Toshiba PROFIBUS-DP PBDP-110 - Manual (Page 27)

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9.3 Diagnostics
When one of the connected drives faults, 1 byte of high-priority user diagnostics is
supplied to the Profibus master. The format of the diagnostics byte is shown here:
Bit #: 7 6 5 4 3 2 1 0
Reser
ved
Reser
ved
Reser
ved
Dr
ive B Fault
ed
Reser
ved
Reser
ved
Reser
ved
Dr
ive A Fault
ed
Drive B
Diagnostics
Drive A
Diagnostics
Reserved bits indicated in the above table are currently set to “0” by the PBDP-110,
but may be used to transfer data in future firmware releases.
When a drive’s fault condition is cleared, a diagnostics status update is generated
indicating the drive’s exit from the faulted state.