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DRT-370D user manual

Shanghai Fengyilong Electronic Co. Ltd.

www.china-meters.com

-1-

Email:[email protected]

021-60975591/ 60975592

DRT-370D

DIN rail three phase four wire energy meter

User manual

1.1

Safety instruction

1.2

Foreword

1.3

Performance criteria

1.4

Specifications

1.5

Basic errors

1.6

Description

1.7

Dimensions

1.8

Installation

1.9

Operating

1.10

Troubleshooting

1.11

Technical support

Summary of Contents for DRT-370D

Page 1: ... meters com 021 60975591 60975592 DRT 370D DIN rail three phase four wire energy meter User manual 1 1 Safety instruction 1 2 Foreword 1 3 Performance criteria 1 4 Specifications 1 5 Basic errors 1 6 Description 1 7 Dimensions 1 8 Installation 1 9 Operating 1 10 Troubleshooting 1 11 Technical support ...

Page 2: ...ion start up ground and label devices systems and circuits according to safety and Regulatory standards Use for the intended purpose The equipment device module may only be used for the application cases specified in the catalog and the user manual and only in connection with devices and components recommended and approved by DMMetering Proper handling The prerequisites for perfect reliable operat...

Page 3: ...and civil penalties All rights reserved particularly in the event of a patent award or utility model registration 1 2 Foreword Thank you for purchasing the Forlong DRT 370D DIN rail three phase four wire energy meter The Forlong DRT 370D energy meter is the most advanced type electronic kWh meter available at the market With the Forlong product range we have introduced a large scale of energy mete...

Page 4: ... 300 520V AC 3 Insulation capabilities AC voltage withstand 4KV for 1 minute Impulse voltage withstand 6KV 1 2µS waveform Starting current Ist 0 04A Transitional current Itr 1 0A Minimum current 0 5A Reference current Iref 10A Maximum current Imax 100A The current measuring range 0 5 10 100 A Peak current withstand 3000A for 0 01s Operational frequency range 50Hz 10 Internal power consumption 2W 1...

Page 5: ... meters com 021 60975591 60975592 1 6 Description A Front panel B Cover C Base D Protection Cover E Security hasp Material Front panel PC inflammable retarding Protection cover ABS PC alloy inflammable retarding Cover ABS PC alloy inflammable retarding Base ABS PC alloy inflammable retarding A B E D C ...

Page 6: ...ent device used in the circuit An external switch or a circuit breaker should be installed on the inlet wire which will be used as a disconnection device for the meter And there it is recommended that the switch or circuit breaker be near the meter so that it is convenient for the operator The switch or circuit breaker should comply with the specifications of the building electrical design and all...

Page 7: ...e the green LED represent L2 phase the red LED represent L3 phase When any phases work normally the LED representation will burn When any phases have failure or no power the LED will turn off Consumption indication There is a PULSE LED which is used as indicating power consumption in the front panel of DRT 370D When consumption happens the LED will flash The more quickly LED flash the more consump...

Page 8: ... impulse output connect 5 27V DC to connector 20 anode and the signal wire S to connector 21 cathode The meter pulses 800 per kWh 1 25Wh imp 1 10 Troubleshooting CAUTION During repairing and maintenance do not touch the meter connecting clamps directly with your bare hands with metal blank wire or other material as you will have the chance of an electricity shock and a possible chance for health d...

Page 9: ...ws on the L1 L2 L3 and N Make sure all screws are fixed Than there should be a 230V 50Hz AC voltage between the terminal screws on the N and L1 or L2 or L3 when power supply is input Please contact technical support to replace this meter No light for the consumption indicator PULSE SOLED Is the load running Is the operating power too low Only when load is running this LED will flash If the operati...

Page 10: ...r can t run Please contact technical support to replace this meter No pulse output Is DC power supply connected to the meter Is the connection correct Maybe there is a fault in the Check the external voltage source Ui is 5 27V DC Check correct connection connect 5 27V DC to connector 20 anode and the signal wire S to connector 21 cathode Please contact technical support to replace this meter Pulse...

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