Contents
1. About this guide ............................................................................................................... 5
1.1. Audience ....................................................................................................................... 5
1.2. Scope ........................................................................................................................... 5
1.3. Abbreviations ................................................................................................................ 7
2. Certification ...................................................................................................................... 9
2.1. Applicable standards ..................................................................................................... 9
2.2. CE Certificates of conformity........................................................................................ 10
2.2.1. SL761W ...................................................................................................................... 10
2.2.2. SL761X and SL761Y ................................................................................................... 11
2.3. End-of-life disposal ...................................................................................................... 12
3. Safety information ......................................................................................................... 13
4. General information ....................................................................................................... 15
4.1. Meter overview ............................................................................................................ 15
4.2. General specifications ................................................................................................. 16
4.3. Meter support tools ...................................................................................................... 17
4.4. Configuration options................................................................................................... 18
4.4.1. Meter identification ...................................................................................................... 18
4.4.2. Meter product coding ................................................................................................... 18
4.5. Meter markings ........................................................................................................... 20
4.5.1. Terminal numbering .................................................................................................... 21
5. Technical specification ................................................................................................. 23
6. Technical description .................................................................................................... 29
6.1. Metrology .................................................................................................................... 30
6.2. External connections (I/Os) .......................................................................................... 30
6.2.1. Control input ............................................................................................................... 30
6.2.2. Control output ............................................................................................................. 31
6.2.3. Pulse input .................................................................................................................. 32
6.2.4. Pulse output ................................................................................................................ 32
6.2.5. Metrology LED indicators ............................................................................................. 33
6.3. Power supplies ............................................................................................................ 33
6.4. Power-fail operation .................................................................................................... 35
6.5. Real-time clock ........................................................................................................... 35
6.6. Calendar ..................................................................................................................... 36
6.7. Energy rate switching .................................................................................................. 36
6.7.1. Daylight saving ............................................................................................................ 36
6.7.2. Seasons...................................................................................................................... 37
6.7.3. Week profiles .............................................................................................................. 37
6.7.4. Day profiles ................................................................................................................. 37
6.7.5. Indexes ....................................................................................................................... 38
6.7.5.1. Index activation ........................................................................................................... 38
6.7.6. Special days ............................................................................................................... 39
6.8. Backup power supply .................................................................................................. 39
6.9. Metered quantities ....................................................................................................... 40
6.9.1. Four quadrant metering ............................................................................................... 40
6.9.1.1. Measured energy quantities ......................................................................................... 40
6.9.1.2. Summation energy ...................................................................................................... 42
6.9.1.3. Instantaneous energy quantities .................................................................................. 42
6.9.1.4. Primary and Secondary data for CT and CT/VT meters ................................................ 44
6.9.2. Total energy registers (TER) ........................................................................................ 45
6.9.3. Energy registering ....................................................................................................... 45
6.9.3.1. Energy channels ......................................................................................................... 45
6.9.3.2. Energy rate registers ................................................................................................... 46