Modbus and sensor calculators

The arithmetic that comes up when a sensor is being wired, commissioned or debugged. Everything runs in your browser, and nothing you type is sent anywhere.

Modbus CRC-16 calculator

Compute or check the CRC on a Modbus RTU frame.

Modbus float converter

Decode two registers as a 32-bit float or integer, in every byte order.

Modbus address converter

Turn 40001-style references into the table, the offset and the function code.

4-20 mA scaling calculator

Convert between loop current and engineering units over any span.

ppm to mg/m³ converter

Convert gas concentrations between ppm and mg/m³ at any temperature and pressure.

Reading Modbus sensors in the field?

Genesis reads RS485 Modbus sensors, analogue transducers and 1-Wire probes on the same four ports and reports them over cellular. Tell us what you need to read.

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