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product_code: SPM-D01-R / SPM-D01-M
applications_tab: <p><strong>Machine-level Energy and Operating-condition Analysis</strong></p> <p>Installed on the power feed of an individual motor, pump, compressor or production machine, the single-circuit power meter continuously measures its voltage, current, power, power factor, energy consumption and power-quality conditions. When paired with a PLANET <strong>IMG-3X00T Series Modbus Gateway</strong>, the meter data can be converted from Modbus RTU to Modbus TCP or published to an MQTT platform for equipment-level visualization and analysis. Changes in current demand, power factor or energy-use patterns can help operators identify abnormal loading, inefficient operation and possible maintenance requirements before they affect production.</p> <p><strong>HaLow-enabled Equipment and Cabinet Monitoring</strong></p> <p>The single-circuit power meter can be connected to the PLANET <strong>HLB-1150 IIoT Remote I/O Controller</strong> through RS-485 Modbus RTU to monitor the energy consumption and operating condition of an individual machine or electrical feeder. The HLB-1150 can simultaneously collect cabinet-door, smoke, water-leakage, cooling-system and equipment-alarm signals through its digital inputs, while its digital outputs can activate warning devices or external relays. With long-range <strong>Wi-Fi HaLow connectivity</strong>, power data and equipment status can be transmitted from hard-to-wire machine areas or remote electrical cabinets to a centralized monitoring platform. This integrated solution is suitable for production equipment, utility rooms, outdoor cabinets and other locations requiring combined <strong>energy monitoring</strong>, <strong>alarm detection and basic remote control</strong>.</p>
key_features_tab: <p><strong>Highlights</strong></p> <ul> <li>SPM-D01-M and SPM-D01-R single-circuit power meter models</li> <li>Dedicated monitoring for single-phase and three-phase electrical systems</li> <li>Conventional 333mV-output CT support on the SPM-D01-M</li> <li>Flexible Rogowski coil support on the SPM-D01-R</li> <li>True RMS measurement with 128-point-per-cycle sampling</li> <li>0.2% voltage and current measurement accuracy</li> <li>RS-485 Modbus RTU communication</li> <li>Built-in 2MB Flash memory for data logging</li> <li>Auto Wiring Change and abnormal-event recording</li> </ul> <p><strong>Single-circuit Measurement</strong></p> <ul> <li>Dedicated monitoring of one single-phase or three-phase electrical circuit</li> <li>Suitable for distribution feeders, motor control panels and individual equipment</li> <li>Supports balanced and unbalanced load measurement</li> <li>Compatible with external potential transformers</li> <li>Configurable PT and CT ratios for different electrical systems</li> <li>Suitable for general-current and high-current monitoring applications</li> </ul> <p><strong>Electrical Measurement</strong></p> <ul> <li>Phase voltage and average phase voltage</li> <li>Line voltage and average line voltage</li> <li>Phase current, average current and neutral current</li> <li>Frequency</li> <li>Active power</li> <li>Reactive power</li> <li>Apparent power</li> <li>Power factor</li> <li>Phase angle</li> <li>Active energy</li> <li>Reactive energy</li> <li>Apparent energy</li> <li>Current and power demand</li> <li>Maximum and minimum value recording</li> </ul> <p><strong>Power-quality Analysis</strong></p> <ul> <li>Voltage total harmonic distortion</li> <li>Current total harmonic distortion</li> <li>Three-phase voltage unbalance</li> <li>Three-phase current unbalance</li> <li>Phase-voltage angle measurement</li> <li>Line-voltage angle measurement</li> <li>Current phase-angle measurement</li> <li>True RMS measurement</li> <li>Sampling rate of 128 points per cycle</li> <li>Voltage and current measurement accuracy of 0.2%</li> </ul> <p><strong>Flexible Wiring Systems</strong></p> <ul> <li>Supports 1P2W single-phase two-wire systems</li> <li>Supports 1P3W single-phase three-wire systems</li> <li>Supports 3P3W three-phase three-wire systems</li> <li>Supports 3P4W three-phase four-wire systems</li> <li>Supports one, two or three current sensors, depending on the selected power system</li> <li>Supports measurement with or without external potential transformers</li> <li>Software-assisted Auto Wiring Change for supported wiring configurations</li> <li>Front-panel wiring information for installation verification</li> </ul> <p><strong>Communication</strong></p> <ul> <li>One RS-485 communication interface</li> <li>Modbus RTU protocol</li> <li>Device address range from 1 to 247</li> <li>Communication speeds from 2400bps to 115200bps</li> <li>Configurable parity, data bits and stop bits</li> <li>Response time of less than 50ms</li> <li>Maximum RS-485 transmission distance of 1200 meters</li> <li>Supports integration with EMS, BMS, SCADA and industrial control systems</li> </ul> <p><strong>Data Logging and Event Recording</strong></p> <ul> <li>Built-in 2MB Flash memory</li> <li>Configurable data logging intervals</li> <li>Records selected measurement parameters</li> <li>Date and time recorded with measurement data</li> <li>Cyclic recording when storage capacity is reached</li> <li>Approximately 