Siemens SINUMERIK 840Di Function Manual page 300

Detailed Description
2.5 Service display PROFIBUS DP 840Di
The following parameters are displayed:
Table 2-1 Diagnostic screen PROFIBUS configuration
Function/subfunction
Bus configuration
Baud rate in MBd
Cycle time in msec
Synchronous portion
(TDX) in msec
Status
Configuration OK.
Bus status
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
Slave No. [DP address]
Assignment
Active on the bus
Sync. with NC
Number of slots
Details
2-26
Explanation/meaning
Data transfer rate
Configured bus cycle time; also defines the position controller cycle
Configured time for cyclic data exchange within a PROFIBUS DP cycle
Status of configuration
Green lamp: DP master has powered up.
•
Red lamp: Failure or no communication.
•
Current bus status is displayed in this field. Each bus status is explained in the screen form in
brief. Possible states are:
POWER_ON
•
OFFLINE
•
CLEAR
•
OPERATE
•
ERROR
•
Explanation/meaning
Configured DP address of DP slave
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.
•
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.
•
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 configured slots within DP slave
Pressing this button will open another diagnostic screen that provides detailed information on
the corresponding DP slave.
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Diagnostic Tools (D1)