User manual
Contents
1. 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 6 amp 7 Consumption indicator RED LED www eastron se lt 85 lt 95 20 C 50 C 30 C 70 C IEC 62053 21 1 IP51 Il SDM120A Mechanical register display SDM120D LCD display SDM120DB LCD with backlit 230V AC 161 300V AC 2KV for 1 minute 6KV 1 2uS waveform 5A 45A 0 4 Ib Imax 30Imax for 0 01s 50Hz 10 lt 2W 10VA 1000imp kWh 2000imp kWh optional 1000imp kWh 2000imp kWh optional Flashing at load running 1 5 Basic errors 0 05Ib Cos 1 O 1Ib Cos 0 5L Cos 0 8C O 1Ib Imax Cosp 1 0 2Ib Imax Cos 0 5L Cos 0 8C 1 6 Dimensions and material Material Case Protection cover Clamp Nylon 1 7 Installatio 67mm n SDM120 series User Manual 1 5 1 5 1 5 1 0 1 0 1 0 PC alloy inflammable retarding PC alloy inflammable retarding A CAUTION www eastron se Turn off all the power before working on it Always use a properly rated voltage sensing device to confirm that power is Off SDM120 series User Manual A WARNING Installation should be performed by qualified personnel familiar with2. related procedures and regulations Use insulating 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 The case is sealed do not broken it lt 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 capacity of the circuit breaker or over current device used in the circuit lt 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 lt 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
3. 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 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 9999 444 29 Terminal 1 L in Terminal 2 L out Terminals 3 amp 4 Neutral Terminal 6 amp 7 Pulse output www eastron se SDM120 series User Manual 1 8 Operating Consumption indication There is a LED on front panel which flashes when consumption happens The more quickly LED flashes the more consumption happens The constant of the LED is 1000imp kWh Reading the meter The SDM120A energy meter is equipped with a 5 1 register Five integers are marked with black color and one decimal is marked with red The SDM120D series energy meter is equipped with 6 digits LCD display which is used as r
4. SDM120 series User Manual SDM120 SERIES Single phase two wire DIN rail energy meter One module EASTRON C 09001 2008 EASTRON e 3 1IS09001 2008 EASTRON C 3 1S09001 2008 F519 BY az 1 014001 2004 19 EG 1 014001 2004 1S BA dg 15014001 2004 www eastrongroup com User manual 1 1 Safety instruction 1 2 Foreword 1 3 Performance criteria 1 4 Specifications 1 5 Basic errors 1 6 Dimension amp material 1 7 Installation 1 8 Operating 1 9 Technical support www eastron se SDM120 series 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 This information is highlighted by a warning triangle indicating the degree of potential danger Caution It means hazard of electric shock and failure to take the necessary safety precautions Warning It means that failure to follow the instruction can result in death serious injury or considerable material damage A 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 person who are authorized to commission start up ground
5. 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 Eastron 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 Use only insulating 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 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 metal blank wire and your bare hands as you may get electrical shock Make sure the protection cover is placed after installation Installation maintenance and reparation should only be done by qualified personnel Never break the seals and open the front cover as this might influence the function o
6. ecording consumption and can t be reset to zero Before the accumulated reading go to 10 000kWh the LCD shows in xxxx xx 4 integrals 2 decimals After the reading reaches to 10 000kWh the LCD shows in xxxxx x 5 integrals 1 decimal The Max reading is 99999 9kWh Pulse output The SDM120 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 is 5 27V DC and the maximum input current Iimax is 27mA DC To connect the impulse output connect 5 27V DC to connector 7 anode and the signal wire S to connector 6 cathode www eastron se
7. f the meter and will cause no warranty Do not drop or allow strong physical impact on the meter as the high precisely components inside may be damaged 999 99599529 www eastron se SDM120 series 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 1 2 Foreword Thank you for purchasing the Eastron SDM120 series DIN rail single phase two wire energy meter With the Eastron product range we have provided a large scale of energy meters on the market suitable for 110V AC to 400V AC 50 or 60Hz SDM120 series are only 1 module 17 5mm width ensuring a high accuracy class better than Classi a very low starting current which makes it exceptionally suitable for sub metering system and general use 1 3 Performance criteria Operating humidity Storage humidity Operating temperature Storage temperature International standard Accuracy class Protection against penetration of dust and water Insulating encased meter of Protective class 1 4 Specifications Meter type Nominal voltage Un
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