINCIPLES OF OPERATION ................................................................................ 12
2.3.1. Measurement module ......................................................................................................................... 12
2.3.2. Analog to Digital Signal Conversion ................................................................................................... 12
2.3.3. Central Processor Unit ........................................................................................................................ 12
2.3.4. Non-volatile RAM Unit ......................................................................................................................... 13
2.3.5. Internal Clock ...................................................................................................................................... 13
2.3.6. Liquid Crystal Display (LCD) ............................................................................................................... 13
2.4. COMMUNICATION INTERFACES ....................................................................................................................... 14
2.4.1. Optical Interface (D0) .......................................................................................................................... 14
2.4.2. Electrical communication Interface ..................................................................................................... 14
2.4.3. Auxiliary Communication Interface (optional) ..................................................................................... 14
2.4.4. Interface Priorities ............................................................................................................................... 14
2.5. THE METER INPUTS AND OUTPUTS ................................................................................................................ 14
2.5.1. Optical LED Output (Red Light Emission Diodes) .............................................................................. 14
2.5.2. Pulse Output contacts ......................................................................................................................... 15
2.5.3. Relay Outputs (Optional) .................................................................................................................... 15
2.5.4. External Backup Power Supply (optional) .......................................................................................... 16
2.6. POWER SUPPLY ............................................................................................................................................ 16
2.7. PUSH BUTTON .............................................................................................................................................. 16
3. DATA REGISTRATION .................................................................................................................. 16
3.1. ENERGY REGISTRATION ................................................................................................................................ 18
3.2. DEMAND REGISTRATION ................................................................................................................................ 19
3.3. REGISTRATION OF INSTANTANEOUS VALUES .................................................................................................. 19
3.4. POWER QUALITY REGISTRATION.................................................................................................................... 21
3.5. “END OF BILLING PERIOD” .............................................................................................................................. 22
4. TARIFF MODULE .......................................................................................................................... 23
4.1. DAY PROGRAM.............................................................................................................................................. 23
4.2. WEEK PROGRAM ........................................................................................................................................... 23
4.3. TARIFF SEASONS .......................................................................................................................................... 23
4.4. SPECIAL DAYS .............................................................................................................................................. 24
4.5. TARIFF MODULE OPERATION IN CASE OF CLOCK FAILURE .............................................................................. 24
5. DATA DISPLAY MODES ............................................................................................................... 25
5.1. AUTOMATIC CYCLIC DATA INDICATION MODE ................................................................................................. 25
5.2. STATIC DATA INDICATION MODE .................................................................................................................... 25
5.3. DATA REVIEW ALGORITHMS .......................................................................................................................... 25
6. PARAMETERISATION .................................................................................................................. 27
7. METER DATA PROTECTION ........................................................................................................ 28
7.1. PHYSICAL PROTECTION OF DATA AND PARAMETERS ....................................................................................... 28
7.2. SOFTWARE PROTECTION ............................................................................................................................... 28
7.2.1. Password ............................................................................................................................................ 28
7.2.2. Lock of optical interface (optional) ...................................................................................................... 28
7.2.3. Event logbook ..................................................................................................................................... 28
7.2.4. Counters and Timers .......................................................................................................................... 29
7.2.5. Protection of Factory Constants ......................................................................................................... 29
ANNEX A. DATA AVAILABLE TO DISPLAY ON LCD........................................................................ 30
To Next Page
Loading...
