If the host attempts to write one or more registers that are out of range, an exception response code 2 or 3 is generated, depending if the start address is valid.

If the host used an unsupported function code, an exception response code of 01 should be generated. However, this is not guaranteed and there may be no response.

Error Handling

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MultiRanger 100/200 – INSTRUCTION MANUAL

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Siemens 200 instruction manual Error Handling