26.8.11
UNIGATE Fieldbus Gateway CANopen® - ProfibusDP V. 2.3
29
Deutschmann Automation GmbH & Co. KG
Representation of the data in ProfibusDP
8.3
Diagnosis
Diagnostic data is high-priority data. The gateway runs an external diagnostic if it detects an
internal error.
Representation of the information in the external diagnostic byte:
The diagnostic information of a DP Slave consists of standard diagnostic information items
(6 bytes) and a user-specific diagnostic information item. (Error number)
Telegram for diagnostic request:
Octet 1
0
Diag.station does not exist (sets Master)
Diag.station not_ready: Slave is not ready for
data exchange
Diag.cfg_Fault
Configuration data does not correspond
Diag.ext_diag
Slave has external diagnostic data
Diag.not supported: Requested function is not
supported in the Slave
Diag.invalid_slave_response (sets Slave
permanently to 0).
Diag.prm_fault
Incorrect programming (identification number etc.)
Diag.master_lock (sets Master)
Slave has been programmed by another Master