(MT375) - Technical Description - Iskraemeco UK

Energy Measurement and ManagementContent:Revision history .................................................... 3Mx37y – Single- and Three-phase electronicmeters ..................................................... 41. Energy measurement and registration ........... 61.1. Multi-tariff registration ................................... 61.2. Power measurement .................................... 61.3. Load-profile .................................................. 61.4. Supplied energy or power limitation ............. 71.5. Code red ....................................................... 71.6. Prepaid functionality ..................................... 72. Meter appearance (ME37y)............................... 92.1. Meter case (ME37y) ..................................... 92.2. Overall and fixing dimensions (ME37y) ...... 102.3. Meter configuration (ME37y) ...................... 102.4. Metering system (ME37y) .......................... 103. Meter appearance (MT37y) ............................. 113.1. MT371… ..................................................... 113.2. MT372… ..................................................... 113.3. Meter case (MT37y) ................................... 113.4. Overall and fixing dimensions (MT371) ...... 143.5. Overall and fixing dimensions (MT372) ...... 153.6. Meter configuration (MT37y) ...................... 153.7. Metering system (MT37y)........................... 164. Meter configuration ........................................ 164.1. Power supply unit ....................................... 164.2. Microcontroller with FRAM ......................... 164.2.1. Load-profile recorder ........................... 164.2.2. Log-book .............................................. 174.2.3. Keeping of billing results ...................... 174.3. Real-time clock (RTC) ................................ 174.3.1. Time-of-use registration ....................... 174.3.2. Maximum demand ............................... 174.4. Liquid Crystal Display – LCD ..................... 184.4.1. Data display ......................................... 184.4.2. Signal flags .......................................... 184.5. LED ............................................................. 194.6. Push-buttons .............................................. 194.6.1. RESET and SCROLL push-button ...... 194.6.2. Manual meter billing reset ................... 224.7. Communication channels ........................... 224.7.1. Optical port – IR communicationinterface ................................................ 234.7.2. DLC modem (Mx371) .......................... 234.7.3. Integrated GSM/GPRS communicationinterface with antenna (option) (Mx372) 234.7.4. RS485 communication interface (option)(Mx372) ................................................. 234.7.5. M-Bus communication interface (option).............................................................. 234.7.6. Readout via built-in communicationinterfaces .............................................. 234.8. AMR readout .............................................. 244.9. Inputs and outputs (ME37y) ....................... 254.9.1. Alarm inputs ........................................ 254.9.2. Load control output.............................. 254.10. Inputs and outputs (MT37y) ..................... 254.10.1. Inputs ................................................. 254.10.2. Outputs .............................................. 255. Additional meter functions ............................ 265.1. On request reading of E-meter .................. 265.2. Billing registers reading of E-meter ............ 265.3. Scheduled reading of E-meter ................... 265.4. Historic reading of E-meter ........................ 265.5. On request reading of G-meter .................. 265.6. Billing registers reading of G-meter ........... 265.7. Scheduled reading of G-meter ................... 265.8. Historic reading of G-meter ........................ 275.9. Device status ............................................. 275.10. Tariff structure configuration of E-meter .. 275.11. Remote customer connection/disconnection................................................................. 275.12. Load-profile reading of E-meter ............... 275.13. Load-profile reading of G-meter ............... 275.14. Load-profile configuration of E-meter ...... 275.15. Load-profile configuration of G-meter ...... 285.16. Power quality ........................................... 285.17. Power failure registration ......................... 285.18. Alarms ...................................................... 285.19. Commission E-meter ............................... 295.20. Security .................................................... 296. Data protection ............................................... 297. Meter connection procedure ......................... 297.1. Connection procedure of GSM/GPRScommunication interface .......................... 308. Accessory for meters managing ................... 309. Meter maintaining ........................................... 3010. Anti-fraud protection .................................... 3110.1. Position of the seals ................................. 3110.2. Wire seals ................................................ 3111. Front plate ..................................................... 3212. Meter connection .......................................... 3212.1. Meter connection of ME37y meters ......... 3212.2. Meter connection of MT37y meters ......... 3313. Technical data ............................................... 3414. Type designation .......................................... 37