40,300 records or 28 days based on the specified recording conditions</li> <li>Stores up to 16 abnormal-event records</li> <li>Event records include source, status, measured value, date and time</li> </ul> <p><strong>Energy and CO2 Management</strong></p> <ul> <li>Import, export, total and net active energy</li> <li>Import, export, total and net reactive energy</li> <li>Total apparent energy</li> <li>Accumulated electricity cost display</li> <li>Estimated CO2 emission calculation</li> <li>Configurable energy display units and CO2 conversion ratio</li> </ul> <p><strong>Pulse Output</strong></p> <ul> <li>One open-collector pulse output</li> <li>Maximum output rating of 30V DC and 30mA</li> <li>Assignable to imported or exported active energy</li> <li>Assignable to imported or exported reactive energy</li> <li>Configurable pulse divider</li> <li>Configurable pulse width</li> <li>Test pulse output for meter verification</li> </ul> <p><strong>Display and Operation</strong></p> <ul> <li>128 × 64 dot-matrix LCD</li> <li>White LCD backlight</li> <li>Four front-panel operating buttons</li> <li>Quick access to voltage, current, demand, THD, power and energy information</li> <li>Configurable default monitoring screen</li> <li>Front-panel communication and pulse output indicators</li> <li>Password protection against unauthorized configuration changes</li> <li>Built-in date and time display</li> <li>Operating-hour and running-hour counters</li> </ul> <p><strong>Installation and Environment</strong></p> <ul> <li>Compact DIN-rail design</li> <li>Dimensions of 72 × 58.7 × 87.5mm</li> <li>Flame-retardant black ABS enclosure</li> <li>PA66 terminal block compliant with UL 94V-0</li> <li>IP20-rated enclosure</li> <li>Operating temperature range of 0 to 60°C</li> <li>Storage temperature range of −10 to 70°C</li> <li>Relative humidity range of 5% to 95%, non-condensing</li> <li>Maximum operating altitude of 2000 meters</li> <li>AC 85–264V or DC 100–300V power input</li> <li>MTBF of more than 60,000 hours</li> <li>CE and FCC compliance</li> </ul>
specifications_tab: <div class="table-responsive"><table class="table table-sm table-bordered"><thead><tr><th colspan="2">Hardware Specifications</th></tr></thead><tbody><tr><td>Standard</td><td>IEC 62052-21, IEC 62053-22, CE, FCC</td></tr><tr><td>Measurement Type</td><td>Single-circuit three-phase or single-phase power meter with pre-installed current sensor or Rogowski coil</td></tr><tr><td>Display</td><td>128 × 64 dot-matrix LCD with white backlight</td></tr><tr><td>Wiring Systems</td><td>1P2W, 1P3W, 3P3W, 3P4W (balanced or unbalanced load)</td></tr><tr><td>Voltage</td><td>Phase: 57.7V AC / Line: 100V AC (via PT for higher voltages)</td></tr><tr><td>Current Input</td><td>mV output CT (0–333mV) or Rogowski coil (333mV @ 400A, 1Hz–100kHz bandwidth)</td></tr><tr><td>Current Measurement Range</td><td>0.05A–10A (mV CT) / 5%–120% of rated current (Rogowski)</td></tr><tr><td>Accuracy</td><td>Voltage/current 0.2%; active/reactive/apparent energy 0.5%</td></tr><tr><td>Sampling Rate</td><td>128 points per cycle</td></tr><tr><td>THD</td><td>Voltage and current THD (2nd–31st harmonic)</td></tr><tr><td>Communication</td><td>RS-485, Modbus RTU, up to 115200bps, up to 1200m</td></tr><tr><td>Pulse Output</td><td>Open-collector, 30V DC / 30mA max, configurable divider and width</td></tr><tr><td>Data Logging</td><td>2MB Flash, approx. 40,300 records / 28 days; up to 16 abnormal-event records</td></tr><tr><td>Power Supply</td><td>AC 85–264V, 50/60Hz or DC 100–300V</td></tr><tr><td>Enclosure</td><td>72 × 58.7 × 87.5mm DIN-rail, IP20, flame-retardant ABS (UL94V-0 terminals)</td></tr><tr><td>Operating Temperature</td><td>0°C to +60°C</td></tr><tr><td>MTBF</td><td>More than 60,000 hours</td></tr></tbody></table></div>
accessories_table: <div class="table-responsive"><table class="common_table"><thead><tr><th colspan="3">Ordering Information</th></tr><tr><th>Photo</th><th>Model</th><th>Description</th></tr></thead><tbody><tr><td class="text-center align-middle"><a href="https://www.planet.com.tw/en/product/spm-d01"><img src="https://www.planet.com.tw/storage/products/49962/box_SPM-D01-R_SPM-D01-M.jpg" width="100"></a></td><td class="align-middle">SPM-D01-R / SPM-D01-M</td><td class="align-middle">DIN-rail Single-circuit Modbus Smart Power Meter</td></tr><tr><td class="text-center align-middle"><a href="https://www.planet.com.tw/en/product/ct-60a-16_ct-600a-35"><img src="https://www.planet.com.tw/storage/products/49964/box_CT-60A-16,CT-100A16,CT-200A-24,CT-400A-35,CT-600A-35,all.jpg" width="100"></a></td><td class="align-middle">CT-60A-16/CT-100A-16/CT-200A-24/CT-400A-35/CT-600A-35</td><td class="align-middle">Split-Core Current Transformer with 333mV Output</td></tr><tr><td class="text-center align-middle"><a href="https://www.planet.com.tw/en/product/rc-300a-395-rc-3000a-525"><img src="https://www.planet.com.tw/storage/products/49965/box_RC-300A-395,RC-500A-395,RC-800A-525,RC-1000A-525,RC-1500A-525,RC-2000A-525,RC-3000A-525,all4.jpg" width="100"></a></td><td class="align-middle">RC-300A-395/RC-500A-395/RC-800A-525/RC-1000A-525/RC-1500A-525/RC-2000A-525/RC-3000A-525</td><td class="align-middle">Rogowski Coil Current Sensor with 333mV Output</td></tr></tbody></table></div>

