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ZL0124-0E 

Page 11 of 20 

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

TM

E50C1A Installation Guide

Solid State Output

The E50C1A has one normally open (NO) KY Form A output and one normally closed (NC) solid-state output. One is dedicated to energy 
(Wh), and the other to Alarm. 

~

=

~

=

≤ 100 mA

~

=

≤ 100 mA

Alarm

Energy

Output

+         –         S

≤ 100 mA

LOAD

LOAD

LOAD

Power Source**

3-30 Vdc
6-30 Vac

Power Source**

3-30 Vdc
6-30 Vac

Over-Current Protective Device* 

(not supplied)

The solid state pulse outputs are rated for 30 Vac/dc nom.
Maximum load current is 100 mA at 25°C. Derate 0.56 mA per °C above 25 °C.
* While the relay used for the Phase Loss contact is Normally Closed (contacts are closed when the meter is not powered), closure indicates the presence of an 
alarm; either loss of phase, when the meter is powered, or loss of power when the meter is not. The contacts are open when the meter is powered and no phase 
loss alarm conditions are present
** All pulse outputs and communication circuits are only intended to be connected to non-hazardous circuits (SELV or Class 2). Do not connect to hazardous 
voltages.

Main Menu

IEC

IEEE

Description

D

D

Demand

MAX

M

Maximum Demand

P

W

Present Real Power

Q

VAR

Present Reactive Power

S

VA

Present Apparent Power

A

A

Amps

UAB, UBC, UAC

VAB, VBC, VAC

Voltage Line to Line

V

VLN

Voltage Line to Neutral

PF

PF

Power Factor

U

VLL

Voltage Line to Line

HZ

HZ

Frequency

KSh

KVAh

Accumulated Apparent 

Energy

KQh

KVARh

Accumulated Reactive 

Energy

KPh

KWh

Accumulated Real Energy

PLOSS

PLOSS

Phase Loss

LOWPF

LOWPF

Low Power Factor Error

Main Menu

IEC

IEEE

Description

F ERR

F ERR

Frequency Error

I OVR

I OVR

Over Current

V OVR

V OVR

Over Voltage

PULSE

PULSE

kWh Pulse Output Overrun 

(configuration error)

_PHASE

_PHASE

Summary Data for 1, 2, or 3 

active phases

ALERT

ALERT

Diagnostic Alert Status

INFO

INFO

Unit Information

MODEL

MODEL

Model Number

OS

OS

Operating System

RS

RS

Reset System

SN

SN

Serial Number

RESET

RESET

Reset Data

PASWD

PASWD

Enter Reset or Setup 

Password

ENERG

ENERG

Reset Energy Accumulators

DEMND

DEMND

Reset Demand Maximums

User Interface (UI) 
Menu Abbreviations 
Defined

The user can set the display mode to either IEC or IEEE notation in the SETUP menu.

Summary of Contents for E50C1A

Page 1: ...nd if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications This device complies with part 15 of the FCC Rules Operation is subject to...

Page 2: ...529 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 2 to 2 1 mm2 Rail T35...

Page 3: ...Installation Guide Table of Contents Dimensions 4 Data Outputs 4 Product Diagram 5 Display Screen Diagram 5 Installation 6 Supported SystemTypes 7 Wiring Symbols 7 Wiring 8 Control Power 9 Quick Setu...

Page 4: ...VerisIndustries L L C intheUSAand orothercountries Othercompanies trademarksareherebyacknowledgedtobelongtotheirrespectiveowners TM E50C1A Installation Guide Dimensions 4 2 107mm 3 6 91mm 1 5 39mm 2 3...

Page 5: ...ndicator RS 485EquippedUnitsOnly TransmitData ReceiveData ReceiveDataError LCDScreen Buttons Up Select Right Next Down Select Left Back kWh 1234 5 Alarm Energy Two5 characterrows ofdisplaytext Toprowa...

Page 6: ...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 from the inside Th...

Page 7: ...r 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 wires Qty ID Qty ID Type Modb...

Page 8: ...TnoPT 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 neutral...

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

Page 10: ...ect the parameter screen you want to set 6 After you set the parameters you want use or to select the next Setup screen or to exit the Setup screens return to SETUP B ToEnterModbuscommunicationparamet...

Page 11: ...powered and no phase loss alarm conditions are present All pulse outputs and communication circuits are only intended to be connected to non hazardous circuits SELV or Class 2 Do not connect to hazar...

Page 12: ...KWh Accumulated Real Energy Ph SETUP ALERT RESET Back Display nOnE if no alerts To Setup Setup Meter Reset Data Phase Loss A B C Low Power Factor A B C Frequency Out of Range A Current Over Range Vol...

Page 13: ...00 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 transformer step down is RATIO 1 Default is 1 1 No PT in...

Page 14: ...the selection if it cannot find a pulse duration that will allow the pulse output to keep up with Theoretical Maximum System Power see S_PWR screen When moving up to a larger energy the meter will jum...

Page 15: ...47 k pull down to Shield RS 485 signal ground Wire the RS 485 bus as a daisy chain from device to device without any stubs Use 120 termination resistors at each end of the bus not included Shield is...

Page 16: ...status 0x00 if the reset system is used bytes5 ID string Veris Industries E50xx Power Meter Full Data Set or Veris Industries E50xx Power Meter RESET SYSTEM RUNNING RSVersion x xxx last 2 bytes CRC 0x...

Page 17: ...atio 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 SystemVoltage This voltage is line to line except for...

Page 18: ...nd a pulse duration that will keep up with the max system power register 135 it will reject the new value Try a larger value kWh Pulse Contacts Note The kWh pulse contact can keep up with a maximum po...

Page 19: ...nge Description 152 R W NV UInt 0 32767 Power Up Counter 153 R NV UInt 0 32767 Output Configuration E50C1 always returns 0 154 R UInt Reserved returns 0 Floating Point Data 257 258 R NV Float kWh Real...

Page 20: ...ct connection to the same service PT polarity and adequate powering See theWiring Diagrams section for more information Cannot communicate with power meter from a remote personal computer Power meter...

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