ABB S800 I/O, Руководство пользователя

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Section 3 Run-time Operation AI895
3BSE027630-600 B 89
Field device status includes both fault conditions and abnormal operation modes or
conditions and does not necessarily mean a faulty device.
• Communication Error

Case Communication error can be of the following types:
– Parity error
– Overrun error
– Framing error
– Check sum error
– RX buffer overflow
– Undefined
• Command response

Case Command response can show the following:
– No command-specific error
– Invalid selection
– Passed parameter too large
– Passed parameter too small
– Too few data bytes received
– Device-specific command error
– In write-protect mode
– Access restricted
– Device is busy
– Command not implemented
• Field device status

Case Field device status can show the following:
– Field device malfunction
– Configuration changed
– Cold start