SPM-D01-R / SPM-D01-M — DIN-rail Single-circuit Modbus Smart Power Meter

Name: SPM-D01-R / SPM-D01-M - SPM-D01-R / SPM-D01-M — DIN-rail Single-circuit Modbus Smart Power Meter | PLANET KSA
SKU: SPM-D01-R / SPM-D01-M

» SPM-D01-R / SPM-D01-M

Driving ESG Goals through Smarter Energy Management

Achieving ESG targets requires more than reducing energy use—it starts with clear and measurable power data. PLANET Smart Power Meter series helps organizations track energy consumption, improve operational efficiency and support sustainability reporting across commercial, industrial and public infrastructure environments. With greater visibility into power usage, businesses can make more informed decisions and turn ESG commitments into measurable energy management actions.

Dedicated Power Monitoring for Critical Electrical Loads

As energy efficiency and sustainability become increasingly important, accurate circuit-level electrical data is essential for understanding the operating conditions of individual loads. PLANET introduces the SPM-D01 Series DIN-rail smart power meters for dedicated monitoring of distribution feeders, motor control panels, industrial machinery and other critical electrical loads. By providing detailed electrical and energy information for a single circuit, the series helps users identify abnormal conditions, evaluate equipment performance and improve energy-management decisions.

Two Current Sensor Options for Different Applications

The SPM-D01 Series consists of two models designed for different current-sensing requirements. The SPM-D01-M supports conventional current transformers with a 333mV output for general electrical panels and low-to-medium-current circuits. The SPM-D01-R supports Rogowski coils, whose flexible structure makes them suitable for large conductors, busbars and high-current applications. These two sensing options allow users to select the appropriate installation method without changing the core power-monitoring functions.

Flexible Wiring for Various Power Systems

The SPM-D01 Series supports 1P2W, 1P3W, 3P3W and 3P4W systems with balanced or unbalanced loads. Depending on the selected power system, the meter can operate with one, two or three current sensors and with or without external potential transformers. This wiring flexibility enables the same meter platform to be deployed across different single-phase and three-phase electrical environments.

