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ZL0123-0D 

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©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.

For use in a Pollution Degree 2 or better environment only. A Pollution Degree 2 
environment must control conductive pollution and the possibility of condensation or 
high humidity. Consider the enclosure, the correct use of ventilation, thermal properties 
of the equipment, and the relationship with the environment. Installation category:  
CAT II or CAT III.  Provide a disconnect device to disconnect the meter from the supply 
source. Place this device in close proximity to the equipment and within easy reach of 
the operator, and mark it as the disconnecting device. The disconnecting device shall 
meet the relevant requirements of IEC 60947-1 and IEC 60947-3 and shall be suitable for 
the application. In the US and Canada, disconnecting fuse holders can be used. Provide 
overcurrent protection and disconecting device for supply conductors with approved 
current limiting devices suitable for protecting the wiring. If the equipment is used in a 
manner not specified by the manufacturer, the protection provided by the device may 
be impaired.

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

•  Follow safe electrical work practices. See NFPA 70E in the USA, or applicable local codes.
•  This equipment must only be installed and serviced by qualified electrical personnel.
•  Read, understand and follow the instructions before installing this product.
•  Turn off all power supplying equipment before working on or inside the equipment.
•  Product may use multiple voltage/power sources. Disconnect ALL sources before

 servicing.
•  Use a properly rated voltage sensing device to confirm that power is off.
  DO NOT DEPEND ON THIS PRODUCT FOR VOLTAGE INDICATION.
•  Current transformer secondaries must be shorted or connected to a burden at all times.
•  Products rated only for basic insulation must be installed on insulated conductors.
•  Replace all doors, covers and protective devices before powering the equipment.

Failure to follow these instructions will result in death or serious injury.

A qualified person is one who has skills and knowledge related to the construction and 

operation of this electrical equipment and installations, and has received safety 

training to recognize and avoid the hazards involved.  

NEC Article 100

If this product is used in a manner not specified by the manufacturer, the protection 

provided by the product may be impaired. No responsibility is assumed by the 

manufacturer for any consequences arising out of the use of this material.

DANGER

NOTICE

•  This product is not intended for life or safety applications.

•  Do not install this product in hazardous or classified locations.

•  The installer is responsible for conformance to all applicable codes.

•  Mount this product inside a suitable fire and electrical enclosure.

FCC PART 15 INFORMATION

NOTE: This equipment has been tested by the manufacturer and found to 

comply with the limits for a class B digital device, pursuant to part 15 of 

the FCC Rules. These limits are designed to provide reasonable protection 

against harmful interference when the equipment is operated in a 

residential environment. This equipment generates, uses, and can radiate 

radio frequency energy and, 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 the following two conditions:

   

(1) This device may not cause harmful interference, and

   

(2) this device must accept any interference received, including

   

      interference that may cause undesired operation.

   Modifications to this product without the express authorization of the 

manufacturer nullify this statement. 

WARNING

LOSS OF CONTROL

∙  Assure that the system will reach a safe state during and after a control path failure.
∙  Separate or redundant control paths must be provided for critical control functions.
∙  Test the effect of transmission delays or failures of communication links.

1

∙  Each implementation of equipment using communication links must be individually 

and thoroughly tested for proper operation before placing it in service.

Failure to follow these instructions may cause injury, death or equipment damage.

1

For additional information about anticipated transmission delays or failures of the link, refer to 

NEMA ICS 1.1 (latest edition). 

Safety Guidelines for the Application, Installation, and Maintenance 

of Solid-State Control

 or its equivalent in your specific country, language, and/or location.

Control system design must consider the potential failure modes of control paths and, for 

certain critical control functions, provide a means to acheive a safe state during and after a 

path failure. Examples of critical control functions are emergency stop and over-travel stop.

TM

Installation Guide

Power Monitoring

The safety of any system incorporating this equipment is the responsibility of the 

assembler of the system.

Product Overview

The E51H2A and E51H5A DIN rail power meters provide a solution for measuring energy data with a single device. 
Inputs include control power, CT, and 3-phase voltage. Both models support BACnet MS/TP protocol. The E51H2A 
has one pulse contact input and a phase loss alarm output. The E51H5A has data logging capability and two pulse 
contact inputs. The LCD screen on the faceplate allows instant output viewing. 

The E51 meters are capable of bidirectional metering. Power is monitored in both directions (upstream and 
downstream from the meter). The meter is housed in a plastic enclosure suitable for installation on T35 DIN rail 
according to EN 50022. The E51 can be mounted either on a DIN rail or in a panel. 

Observe correct CT orientation 

when installing the device.

