1.4.2. Slave mode

In slave mode, Modsak acts as a Modbus slave, receiving requests from a Modbus master (or masters) and responding to those requests. You can use Modsak in slave mode as a simple Modbus simulator. In this role Modsak provides storage and retrieval of values in registers, but does not provide any logic to operate on those values.

To run Modsak in slave mode, perform the following steps:

You may stop servicing of requests by clicking the Run button (this will close the interface), and restart servicing by clicking the Run button again.

While running in slave mode, Modsak will update its display of the register values that masters write to, and you may edit the values of the registers that masters read from.

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