Detailed description
2.5 Service display PROFIBUS DP 840Di
Basic logic functions: Diagnostic tools (D1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
35
Diagnostic screen of the DP slaves
These diagnostic screen forms provide an overview of the DP slaves configured and
detected on the bus.
The following information is provided:
Table 2-2 Diagnostic screen Information on the slaves
Function/subfunction Explanation/meaning
Slave No. [DP address] Configured DP address of DP slave
Assignment It is displayed whether the DP slave is assigned to the NC or to the PLC.
• NC: e.g. one or several drives controlled by the NC.
• PLC: e.g. I/O modules or an axis controlled by the PLC.
Active on the bus Displays whether the DP slave has been detected on the bus
• Green lamp: DP slave has been detected on PROFIBUS DP and the data exchange with the
assigned component (NC or PLC) operates.
• Red lamp: Failure or no communication.
Sync. with NC Displays whether DP slave operates on the bus synchronously to the NC.
• Green lamp: DP slave operates on PROFIBUS DP synchronously to the NC, i.e. the
equidistant data exchange takes place.
• Gray lamp: DP slave is not assigned to the NC, but to the PLC.
• Red lamp: Failure or no communication.
Number of slots Number of configured slots within DP slave
Details Pressing this button will open another diagnostic screen that provides detailed information on
the corresponding DP slave.
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