Software-assisted Auto Wiring Change

The built-in Auto Wiring Change function can identify and correct certain voltage and current wiring relationships through software when the required operating conditions are met. This helps reduce the time needed to correct supported wiring errors during installation and commissioning. Wiring information can also be viewed from the front panel to help operators verify the measurement configuration.

High-accuracy True RMS Measurement

With True RMS measurement and a sampling rate of 128 points per cycle, the SPM-D01 Series provides reliable measurement for different electrical load characteristics. It delivers 0.2% voltage and current accuracy and 0.5% active, reactive and apparent energy accuracy, making it suitable for equipment energy monitoring, operating-condition analysis and electricity cost allocation.

Detailed Electrical and Power-quality Information

The SPM-D01 Series measures phase and line voltage, current, neutral current, frequency, active power, reactive power, apparent power, power factor, phase angle, and active, reactive and apparent energy. It also provides voltage and current total harmonic distortion, three-phase voltage and current unbalance, demand calculation, and maximum and minimum value recording. These measurements allow users to examine the electrical behavior of a selected load in greater detail.

Historical Data and Abnormal Event Tracking

The built-in 2MB Flash memory records selected measurement parameters at configurable intervals for historical analysis. The meter can also store up to 16 abnormal-event records, including the event source, operating status, measured value, date and time. These records help users review load changes and investigate abnormal electrical conditions without relying only on real-time readings.

Energy Cost and CO2 Emission Visibility

In addition to electrical measurements, the SPM-D01 Series can display accumulated electricity cost and estimated CO2 emissions based on configurable conversion values. This information allows energy consumption to be presented in operational, financial and environmental terms, supporting equipment-level efficiency evaluation and sustainability reporting.

RS-485 Communication and Energy Pulse Output

Both models are equipped with an RS-485 interface supporting Modbus RTU for integration with EMS, BMS, SCADA and industrial control systems. Communication rates of up to 115200bps and transmission distances of up to 1200 meters enable flexible field deployment. An open-collector pulse output can be assigned to imported or exported active and reactive energy for connection to external counters or monitoring equipment.

Space-saving DIN-rail Installation

With a compact 72 × 58.7 × 87.5mm enclosure, the SPM-D01 Series can be installed in distribution panels where available space is limited. The 128 × 64 dot-matrix LCD, four operating buttons and front-panel indicators provide convenient on-site measurement viewing, wiring verification and parameter configuration.

Machine-level Energy and Operating-condition Analysis

Installed on the power feed of an individual motor, pump, compressor or production machine, the single-circuit power meter continuously measures its voltage, current, power, power factor, energy consumption and power-quality conditions. When paired with a PLANET IMG-3X00T Series Modbus Gateway, the meter data can be converted from Modbus RTU to Modbus TCP or published to an MQTT platform for equipment-level visualization and analysis. Changes in current demand, power factor or energy-use patterns can help operators identify abnormal loading, inefficient operation and possible maintenance requirements before they affect production.

HaLow-enabled Equipment and Cabinet Monitoring

The single-circuit power meter can be connected to the PLANET HLB-1150 IIoT Remote I/O Controller through RS-485 Modbus RTU to monitor the energy consumption and operating condition of an individual machine or electrical feeder. The HLB-1150 can simultaneously collect cabinet-door, smoke, water-leakage, cooling-system and equipment-alarm signals through its digital inputs, while its digital outputs can activate warning devices or external relays. With long-range Wi-Fi HaLow connectivity, power data and equipment status can be transmitted from hard-to-wire machine areas or remote electrical cabinets to a centralized monitoring platform. This integrated solution is suitable for production equipment, utility rooms, outdoor cabinets and other locations requiring combined energy monitoring, alarm detection and basic remote control.

Highlights

SPM-D01-M and SPM-D01-R single-circuit power meter models
Dedicated monitoring for single-phase and three-phase electrical systems
Conventional 333mV-output CT support on the SPM-D01-M
Flexible Rogowski coil support on the SPM-D01-R
True RMS measurement with 128-point-per-cycle sampling
0.2% voltage and current measurement accuracy
RS-485 Modbus RTU communication
Built-in 2MB Flash memory for data logging
Auto Wiring Change and abnormal-event recording

Single-circuit Measurement

Dedicated monitoring of one single-phase or three-phase electrical circuit
Suitable for distribution feeders, motor control panels and individual equipment
Supports balanced and unbalanced load measurement
Compatible with external potential transformers
Configurable PT and CT ratios for different electrical systems
Suitable for general-current and high-current monitoring applications

