Description
SDM530CT – Modbus/Mbus/MT
THREE PHASE FOUR WIRE MULTI-FUNCTION ENERGY METER
The model SDM530CT-MT is a CT type three phase multi-function energy meter with multi-tariff function. The unit measures and displays characteristic of three phase four wire supply, including voltage, current, frequency, power, active and reactive energy, imported and exported.
SDM530CT-MT can be configured to work with a wide range of CTs, giving the unit a wide range of operation. Built-in interfaces provides pulse and RS485 Modbus. Configuration is password protected. The Multi-tariffs funnction allows the meter to set RTC and time segments to measure kWh in different time zone.
| Electrical Characteristics | ||
| Type of Measurement | RMS on three phase AC system (3P4W) | |
| Measurement Accuracy | Power | 1% of range maximum |
| Active Energy | IEC 62053-21 Class 1.0 | |
| Reactive Energy | IEC62053-23 Class 2 | |
| Frequency | 0.2% of mid-frequency | |
| Current | 0.5% of range maximum | |
| Voltage | 0.5% of range maximum | |
| Power Factor | 1% of unity (0.01) | |
| Input & Output | |||
| Input-Current | CT Type | CT Primary | 1-9999A |
| CT Secondary | 1A/5A | ||
| Min Current | 0.25A | ||
| Starting Current | 10mA | ||
| Communication | 2 Pulse Outputs + RS485 Modbus | ||
| Modbus Communications | |
| Interface Standard and Protocol | RS485 and MODBUS RTU |
| Communication Address | 1~247 |
| Transmission Distance | 1000m Maximum |
| Transmission Speed | 1200bps~9600bps |
| Parity | None (default), Odd, Even |
| Stop Bits | 1 or 2 |
| Mechanical Characteristics | |
| Weight | 650g |
| IP Degree of Protection (IEC 60529) | IP51 in door |
| Dimensions (WxHxD) | 100x125x65 mm |
| Mounting Position | Vertical |
| Material of meter case | Self-extinguishing UL 94 V-0 |
| Mechanical environment | M1 |
| Environmental Characteristics | |
| Operating Temperature | -25 to 55°C |
| Storage Temperature | -40 to 70°C |
| Humidity Rating | <95% RH at 50 °C (non-condensing) |
| Pollution Degree | 2 |
| Altitude | 2000m |
Wiring and Dimension [mm:]
Wiring diagram
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