Modbus REST API Server
Unserver connects to field devices via Modbus protocol and provides an HTTP API to higher-level clients.
Unserver provides essential data acquisition features: tags, data caching, continuous polling and data type conversion
From any language, you can use Unserver to easily communicate with Modbus networks and devices.
{
name: "pressure-valve",
value: {
pressure: 2.43,
isClosed: true
}
}
0x01 0x02 0x02 0x55 0x39 0xAB 0xF1
0x01 0x02 0x02 0x7A 0x22 0x8B
The Easiest Way to Communicate With Devices
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Quick Start
Unserver is designed to be easy to use require as little learning as possible.
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JSON Configuration
Use simple and efficient JSON format to configure tags and API behavior.
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Tags
Define tags to create a custom API that reflects your solution.
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Caching
Optimize Modbus bandwidth by caching the values of frequently used tags.
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Continuous Polling
Configure tags to be automatically polled at specified frequency.
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Format Conversion
Unserver automatically converts tag values to the correct binary format, such as BCD, Float or Int.