PRO-75 SERIES User manual - Universal electric meter services
Contents
1. 2 Foreword Thank you for purchasing the DMMetering PRO 75 series DIN rail single phase two wire energy meter The DMMetering PRO 75 series energy meter is the most advanced type electronic kWh meter available at the market With the DMMetering 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 sales dmmetering com or info inepro com hk Although we produce the DMMetering PRO 75 series meter according to IEC 62053 21 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 open an energy meter or break the seal of the energy meter The warranty time is 5 years after production date and only valid for construction faults 1 3 Performance criteria Operating humidity 15 Storage humidity 95 Operating temperature 10 C 50 C Storage2. in the inside circuit Maybe there is a fault in the inside circuit Solution Only when load is running this LED will flash If the operating power is too low the spacing interval of the flashes will take some more time This is why it seems that LED is not burning Please contact your technical Supporter to replace this meter Check that the power supply indicator RED LED is burning 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 meter won t count 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
3. 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 so that it is easy to read When the meter is installed in an area with frequent surges due to e q 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 1 2 Phase line IN OUT 3 4 Neutralline IN OUT 5 and 6 Test pulse output contact 1 9 Operating Consumption indication There is a red LED which Is used as indicating power consumption in the front panel of PRO 75 ser
4. the equipment to which it is installed before working on it Always use a properly rated voltage sensing device to confirm that the power is down 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 Don t put your finger into the hole because there is a screw inside Please choose the available adapter which is supplied with the meterto suit the diameter of the cable We recommend that the connecting wire which is used to connect the meter to the outside circuit should be sized according to local codes and regulations for the ampacity 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 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 building 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
5. PRO 75 SERIES DIN rail single phase two wire energy meter User manual 1 1 1 2 1 3 1 4 1 3 1 6 l 7 1 8 1 9 1 10 1 11 Safety instruction Foreword Performance criteria Specifications Basic errors Description Dimensions Installation Operating Troubleshooting Technical support 1 1 Safety instructions AN A Information for Your Own Safety This manual does not contain all of the safety measures for operation of the equipment module device because special operating conditions and local code requirements or regulations may necessitate further measures However it does contain information which must be read for your personal safety and to avoid material damages This information is highlighted by a warning triangle and is represented as follows depending on the degree of potential danger Warning This means that failure to observe the instruction can result in death serious injury or considerable material damage Caution This means hazard of electric shock and failure to take the necessary safety precautions will result in death serious injury or considerable material damage Qualified personnel Commissioning and operation of the equipment module device described in this manual may only be performed by qualified personnel Qualified personnel in the sense of the safety information contained in this manual are persons who are authorized to commission start up ground and label de
6. ied personnel Never break the seals and open the front cover as this might influence the functionality of the meter and will avoid any warranty Do not drop or allow physical impact to the meter as there are high precision components inside that may break Exclusion of liability 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 care to suggest Subject to technical modifications without notice Copyright Copyright DMMetering November 2007 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 Registered trademarks DMMetering is registered trademark of Inepro Industries Ltd member of the Inepro Group The other names appearing in this manual may be trade names the use of these names by third parties for their own purposes may infringe the rights of the owners 1
7. ies When consumption happens the LED will flash The more quickly LED flashes the more consumption there is Reverse indication A red LED will illuminate to indicate the meter is connected in reverse way Reading the meter The PRO 75A series energy meter is equipped with a 5 1 register Five integers are marked with black color and one decimal is marked with red The PRO 75D series energy meter is equipped with 5 2 LCD display which is used as recording consumption and can t be reset to zero The reading accuracy is 1 100 kWh Pulse output The PRO 75 SERIES DIN rail energy meter is equipped with a pulse output which is fully separated from the inside circuit That generates pulses in proportion to the measured energy for accuracy testing The 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 is 27mMA DC To connect the impulse output connect 527V DC to connector 6 anode and the signal wire S to connector 5 cathode 1 10 Troubleshooting A CAUTION During reparation 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 damage Turn off and lock out all power supplying the energy meter a
8. nd the equipment to which it is installed before opening the protection cover to prevent the hazard of an electric shock A WARNING Maintenance or reparations should 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 Problem No light for the Power supply Indicator Green LED Continue Check Is AC power supply connected to the meter Is the L1 and L2 N connecting correct Maybe there is a fault in the inside circuit Solution Check switch or circuit breaker and fuse or thermal cut off Re install terminal screws on the L1 and L2 N Make sure all screws are fixed Than there should be a 230V 50Hz AC voltage between the terminal screws on the L1 and L2 N when power supply is input Please contact with technical Supporter to replace this meter Problem No light for the consumption indicator RED LED The register can t run No pulse output Pulse output rate wrong Check Is the load running Is the operating power too low Maybe there is a fault in the inside circuit Is there a power Supply inside the meter 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
9. temperature 30 C 70 C International standard IEC 62053 21 Accuracy class 1 Protection against penetration of dust and water IP51 Insulating encased meter of protective class 1 4 Specifications Meter type Nominal voltage Un Operational voltage Insulation capabilities AC voltage withstand Impulse voltage withstand Basic current Ib Maximum rated current Imax Operational current range Over current withstand Operational frequency range Internal power consumption Test output flash rate Red LED Pulse output rate pins 5 amp 6 reverse indicator Green LED Consumption indicator Red LED PRO 75A register display PRO 75D LCD display 230V AC 161 300V AC 2KV for 1 minute 6KV 1 2uS waveform 10A 100A 0 4 Ib Imax 30I max for 0 01s 50Hz 10 2W 10VA 1600imp kWh 1600imp kWh Current reverse Flashing at load running 1 5 Basic errors 0 05Ib Cosf 1 1 5 0 1lb Cosf 0 5L 1 5 Cosf 0 8C 1 5 0 1ib Imax Cosf 1 1 0 0 2Ib Imax Cosf 0 5L 1 0 Cosf 0 8C 1 0 1 6 Description A Front panel B Cover C Base D Security hasp Material Front panel PC inflammable retarding Cover ABS inflammable retarding Base ABS inflammable retarding E 1 7 Dimensions Height 130 mm Width 76 mm Depth 65 mm Max diameter cable 11 5 mm Weight 0 2 Kg net 1 8 Installation CAUTION Turn off and lock out all power supplying the energy meter and
10. vices 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 catalogue and the user manual and only in connection with devices and components recommended and approved by DMMetering Proper handling The prerequisites for perfect reliable operation of the product are proper transport proper storage installation and assembly as well as proper operation and maintenance When operating electrical equipment certain parts of this equipment automatically carry dangerous voltages Improper handling can therefore result in serious injuries or material damage Use only isolated tools Do not connect while circuit is live hot Do not connect the meter to a 3 phase 400VAC network Place the meter only in dry surroundings Do not mount the meter in an explosive area or expose the meter to dust mildew and 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 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 electrical shock ON S SS Make sure the protection cover is placed after installation Installation maintenance and reparations should only be done by qualif
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