User manual - kwh meters
Contents
1. 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 1200 default 2400 4800 9600 0 247 user settable 32 meters per bus recommend 1200m see part 2 2 900 1000nm 1200bps default 5m 15 15 MODBUS RTU with 16 bit CRC 1 7 Installation Height Width Depth Weight SDM 530C User Manual 100 mm 126 mm 65 mm 0 7 Kg net A CAUTION Turn off all the power before working on it Always use a properly rated voltage sensing device to confirm that power is Off 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 amp city of the circuit breaker or over current device used in the circuit lt An external switch ora 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 JIAXING EASTRON ELECTRONIC INSTRUMENTS CO TLD Address No 1369 Chengnan Road Nanhu Jiaxing Zhejiang China Tel 86 573 83698881 83698882 Email sales eastrongroup com A WARNING Installation should be performed by qualified personnel familiar with applicable codes and regulations Use isolated tools to install2. 573 83698883 Email sales eastrongroup com Web www eastrongroup com 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 CT Changing Ratio Phase voltage missing indicator Phase A B amp C LED Consumption indicator PULSE amp SO LED Communication indicator Data communication port Data save 1 5 RS485 communication specifications Bus type protocol baud rate Address range Bus Loading Rage Protocol Infrared communication specifications infrared wavelengths baud rate communication distance communication angle protocol 1 6 Material and Dimensions Front panel inflammable PC Cover inflammable PC Base inflammable PC Clamp Nylon Button Rubber JIAXING EASTRON ELECTRONIC INSTRUMENTS CO TLD Address No 1369 Chengnan Road Nanhu Jiaxing Zhejiang China Tel 86 573 83698881 83698882 Fax 86 573 83698883 Email sales eastrongroup com Web www eastrongroup com SDM 530C User Manual 5A 10A 6A 100A 0 4 Ib Imax 30Imax for 0 01s 50Hz 10 lt 2W 10VA per phase 1600imp kWh 400imp kWh 1600imp kWh 400imp kWh 27 ratios optional LED turn on when the phase voltage is missing Flashing at load running Flashing
3. SDM 530C THREE PHASE FOUR WIRE ENERGY METER WITH RS485 MODBUS RTU SEVEN MODULE User manual Safety instruction Foreword Performance criteria Specifications Communication Dimension amp material Installation Operating Protocol Technical support NRPrRRPrPRPRrP RRP OUOOAN AU BRWN EF JIAXING EASTRON ELECTRONIC INSTRUMENTS CO TLD Address No 1369 Chengnan Road Nanhu Jiaxing Zhejiang China Tel 86 573 83698881 83698882 Fax 86 573 83698883 Email sales eastrongroup com Web www eastrongroup com SDM 530C User Manual SDM 530C 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 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 person who a
4. n 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 44 444 e A Direct connect type so 485A 485B 18 17 16 15 14 13 12 11 10 9 8 OO 0 O O 2 1 2 3 4 5 6 7 A B C N io ie 1 2 Ia IN OUT 3 4 Ib IN OUT 5 6 Ic IN OUT Neutral wire 8 9 Test pulse output contact JIAXING EASTRON ELECTRONIC INSTRUMENTS CO TLD Address No 1369 Chengnan Road Nanhu Jiaxing Zhejiang China Tel 86 573 83698881 83698882 Fax 86 573 83698883 Email sales eastrongroup com Web www eastrongroup com SDM 530C User Manual 10 11 RS485 communication contact B CT connect type Ua Ub Uc 7 Yoona so 485A 4858 N LEP 7 i O 18 17 16 15 14 13 12 11 10 9 8 O O OO O O 5 6 7 la Ib Ic 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 8 Operating Consump
5. re 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 the Eastron Electronic Instruments 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 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
6. the function of 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 4444 JIAXING EASTRON ELECTRONIC INSTRUMENTS CO TLD Address No 1369 Chengnan Road Nanhu Jiaxing Zhejiang China Tel 86 573 83698881 83698882 Fax 86 573 83698883 Email sales eastrongroup com Web www eastrongroup com SDM 530C 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 1 2 Foreword The Eastron SDM 530C is a DIN rail three phase four wire energy meter with RS 485 Modbus RTU protocol Output is LCD displayed based on kWh and the data can be transported by isolated RS485 The meter is provided with a non volatile memory system that ensures that the readings are not lost or altered when power off The SDM530C has both direct connection version and CT connection version The direct connection version meter measures up to 100A load And the CT connection type req
7. 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 Fax 86 573 83698883 Web www eastrongroup com SDM 530C User Manual circuit breaker should comply with the specifications of the buildings 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 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 a
8. tion indication On the SDM 530C S front panel there are four LED in which three LED are for three phase voltage and another one for impulse The constant of the impulse is shown on the nameplate of the meter Reading the meter The SDM 530C energy meter is equipped with 6 1 or 5 2 LCD display which is used as recording consumption and can t be reset to zero The number system is based on units of 10 And unit is kWh Another way through RS485 and PC software or HHU hand held unit unit can read power consumption For HHU information please contact sales eastrongroup com Pulse output JIAXING EASTRON ELECTRONIC INSTRUMENTS CO TLD Address No 1369 Chengnan Road Nanhu Jiaxing Zhejiang China Tel 86 573 83698881 83698882 Fax 86 573 83698883 Email sales eastrongroup com Web www eastrongroup com SDM 530C User Manual SDM 530C 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 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
9. to connector 9 anode and the signal wire S to connector 8 cathode The meter pulses is indicated on the front panel Communication port SDM530C 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 with MODBUS RTU protocol Far infrared communication port The far infrared communication port is on the left of LCD screen It is infrared wireless communication port The 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 LEDs There are four LEDs on the front panel they are marked with A B C and imp kwh ABC are phase voltage missing indicators and imp kwh is pulse output indicator po ellow Green Red S Only AB power Only AC power Bright ABC together on Does not shine Does not shine Does not shine the power JIAXING EASTRON ELECTRONIC INSTRUMENTS CO TLD Address No 1369 Chengnan Road Nanhu Jiaxing Zhejiang China Tel 86 573 83698881 83698882 Fax 86 573 83698883 Email sales eastrongroup com Web www eastrongroup com
10. uest an external current transformer with 5A secondary input Although we produce the SDM 530C 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 6 months after installation and only valid for construction faults 1 3 Performance criteria Operating humidity lt 85 Storage humidity lt 95 Operating temperature 20 C 50 C Storage temperature 30 C 70 C International standard IEC 62053 21 IEC61010 Accuracy class 0 5 or 1 0 Protection against penetration of dust and water IP51 Insulating encased meter of Protective class II 1 4 Meter specifications Meter type SDM 530C Nominal voltage Un 230 400V AC 3 110 220V AC Operational voltage Insulation capabilities AC voltage withstand 4KV for 1 minute Impulse voltage withstand 6KV 1 2uS waveform JIAXING EASTRON ELECTRONIC INSTRUMENTS CO TLD Address No 1369 Chengnan Road Nanhu Jiaxing Zhejiang China Tel 86 573 83698881 83698882 Fax 86
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