System diagnostics by means of the user program
5.2 System diagnostics using process image inputs
Diagnostics
74 Function Manual, 09/2016, A5E03735838-AD
The figure below shows the evaluation of the value status in the user program.
Figure 5-2 Example - Evaluation of the value status in the user program
Depending on the I/O module, the value status reserves different addresses in the process
image input. The manual for the module used includes specific information on the
assignment and arrangement.
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