DRT-301M User manual
Contents
1. After the meter finish the production the Meter ID defaults to O 67H 69H FFH Modbus protocol or QOOOOOO00000000 999999999999 DL T645 protocol Shorten the communication distance between the reading equipment outside and the meter Keep sure it is not more than 1200m The equipment to connection with RS485 main wire is not more than 256pcs The correct connection is the A Signal wire of RS485 main wire to the meter terminal 11 the B signal wire of RS485 main wire to the meter terminal 10 Please connect with technical Supporter to replace this meter Check and use the correct the Meter ID After the meter finish the production the Meter ID defaults to O 67H 69H FFH Modbus protocol or OOOOO00000000 999999999999 DL T645 protocol Shorten the communication distance between the reading equipment outside and the meter Suggest not more than 5m Please contact the technical Support to get the meter communication protocol Please contact the technical Supporter to replace this meter 021 60975591 60975592 Email sale01 china meters com forios Problem The LCD energy register can t run No pulse output Pulse output rate wrong 1 14 Technical support DRT 301M User Manual Is the load running Is the operating power too low Maybe there is a fault in the inside circuit Is DC power supply connected to the meter Is the connecting correct Maybe there is a fault i2. 00A 0 4 Ib Imax 30Imax for 0 01s 50Hz 10 lt 2W 10VA per phase 3200imp kWh 400imp kWh 3200imp kWh 400imp kWh Flashing at load running Flashing at communication running RS485 and far infrared The data can be stored more than 20 years when power off RS485 MODBUS RTU with 16 bit CRC amp DL T645 Email sale01 china meters com 021 60975591 60975592 fora baud rate Address range Bus Loading Rage DRT 301M User Manual 1200 2400 4800 9600 default 19200 option 0 255 user settable 64 meters per bus 1000m 1 6 Far Infrared communication specifications infrared wavelengths baud rate communication distance communication angle protocol 1 7 Tariff specifications Tariff number Time segments Clock accuracy Battery Voltage 1 8 Basic errors With balanced loads 0 05Ib O 1Ib O 1Ib Imax O 2Ib Imax Cos 1 Cos 0 5L Coso 0 8C Cos 1 Coso 0 5L Cos 0 8C With single phase load O 1Ib Imax O 2Ib Imax 1 8 Description UNWS Material Front panel Cover Base Shanghai Fengyilong Electronic Co Ltd Cos 1 Coso 0 5L Front panel Cover Base Security hasp 900 1000nm 1200bps default 9600bps option 5m 15 4 15 MODBUS RTU with 16 bit CRC amp DL T645 A 10 lt 0 5S every 24 hours 3 6V DC 21 2Ah 1 5 1 5 1 5 1 0 1 0 1 0 2 0 2 0 PC inflammable retarding ABS inflammable retarding ABS
3. RT 301M User Manual Om Ma Symbol Description kW h Unit indicator kWh active energy kW active power k var Unit indicator kvar reactive power Unit indicator KVA apparent energy Displayed permit programming kva Li Ei Battery status 3 6V When the battery voltage is low flashes show LCD alarm indicator Communication symbols When communicating it flashed For 485 and infrared communication interface in communication instructions MD Max demand TE Tariff T1 T2 T3 T4 ERRE wiht whine ZE this month last1 month 8 last 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 amp 9 Usually the test pulse output is used as testing accuracy or reading purpose in close quarters The test pulse output is a polarity dependant passive transistor output requiring an external voltage source for correct operation For this external voltage source the voltage Ui should be 5 27V DC and the maximum input current Imax should be 27mA DC To connect the impulse output connect 5 27V DC to connector 9 anode and the signal wire S to connector 8 cathode The meter pulses is indicated on the front panel Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592 f
4. cover as this might influence the function of the meter and will cause no warranty lt Do not drop or allow strong physical impact on the meter as the high precisely components inside may be damaged Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592 forios DRT 301M User Manual Disclaimer We have checked the contents of this publication and every effort has been made to ensure that the descriptions are as accurate as possible However deviations from the description cannot be completely ruled out so that no liability can be accepted for any errors contained in the information given The data in this manual is checked regularly and the necessary corrections are included in subsequent editions We are grateful for any improvements that you suggest Subject to technical modifications without notice Copyright Copyright Forlong July 2009 All rights Reserved It is prohibited to pass on or copy this document or to use or disclose its contents without our express permission Any duplication is a violation of the law and subject to criminal 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 DRT301M DIN rail three phase power quality meter with multi tariff function Output is LCD displayed and the data can be transported by isolated RS485 The meter is
5. engyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592 forios 1 4 Meter International standard Accuracy class Voltage LN amp LL Phase1 2 3 Amps Phase 1 2 3 PF Phase 1 2 3 amp 2 Active power Phase 1 2 3 amp 2 Reactive power Phase 1 2 3 amp 2 Apparent power Phase 1 2 3 amp 2 Frequency Active energy amp Demand 2 Protection against penetration of dust and water Insulating encased meter of protective class specifications Meter type Nominal voltage Un Operational voltage Insulation capabilities AC voltage withstand Impulse voltage withstand Basic current Ib CT type Directly connect Maximum rated current Imax CT type Directly connect Operational current range Over current withstand Operational frequency range Internal power consumption Test output flash rate PULSE LED CT type Directly connect Test pulse output rate pins 8 amp 9 CT type Directly connect Consumption indicator PULSE amp SO LED Communication indicator Alarm indicator Data communication port Data save 1 5 RS485 communication specifications Shanghai Fengyilong Electronic Co Ltd Bus type protocol www china meters com DRT 301M User Manual IEC 62053 21 1 0 5 0 5 1 1 1 0 5 1 IP51 I DRT 301M LCD display 230 400V AC 3 161 279 300 520V AC 3 2KV for 1 minute 6KV 1 2uS waveform 1 5A 10A 6A 1
