User Manual
Contents
1. will abandon the conversation 1 9 2 Connecting the Instruments If connecting an RS485 network to a PC use caution if contemplating the use of an RS232 to 485 converter together with a USB to RS485 adapter Consider either an RS232 to RS485 converter connected directly to a suitable RS232 jack on the PC or use a USB to RS485 converter or for desktop PCs a suitable plug in RS485 card Many 232 485 converters draw power from the RS232 socket If using a USB to RS232 adapter the adapter may not have enough power available to run the 232 485 converter Screened twisted pair cable should be used For longer cable runs or noisier environments use of a cable specifically designed for RS485 may be necessary to achieve optimum performance All A terminals should be connected together using one conductor of the twisted pair cable all B terminals should be connected together using the other conductor in the pair The cable screen should be connected to the Gnd terminals A Belden 9841 Single pair or 9842 Two pair or similar cable with a characteristic impedance of 120 ohms is recommended The cable should be terminated at each end with a 120 ohm quarter watt or greater resistor Note Diagram shows wiring topology only Always follow terminal identification on Integra Digital meter product label Integra Integra Slave Slave Integra Master 120 ohm 120 ohm There must be no more than two wires conn2. 400imp kWh direct type Baud rate 1200bps default Modbus ID 001 default CT ratio CT type only Accumulated used energy If the CT ratio is less than 150 5 the LCD display will shows 6 integrals plus 1 decimal If the CT ratio is set bigger than 150 5 then the LCD will show 7 integrals Two button functions ST To set the meter LCD backlight modes confirm the option and get into set up mode SCROLL To scroll the LCD backlit mode and exit Backlit Setting SDM530C is equipped with highlight blue color backlit which provide a clear view of reading when the meter is installed in a dark condition 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 Three phase din rail kWh meter SDM530C user manual There are three modes optional ONLED the backlit always on OFFLED the backlit always off OPEN30S the backlit will turn on after each click of button You need pressing the SET button for 5 second to get into the Backlit setting mode 1 9 Protocol SDM530C has a RS485 port with Modbus RTU protocol RS485 is a balanced line half duplex transmission system allowing transmission distances of up to 1 km The following table summarizes the RS485 Standard PARAMETER Mode of Operation Differential ss Number of Drivers and Receivers 32 Dri
3. version meter measures up to 100A load And the CT connection type request an external current transformer with 5A secondary input Although we produce the SDM530C 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 International standard IEC 62053 21 IEC61010 O50r1 0 0 02 O 0 5 or 1 0 Protection against penetration of dust and water IP51 Insulating encased meter of protective class 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 Three phase din rail kWh meter SDM530C user manual 1 4 Meter specifications Meter type SDM530C Nominal voltage Un 230 400V AC 3 110 220V AC Insulation capabilities AC voltage withstand 4KV for 1 minute Impulse
4. for the master s query and the slave s response The query contains the device or broadcast address a function code defining the requested 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 Three phase din rail kWh meter SDM530C user manual action any data to be sent and an error checking field The response contains fields confirming the action taken any data to be returned and an error checking field If an error occurred in receipt of the message then the message is ignored if the slave is unable to perform the requested action then it will construct an error message and send it as its response The following example illustrates a request for two 16 bit Modbus Protocol Registers First Byte Slave Function Start Start Number Number Address Code Address Address of of Hi Lo Points Points Hi Lo Slave Address 8 bit value representing the slave being addressed 1 to 255 O is reserved for the broadcast address The Integra Digital meters do not support the broadcast address Function Code 8 bit value telling the addressed slave what action is to be performed 3 4 8 or 16 are valid for Integra Digital meter Start Address Hi The top most significant eight bits of a 16 bit number specifying the start address of the data being req
5. of the impulse is shown on the nameplate of the meter Reading the meter The SDM530C 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 SDM530C 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 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 Three phase din rail kWh meter SDM530C user manual 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 Com
6. register map for SDM 520C the function codes 0x03 to read register and 0x10 to write register Address hex Length Access R W Data Format Ox011E Total Energy R HEX _ Kwh 100 0x000F Modbus ID OxF800 oxF900 2 SC CTratio w HWX S O Example if the meter address is 01 How to Read Total Energy Send 01 03 01 1E 00 O2CRCL CRCH Receive 01 03 04 XX XX XX XX CRCL CRCH XX XX XX XX is Energy information if XX XX XX XX 00 00 00 FF The 00 00 00 FF converted into decimal 255 So Total Energy is255 100 2 55Kwh How to change Modbus ID for example from O1 to 15 First 15 converted into HEX OxOf Send 01 10 00 OF 00 01 02 00 OF CRCLCRCH Receive 01 10 00 OF 00 01 CRCL CRCH How to change Baud rate Send 01 10 F8 00 00 01 02 XX XX CRCL CRCH XX XX 00 01 Baud rate 1200 XX XX 00 02 Baud rate 2400 XX XX 00 03 Baud rate 4800 XX XX 00 04 Baud rate 9600 Receive 01 10 F8 00 00 01 CRCL CRCH 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 Three phase din rail kWh meter SDM530C user manual How to change CT ratio Send 01 10F9 0000 01 02 XX XX CRCL CRCH CT ratio XX XX Measurement CT ratio XX XX Measurement interval 160imp interval 160imp vn 2 aan ann D S S 2 0 Technical support Any questions please contact 0086 573 8369888
7. voltage withstand 6KV 1 2uS waveform Basic current Ib CT type 5A Directly connect 10A Maximum rated current Imax CT type 6A Directly connect 100A O Test output flash rate PULSE LED CT type 1600imp kWh Directly connect 400imp kWh Test pulse output rate pins 8 amp 9 CT type 1600imp kWh Directly connect 400imp kWh CT Changing Ratio 27 ratios optional Phase voltage missing indicator LED turn on when the phase voltage is Phase A B amp C LED missing Consumption indicator PULSE amp SO LED Flashing at load running Communication indicator Flashing at communication running Data communication port RS485 and far infrared Data save The data can be stored more than 20 years when power off 1 5 RS485 communication specifications Bus type RS485 PRS485 0 1200 default 2400 4800 9600bps 1 247 user settable Infrared communication specifications Infrared wavelengths 900 1000nm 1200bps default Communication distance Communication angle 15 15 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 Three phase din rail kWh meter SDM530C user manual 1 6 Dimensions 1 7 Installation Turn off all the power before working on it Always use a properly rated voltage sensing device to confirm that po
