Advertisement
Quick Links
DRT-301M
Three phase DIN rail energy meter with multi-tariff
Seven modules
User manual
Shanghai Fengyilong Electronic Co,. Ltd.
1.1
Safety instructions
1.2
Foreword
1.3
Performance criteria
1.4
Meter specification
1.5
RS485 communication specification
1.6
Far Infrared communication specification
1.7
Basic errors
1.8
Description
1.9
Dimensions
1.10
Installation
1.11
Operating
1.12
Troubleshooting
1.13
Technical support
www.china-meters.com
DRT-301M User Manual
Email:sale01@china-meters.com
021-60975591/ 60975592
Advertisement
Related Manuals for forlong DRT-301M
Summary of Contents for forlong DRT-301M
- Page 1 DRT-301M User Manual DRT-301M Three phase DIN rail energy meter with multi-tariff Seven modules Safety instructions Foreword Performance criteria Meter specification RS485 communication specification Far Infrared communication specification Basic errors Description Dimensions 1.10 Installation 1.11 Operating 1.12 Troubleshooting 1.13 Technical support User manual Shanghai Fengyilong Electronic Co,.
- Page 2 DRT-301M User Manual 1.1 Safety instructions Information for Your Own Safety This manual does not contain all of the safety measures operating the equipment (module, device) for different conditions and requirements. However, it does contain information which you must know for your own safety and to avoid damages.
- Page 3 The forlong DRT301M power quality meter is the most advanced type electronic meter available at the market. With the Forlong product range we have introduced a large scale of energy meters on the market suitable for 110V AC to 400V AC (50 or 60Hz). Besides the normal energy meters we also developed our own pre-paid meters with chip card, chip card re-loaders and a complete PC management control system.
- Page 4 DRT-301M User Manual International standard IEC 62053-21 Accuracy class Voltage, LN & LL (Phase1,2,3) ± 1% Amps (Phase 1,2,3) ± 0.5% PF (Phase 1,2,3 &Σ ) ± 0.5% Active power (Phase 1,2,3&Σ ) ± 1% Reactive power (Phase 1,2,3&Σ ) ±...
- Page 5 DRT-301M User Manual baud rate 1200, 2400,4800,9600 (default) 19200(option) Address range 0-255 user settable Bus Loading 64 meters per bus Rage 1000m 1.6 Far Infrared communication specifications: infrared wavelengths 900- 1000nm baud rate 1200bps(default),9600bps(option) communication distance communication angle -15° ~+15°...
- Page 6 DRT-301M User Manual 1.9 Dimensions Height 130 mm Width 126 mm Depth 65 mm Weight 0.7 Kg (net) 1.10 Installation CAUTION Turn off all the power before working on it. Always use a properly rated voltage sensing device to confirm that power is off.
- Page 7 DRT-301M User Manual circuit should be sized according to local codes and regulations for the amp city of the circuit breaker or over current device used in the circuit. An external switch or a circuit-breaker should be installed on the inlet wire, which will be used ...
- Page 8 RS485 communication contact 1.11 Operating Consumption indication On the DRT-301M’S front panel, there are three LED respectively, for the energy meter pulse light, communications, and fault indicator lights. The constant of the impulse is shown on the nameplate of the meter.
- Page 9 2 month Pulse output DRT-301M DIN rail power quality meter is equipped with a pulse output which is fully separated from the inside circuit. That generates pulses in proportion to the measured energy. They are test pulse output (pins 8 & 9). Usually, the test pulse output is used as testing accuracy or reading purpose in close quarters.
- Page 10 DRT-301M User Manual Communication port DRT-301M has equipped a far infrared port and a RS485 port, we can program the meter’s operation data or reading via these 2 ports. The communication protocol conforms MODBUS RTU protocol & DL/T645 option. Far infrared communication port The far infrared communication port is on the left of LCD screen.
- Page 11 DRT-301M User Manual Problem Check Solution Is there a power Check that the power supply supply inside the meter? Only when the communication between the meter’s infrared port No light for the Or the RS485 port and the communication Does any equipment outside, The LED will indicator(COM.LED)
- Page 12 DRT-301M User Manual Problem Check Solution Is the meter ID Check and use the correct the correct? Meter ID. After the meter finish the production, the Meter ID defaults to 0～67H ,69H～FFH (Modbus protocol) or 0000000000000～ 999999999999(DL/T645 protocol) . No communication...
- Page 13 DRT-301M User Manual Problem Check Solution Is the load Only when load is running, RED running ? LED is burning continue, the LCD energy register will run. The LCD energy Is the operating If the operating power is too low, register can’t run.
Need help?
Do you have a question about the DRT-301M and is the answer not in the manual?
Questions and answers