DRS-2DM User manual
Contents
1. ruled out so that no liability can be accepted for any errors or omissions in the information given The data in this manual are checked regularly and the necessary corrections will be included in subsequent editions If you have any suggestions please do not hesitate to contact Us DRS 2DM series User manual Subject to technical modifications without notice Copyright Copyright Fengyilong January 2012 All rights Reserved It is prohibited to pass on or copy this document or to use or disclose its contents without express permission of Inepro Metering BV Any duplication is a violation of the law and subject to criminal and civil penalties All rights reserved particularly for pending or approved patent awards or registered trademarks 2 Foreword Thank you for purchasing this energy meter Inepro has a wide product range of devices We have introduced a large number 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 products please contact our sales department at saleO4 china meters com or fyl china meters com Although we produce this device according to international standards and our quality inspection is very accurate it s still possible that this device shows a defect or failure for which we do apologize Under normal con2. For questions about one of our products please contact Tel 0086 021 60975591 60975592 Fax 0086 021 60975593 Email saleO4 china meters com www china meters com a Rony DO ADA EC Fengiylong 2011 12 DRS 2DM User manual
3. acy is 1 10 kWh For this meter the LED will flash 1000 times per kWh Fengiylong 2011 7 DRS 2DM User manual foriera LCD layout 4 CT DRS 2DM series User manual Ly ELLI LI ERE CL MD Hz T8 KWvarh LCD symbol explanation 1 Negative symbol total energy reverse energy current active power negative power apparent power 2 Communication symbol this symbol will appear for 1s when communicate through 485 3 lock Only for the Accumulated method of total energy values 4 D Only applies to specific models of the meter 5 H Z frequency symbol TE 6 Lf tarriff T1 tarriff 1 T2 tarriff 2 7 kWAva rh This symbol can show the following combinations depending on the selected view kW V A KWh Var VA 11 3 Readout possibilities The following variables can be readout in the order as described below from the display Total active energy may be positive or negative forward active energy reverse active energy tariff 1 total active energy tariff 2 total active energy Fengiylong 2011 8 DRS 2DM User manual DRS 2DM series User manual accumulated method for total active energy pulse output rate code table in section 11 5 MODBUS baud rate meter ID meter serial number Current Voltage Frequency active Power Reactive power Apparent power Power factor 11 4Backlight You have three options to choose from 1 The backlight is consta
4. al line sa install the device e The connecting wire connecting the device to the outside circuit should be sized in Fengiylong 2011 6 DRS 2DM User manual 1 g LHT accordance with local regulations for the maximum amount of the current breaker or other overcurrent protection devices used in the circuit e An external switch or a circuit breaker should be installed on the supply wires which will be used to disconnect the meter and the device supplying energy It is recommended that this switch or circuit breaker is placed near the meter because that is more convenient for the operator The switch or circuit breaker should comply with the specifications of the building s electrical design and all local regulations e An external fuse or thermal cut off used as an overcurrent protection device for the meter must be installed on the supply side wires It s recommended that this protection device is also placed near the meter for the convenience of the operator The overcurrent protection device should comply with the specifications of the building s electrical design and all local regulations e This meter can be installed indoor or outdoor enclosed in a meter box which is sufficiently protected in accordance with local codes and regulations DRS 2DM series User manual e To prevent tampering an enclosure with a lock or a similar device can be used e The meter has to be installed against a fire resistant wall e The me
5. ark or a lightning bolt depending on the degree of actual or 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 Installation and operation of the device described in this manual may only be performed by qualified personnel Only people that are authorized to install connect and use this device who have the proper knowledge about labeling and grounding electrical equipment and circuits and can do so in accordance with local safety regulations are considered qualified personnel in this manual Use for the intended purpose This device 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 Fengyilong Proper handling The prerequisites for perfect reliable operation of the product are proper transport storage installation and connection as well as proper operation and maintenance During its operation certain parts of the meter might carry dangerous voltages Only use insulated tools suitable for the voltages this meter is used for Do not connect while the circuit is connected to a power or current source Only place the meter in a dry environme
