SDM630 Three Phase Multi Function Smart Meters

Specifications Big LCD display with Blue Backlight

Wide temperature range

Wide angle display

Mini,Easy installation

high performance

Brief Introduction SDM630M is an accurate and cost effective solution for measurement and display all major electrical and power quality parameters. Its easy programming, mounting and user friendly naviagation make it an ideal choice for customer who require reliable energy measurement. SDM630M is bulit high quality standard utlising the latest microprocessor and manufacuring technology. The product features a DIN-rail enclosure, backlit LCD display and user programmable CT ratios. All access via an intuitive user interface.   Unit Characteristics The SDM630 can measure and display: Line voltage and THD% (total harmonic distortion) of all phases Line Frequency Currents, Current demands and current THD% of all phases Power, maximum power demand and power factor Active energy imported and exported Reactive energy imported and exported   The unit has password-protected set-up screens for: Changing password Supply system selection 1phase2wire, 3phase 4wires CT primary current (1 to 9999A) PT (1 to 500000V) Demand Interval time Reset for demand measurements Pulse output duration   A pulse output indicates real-time energy measurement. An RS485 output allows remote monitoring from another display or a computer.     Current Transformer Primary Current The unit can be configured to operate with CT primary current of between 1 and 9999A. Maximum CT primary current corresponds to a maximum input current to the unit of 5A.    RS485 Serial – Modbus RTU This uses an RS485 serial port with Modbus RTU protocol to provide a means of remotely monitoring and controlling the SDM630.Set-up screens are provided for setting up the RS485 port.   Pulse output This provides 2 pulse outputs that clocks up measured active and reactive energy. The constant for reactive energy is 3200imp/kVarh. The pulse width for active energy can be set from the Set-up menu.     Measured Parameters The unit can monitor and display the following parameters of a single phase, 3-phase 3-wire or 3-phase 4-wire supply.   Voltage and Current Phase to neutral voltages 100 to 289V a.c. (not for 3p3w supplies) Voltages between phases 173 to 500V a.c. (3p supplies only) Percentage total voltage harmonic distortion (THD%) for each phase to N ( not for 3p3w supplies) Percentage voltage THD% between phases (three phase supplies only) Current on each phase – 1 to 9999A range, set by external current transformer(s) (CTs) Current THD% for each phase   Power factor and Frequency and Max. Demand Frequency in Hz Instantaneous power: Power 0 to 3600 MW Reactive Power 0 to 3600 MVAr Volt-amps 0 to 3600 MVA Maximum demanded power since last Demand reset Power factor Maximum neutral demand current, since the last Demand reset (three phase supplies only)   Energy Measurements Imported active energy 0 to 9999999.9 kWh Exported active energy 0 to 9999999.9 kWh Imported reactive energy 0 to 9999999.9 kVArh Exported reactive energy 0 to 9999999.9 kVArh Total active energy 0 to 9999999.9 kWh Total reactive energy 0 to 9999999.9 kVArh   Measured Inputs Voltage inputs through 4-way fixed connector with 2·5mm2 stranded wire capacity. 3-Phase 3- and 4-wire and Single-phase 2-wire unbalanced. Line frequency measured from L1 voltage or L3 voltage. Three current inputs (six physical terminals) with 2·5mm2 stranded wire capacity for connection of external CTs. Nominal rated input current 5A or 1A a.c. Rms.   Accuracy Voltage                                        0·5% of range maximum Current                                        0·5% of nominal Frequency                                   0·2% of mid-frequency Power factor                              1% of unity (0.01) Active power (W)                       ±1% of range maximum Reactive power (VAr)               ±2% of range maximum Apparent power (VA)               ±1% of range maximum Active energy (Wh)                   Class 1 IEC 62053-21 Reactive energy (VARh)           ±2% of range maximum Total harmonic distortion        1% up to 31st harmonic Temperature co-efficient         Voltage and current = 0.013%/°C typical                                                           Active energy = 0·018%/°C, typical Response time to step input    1s, typical, to >99% of final reading, at 50 Hz.   Auxiliary Supply Two-way fixed connector with 2·5mm2 stranded wire capacity. 85 to 275V a.c. 50/60Hz ±10% or 120V to 380V d.c. ±20%. Consumption < 10W.   Interfaces for External Monitoring Three interfaces are provided: lan RS-485 communication channel that can be programmed for Modbus RTU protocol lan relay output indicating real-time measured energy.(configurable) lan pulse output 3200imp/kWh (not configurable) The Modbus configuration (Baud rate etc.) and the pulse relay output assignments (kW/kVArh, import/export etc.) are configured through the Set-up screens.   Pulse Relay Output The pulse relay output can be set to generate pulses to represent kWh or kVArh. Rate can be set to generate 1 pulse per: 0.01 = 10 Wh/VArh 0.1 = 100 Wh/VArh 1 = 1 kWh/kVArh 10 = 10 kWh/kVArh 100 = 100 kWh/kVArh   Pulse width 200/100/60 ms. Relay Rating 240V ac 50mA               Din rail energy meter/Din rail meter/Double tariff energy meter/Energy meter/Electricity meter/Electricity meters/Electric sub meter/Electric meters/Energy meters/Energy measuring instrument/kWh meter/Kilowatt hour meter/Multi Function energy meter/Multi tariff energy meter/Power meter/ Power monitor/Power usage meter/Panel analog ammeter/Power meter socket/Prepaid electricity meter/Prepaid electricity meters/Prepaid meters/Prepaid meter/Smart meter/Smart meters/Single phase energy meter/Single phase energy (kWh) meter/Single phase two wire energy (kWh) meter/Smart energy meter/Smart energy meters/Single phase watt hour meter/Solar energy meter/Three phase four wires energy (kWh) meter/Three phase energy (kWh) meter/Three phase energy meter Watt meter/Two in one meter/Three phase power meter/2 tariff energy meter/3 phase energy meter/3 phase 4 wire energy meter/3 phase 3 wire energy meter/3 phase meter/Ammeter din rail/Bi-directional energy meter/Digital ammeter/Energy cost meter/Relay modbus/RS485 power meter/RF power meter/Power meter RS485/M-bus meter/Plug energy monitor/Reactive power meter/Digital wattmeter/Electric kilowatt hour meter/M-bus energy meter/Clamp-on current transformer/Digital ammeter/Digital meter/Energy meter mini/Power meter wireless/Meter/Modbus/Remote for electric meter/RS485 GPRS/Single phase power factor meter/Mechanical counter meter/Digital panel meter/AMR system/Black-and-white monitor/Energy monitor/Prepayment meter/Prepay electric meter/Prepaid meter/Panel mount ammeter/Multifunctional meter/Panel analog ammeter/Communication analyzers/Multifunction meter/Multifunction power meter/Display modbus/bi-directional energy meterus/kWh meter digitalModbus display/3 phase 4 wire kWh meter din rail/Analyzers meter/Prepaid kWh meter/Smart Energy meter/Anti theft energy meter/Digital energy meter/Multi energy meter/Smart card energy meter/Din rail meter/Energy meter wireless/1 phase 3 wire energy meter/1 phase meter/Modbus energy meter/M-bus energy meter/M-bus kWh meter/Modbus kWh meter/Energy monitor/Electricity monitor/Energy meters/Din rail/Energy metering/Energy smart meter/Energy usage meter/Energy saving meter/Home energy meter/Din rail meters/Energy consumption meter/Home energy meter/Three phase meter