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TRINITY 

[1] 

 Entity 

 Operational Manual 

        

 

 

 

  

U

SER’S 

M

ANUAL 

 
 
 

ENTITY 

Energy Meter 

 

This  document  contains  the  latest  technical  information  about  ENTITY  which  is  a 
micro-controller  based  Energy  Meter.  The  unit  is  tested  against  latest  "MTE" 
Standard  Model  PRS  1.3  having  basic  accuracy  of  0.02%,  traceable  upto 
International Standards derived using appropriate ratio techniques. 

 

The product, Entity is  sophisticated electronic  equipment, and the user is advised  to 
read  this 

User’s  Manual  carefully  before  attempting  to  install  or  operate  the 

equipment. 

 
 
 
 
 

 

Published on:05/03/2019 
Document Version: 1.1 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Summary of Contents for ENTITY

Page 1: ...he unit is tested against latest MTE Standard Model PRS 1 3 having basic accuracy of 0 02 traceable upto International Standards derived using appropriate ratio techniques The product Entity is sophisticated electronic equipment and the user is advised to read this User s Manual carefully before attempting to install or operate the equipment Published on 05 03 2019 Document Version 1 1 ...

Page 2: ...rranty What This Warranty Does Not Cover This warranty does not apply to refurbished or reconditioned products This warranty covers only normal use in India This warranty does not cover damage to the Trinity product caused by parts or supplies not manufactured distributed or certified by Trinity This warranty is not transferable This warranty does not cover third party parts components or peripher...

Page 3: ...es Available in This Model 4 Technical Specifications 5 Installation and Commissioning 6 Connection Scheme 7 Operational Details 8 Programming Mode 8 Setting CT Primary 8 Setting CT Secondary 9 Setting Device ID 9 Run Mode 10 Resetting Energies 10 Communication 11 Appendix 11 ...

Page 4: ...n the system Entity is a low cost effective easy user interface and can measure accurate KWh energy that displays on 16X1 LCD The unit supports only for three phase four wire in an electrical installation The Main Features Available in This Model Class 1 0S accuracy as per IS13779 Class 0 5S accuracy also available Compact 96 x 96 x 55 mm enclosure Microcontroller based with true RMS measurement 1...

Page 5: ...ectable Range of Reading 5 5000A Burden 1 0VA Overload Through CT 5A CT 6A RMS Continuous 1A CT 1 2A RMS Continuous Whole Current 120 of Imax continuous Power Supply Wide operating Voltage SMPS 80 VAC 270 VAC 50 60 Hz MEASUR EMENT Energy Total Active Energy KWh Range of Reading 0 to 9999999 9 KWh Accuracy 1 0S as per IS13779 Dimensions Bezel 96 X 96 mm Panel Cutout 92 X 92 mm Depth of installation...

Page 6: ...mage due to sever overvoltage or phase fault in the system 4 Connect the two wires from R phase CT to the terminals marked M1 and L1 such that S1 goes to the terminal marked M1 Connect the two wires coming from the Y phase CT to the terminals marked M2 and L2 such that S1 from the CT goes to terminal marked M2 Connect the two wires coming from B phase CT to the terminals marked M3 and L3 such that...

Page 7: ...TRINITY 7 Entity Operational Manual Connection Scheme Note A B only applicable for Rs 485 Variant ...

Page 8: ...the following display Programming Mode The unit has programmable parameters CT Primary CT Secondary and Device Id and is also easy user interface by pressing three keys such as and Setting CT Primary The CT Primary is freely programmable from 5 to 5000 A of which 5 to 200 can be set with the steps of 5 and 200 to 5000 with the steps of 25 and hence the CT setting falls onto the standard rating of ...

Page 9: ...CT Secondary with following display 2 Press PROG ENTR key again Immediately P starts blinking which indicates that the parameter can now be changed Set the parameter value by pressing UP and DOWN keys untill the desired value is received 3 Press PROG ENTR key to confirm the parameter value Hence the unit will restart and return into Run Mode Setting Device Id The unit also supports RS485 communica...

Page 10: ...alue is received 3 Press PROG ENTR key to confirm the parameter value Hence the unit will restart and return into Run Mode Run Mode In the Run Mode KWh energy calculated by the unit is displayed on a 16X1 LC display such as shown below Resetting Energies The Active Energy KWh can be reset by pressing key and key simultaneously for about 8 seconds Hence the unit will restart and return into Run Mod...

Page 11: ... software ENTITY supports an RS485 port with MODBUS RTU protocol The station ID for every meter is site selectable The data which can be read using MODBUS query 3 Read Holding Registers is provided inan address map with the applicable multiplication factors vide Appendix Communication line parameters 9600 8 N 1 The register map is described below All addresses are in decimal Parameter is Unsigned ...

Page 12: ...nducted to relevant standards and our Specifications Literature O M Manual Traceability tested against latest MTE Standard Model PRS 1 3 having basic accuracy of 0 02 traceable upto International Standards derived using appropriate ratio techniques Result of Test Remarks Test engineer Date ...

Page 13: ...Entity Operational Manual TRINITY 13 ...

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