Step 1. Identify CIMPLICITY Points

Identify the CIMPLICITY points you wish to access from a Modbus master device. If necessary, create device or virtual points to receive values from a Modbus master device. Create virtual points to re-range analog point values to prevent data coercion errors, or to minimize loss of significance. For example, real values are truncated when transferred to a Modbus analog data address.

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Modbus RTU Slave getting started steps.