Siemens SINUMERIK 802D - Diagnose PLC Program

SINUMERIK 802D sl Operating and Service Training Manual Page 1
C28
C28
Diagnose PLC Program
C28
1 Brief description
Module objective:
Upon completion of this
module you can use the built-in PLC program displays to diagnose faults.
Module description:
The 802D SL controller
has extensive diagnostic possibilit
ie
s, one of which is the online display of
the
PLC program.
It is possible
using this function to quickly evaluate logic faults or external switching faults on the ma-
chine. To use this funct
ion effectively prev
ious knowledge of PLC programming is advantageous.
Module content:
• Locating the PLC Program displays
• Navigating the displays
• Program status ON/OFF
• Searching
• Cross referencing
Navigating the displays
Program status ON/
OFF
Searching
Section 3
Section 4
Section 5
Locating the PLC Pro-
gram displays
Section 2
Cross referencing
Section 6