E51H2A, E51H5A

Bi-Directional Compact Power and 

Energy Meter with BACnet MS/TP Support

For Use Only with E683 Series Rope CTs

Specifications

MEASUREMENT ACCURACY

Real Power and Energy

IEC 62053-22 Class 0.5S, ANSI C12.20 0.5%

Reactive Power and Energy

IEC 62053-23 Class 2, 2%

 Current

0.2% (+0.005% per °C deviation from 25 °C) from 1% to 5% of range;  

0.1% (+0.005% per °C deviation from 25 °C) from 5% to 100% of range

Voltage

0.1% (+0.005% per °C deviation from 25°C) from 90 Vac

L-N

 to 600 Vac

L-L

Sample Rate

2520 samples per second; no blind time

Data Update Rate

1 sec.

Type of Measurement

True RMS;  one to three phase AC system

INPUT VOLTAGE CHARACTERISTICS

Measured AC Voltage

Minimum 90 V

L-N

 (156 V

L-L

) for stated accuracy; 

UL Maximums:  600 V

L-L

 (347 V

L-N

); CE Maximum:  300 V

L-N

Metering Over-Range

+20%

Impedance

2.5 MΩ

L-N

 / 5 MΩ

L-L

Frequency Range

45 to 65Hz

INPUT CURRENT CHARACTERISTICS

      CT  Scaling                                             

50 to 5000 A measured range; 400 to 5000 A breaker size

   Measurement Input Range

E683 series rope style CTs only (CTs must be rated for connection to Class 1 

voltage inputs)

Product Identification

Model

BACnet MS/TP 

Protocol Output

Alarm 

Output

Full Data 

Set

Data 

Logging

Pulse 

Input

E51H2A

E51H5A

(2 pulses)

E683 Series CT 

(sold separately)

Содержание E51H2A

Страница 1: ... 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 the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Modifications to this product ...

Страница 2: ...P 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 mm2 Rail T35 35 mm 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...

Страница 3: ...Outputs 5 Product Diagram 5 Display Screen Diagram 6 Installation 7 Supported SystemTypes 8 Wiring Symbols 8 Wiring Diagrams 9 Control Power Diagrams 10 Quick Setup Instructions 11 Pulse Contact Inputs 12 User Interface Menu Abbreviations Defined 12 User Interface for Data Configuration 13 Alert Reset Information 15 User Interface for Setup 16 RS 485 Communications 18 BACnet Default Settings 19 BA...

Страница 4: ...L C intheUSAand orothercountries Othercompanies trademarksareherebyacknowledgedtobelongtotheirrespectiveowners TM Installation Guide Power Monitoring Dimensions 4 2 107mm 3 6 91mm 1 5 39mm 2 3 59mm 1 9 48mm 1 8 45mm 3 6 91 mm 4 2 107 mm 0 2 4 mm 3 9 99 mm 2 4 61 mm 4 3 109 mm 1 2 31 mm 0 3 8 mm 0 4 10 mm BottomView DINMountOption BottomView ScrewMountOption Main Utility Grid Solar Panels ImportedP...

Страница 5: ...olling Block and External Sync Real Time Clock uses BACnet Time Synchronization services Data Logging E51H5A only includes all FDS outputs plus 3 BACnet Log_Events each buffer holds 5760 time stamped 32 bit entries User configures which 3 data points are stored in these buffers User configurable logging interval When configured for a 15 minute interval each buffer holds 60 days of data Continuous ...

Страница 6: ...opbelowthe selectedthreshold ThegreenEnergyLEDlights whenthepulse1input contactsareactiveorclosed CONTROL POWER 0 1A 50 60 Hz A B C N 1 2 Pulse Inputs 1 2 S RS 485 VA VB VC Neutral Earth Control Power UL 90V L N 600V L L CE 90V L N 300V L N VOLTAGE INPUTS CAT III 50 60 Hz Pulse Input 1 Pulse Input 2 BACnet Shield X2 A X1 X2 B X1 X2 C X1 IA IB IC X2 X1 X2 X1 X2 X1 CT Inputs E683 Series Only kWh 123...

Страница 7: ...two 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 from the inside The stopping pegs must face the housing and the outside edge of the clip must be flush with the outside edge of the housing 2 Snap the clips onto the DIN rail See the diagram of the...

Страница 8: ...at have Neutral 12 40 Values that are not valid in a particular System Type will display as on the User Interface or as QNAN in the BACnet objects To avoid distortion use parallel wires for control power and voltage inputs The following symbols are used in the wiring diagrams on the following pages Symbol Description Voltage Disconnect Switch Fuse installer is responsible for ensuring compliance w...