6. ditions your product should give you years of trouble free operation In case there is a problem with the energy meter you should contact your distributor immediately Most of our energy meters are sealed with a special seal Once this seal is broken there is no possibility to claim any warranty Therefore NEVER open an energy meter or break the seal of the device The warranty period is 3 years after production and only valid for production faults Fengiylong 2011 3 Performance criteria Operating humidity lt 75 Storage humidity lt 95 Operating temperature 25 C 55 CE Storage temperature 30 C 70 C International standard EN50470 3 Accuracy class 1 Protection against penetration of dust and water IP51 Insulating encased meter of protective class II 4 Specifications Meter type DRS 2DM Nominal voltage Un 230 V AC Operational voltage Insulation capabilities AC voltage withstand Impulse voltage withstand Basic current Ib Maximum rated current Imax Operational current range Over current withstand 4 DRS 2DM 195 253V AC 4kV for 1 minute 4kV 1 2uS waveform 10A 80A 100A 0 4 Ib Imax 30Imax for 0 01s User manual DRS 2DM series User manual Operational frequency range 50 or 60 Hz 10 Internal power consumption lt 2W 10VA Test output flash rate RED LED 1000 imp kWh Pulse output rate 1000 100 10 1 or 0 1 imp kWh Data store The data can be stored for more than 25 years wit
7. foriong DRS 2DM DRS 2DM series User manual DIN rail single phase two wire energy meter User manual Version 1 02 DRS 2DM series User manual 1 Sale instructions actua prdobararcatasa cacaos 3 Z FOPOWOFO emission bbs pudiese 4 gt PEON e Crta sidra 5 A AS DECINCAUONG 2s ctunavvseantvssedcacnevinss tac pita tidad taba 5 O BASIC FOT sistecsunitaterc E E E EE E E E EEE 5 6 RS485 communication SPECIFICATIONS coocccccccccccconnnnnnnancnan cnn nn nr 5 Z Tan o peccato nrerin re aii 5 Die ale no y APP e o e 6 A la o A a E gn 5 10 Tala Or roda 7 A o A EE E EE E EEE EEEE E AAEE EEE EEA 6 11 1 Eonsumpuon INACIO Nro 8 112 Redding ee Meteo iii 8 ILa Readout DOSSIDIMMeOS crio 9 Liet AIC ING Ol raja oa A 9 PS Ea CO GUE E e II e rage enesc ores 9 LZ POUPE ANOOI sms nated eeverarnaenneaeeecae NEE E EE 10 13 Technical SUPPONE sirrersiniiesiirinidinintrrt keiden eatea rN EAE iA EDEA 12 Fengiylong 2011 2 DRS 2DM User manual 1 g LHT 1 Safety instructions DRS 2DM series User manual I nformation for your own safety This manual does not contain all of the safety measures for operation of this meter because special operating conditions local code requirements or local regulations may necessitate further measures However it does contain information which must be adhered to for your own personal safety and to avoid material damage This information is highlighted by a warning triangle with an exclamation m
8. hout power 5 Basic errors 0 05Ib Cos 1 1 5 0 1Ib Coso 0 5L 1 5 Cos 0 8C 1 5 0 1Ib Imax Cos 1 1 0 0 2Ib Imax Cos 0 5L 1 0 Cos 0 8C 1 0 6 RS485 communication specifications Bus type RS485 protocol MODBUS RTU with 16 bit CRC baud rate 1200 default 2400 4800 9600 Address range 1 247 user settable default 1 Bus Loading 32 meters per bus 7 Tariff specifications Number of tariffs 2 Two tariffs can be set using an external time relay connected to the terminals 26 and 27 see section 10 8 Description A Front panel B Case C Protection cover D Security wire slot Material Front panel PC inflammable plastic Protection cover ABS PC inflammable plastic Base ABS PC inflammable plastic Fengiylong 2011 5 DRS 2DM User manual forieng DRS 2DM series User manual 9 Dimensions Height 140 mm Height without protection cover 90 mm Width 36 mm Depth 70 mm Weight 0 240 Kg net 10 Installation A CAUTION Turn off and if possible lock all sources supplying the energy meter and the equipment that is connected to it before working on it Always use a properly rated voltage sensing device to confirm that power is off A WARNING The installation should be performed by qualified personnel familiar with applicable codes and regulations Use insulated te A fuse thermal P off or single pole circuit breaker should be fitted on the supply line and not on the neutr
9. lution The register There is almost no load Check if the red consumption LED doesn t count connected to the meter is flashing 100 flashes of the LED at 1000 pulses per kWh equals 0 1kWh This is default value in case the RS485 is set at another rate is the number of flashes might be different see the table in section 11 5 Maybe there is a fault inside the meter Please contact technical support for a meter replacement No pulse output The pulse output is not Check the external voltage source supplied with DC power Ui is 5 27V DC with a voltage meter The pulse output is not connected correctly Check if the connection is correct the 5 27V DC should be connected to the collector connection pin 3 Maybe there is a fault and the signal wire S to the inside the meter emitter connection pin 2 Please contact technical support for a meter replacement rate is wrong inside the meter for a meter replacement The display is The meter is not Are the fuses or and surge totally off connected to a power protection defect source Fengiylong 2011 10 DRS 2DM User manual RS485 communication is not working The consumption red LED flashing LED Fengiylong 2011 is not PULSE LI and N are connected correctly not There is no 230V AC between the N and the L connection when power is Supplied to the meter The meter ID is incorrect The RS485 wire is too long to properly co
10. m the LED The pulse output is 1000 per kWh and is settable using the RS485 communication protocol the table below outlines the possibilities SO pulse output can set through 485 there are 5 possibilities the speed of pulse output Number of pulses per kWh kwh pulse 0 001 default kwh pulse 1000 0 01 kwh pulse 0 1 kwh pulse 1 kwh pulse 10 kwh pulse 1 pulse per 10kWh Fengiylong 2011 9 DRS 2DM User manual orang 12 Troubleshooting DRS 2DM series User manual A CAUTION During repair and maintenance do not touch the meter connecting clamps directly with your bare hands with metal blank wire or other conducting material as that will cause an electric shock and possibly cause injury serious injury or even death Turn off and if possible lock all sources supplying the energy meter and the equipment that is connected to it before opening the protection cover and working on it Turn off and lock all power supply to the energy meter and the equipment to which it is installed before opening the protection cover to prevent the hazard of electric shock A WARNING Maintenance or repair should only be performed by qualified personnel familiar with applicable codes and regulations Use insulated tools to maintain or repair the meter Make sure the protection cover is in place after maintenance or repair The case is sealed failure to observe this instruction can result in damage to the meter Check so
