USER MANUAL DTS541 Three-Phase Energy Meter
Contents
1. LED amp LCD Manual scroll mode Display Display mode Automatic scroll mode Power off display Display interval See 4 2 2 3 Display contents Display contents are configurable see 4 2 2 4 4 Meter Function BS Standard Terminal Box Entry Cable Diameter mm Enclosure protection IP53 4 1 Measurement 4 1 1 Energy Measurement 1 Measurement mode Li L1 L2 L3 Import energy and export energy are metered separately Energy data is registered in the export energy register when gt Li is positive and in the import energy register when gt Li is negative 2 Class index Class 1 3 The measurement contents are as below Total positive active energy Total negative active energy Three Phase Meter User Manual Australia 1 Metering Principles The metering system is based on A D current and voltage conversion and their digital multiplication Current is captured via the CT in the current path of the metering system and voltage via the resistor divider in the voltage path of the metering system Metering signals in analogue form are fed to the metering electronics which provides for the digital conversion and multiplication 2 Meter Functional Block Diagram Power Supply E2 memory Y IR or Optical C Current I M4 or Optical Comm Sampling 71M6545 RR LED measure Voltage LCD ulla I C Button Pulse Output Optimized PCBA design combined with high precision reliable components so that ensure2. e o d T m sen M s Meter Dimension 12 Three Phase Meter User Manual Australia 5 3 Mounting holes and dimensions Installation Dimension 5 4 Terminal box dimensions 13 Three Phase Meter User Manual Australia 5 5 Connection diagram The connection type conforms to BS standard NOAMOEM OFM m Ll ee pp N Pulse Pulse Com Imp Exp 6 Transportation Storage The meter shall be kept in the same packing for transportation and storage The meter should be stored indoors in a non caustic environment and should be protected from dust salt and water There shall be no sharp change in ambient temperature and the relative humidity shall be less than 85
3. USER MANUAL DTS541 Three Phase Energy Meter CT type www formway com au Three Phase Meter User Manual Australia Contents 1 gt ee Oe eg Pm 3 2 Reference SIandards tenete ote pa a E RE dE 3 3 So o eo a o o Um 4 4 LEE O a A S 5 A O e a nies eso Te ied Sea Ate 5 AS eto S 8 E n Rr 10 5 A A v cnc er nee 11 sw Fe gs E ta 12 5 2 Front view side view and dimensions oooooooocnccccccnnoooonnnnnnnncconanannanonononos 12 5 3 Mounting holes and dimensions cccccccnnnnnnnanananananananonononocnnococononananananos 13 SA CRM a box imehsloriss seme estie ud Een cibo eme ecce 13 oom Oe TAM 14 6 Transportation Storage said 14 Three Phase Meter User Manual Australia 1 Introduction This manual is for the DTS541 CT connected three phase energy meter It should be used to guide the meter installation usage maintenance and for technical reference 2 Reference standards Standard Description AS62053 21 2005 Static Meters for Active Energy Class 1 amp 2 AS 1284 1 2004 Electricity metering General purpose induction watthour meters AS 1284 10 2 2006 Electricity metering AS 1284 11 1995 Electricity metering Single phase multifunction watthour meters AS 1284 12 1995 Electricity metering AS 62052 11 2005 Electricity metering equipment Electricity metering equipment AC General IEC62052 11 requirements tests and test conditions Part 11 Metering equipment Electricity mete
4. meter can keep high accuracy even under extreme temperature conditions 40 C 85 C The meter can work with high accuracy within life time Three Phase Meter User Manual Australia 3 Metering Element Design LOAD guna sees ln Li 7n r Li p fun fun POWER SUPPLY TERIDIAN TIM6545 Resistor Dividers RTC BATTERY SERIAL PORT EN 32 KHz ma RX TX e 24 nase pu MEMORY i I or uWire XE AE Ww SPI CKI F Li OPLOO O E PIDO NIV SPILLEDE T M COMPUTE U ENGINE x XFER BUSY ENE A A A O 5A a a PULSES 3VDS The 71M6545 Metrology Processor is based on Teridian s 4th generation metering architecture supporting the 71M6xxx series of isolated current sensing products offering drastic reduction in component count immunity to magnetic tampering and unparalleled reliability The 71M6545 integrates Teridian s patented Sin gle Converter Technology amp with a 22 bit delta sigma ADC a customizable 32 bit computation engine CE for core metrology functions as well as a user programmable 8051 compatible application processor MPU core with 32K flash and 3K RAM An external host processor may access metrology functions directly through the SPI interface or alternatively via the embedded MPU core in applications requiring metrology data capture storage and pre processing within the me