8. 1 FAX 0086 573 83698883 Email sales eastrongroup com Web www eastrongroup com 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
9. Three phase din rail kWh meter SDM530C user manual SDM530C 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 NPR RRP PRP OUWOON AU ARWN FE 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 Three phase din rail kWh meter SDM530C 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 Qual
10. Wh meter SDM530C user manual 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 e 4445 444 gt Direct connection CT connection FER gt FOF D 1 8 Operating Consumption indication On the SDM530C S front panel there are four LED in which three LED are for three phase voltage and another one for impulse The constant
11. ected to each terminal this ensures that a Daisy Chain or straight line configuration is used A Star or a network with Stubs Tees is not recommended as reflections within the cable may result in data corruption 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 Three phase din rail kWh meter SDM530C user manual Daisy Chained Connection Correct star Connection WRONG stub Connection WRONG 1 9 3 MODBUS Protocol General Information Communication on a MODBUS Protocol Network is initiated started by a Master sending a query to a Slave The Slave which is constantly monitoring the network for queries addressed to it will respond by performing the requested action and sending a response back to the Master Only the Master can initiate a query Slave 1 Slave 2 Slave 3 Slave n Master Response LA In the MODBUS Protocol the master can address individual slaves or using a special Broadcast address can initiate a broadcast message to all slaves The Integra Digital meter do not support the broadcast address 1 9 3 1 MODBUS Protocol Message Format There are two MODBUS Protocol serial transmission modes ASCII and RTU 320c Meter support the support mode The MODBUS Protocol defines the format
12. ified personnel in this manual means person 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 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 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 ope
13. munication 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 Bright Only AC power Bright ABC together on 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 Three phase din rail kWh meter SDM530C user manual LCD display When the meter is power on the meter will display Full screen Software version 7P 1 0 1600imp kWh CT type
14. n the front cover as this might influence 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 44 44444 4 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 Three phase din rail kWh meter SDM530C 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 SDM530C 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
15. t bits of a 16 bit number representing the first register requested in the query First Register Lo The bottom least significant eight bits of a 16 bit number representing the first register requested in the query 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 Three phase din rail kWh meter SDM530C user manual Second Register Hi The top most significant eight bits of a 16 bit number representing the second register requested in the query Second Register Lo The bottom least significant eight bits of a 16 bit number representing the second register requested in the query Error Check Lo The bottom least significant eight bits of a 16 bit number representing the error check value Error Check Hi The top most significant eight bits of a 16 bit number representing the error check value 1 9 3 2 how to communicate with 530C meter Attention if you are going to read data from the meter you can read it from RS485 with correct command But if you want write data into the meter the set up mode of the meter must be open first The way to get into set up mode is by click the button SET on the screen you will see SET Only then you can send correct command otherwise it will cause failure in communication This part describes the
16. uested Start Address Lo The bottom least significant eight bits of a 16 bit number specifying the start address of the data being requested As registers are used in pairs and start at zero then this must be an even numberNumber of Points Hi The top most significant eight bits of a 16 bit number specifying the number of registers being requested Number of Points Lo The bottom least significant eight bits of a 16 bit number specifying the number of registers being requested As registers are used in pairs then this must be an even number Error Check Lo The bottom least significant eight bits of a 16 bit number representing the error check value Error Check Hi The top most significant eight bits of a 16 bit number representing the error check value Response The example illustrates the normal response to a request for two 16 bit Modbus Protocol Registers First Last Byte Byte slave Functio Byte First First Second Second Address n Code Count Register Register Register Register Hi Lo Hi Lo Slave Address 8 bit value representing the address of slave that is responding Function Code 8 bit value which when a copy of the function code in the query indicates that the slave recognised the query and has responded See also Exception Response Byte Count 8 bit value indicating the number of data bytes contained within this response First Register Hi The top most significant eigh
17. vers 32 Receivers Minimum Driver Output Levels uploaded Minimum 60 ohms Driver Output Short Circuit Current Limit 150mA to Gnd 250mA to 12V 250mA to 7V Minium Receiver Input Resistance 12Kohms Receiver Sensitivity 200MmV Further information relating to RS485 may be obtained from either the Eastron or the various RS485 device manufacturers for example Texas Instruments or Maxim Semiconductors This list is not exhaustive 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 Three phase din rail kWh meter SDM530C user manual 1 9 1 Half Duplex Half duplex is a system in which one or more transmitters talkers can communicate with one or more receivers listeners with only one transmitter being active at any one time For example a conversation is started by asking a question the person who has asked the question will then listen until he gets an answer or until he decides that the individual who was asked the question is not going to reply In a 485 network the master will start the conversation with a query addressed to a specific slave the master will then listen for the slave s response If the slave does not respond within a pre defined period set by control software in the master the master
18. wer is off AAWARNING 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 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 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 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 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 Three phase din rail k
Download Pdf Manuals
Related Search