RS485/MODBUS Communication with JLD416PVA Power Meter

Version (408 KB) by W.
Reads power, voltage and current data via RS485/MODBUS from a JLD416PVA meter.


Updated Mon, 09 Apr 2012 10:48:23 +0000

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Communicates with JLD416PVA meter over MODBUS RTU. Sends one read command to interrogate all six holding registers of the unit. Also parses the response into voltage, current and power with meaningful units. Includes a sample script to repeatedly poll the device for the measurements. Screenshot was developed measuring a 50/100/150 W three-way lamp.

Cite As

W. (2023). RS485/MODBUS Communication with JLD416PVA Power Meter (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2010b
Compatible with any release
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes

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Corrected model number in tag