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Etrel Load Guard | User manual 

 

 

 

 

 

 

 

 

 

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TABLE OF CONTENTS 

1

 

PREFACE ..................................................................................... 2

 

Benefits of Using Load Guard ............................................................ 2 
Where to Use Load Guard ................................................................. 3 
Prerequisites for Use ......................................................................... 3 

2

 

LOAD GUARD .............................................................................. 4

 

Technical Specifications ..................................................................... 5 

3

 

CONNECTING THE LOAD GUARD .................................................. 6

 

Load Guard Current transformers ..................................................... 7 
Connecting the Current transformers ............................................... 7 
Three-Phase Connection .................................................................... 7 
Single-Phase Connection ................................................................... 9 
Production of Energy at the Location .............................................. 10 

4

 

OBTAINING IP ADRESS OF COMPUTER AND CHARGING STATION 11

 

Computer IP Address ....................................................................... 11 
Charging Station IP Address ............................................................. 12 

5

 

CONFIGURATION ...................................................................... 14

 

Software for Configuration .............................................................. 14 
Configuration of the Load Guard ..................................................... 16 

Load Guard Network Settings ...................................................... 16 
Charging Station Serial Number ................................................... 18 

Pairing .............................................................................................. 18 

Pairing of Load Guard to Charging Station .................................. 18 
Pairing of Charging Station with Load Guard ............................... 19 

6

 

TROUBLESHOOTING .................................................................. 22

 

Configuration Software Can Not Find the Load Guard .................... 22 
No Connection Between Load Guard and Charging Station ............ 22 
Serial Number is Not Valid ............................................................... 23 
Load Guard Does Not Measure Voltage .......................................... 23 
Negative Value of Active Power ...................................................... 24 
Displayed Power is Not Correct ....................................................... 24 

Содержание load guard

Страница 1: ...ETREL LOAD GUARD USER MANUAL Document version 2 1 Document date 30 7 2020...

Страница 2: ...OMPUTER AND CHARGING STATION11 Computer IP Address 11 Charging Station IP Address 12 5 CONFIGURATION 14 Software for Configuration 14 Configuration of the Load Guard 16 Load Guard Network Settings 16...

Страница 3: ...ue or increasing it to utilise the remaining available power for faster charging As Load Guard measures electric current in both directions it is capable of sensing the power surplus generated by loca...

Страница 4: ...er supply but rather share available power with other consumers in the building Homes Apartment buildings Business fleets Parking spaces Commercial buildings PREREQUISITES FOR USE Load Guard connected...

Страница 5: ...se or decrease the charging power or even stop it completely to prevent the fuses from switching off due to overcharging Load Guard allows charging with maximum current without overloading the fuses F...

Страница 6: ...ONS DIMENSIONS 90 5 x 53 5 x 61 8 mm Width 3 TE on DIN rail WEIGHT 0 23 0 70 kg packaging adds 0 10 kg CLAMP CABLE LENGTH 70 cm CLAMP DIAMETER Small 16 mm large 24 mm CONNECTION Single phase or three...

Страница 7: ...that is flowing back to the electrical grid In case of production of energy at the location it can turn up the charging power suppling the electric vehicle When bought at the same time the Load Guard...

Страница 8: ...urrent transformers CONNECTING THE CURRENT TRANSFORMERS Figure 8 Connecting the current transformers THREE PHASE CONNECTION For proper three phase connection current clamps must be placed on specific...

Страница 9: ...hases are not connected in correct sequence the Load Guard power calculation will be wrong Figure 10 Arrangement of input and output phases Measuring current transformers are connected to the Load Gua...

Страница 10: ...pointing in the direction of energy flow SINGLE PHASE CONNECTION In case of single phase connection the measuring current transformer is set only on the phase conductor that is used as shown on the fo...

Страница 11: ...nt photovoltaic cells batteries the measuring current transformers can be set on two conductors production conductor and consumption conductor In this case the Load Guard would be measuring the differ...

Страница 12: ...rth must be different among the devices COMPUTER IP ADDRESS To obtain IP address of the computer the Windows Command Prompt is used Press Win R on the keyboard and in the presented window type cmd and...

Страница 13: ...uard Configuration Software settings If this is not true the software could not find the Load Guard and even if Load Guard is found the configuration is not possible CHARGING STATION IP ADDRESS If the...

Страница 14: ...Display of IP address after pressing the reset button for 5 s Figure 21 Selection of login mode The IP address of the charging station and the state of the connection with central system will be disp...

Страница 15: ...solutions atlassian net wiki download attachments 258867203 Load Guard Configurator 1 4 zip api v2 Expand the compressed file in new folder Load Guard Configurator 1 4 Click on LoadGuardConfigurator e...

Страница 16: ...uard information Load Guard serial number is important information In the above case it is 18430011 For establishing connection this serial number must be listed in charging station web interface Clic...

Страница 17: ...re presented in a same way as on the above figure currents powers voltages times it means that the Load Guard Configurator software successfully connected to the Load Guard If the time on the Load Gua...

Страница 18: ...t part of the same network group as the computer anymore e g switching of one of the first three numbers of the IP address only the IP address and serial number of the Load Guard will be displayed In...

Страница 19: ...vailable the configuration of Load Guard can continue In IP address field the IP address of the charging station must be written also in the Serial field the serial number of the charging station must...

Страница 20: ...he data that Load Guard is sending Confirm the setting with click on Save changes Figure 32 Setting the measurement report interval PAIRING OF CHARGING STATION WITH LOAD GUARD To connect to INCH charg...

Страница 21: ...Serial number of the Load Guard must be written in the field Serial number in the presented case this number is 18430011 After that click on Save and restart the charging station If the communication...

Страница 22: ...r the Load Guard would measure total consumption current of the charging station and other loads and send the data to the master charging station If total current that Load Guard measures surpasses th...

Страница 23: ...is another connection enabled in the computer it must be disabled All of the possible connections should be disabled except the one used for the connection to the Load Guard NO CONNECTION BETWEEN LOA...

Страница 24: ...ngle phase connection and in the Load Guard Configurator windows the voltage is not shown or it is very low 5 V it means that the supply of phase and neutral conductors of Load Guard are switched Note...

Страница 25: ...isplayed total power is not correct because the power of the phase with negative power is subtracted Figure 41 The value of measured power is negative DISPLAYED POWER IS NOT CORRECT If the displayed p...

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