Electrical Measurement

Phase voltage and average phase voltage
Line voltage and average line voltage
Phase current, average current and neutral current
Frequency
Active power
Reactive power
Apparent power
Power factor
Phase angle
Active energy
Reactive energy
Apparent energy
Current and power demand
Maximum and minimum value recording

Power-quality Analysis

Voltage total harmonic distortion
Current total harmonic distortion
Three-phase voltage unbalance
Three-phase current unbalance
Phase-voltage angle measurement
Line-voltage angle measurement
Current phase-angle measurement
True RMS measurement
Sampling rate of 128 points per cycle
Voltage and current measurement accuracy of 0.2%

Flexible Wiring Systems

Supports 1P2W single-phase two-wire systems
Supports 1P3W single-phase three-wire systems
Supports 3P3W three-phase three-wire systems
Supports 3P4W three-phase four-wire systems
Supports one, two or three current sensors, depending on the selected power system
Supports measurement with or without external potential transformers
Software-assisted Auto Wiring Change for supported wiring configurations
Front-panel wiring information for installation verification

Communication

One RS-485 communication interface
Modbus RTU protocol
Device address range from 1 to 247
Communication speeds from 2400bps to 115200bps
Configurable parity, data bits and stop bits
Response time of less than 50ms
Maximum RS-485 transmission distance of 1200 meters
Supports integration with EMS, BMS, SCADA and industrial control systems

Data Logging and Event Recording

Built-in 2MB Flash memory
Configurable data logging intervals
Records selected measurement parameters
Date and time recorded with measurement data
Cyclic recording when storage capacity is reached
Approximately 40,300 records or 28 days based on the specified recording conditions
Stores up to 16 abnormal-event records
Event records include source, status, measured value, date and time

Energy and CO2 Management

Import, export, total and net active energy
Import, export, total and net reactive energy
Total apparent energy
Accumulated electricity cost display
Estimated CO2 emission calculation
Configurable energy display units and CO2 conversion ratio

Pulse Output

One open-collector pulse output
Maximum output rating of 30V DC and 30mA
Assignable to imported or exported active energy
Assignable to imported or exported reactive energy
Configurable pulse divider
Configurable pulse width
Test pulse output for meter verification

Display and Operation

128 × 64 dot-matrix LCD
White LCD backlight
Four front-panel operating buttons
Quick access to voltage, current, demand, THD, power and energy information
Configurable default monitoring screen
Front-panel communication and pulse output indicators
Password protection against unauthorized configuration changes
Built-in date and time display
Operating-hour and running-hour counters

Installation and Environment

Compact DIN-rail design
Dimensions of 72 × 58.7 × 87.5mm
Flame-retardant black ABS enclosure
PA66 terminal block compliant with UL 94V-0
IP20-rated enclosure
Operating temperature range of 0 to 60°C
Storage temperature range of −10 to 70°C
Relative humidity range of 5% to 95%, non-condensing
Maximum operating altitude of 2000 meters
AC 85–264V or DC 100–300V power input
MTBF of more than 60,000 hours
CE and FCC compliance

Hardware Specifications
Standard	IEC 62052-21, IEC 62053-22, CE, FCC
Measurement Type	Single-circuit three-phase or single-phase power meter with pre-installed current sensor or Rogowski coil
Display	128 × 64 dot-matrix LCD with white backlight
Wiring Systems	1P2W, 1P3W, 3P3W, 3P4W (balanced or unbalanced load)
Voltage	Phase: 57.7V AC / Line: 100V AC (via PT for higher voltages)
Current Input	mV output CT (0–333mV) or Rogowski coil (333mV @ 400A, 1Hz–100kHz bandwidth)
Current Measurement Range	0.05A–10A (mV CT) / 5%–120% of rated current (Rogowski)
Accuracy	Voltage/current 0.2%; active/reactive/apparent energy 0.5%
Sampling Rate	128 points per cycle
THD	Voltage and current THD (2nd–31st harmonic)
Communication	RS-485, Modbus RTU, up to 115200bps, up to 1200m
Pulse Output	Open-collector, 30V DC / 30mA max, configurable divider and width
Data Logging	2MB Flash, approx. 40,300 records / 28 days; up to 16 abnormal-event records
Power Supply	AC 85–264V, 50/60Hz or DC 100–300V
Enclosure	72 × 58.7 × 87.5mm DIN-rail, IP20, flame-retardant ABS (UL94V-0 terminals)
Operating Temperature	0°C to +60°C
MTBF	More than 60,000 hours

Ordering Information

SPM-D01-R / SPM-D01-M