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15 

UM/SWHM/V3/0115   

 

4.

 

PREPAID METER OPERATION 

The meter is suitable for Three-phase four wire (PE5120)/ Single Phase 2 wire system (PE5121).  

Meter measures electrical energy consumed and decrements the available credit register in accordance 

with the energy consumption-KWh or kVAh. The available credit register is incremented as and when 

payment is made. Meter continuously calculates the balance credit against the consumption.  

As  the  balance  credit  decreases  beyond  the  pre-defined  level,  a  switch  (latching  relay)  is  used  to 

disconnect  the  supply  to  the  load.  Meter  display  starts  blinking  when  the  credit  balance  falls  to  a 

programmed value.   

Over voltage (OVER.VOL) Tripping

:  This is the unique feature from the Elmeasure meter to protect the 

equipment when the over voltage occurs. When the Line voltage is more than programmed value the 

prepaid  meter  trips  the load,  thus  protecting  the  house  hold  equipments. This  replaces  the  need  for 

over voltage relays in individual houses. 

Over.KVA  (EB  or  DG)

:  Elmeasure  meters  have  the  unique  feature  to  program  the  set  limit  for 

consumption when it is operating on EB and DG in terms of kVA. When the consumption is above the 

set  value  then  the  LOAD  gets  disconnected  for  a  span  of  1  minute  (programmable  through 

configuration) after which the LOAD gets connected for the SET DELAY time to see the load is reduced 

and  if  the  consumption is still  higher it  trips  the load  for  the  2

nd

  delay  time  (programmable)  and  this 

process gets repeated with the different programmable delay time until the consumption is reduced. 

DG SELECTION:

 Elmeasure prepaid meter has great optional feature i.e. individual phases on for DG (R, 

Y, B or RYB or No DG). This feature can avoid ACCL to individual houses. 

 

COMMUNICATION SETTINGS:

  

 

 

 

 

4.1.

 

KEY FUNCTIONS 

Smart Keys 

Operating the energy meter is easy, using the two smart keys to navigate through the display 

pages. The display shows where you are headed. 

         Protocol  Modbus RTU 

         Data bits  8 

        Baud rate  9600  Baud, User set 1200 to 19200 

Range:1200, 2400, 4800, 9600, 19200 

Normal use: 9600 Baud 

Noisy, EMI, RFI, long data cable: 4800/2400 Baud 

Short cable (< 300 meters or 975 feet): 19200 Baud 

       Parity  Even/odd/no 

       Device ID  1 

       Stop bit  1 

Содержание PE5120

Страница 1: ...1 UM SWHM V3 0115 User Manual PREPAID METER THREE PHASE SINGLE PHASE www elmeasure com...

Страница 2: ...REMOTE UNIT 11 3 PREPAID METER CONFIGURATION 12 3 1 PREPAID METER PRODUCT DESCRIPTION 12 Physical Description 12 Models Display parameters of Prepaid meter 14 3 2 PREPAID METER OPTIONS 14 4 PREPAID ME...

Страница 3: ...ces also can integrate gas and water meter with the different inlets of the house and deduct the balance based on consumption The meters can be networked with RS485 GSM GPRS The unique data communicat...

Страница 4: ...the meter with credit revenue through secured communication Elmeasure encryption is added on top of this to provide the better security Emergency credit for the selected customer Remote ON OFF load by...

Страница 5: ...housing colonies As a second meter between utility meter and distribution board for housing tenants Selective deployment by utilities in regions with poor credit history Electricity supply for vendors...

Страница 6: ...lied OPTIMUM FIELD CONDITIONS For the reliability and better life of the product the unit has to be operated at moderate temperatures and humidity The meter is designed to work from 5 to 60 degree C a...

Страница 7: ...so is a good insulator Hence it DOES NOT HAVE ANY EARTH TERMINAL Terminal cover is to be used to protect the meter terminals from being tampered with As soon as the connections are made the terminal b...

Страница 8: ...alue it is not advisable to leave a reversalofcurrentflowuncorrected It is important to adhere to phase relationships Current IR must correspond to the phase that has the Voltage connected to the VR t...

Страница 9: ...r to budget expenses The four digital inputs any gas and water meter can be configured It is important to program the price Pulse in the corresponding ElNet PPS Wire the Communication RS485 The Prepai...

Страница 10: ...eter mounting mechanism is same Turn off the line power to the existing meter Caution Test existing meter terminals to be sure the voltage is off Remove the line and load wires from the existing meter...