Страница 9: ...Phase3 Wire3CTnoPT UseSystemType11 2L UseSystemType12 2L 1n UseSystemType 31 3L UseSystemType10 1L 1n RISK OF ELECTRIC SHOCK OR PERMANENT EQUIPMENT DAMAGE CT terminals are referenced to the meter s neutral and may be at elevated voltages Do not contact meter terminals while the unit is connected Do not connect or short other circuits to the CT terminals Failure to follow these instructions may cau...

Страница 10: ...dL NorL L Outputto meetmeterinputrequirements DCControlPowerfrom125Vdcto300Vdc ULandCEmax FuseRecommendations Keep the fuses close to the power source obey local and national code requirements For selecting fuses and circuit breakers use the following criteria Select current interrupt capacity based on the installation category and fault current capability Select over current protection with a tim...

Страница 11: ... Use or to select the BACnet MAC address default is 001 3 Press to accept the value and go to the KBAUD screen Use or to select the baud rate default is 76 8K 4 Press to go to the ID1 screen and through the upper four digits of the Device Instance Use or to select the ID digits The setup screen splits the Device ID into two parts the most significant four digits ID1 and the least significant three...

Страница 12: ... OVR V OVR OverVoltage 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 R...

Страница 13: ...mand P M KW MKVAR M KVA Maximum 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 When Idle Total Import Real Energy A KWh 3 KWh B KWh C KWh Total Export Real Energy A KWh 3 KWh B KWh C KWh _PHAS M KW MKVAR M KVA Maximum Apparent Power S Import Dema...

Страница 14: ...d Maximum 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 KPh B KPh C KPh Total Export Real Energy A KPh 3 KPh B KPh C KPh _PHAS M KP M KQ M KS Maximum Apparent Power Import Demand Maximum Reactive Power Import Demand Maximum Real Power Import Demand ...

Страница 15: ...nge A Current Out of Range Voltage Out of Range A B C Not used on E5xHx 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 Number PULSE n0nE ENERG rES Reset Energy Accumulators to 0 Unit Information Alert Status check if Wrench on LCD RESET Enter Reset Password Enter Setup Password T...

Страница 16: ...ed Potential Transformer RATIO 001 00 Back S V Back Sytem Voltage Next Set System Voltage V LL The nominal Line to Line Voltage for the system This is used by the meter to calculate the theoretical maximum system power and as the reference voltage for setting the Phase Loss threshold Maximum is 32000 Volts For system type 1 N 10 this is a Line to Neutral Voltage indicated by V LN Note the meter wi...

Страница 17: ...ck demand SEC Sub Interval length in seconds Default is 900 15 minutes Set to 0 for external sync to comms Next S DIS Display Units UNITS IEEE IEC Back Set Display Units to switch between IEEE VLL VLN W VAR VA Units IEC U V P Q S Units To Setup p 1 S PWR SPLOS Back IMBAL 0 25 Next VOLTS 0 10 Set Phase Loss VOLTS Phase Loss Voltage The fraction of the system voltage below which Phase Loss Alarm is ...

Страница 18: ...ndlast deviceofthedaisychain Shieldwire Notes The terminal s voltage and current ratings are compliant with the requirements of the EIA RS 485 communications standard The RS 485 transceivers are unit load or less RS 485 has a 47 kΩ pull up to 5V and RS 485 has a 47 kΩ 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 Ω ter...

Страница 19: ...r of subintervals per interval 1 block mode AV10 Demand sub interval length 900 sec 15 min AV11 default value is 90000 1 100 seconds AV11 BACnet MAC Address 001 n a BACnet MS TP Baud Rate 76 8 kBaud n a BACnet MS TP Max_Master 127 Device BACnet Device_ID Pseudo random value from 1 000 000 to 3 097 151 Device BACnet Device Location Installed location not yet identified Device Trend_Log Object 1 Log...

Страница 20: ...these values are retained but no additional information accumulates until the device completes its re initialization Alerts are used to indicate conditions of potential concern to the installer or the system such as input voltage or current on any phase that exceeds the meter s measurement range phase voltage below the Phase Loss Threshold set by the user or Power Factor below 0 5 on any phase Ale...

Страница 21: ...4 May only write value 32768 AV5 May only write values from 0 01 to 320 0 AV6 May only write values such that AV6 AV5 is from 82 to 660 absolute range is 82 32000 To ensure AV6 accepts rejects the proper values set AV5 first AV7 May only write values 0 and 1 AV8 May only write values from 1 to 99 AV9 May only write values from 1 to 99 AV10 May only write values from 1 to 6 AV11 May only write the ...

