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ZL0122-0D 

Page 2 of 34 

©2018 Veris Industries   USA 800.354.8556 or +1.503.598.4564  / [email protected] 0818 

 

Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of  Veris Industries, L.L.C. in the USA and/or other countries.

Other companies’ trademarks are hereby acknowledged to belong to their respective owners.

TM

E51C2A, E51C3A Installation Guide

CONTROL POWER

    AC

5 VA max.; 90 V min.; 

UL Maximums:  600 V

L-L

 (347 V

L-N

); CE Maximum:  300 V

L-N

 DC*

3W max.; UL and CE: 125 to 300 Vdc

   Ride-through Time

100 msec at 120 Vac

OUTPUT

   Alarm Contacts

N.C., static output (30 Vac/dc, 100mA max. @ 25 °C,  

derate 0.56 mA per °C above 25 °C)

Real Energy Pulse Contacts

N.O., static output (30 Vac/dc, 100 mA max. @ 25 °C,  

derate 0.56 mA per °C above 25 °C)

RS-485 Port

2-wire, 1200 to 38400 baud, Modbus RTU

MECHANICAL CHARACTERISTICS

Weight

0.62 lb (0.28 kg)

IP Degree of Protection 

(IEC 60529)

IP40 front display; IP20 meter

Display Characteristics

Back-lit blue LCD

 Terminal Block Screw Torque

0.37 to 0.44 ft-lb (0.5 to 0.6 N·m) 

Terminal Block Wire Size

24 to 14 AWG (0.13 to 2.08 mm

2

)

Rail

T35 (35mm) DIN Rail per EN 50022

OPERATING CONDITIONS

   Operating Temperature Range

-30 to 70 °C (22 to 158 °F)

   Storage Temperature Range

-40 to 85 °C (-40 to 185 °F)

 Humidity Range  

<95% RH non-condensing

Altitude of Operation

3000 m

Mounting Location

Not suitable for wet locations. For indoor use only.

COMPLIANCE INFORMATION

   US and Canada

CAT III, Pollution Degree 2;  

for distribution systems up to 347 V

L-N

 /600 Vac

L-L

   Europe (CE)

IEC/EN 61010-1; 

CAT III, Pollution Degree 2;  

for distribution systems up to 300 V

L-N 

   Dielectric Withstand

Per UL 508, IEC/EN 61010-1

   Conducted and Radiated 

Emissions

FCC part 15 Class B, EN 55011/EN 61000 Class B  

(residential and light industrial)

   Conducted and Radiated 

Immunity

EN 61000 Class A  

(heavy industrial)

    US and Canada (cULus)

UL 508 (open type device) / CSA 22.2 No. 14-05

 

* External DC current limiting is required, see fuse recommendations.

Specifications (cont.)

This meter implements the draft SunSpec 1.0 common elements starting at base 1 address 40001, and the proposed SunSpec 1.1 
meter model at 40070 (these addresses are not in Modicon notation). See www.veris.com or www.sunspec.org for copies of these 
specifications.

The SunSpec Alliance logo is a trademark or registered trademark of the SunSpec Alliance.

SunSpec Alliance 
Interoperability 
Specification 
Compliance  

Summary of Contents for E51C2A

Page 1: ...instruction manual may cause harmful interference to radio communications This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not...

Page 2: ...5 35mm DIN Rail per EN 50022 OPERATING CONDITIONS Operating Temperature Range 30 to 70 C 22 to 158 F Storage Temperature Range 40 to 85 C 40 to 185 F Humidity Range 95 RH non condensing Altitude of Op...

Page 3: ...nsions 4 Application Example 4 Data Outputs 5 Product Diagram 5 Display Screen Diagram 5 Installation 6 Supported SystemTypes 7 Wiring Symbols 7 Wiring 8 Control Power Diagrams 9 Quick Setup Instructi...

Page 4: ...L C intheUSAand orothercountries Othercompanies trademarksareherebyacknowledgedtobelongtotheirrespectiveowners TM E51C2A E51C3A Installation Guide Dimensions 4 2 107mm 3 6 91mm 1 5 39mm 2 3 59mm 1 9...

Page 5: ...g E51C3Aonly RealTime Clock user configurable 10 user configurable log buffers each buffer holds 5760 16 bit entries User configures which 10 data points are stored in these buffers User configurable...

Page 6: ...o ways on standard 35 mm DIN rail or screw mounted to the interior surface of the enclosure A DINRailMounting 1 Attach the mounting clips to the underside of the housing by sliding them into the slots...

Page 7: ...re not valid in a particular System Type will display as on the User Interface or as QNAN in the Modbus registers CTs Voltage Connections SystemType Phase Loss Measurements Wiring Diagram Number of wi...

Page 8: ...re3CTnoPT UseSystemType11 2L UseSystemType12 2L 1n UseSystemType 31 3L UseSystemType10 1L 1n Wiring RISK OF ELECTRIC SHOCK OR PERMANENT EQUIPMENT DAMAGE CT terminals are referenced to the meter s neut...

Page 9: ...NorL L Outputto meetmeterinputrequirements DCControlPowerfrom125Vdcto300Vdc ULandCEmax FuseRecommendations Keep the fuses close to the power source obey local and national code requirements For select...

Page 10: ...screen Use the or buttons to select the parity d back to the S COM screen 6 to the S CT Set Current Transducer screen If this unit does not have an RS 485 port this will be the first screen a to the...

Page 11: ...be rated for the short circuit current at the connection point All pulse outputs and communication circuits are only intended to be connected to non hazardous circuits SELV or Class 2 Do not connect...

