SDM630 Modbus MVT V2 MID 3-phase electricity meter

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SDM630 Modbus MCT V2 3-phase energy meter.

MID-approved, for use with current transformators (Coils) 50 A and up. We stock 50, 100 and 200 A coils.

Modular device for DIN rail 35mm, width: 4 modules, the display shows Volt, Amps, Power, Power factor and more. With pulse output suitable for logging, modbus RTU communication available suitable for our Logger 3030 datalogger.

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SDM630 MCT V2 Modbus MID 3-phase electricity meter

For use with current transformators (Coils) 50 A and up. We stock 50, 100 and 200 A coils.

With Modbus RTU, pulse output suitable for logging.

Modular device for DIN rail 35mm, width: 4 modules (72.3 mm), the display shows Volts, Watts, Apmeres, Frequecy, Power factor and more.

MANUAL SDM630 MODBUS MCT V2

Order 50A/1A coils

Order 100A/5A split core coils

Order 200A/5A Split Core Coils

Specifications

5.1 Measured Parameters

The unit can monitor and display three phase four wire (3p4w) supply.

5.1.1 Voltage and Current

Phase to neutral voltages 100 to 289V a.c.

Voltages between phases 173 to 500V a.c.

Percentage total voltage harmonic distortion (THD%) for each phase to N

Percentage voltage THD% between phases

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 MW

Volt-amps 0 to 3600 MVA

Maximum demanded power since last Demand reset Power factor

Maximum neutral demand current, since the last Demand reset (for 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 999999.99 kVArh

Total active energy 0 to 9999999.9 kWh

Total reactive energy 0 to 9999999.9 kVArh

Measured Inputs

Terminals for cables is  2.5 mm2

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) ±1% of range maximum

Apparent power (VA) ±1% of range maximum

Active energy (Wh) Class 1 IEC 62053-21

Reactive energy (VARh) ±1% 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.

Interfaces for External Monitoring

Three interfaces are provided:

an RS-485 communication channel that can be programmed for Modbus RTU protocol

an relay output indicating real-time measured energy.(configurable)

One fixed pulse output 3200 Imp/kWh

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

1000 = 1000 kWh/kWarh

Pulse width 200/100/60 ms.

Relay Rating 240V ac 50mA

RS485 Output for Modbus RTU

For Modbus RTU, the following RS485 communication parameters can be configured from the

Set-up menu:

Baud rate 2400, 4800, ,9600, ,19200, 38400

Parity none/odd/even

Stop bits 1 or 2

RS485 network address nnn – 3-digit number, 1 to 247

Modbus™ Word order Hi/Lo byte order is set automatically to normal or reverse. It cannot

be configured from the set-up menu.

Reference Conditions of Influence Quantities

Influence Quantities are variables that affect measurement errors to a minor degree. Accuracy is

verified under nominal value (within the specified tolerance) of these conditions.

Ambient temperature 23°C ±2°C

Input waveform 50 or 60Hz ±2%

Input waveform Sinusoidal (distortion factor < 0·005)

Auxiliary supply voltage Nominal ±1%

Auxiliary supply frequency Nominal ±1%

Auxiliary supply waveform (if AC) Sinusoidal (distortion factor < 0·05)

Magnetic field of external origin Terrestrial flux

 

Environment

Operating temperature -25°C to +55°C*

Storage temperature -40°C to +70°C*

Relative humidity 0 to 90%, non-condensing

Altitude Up to 2000m

Warm up time 1 minute

Vibration 10Hz to 50Hz, IEC 60068-2-6, 2g

Shock 30g in 3 planes

*Maximum operating and storage temperatures are in the context of typical daily and seasonal

variation.

Mechanics

35 mm DIN rail dimensions 72,3 x 100 mm (WxH) per DIN 43880

Mounting DIN rail (DIN 43880)

Sealing IP51

Material Self-extinguishing UL 94 V-0

Volt, Amps, Power, Power factor and more

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SDM630 Modbus MVT V2 MID 3-phase electricity meter

SDM630 Modbus MVT V2 MID 3-phase electricity meter

SDM630 Modbus MCT V2 3-phase energy meter.

MID-approved, for use with current transformators (Coils) 50 A and up. We stock 50, 100 and 200 A coils.

Modular device for DIN rail 35mm, width: 4 modules, the display shows Volt, Amps, Power, Power factor and more. With pulse output suitable for logging, modbus RTU communication available suitable for our Logger 3030 datalogger.

Write a review

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