Interface to reads any exception status set in the device. The exeption status is a set of 8 status bits, packed as a U8 integer. With third-party devices, this function should only be used if the device is a serial device, as the Modbus specification defines this as a serial-only function. However, this library includes support for this function regardless of the transport mechanism.
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Modbus master in can accept any Modbus master instance. |
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error out contains error information. This output provides standard error out functionality.
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error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
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Modbus master out returns the Modbus master instance provided as input. |
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exception status contains device exception information. |