5. pressing display if there is no pressing for 2 min the meter will exit the mode and switch to automatic display 4 2 2 3 Display interval 1 Display interval is configurable 1 99s of each item 2 Power off display mode the LCD will start automatical display and shut off in 2 min The meter can be awakened by pressing the button for 3 s 4 2 2 4 Display contents Button amp automatic display are independent display contents are configurable The default display item is real time total energy when error occurs in configuration Display items Description Cumulative positive active 1 88888888kWh energy Cumulative negative active 2 88888888 kWh energy Real time voltage of phase A A 888 8 V Real time current of phase A A 888 888 A Real time power of phase A A 888 888kW Three Phase Meter User Manual Australia Real time voltage of phase B B 888 8V Real time current of phase B B 888 888 A Real time power of phase B B 888 888kW Real time voltage of phase C Real time current of phase C Real time power of phase C 4 2 3 Communication 4 2 3 1 Optical communication Optical port conforms to IEC62056 21 standard The communication protocol is IEC62056 21 C mode 4 2 3 2 Data that can be read from the meter Data Data Format Unit Note XXXXXXXX Active positive ener kWh Read onl Number of decimals can be set XXXXXXXX Active negative energy kWh Read only Number of decimals can be set Votageofpa
6. ring equipment AC Particular IEC62053 21 requirements Part 21 Static meters for active energy classes 1 and 2 Electricity metering Data exchange for meter IEC62056 21 reading tariff and load control Part 21 Direct local data exchange Electricity metering Data exchange for meter IEC62056 61 reading tariff and load control Part 61 Object identification system OBIS Three Phase Meter User Manual Australia 3 Specification Item Sub item Parameter Meter Type Three Phase Four Wire CT Type Active Accuracy Class 1 IEC 62053 21 3x 230 400 V Voltage Range 0 5Un 1 2Un Rated voltage Un Current circuit power consumptionS0 2VA Power consumption Voltage circuit power consumption S0 4W 0 8VA Operating 25 C 65 C temperature range Storage temperature 40 C 85 C Type Testing IEC Standard IEC 62053 21 IEC 62052 11 impulse voltage strength 12 kV Over voltage strength 440VAC 48 hours Local Comm Port1 1 Optical port Communication Local Comm Protocol1 IEC62056 21 C mode Voltage of phase A Voltage of phase B Voltage of phase C Current of phase A Measurement Current of phase B Instantaneous Current of phase C Total active power Active power of phase A Active power of phase B Active power of phase C Special Testing Three Phase Meter User Manual Australia One double color LED The LED flashes in red when gt Li is positive and in green when gt Li is negative
7. seA RA Ready Voltage of phase BR Ready Voltage of phase CRA Readony Current of phase A RRA Ready ICuretofpaseB XXXXX a Readony ICuretofpaseG oox a Readony 10 Three Phase Meter User Manual Australia 4 2 3 3 Data that can be configured to the meter Data Data Format Note NNNNNNNN Read Write NNNNNNNN Read only No of integers and decimals 5 Installation The meter has been inspected and sealed before leaving factory Before installation please check whether the sealing is complete If so user may install the meter If there is no sealing or the meter has been stored for a long time please submit the meter to utility for re inspection The meter can be installed at site after qualified by utility The meter shall be installed indoor under well ventilated and dry place The installation environment should be non caustic and the meter should be protected from dust salt and water There are two holes in the meter installation base and use two screws to fix the meter The two screws dimension is M6 Three Phase Meter User Manual Australia 5 1 Nameplate 4 Button 1 LCD FORMWAY GROUP METERING Type DTS541 3 10000imp kWh acm 3 n ce 3xX230 40D0WV T 5 A JL 0 1Wh B 50Hz Cl 1 30 ms Made in China IEC amp 2053 21 Tz Holley Metering Ltd 2 Pulse LED Display Legend a F aco 3 Comm port 113 eL II ILI aly
8. trology subsystem In addition the 71M6545 integrates RTC DIO and a UART 4 1 2 Three Phase Meter User Manual Australia Instantaneous quantities The instantaneous quantities are below 1 Voltage Phase A B C 2 Current Phase A B C 3 Total Active Power 4 Active Power Phase A B C 4 2 2 Display 4 2 2 1 LCD display 1 TheLCD full screen display is as below DOO 000 0 eee NA ICI IC D KW h ALT LI 125130 Y Y Y Y V 2 LCD Symbol LCD Symbol Description E D DC a a Display for data such as energy time date etc OOO 0000 H Sequence no of the data displayed in the main displaying part KWArh Unit of the data displayed in the main displaying part Daylight saving status not used in this meter XT Battery low alarm gt Communication symbol On Meter is communicating Off No communication Alternate Manual Scroll Mode Voltage and current status of each phase L1 L2 L3 on means meter working on the normal Three Phase Meter User Manual Australia voltage range 1116 L2K gt 131 L1 L2 L3 Flashes means Li phase voltage is under 0 8 Un or above 1 15 Un L1 L2 L3 off means Li phase voltage is less than 120V which be regarded as phase loss W WV W W Status indicator not used in this meter 4 2 2 2 Display mode 1 Manual scroll display Automatic scroll display and power off display 3 Display mode can be changed by pressing the button for 3 s In the mode of button
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