Plc Diagnostics - Siemens SINUMERIK 808D ADVANCED Commissioning Manual
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Also See for SINUMERIK 808D ADVANCED:
- Diagnostic manual (566 pages) ,
- Parameter manual (524 pages) ,
- Operating instructions manual (498 pages)
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6.9
PLC diagnostics
A PLC user program consists to a large degree of logical operations to realize safety functions and to support process
sequences. These logical operations include the linking of various contacts and relays. As a rule, the failure of a single
contact or relay results in a failure of the whole system/installation.
To locate causes of faults/failures or of a program error, various diagnostic functions are offered in the system data
operating area.
You can open the PLC program stored in the permanent memory of the control system through the following operations:
+
→
①
Application area
②
Supported PLC program language
③
Name of the active program block
Representation: Symbolic name (absolute name)
④
Program status
•
–
: Program is running
–
: Program is stopped
Status of the application area
•
–
: Symbolic representation
–
: Absolute representation
⑤
Display of the active keys, e.g.
⑥
Focus
Performs the tasks of the cursor
⑦
Tip line
Contains notes for searching
Commissioning Manual
01/2017
5.
Confirm your entry with this softkey or the following key:
→
223
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