Страница 11: ...k down symbol of the SIM holder Insert the SIM into the holder Lock the SIM holder by click up symbol of the SIM holder 2 3 4 INSTALLING THE REMOTE UNIT Connect the Remote unit power supply and RS485...

Страница 12: ...the following indicators and controls 7 segment LED display One row of alphanumeric displays six digits each displays all parameters simultaneously For every second the display updated Indicators One...

Страница 13: ...10 00 M and 1 0 M as 1000 K MINUS Minus When lit indicates that the reading is negative When PF power factor is lead capacitive load Both PF and VAR reactive power sign will be negative When current...

Страница 14: ...tage Current Frequency Watts VA PF Cumulative kWh Cumulative kWh EB DG Credit left in kWh Units balance Digital Inputs for Gas and Water meters Cumulative Old KWh EB DG Digital Inputs old for Gas and...

Страница 15: ...or DG Elmeasure meters have the unique feature to program the set limit for consumption when it is operating on EB and DG in terms of kVA When the consumption is above the set value then the LOAD get...

Страница 16: ...t reset WiFi module If Y is selected meter enters in to wifi reset mode 4 3 PROGRAMMING GUIDE FOR 3PHASE PE5120 1PHASE PE5121 PREPAID METER Step Actions Display Reads Range Options Comments 1 Press UP...

Страница 17: ...he Hour Minute Row 01 01 t Follow the procedure steps 8 9 for set the Hour minute 12 Press DOWN key to go to the next parameter Row 52 00 Eb Default in 3phase 17 50 Eb Default in single phase Over KVA...

Страница 18: ...me method until fourth digit Program Range for Over Voltage 80V to 310V If value set is above this limit display returns to the maximum O V value acceptable 21 Press DOWN key to go to the next paramet...

Страница 19: ...nt time during auto scroll A t 5 000 1 to 10 seconds Enabling and Disabling of Auto scrolling Enabling Auto Scrolling Press DOWN key continuously for 5 seconds or until display shows EnAb Au for downw...

Страница 20: ...ost cost per KWh and the slab wise cost Remote Configuration of change in Threshold Negative balance Tariff in the secure mode Initiate the SMS when balance reaches the 20 or 15 of the threshold value...

Страница 21: ...gator AG 1000 Aggregator AG1000 is a web based high end data concentrator and All In One multi protocol communication interfacing unit that supports the Modbus protocol and has different types of comm...

Страница 22: ...wall mountable Communication channels available in AG1000 RS485 with Isolated wired Ethernet wired Wi Fi wireless Bluetooth Wireless Zigbee Wireless GPRS 2G 3G wireless 4 5 PREPAID FUNCTIONS Advanced...

Страница 23: ...ergency Credit Limit defines the credit value which is available after the value of Available Credit Register reaches zero and the customer selects the emergency credit Emergency Credit Threshold defi...

Страница 24: ...ys 2 programmable Weekend holidays can be programmed to any 2 days or 1day Happy Hours can be programmed to any time of the day Service provider can Force off and on the load Emergency credit to take...

Страница 25: ...121 1650 for PE5120 Shipping packed 750 gms for PE5121 1750 for PE5120 Dimensions mm 160 112 mm Depth 58mm behind bezel The following table gives the Technical Specifications of the Prepaid Three phas...

Страница 26: ...industrial applications The key features of RS 485 that make it ideal for use in industrial communications and the applications are Bi directional communication in the single pair of twisted cables Mu...

Страница 27: ...tocol WAP as well as other wireless data services GPRS was one of the earliest cell phone data access technologies GPRS is the most widely supported packet data wireless technology in the world Like G...

Страница 28: ...ge as many square kilometers achieved by using multiple overlapping access points Features and benefits of WI FI Enable staff to carry portable Wi Fi handsets giving them the ability to work anywhere...

Страница 29: ...nd control of functions and instrumentation for Hydro graphic water supply reservoirs sewerage systems Electrical power transmission networks and associated equipment Natural gas networks and associat...

Страница 30: ...loat 40161 33 Reserved communicates zero float 40161 34 Wh DG if meters is manufactured for Wh VAh DG if the meter is manufactured for VAh float 40167 8 TROUBLESHOOTING CAUTION During reparation and m...

Страница 31: ...he RF card recharge properly Display blinking Balance is below the limit Load off condition Check the balance is zero Check the over voltage occur Check the over KVA occur If RS 485 communication does...

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