Страница 22: ...fier R NV 133 Model_Name R NV E51HxA Energy Meter Firmware_Revision R NV Current Revision xyyy This is the BACnet processor firmware version in the format xyyy with an implied decimal point between the first two digits x yyy Application_Software_Version R NV Current version RS xyyy OS xyyy BACnet Gateway xyyy The format xyyy has an implied decimal point between the first two digits x yyy Location ...

Страница 23: ...t two seconds to validate and store the new value An immediate read of the same property before that delay has elapsed can return the prior value even if the new value was accepted To read a value immediately after writing it check the Reliability property first When it reports a No_Fault_Detected status the Present_Value of the object is current These objects support the Description and Reliabili...

Страница 24: ...277V When the threshold is set to 10 if any phase drops more than 10 below 277V less than 249V or if any L L voltage drops more than 10 below 480V less than 432V the corresponding phase loss alarm bit will be true AV9 Phase_Loss_ Imbalance_ Threshold Phase Loss Imbalance Threshold R W NV Percent 1 99 25 Phase Loss ImbalanceThreshold in Percent Default is 25 phase to phase difference For a 3 phaseY...

Страница 25: ... is no unit type in the BACnet standard for kVAh AI11 KW_Total Total Instantaneous Real Power R kW 0 Max_Power AI76 AI12 KVAR_Total Total Instantaneous Reactive Power R kVAR 0 Max_Power AI76 AI13 KVA_Total Total Instantaneous Apparent Power R kVA 0 Max_Power AI76 AI14 PF_Total Total Power Factor R 1 00 1 00 AI15 Volts_LL_Avg Voltage L L Average of Active Phases R Volts AI16 Volts_LN_Avg Voltage L ...

Страница 26: ...Power AI76 AI27 KVA_Max_ Demand_ Export Total Apparent Power Max Demand Export R NV kVA 0 Max_Power AI76 AI28 Reserved_ AI28 Reserved_AI28 R Returns QNAN or any value AI29 E51H2A Pulse Count E51H5A Pulse_ Count_1 E51H2A Pulse Count E51H5A Pulse Count 1 R 0 4294967040 Running count of contact closures on Pulse Input 1 since last reset Write 16498 0x4072 to Present_Value of AV1 to reset both pulse c...

Страница 27: ...ve Energy Q4 Phase A R NV kVARh 0 3 4 E38 The Units property of object AI46 reports that these units are kWh because there is no unit type in the BACnet standard for kVARh AI47 KVARh_Q4_B Reactive Energy Q4 Phase b R NV kVARh 0 3 4 E38 The Units property of object AI47 reports that these units are kWh because there is no unit type in the BACnet standard for kVARh AI48 KVARh_Q4_C Reactive Energy Q4...

Страница 28: ...00 AI67 Volts_AB Voltage Phase A B R Volts AI68 Volts_BC Voltage Phase B C R Volts AI69 Volts_AC Voltage Phase A C R Volts AI70 Volts_AN Voltage Phase A N R Volts AI71 Volts_BN Voltage Phase B N R Volts AI72 Volts_CN Voltage Phase C N R Volts AI73 Current_A Current Phase A R Amps AI74 Current_B Current Phase B R Amps AI75 Current_C Current Phase C R Amps AI76 Max_Power Max Power R NV kW AI77 Reser...

Страница 29: ... meter s measurement range BI3 Volts_Error_C Voltage Out of Range Phase C R 0 INACTIVE 1 ACTIVE Phase C InputVoltage exceeds meter s measurement range BI4 Current_Error_A Current Out of Range Phase A R 0 INACTIVE 1 ACTIVE Phase A Current out of range BI5 Current_Error_A Current Out of Range Phase B R 0 INACTIVE 1 ACTIVE Phase B Current out of range BI6 Current_Error_A Current Out of Range Phase C ...

Страница 30: ...t AI2 Present_Value TL2 Real Energy Export AI3 Present_Value TL3 Total Real Power Present Demand AI19 Present_Value The Log_Interval Demand Subinterval can be set from 10 seconds to 32767 seconds values of 1000 to 3276700 The subinterval timer which determines how often the meter s demand accumulators are updated also triggers writing to the Trend_Log log buffers Use the Log_Interval property to s...

Страница 31: ...etDeviceObjectProptertyReference Set point this to the Present_Value of any objects AI1 through AI75 Log_Interval W 0 01 seconds Logging period in hundredths of a second Default is 90000 15 minute intervals minimum value is 1000 10 seconds This property can also be set to Zero which will change all threeTrend_Logs and the Demand calculation to a manual mode sometimes referred to as Sync to Comms I...

Страница 32: ...equate power 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 addressed See the Setup section Power meter baud rate is incorrect Verify that the baud rate of the meter matches that of all other devices on its communications link see Setup section Communications...

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