11. mmunicate with the meter There are too many devices connected to the Same RS485 bus The cables are not correctly connected to the RS485 port The polarity of the cables Is wrong Maybe there is a fault inside the meter There iS no load connected to the meter The load on the line is very low There is a fault inside the meter 11 DRS 2DM DRS 2DM series User manual Make sure the wires are connected properly and tighten the screws if possible Check if there is 230V AC voltage between N and the L connection with a voltage meter If the checks above don t solve the problem please contact technical support for a meter replacement Check and use the correct meter ID The default meter ID s 1 Make sure that the length of the RS485 wire is no more than 1000 meters Check that there are no more than 32 devices or the maximum amount supported by your receiver connected to one bus The correct connection is RS485 wire A D to terminal 24 RS485 wire B D to terminal 25 Swap the MODBUS communication wires if you are not sure if the wires are correctly connected Please contact technical support for a meter replacement Connect a load to the meter Check with an Ohm meter if the load value is very low If the checks above don t solve the problem please contact technical support for a meter replacement User manual foriena DRS 2DM series User manual 13 Technical support
12. nt Do not mount the meter in an explosive area or exposed to dust mildew and or insects Make sure the used wires are suitable for the maximum current of this meter Make sure the AC wires are connected correctly before activating the current voltage to the meter e Do not touch the meter s connection clamps directly with your bare hands with metal blank wire or other conducting material as you will risk an electric shock that could cause possible injury serious injury or death e Make sure the protection covers are replaced after installation e Maintenance and repair of the meter should only be carried out by qualified personnel e Never break any seals if present on this meter to open the front cover as this might influence the functionality or accuracy of the meter and will void all warranty e Do not drop or allow physical impact to the meter as there are high precision components inside that may break and affect the meter measurement negatively e All clamps should be properly tightened e Make sure the wires fit properly in the connection clamps e If the wires are too thin it will cause a bad contact which can spark causing damage to the meter and its surroundings Fengiylong 2011 3 DRS 2DM User manual Exclusion of liability We have checked the contents of this manual and every effort has been made to ensure that the descriptions are as accurate as possible However deviations from the description cannot be completely
13. ntly on 2 The backlight is constantly off 3 The backlight turns on when you press the SET button In order to set the backlight option you 1 press the program button left button just under the meter display for several seconds 2 the display will show set 3 in order to select the right program press the right button just under the display so you can go upward or downward LED1 the backlight is constantly on LED2 the backlight is constantly off LED3 the backlight turns on when you press the SET button 4 in order to save the option you press the left button just under the display After a few seconds the word end will appear in the display The button should be kept pressed until you get the measurement energy value on the display 11 5Pulse output The energy meter is equipped with a pulse output which is optically isolated from the inside circuit It generates pulses in proportion to the measured consumption for purpose of remote reading or accuracy testing The pulse output is a polarity dependent open collector transistor output requiring an external voltage source for correct operation For this external voltage source the voltage Ui should be lower than 27V DC and the maximum switching current Imax is 27mA To connect the impulse output connect 5 27V DC to connector 3 collector and the signal wire S to connector 2 emitter Pa lan 20 emitter 21 collector Ei light bundle fro
14. ter has to be installed in a well ventilated and dry place e The meter has to be installed in a protective box if the meter is exposed to dust or other contaminants e The meter can be installed and used after being tested and can be sealed afterwards e The device can be installed on a 35mm DIN rail e The meter should be installed on a location where the meter can be read easily e In case the meter is installed in an area with frequent surges for example due to thunderstorms welding machines inverters etc the meter is required to be protected with a Surge Protection Device e The device should be sealed immediately after installing it in order to prevent tampering e Connection of the wires should be done in accordance with the connection diagram as shown below 1 2 Phase line IN OUT 3 4 Neutral line IN OUT 20 and 21 Test pulse output contact 24 A and 25 B A and B RS485 contact 27 and 26 Tariff setting contact 11 Operation 11 1 Consumption indication There is a red LED on the front panel which displays the consumption measured by the meter When power is consumed the LED will flash The faster the LED flashes the more power is consumed For this meter the LED will flash 1000 times per kWh 11 2Reading the meter The energy meter is equipped with a 5 1 digit LCD which is used to record consumption and can t be reset to zero The display has 5 digits before and 1 decimal after the dot on the display The reading accur
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