Detailed Description
2.7 PLC status
Diagnostic Tools (D1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-29
Logs and version
Communication log
The communication errors which have occurred between the HMI and NC are displayed in
chronological order under the soft key Comm. log in the "Diagnostics" operating area. This
error list assists developers of OEM applications in localizing sporadic errors. The list has no
relevance for normal operation.
Logbook
In the "Diagnostics" operating area, under the soft key Logbook, all system-relevant
modifications to the controller are automatically noted in the Logbook display (e.g. changes
to access levels).
For SINUMERIK 840Di, the log book is displayed in 840Di StartUp.
Version
In the event of service work, ("Diagnostics" operating area, under the soft key Version), the
built-in HMI or NC software status is read out.
The software status of each software module is also kept as a list.
2.7 2.7 PLC status
PLC status signals can be checked and altered via the operator panel in the "Diagnostics"
operating area.
Application
The end customer or service personnel can use this function on site without a programming
device to do the following:
• Check the input and output signals of the PLC I/Os.
• Carry out limited troubleshooting.
• Check the interface signals for diagnostic purposes.
Operation
For information on how to operate the service displays and alter them, see:
References: /BA/, "Operator's Guide"
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