6. ernal 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 is near the meter so that it is more convenience for the operator The switch or circuit breaker should comply with the specifications of the buildings electrical design and all local regulations An external fuse or thermal cut off which will be used as a over current protection device for the meter must be installed on the supply side wire and it is recommended that the over current protection device is near the meter so that it is more convenience for the operator The over current protection device should comply with the specifications of the buildings electrical design and all local regulations This meter can be installed indoor directly or in a meter box which is waterproof outdoor Subject to local codes and regulations To prevent tampering secure the meter with a padlock or a similar device The meter has to be installed against a wall which is fire resistant The meter has to be installed in a good ventilated and dry place The meter has to be installed in a protection box when placed in dangerous or dusty environment The meter can be installed and used after being tested and sealed with a letter press printing The meter can be installed on a 35mm DIN rail or direct on a meter board with screws The meter should be installed in an available height s
7. erson who are authorized to commission 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 specified in the catalogue and the user manual and only be connected with devices and components recommended and approved by Forlong Proper handling The prerequisites for perfect reliable operation of the product are proper transport proper storage installation and proper operation and maintenance When operating electrical equipment parts of this equipment automatically carry dangerous voltages Improper handling can therefore result in serious injuries or material damage lt Use only isulating tools lt Do not connect while circuit is live hot lt Place the meter only in dry surroundings lt Do not mount the meter in an explosive area or expose the meter to dust mildew and insects Make sure the wires are suitable for the maximum current of this meter lt Make sure the AC wires are connected correctly before activating the current voltage to the meter lt Do not touch the meter connecting clamps directly with metal blank wire and your bare hands as you may get electrical shock Make sure the protection cover is placed after installation lt Installation maintenance and reparation should only be done by qualified personnel lt Never break the seals and open the front
8. forio DRT 301M User Manual DRT 301M Three phase DIN rail energy meter with multi tariff Seven modules 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 foriemg 1 9 Dimensions 1 10 Installation 1 11 Operating 1 12 Troubleshooting 1 13 Technical support User manual Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592 forios 1 1 Safety instructions DRT 301M User Manual 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 These information are highlighted by a warning triangle indicating the degree of potential danger Caution This means hazard of electric shock and failure to take the necessary safety Warning This means that failure to observe the instruction can result in death serious injury or considerable material damage A precautions will result in death serious injury or considerable material damage Qualified personnel Operation of the equipment module device described in this manual may only be performed by qualified personnel Qualified personnel in this manual means p
9. inflammable retarding www china meters com Email sale01 china meters com 021 60975591 60975592 forios 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 A WARNING Installation should be performed by qualified personnel familiar with applicable codes and regulations Use isolated tools to install the meter Fuse or thermal cut off or single pole circuit breaker can t be fitted on the Supply line and not the neutral line lt We recommend that the connecting wire which is used to connect the meter to the outside Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592 forios 444 444 4 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 ext
10. n the inside circuit Maybe there is a fault in the inside circuit Any questions please contact TEL FAX Email Only when load is running RED LED is burning continue the LCD energy register will run If the operating power is too low the spacing interval of the pulses will take some more time This is why it seems like the LCD energy register can t run Please contact your technical supporter to replace this meter Check the external voltage source Ui is 5 27V DC Check correct connecting Connect 5 27V DC to connector 3 anode and the signal wire S to connector 2 cathode Please contact your technical supporter to replace this meter Please connect with technical supporter to replace this meter 021 60975591 021 60975592 021 60975593 Sale01 china meters com www china meters com A fe ake 2 COMPLIANT 2002 95 EC g Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592