Page 12: ...Apparent Power S Export Demand Maximum Reactive Power Q Export Demand Maximum Real Power P Export Demand DKVAR Present Reactive Power Demand Q D KVA Present Apparent Power Demand S DEMND Demand Scroll...

Page 13: ...Reactive Power Q Export Demand Maximum Real Power Export Demand D KQ Present Reactive Power Demand D KS Present Apparent Power Demand DEMND Demand Scroll When Idle Total Import Real Energy A KPh 3 KP...

Page 14: ...Voltage Out of Range A B C A B C INFO MODEL OS SN RS Serial Number Reset System Operating System ALERT INFO PLOSS A b C LOWPF A b C F ERR A I OVR A b C V OVR A b C PASWD 00000 PASWD 00000 Model Numbe...

Page 15: ...Type Current Transformer S SYS Next S CT CT SZ 100 SYSTM 3L 1n 3L 2L 1n 2L 1L 1n Back To SETUP Back Back Back S COM To Setup p 2 SPLOS Next S PT Set Potential Transfomer Ratio RATIO Potential transfo...

Page 16: ...n the ALARM PULSE screen and enable Energy pulse output configuration error bit in the Modbus Diagnostic Alert Bitmap if equipped Wh P Set Pulse Energy In Watt Hours VAR Hours if present per Pulse Whe...

Page 17: ...l setting the buffers hold 60 days of data An external timer can be used over Modbus by setting this register to 0 Use register 159 to turn on data logging and select either Single Shot or Continuous...

Page 18: ...able CTs and PTs allowing a much wider range of operation from 90V x 5A up to 32000V x 5000A To promote this the meter permits variable scaling of the 16 bit integer registers via the scale registers...

Page 19: ...ly a fraction to be read correctly This is done to allow integer numbers to represent fractional numbers Range Defines the limit of the values that a register can contain Standard Modbus Default Setti...

Page 20: ...t and Export correspond with Real Energy 016 LSR 017 R NV ULong kVAh E 0 to 0xFFFFFFFF Apparent Quadrants 1 4 Import MSR 018 LSR 019 R NV ULong kVAh E 0 to 0xFFFFFFFF Apparent Quadrants 2 3 Export MSR...

Page 21: ...Real Energy Phase C MSR 054 LSR 055 R NV ULong kVARh E 0 to 0xFFFFFFFF Accumulated Q1 Reactive Energy Phase A MSR Import Accumulated Reactive Energy Qh Per Phase 056 LSR 057 R NV ULong kVARh E 0 to 0x...

Page 22: ...2767 Real Power P Phase A Real Power P 092 R SInt kW W 32767 to 32767 Real Power P Phase B 093 R SInt kW W 32767 to 32767 Real Power P Phase C 094 R SInt kVAR W 32767 to 32767 Reactive Power Q Phase A...

Page 23: ...e entering 200 yields a potential transformer ratio of 2 1 The default is 100 1 00 1 which is with no PT attached Set this value before setting the system voltage below 134 R W NV UInt 82 32000 Syste...

Page 24: ...ergy per Pulse Output Contact Closure If the meter cannot find a pulse duration that will keep up with the max system power register 135 it will reject the new value Check the meter configuration and...

Page 25: ...rved returns 0 Logging Configuration and Status 155 R W NV UInt Day Month See Bytes Most Significant Byte MSB Least Significant Byte LSB Date Time Clock Following a power cycle resets to Day 01 Month...

Page 26: ...reset during the previous demand sub interval Bit 4 Logging Interrupted Logging has been interrupted power cycled log configuration change etc during the previous demand sub interval Bit 5 RTC Change...

Page 27: ...77 R W NV UInt Log Register 9 Default is 156 Year Hour 178 R W NV UInt Log Register 10 Default is 157 Minutes Seconds Floating Point Data Summary of Active Phases 257 258 R NV Float kWh Accumulated Re...

Page 28: ...user defined 315 316 R Float 1 0 4294967040 Pulse Counter 2 Export Reactive Energy Floating Point Data Per Phase 317 318 R Float kWh Accumulated Real Energy Phase A Import Accumulated Real Energy Ph...

Page 29: ...nt Power Phase A 381 382 R Float kVA Apparent Power Phase A 383 384 R Float Ratio 0 0 1 0 Power Factor Phase A Power Factor PF 385 386 R Float Ratio 0 0 1 0 Power Factor Phase A 387 388 R Float Ratio...

Page 30: ...device IDs Meter configuration by device ID 201 single phase A N or A B meter 202 split single phase A B N meter 203 Wye connect 3 phase ABCN meter 204 delta connect 3 phase ABC meter 40071 R NV UInt...

Page 31: ...R M_AC_VAR_SF 32767 to 32767 M_AC_VAR_A Phase A AC Reactive Power 40100 R SInt VAR M_AC_VAR_SF 32767 to 32767 M_AC_VAR_B Phase B AC Reactive Power 40101 R SInt VAR M_AC_VAR_SF 32767 to 32767 M_AC_VAR_...

Page 32: ...x0 to 0xFFFFFFFF M_Import_VARh_Q1 Quadrant 1 Total Imported Reactive Energy 40143 40144 R NV ULong VAR hours M_Energy_VAR_SF 0x0 to 0xFFFFFFFF M_Import_VARh_ Q1A Phase A Quadrant 1 Total Imported Reac...

Page 33: ...Total Exported Reactive Energy 40173 40174 R NV UInt SF 1 M_Energy_VA_SF Reactive Energy Scale Factor Events 40175 R NV ULong Flags M_Events Bit Map See M_EVENT_flags 0 no event 40176 Event Bit Descr...

Page 34: ...powering See theWiring Diagrams section for more information Cannot communicate with power meter from a remote personal computer Power meter address is incorrect Verify that the meter is correctly ad...

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