Eastron SDM72CT-M User Manual Download Page 1

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B+G e-tech and Eastron - SDM72CT-M User Manual

B+G e-tech GmbH ° Fr.-Mehring Str. 36 ° DE 01979 Lauchhammer

T: +49 3574 467550 F: +49 3574 4675519 M: [email protected] W: www.eastron-germany.de

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Measures kWh, W etc.

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Bi-directional measurement IMP & EXP

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Two pulse outputs

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RS485 Modbus

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Din rail mounting 35mm

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1/5A CT connection

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Better than Class 1/ B accuracy

SDM72CT-M

Three Phase Four Wire Energy Meter

User Manual V1.4

2017

Summary of Contents for SDM72CT-M

Page 1: ...49 3574 467550 F 49 3574 4675519 M info bg etech de W www eastron germany de 1 Measures kWh W etc Bi directional measurement IMP EXP Two pulse outputs RS485 Modbus Din rail mounting 35mm 1 5A CT connection Better than Class 1 B accuracy SDM72CT M Three Phase Four Wire Energy Meter User Manual V1 4 2017 ...

Page 2: ...Built in interfaces provides pulse and RS485 Modbus RTU outputs Configuration is password protected PART 1 Specification General Specifications Voltage AC Un 3x230 400 V Voltage Range 80 120 Un Base Current Ib 5A CT input Max Current Imax 120 of Ib AC Mini Current Imin 5 of Ib AC Starting current 0 4 of Ib Power consumption 2W 10VA Frequency 50 60Hz AC voltage withstand 4KV for 1 minute Impulse vo...

Page 3: ...h Modbus protocol 0 01 kWh imp 0 1 kWh imp 1 kWh imp 10 kWh imp 100 kWh imp Pulse width 200 100 default 60ms can set with Modbus protocol Pulse output 2 is non configurable It is fixed up with total kWh The constant is 1000imp kWh RS485 Output for Modbus RTU For Modbus RTU the following RS485 communication parameters can be configured from the Set up menu Baud rate 1200 2400 4800 9600 Parity none ...

Page 4: ...IN rail 35mm Sealing IP51 indoor Material self extinguishing UL94V 0 PART 2 Operation Initialization Display When it is powered on the meter will initialize and do self checking Full Screen Software Version Total active energy kWh Total Import Export Max read 9999999 kWh Buttons function There are two buttons on the front panel Scroll the display for data checking Changing option at Set up mode Ex...

Page 5: ...any de 5 Scroll display After initialization and self checking program the meter display the measured values The default page is total kWh If the user wants to check other information please press the scroll button on the front panel Total active energy kWh Total Import Export import energy export energy Total active power W Active power L1 Active power L2 Active power L3 ...

Page 6: ... Eastron SDM72CT M User Manual B G e tech GmbH Fr Mehring Str 36 DE 01979 Lauchhammer T 49 3574 467550 F 49 3574 4675519 M info bg etech de W www eastron germany de 6 CT ratio Pulse 1 Modbus Address Baud Rate Parity ...

Page 7: ...e operation fails 2 Keep pressing for 3 second the current selection will flash use and to change the Modbus address Options 1 247 Keep press for 3s to confirm the selection 3 Keep pressing for 3 second the current selection will flash use and to change the Baud rate Options 1 2k 2 4k 4 8k 9 6k default Keep press for 3s to confirm the selection 4 Keep pressing for 3 second the current selection wi...

Page 8: ... 1 0001 to 2000 For example if using a 100A 5A current transformer you shall enter 0020 Keep press for 3s to confirm the selection 6 Use to select the Password option Keep pressing for 3 second the current selection will flash use and to enter the new password The range is from 0001 to 9999 Keep press for 3s to confirm the selection 6 1 Keep pressing button to exit the set up mold ...

Page 9: ...G e tech and Eastron SDM72CT M User Manual B G e tech GmbH Fr Mehring Str 36 DE 01979 Lauchhammer T 49 3574 467550 F 49 3574 4675519 M info bg etech de W www eastron germany de 9 Wiring diagram Dimensions ...

Page 10: ... Start address 0006 No of registers 0002 Amps 2 Start address 0008 No Of register 0002 Each request for data must be restricted to 30 parameters or less Exceeding the 30 parameter limit will cause a Modbus Protocol exception code to be returned Address Register Input Register Parameter Modbus Protocol Start Address Hex 3 Ø 3 Ø 1 Ø Description Length bytes Data Format Units Hi Byte Lo Byte 4 W 3 W ...

Page 11: ...col Start Address Hex Valid range Mode High Byte Low Byte 40013 7 Pulse 1 Width 00 OC Write pulse on period in milliseconds 60 100 or 200 default 200 Length 4 byte Data Format Float r w 40015 8 Access authority write password to get the access and read the status of the access KPPA 00 0E Read to get status of the current access 0 failed to get the access 1 already got the access Write write correc...

Page 12: ...yte Data Format Float r w 40033 17 CT ratio 00 20 CT ratio Range 0001 2000 Default 1 Length 4 byte Data Format Float KPPA is asked r w 40059 30 Time for scrolling display 00 3A Default 0 Unit s Range 0 30 0 means close scrolling Length 4 byte Data Format Float r w 40061 31 Time of back light 00 3C Default 0 Unit min Rang 0 120 0 means the back light will work all the time Length 4byte Data Format ...

Page 13: ...imary A Second Output A Accuracy ESCT T24 100 5A or 1A 0 5 or 1 ESCT T24 150 5A or 1A 0 5 or 1 ESCT T24 200 5A or 1A 0 5 or 1 ESCT T24 250 5A or 1A 0 5 or 1 ESCT T24 300 5A or 1A 0 5 or 1 ESCT T24 400 5A or 1A 0 5 or 1 ESCT T36 100 5A or 1A 0 5 or 1 ESCT T36 150 5A or 1A 0 5 or 1 ESCT T36 200 5A or 1A 0 5 or 1 ESCT T36 300 5A or 1A 0 5 or 1 ESCT T36 400 5A or 1A 0 5 or 1 ESCT T36 500 5A or 1A 0 5 ...

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