11. o that it is easy to read When the meter is installed in an area with frequent surges due to e g thunderstorms welding machines inverters etc protect the meter with Surge Protection Devices After finishing installation the meter must be sealed to prevent tampering Connection of the wires should be done in accordance with the underneath connection diagram A Direct connect type NX AX so 485A 485B l 18 17 16 15 14 13 12 11 10 9 8 1 2 Ia IN OUT 3 4 Ib IN OUT 5 6 Ic IN OUT 7 Neutral wire 8 9 Test pulse output contact 10 11 RS485 communication contact Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592 forios B CT connect type DRT 301M User Manual Ub Uc i AX X se 485A 485B il g 18 17 16 15 14 13 12 11 10 9 8 1 2 Ia IN OUT 3 4 Ib IN OUT 5 6 Ic IN OUT 18 16 14 12 Phase A B C N 8 9 Test pulse output contact 10 11 RS485 communication contact 1 11 Operating Consumption indication On the DRT 301M S front panel there are three LED respectively for the energ
12. orios 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 amp DL T645 option DRT 301M User Manual Far infrared communication port The far infrared communication port is on the left of LCD screen It is infrared wireless communication port The TP900 hand held programmer can directly communicate the data between the meter and this port The data transmission speed is 1200bps default The communication distance is not less than 5m Rs485 output RS485 communication port is between the meter terminal 11 and 10 It is a synchronization wire port Installing a software in PC via RS485 adapter Connecting the terminal 11 and 10 PC can communicate with the meter immediately 1 13 Troubleshooting CAUTION During reparation and maintenance do not touch the meters 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 damage Turn off and lock out all power supplying the energy meter and the equipment to which it is installed before opening the protection cover to prevent the hazard of an electric shock Maintenance or reparation should be performed by qualified personnel familiar with applicable codes and regulations Use insulated tools to maintain or repai
13. provided with a non volatile memory system that ensures that the readings are not lost or altered when power off 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 For more information on other product please contact our sales department at saleO1 china meters com Although we produce the Forlong DRT301M meter according to IEC 62053 21 EN50160 and our quality inspection is very accurate there might always be a possibility that your product shows a fault or failure for which we do apologize Under normal conditions your product should give you years of benefit and pleasure In case there is a problem with the energy meter you should contact your dealer immediately All energy meters are sealed with a special seal Once this seal is broken there is no possibility to claim for warranty Therefore NEVER openan meter or break the seal of the meter The warranty time is 12 months after installation and only valid for construction faults 1 3 Performance criteria Operating humidity lt 75 Storage humidity lt 95 Operating temperature 10 C 50 C Storage temperature 30 C 70 C Shanghai F
14. r the meter Make sure the protection cover is in place after maintenance or reparation Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592 forios DRT 301M User Manual 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 equipment outside blink communicate with the meter Maybe there is a Please contact your technical fault in the inside Supporter to replace this meter circuit Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592 forio Problem No communication Of RS485 wire data with the meter No communication of the infrared wireless data with the meter Shanghai Fengyilong Electronic Co Ltd Is the meter ID correct Is the communication distance too long Is there too many meters connected to RS485 main wire Is the RS485 port connection correct Is the connection Maybe there is a fault in the inside circuit Is the meter ID correct Is the communication distance too long Is the communication protocol correct Maybe there is a fault in the inside circuit www china meters com DRT 301M User Manual Check and use the correct the Meter ID
15. y meter pulse light communications and fault indicator lights The constant of the impulse is shown on the nameplate of the meter Reading the meter Electric meter in the city exist will automatically round of significant power and the rate of the current total power timeshare Meter with three buttons on the nameplate respectively programming switches and flip up and down keys Through the fluctuation in the scroll button to see total sharp peak flat valley power last month total sharp peak flat and valley power the month before last total sharp peak flat valley power demand quantity of total total sharp total peak total flat total valley in current month demand quantity of total total sharp total peak total flat total valley in the last month demand quantity of total total sharp total peak total flat total valley in the month before last take place Three phase voltage three phase current active power and phase of total power depending on the total phase power and apparent power frequency battery voltage Date Time pulse constant table and automatic meter reading date etc 20 seconds automatically after the restoration of the current total power consumption display Municipal electric power will have an internal battery power supply power meter display support LCD CONTECT Shanghai Fengyilong Electronic Co Ltd www china meters com Email sale01 china meters com 021 60975591 60975592 forios D
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