Siemens SINUMERIK 840DE SL - Page 1230

Detailed Description
2.7 Structure and functions of the basic program
PLC Basic Program Solution Line (P3 sl)
2-36 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
• Process interrupt handling (OB 40)
• Diagnostic interrupt, module failure (OB82, OB86)
Each section of the basic program - as illustrated in the figure below - must be called by the
user in OBs 1, 40 and 100.
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Fig. 2-12 Structure of the basic program