SDM320E - Electric meter Eastron - Free user manual and instructions
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| Product Type | Three-phase multifunction energy meter |
| Brand | Eastron |
| Model | SDM320E |
| Dimensions | 126 x 86 x 74 mm |
| Weight | 0.3 kg |
| Power Supply | Self-powered via voltage inputs (AC 120-400V 50/60Hz) |
| Display | Backlit LCD with 7-digit energy counter |
| Measurement Functions | Voltage, current, active/reactive/apparent power, energy, power factor, frequency |
| Accuracy Class | Class 1 active energy, Class 2 reactive energy |
| Communication | RS485 Modbus RTU, data update rate 1s |
| Mounting | DIN rail (DIN 43880) |
| Frequency Range | 50/60 Hz |
| Internal Consumption | < 2W actual, < 10VA apparent |
| Operating Temperature | -25°C to +55°C |
| Relative Humidity | ≤ 75% non-condensing |
| Maintenance | No special routine maintenance required |
| Cleaning | Wipe with dry cloth; do not use solvents |
| Safety | Installation only by qualified personnel; observe isolation distances |
| Spare Parts | Available from Eastron authorized distributors |
| Reparability | No user-serviceable parts; contact technical support |
| Standards | CE marking compliant |
| General Information | Pulse output (LED) for verification and calibration |
Frequently Asked Questions - SDM320E Eastron
How do I install the SDM320E correctly?
Installation must be performed by qualified personnel. Mount the meter on a DIN rail, connect the phase wires to the designated terminals, and ensure the connections are tight. Keep a minimum distance from high-voltage lines to respect safety regulations.
Can the SDM320E measure three-phase and single-phase consumption?
The SDM320E is designed for three-phase systems (3P4W or 3P3W). For single-phase use, please select a single-phase meter such as the Eastron SDM230 series.
How do I read the energy consumption from the display?
The meter cycles through parameters on its LCD display. Press the button to switch pages and view values such as active energy, reactive energy, voltage, current, and power factor. The energy value is stored in non-volatile memory.
What are the Modbus communication settings?
Default settings are 9600 baud, 8 data bits, no parity, and 1 stop bit. The Modbus address is set to 1 by default but can be changed via the Modbus registers.
How can I reset the total energy reading?
The SDM320E does not allow resetting the total accumulated energy via the front button. Resetting is only possible via the Modbus communication by writing to the dedicated reset register (if supported) or with special factory access.
What kind of protection does the meter provide?
It includes overcurrent, overvoltage, and phase loss detection, but it is not a circuit breaker. Ensure external protection devices are installed as required by electrical safety norms.
How do I clean the device?
Use a soft dry cloth to remove dust. Do not use water, chemical cleaners, or abrasive materials to avoid damaging the LCD display and terminals.
Can the meter be used for outdoor installation?
The SDM320E is intended for indoor use in a well-protected environment. Do not expose it to rain, condensation, or extreme temperatures beyond the specified operating range.
What is the purpose of the pulse output LED?
The LED pulse output provides a visual indication of energy consumption and can be used with an LED probe for remote monitoring or calibration. It emits a pulse per certain amount of consumed energy.
Where can I find the user manual and support?
The user manual is available for free download on notice-facile.com in the PDF section. For technical support, contact Eastron’s authorized distributor or service center.
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USER MANUAL SDM320E Eastron
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Product information
Brand : Eastron
Model : SDM320E
Category : Electric meter