Operator controls and operating modes of the CPU 410-5H
7.3 Self-test
CPU 410-5H Process Automation
System Manual, 09/2014, A5E31622160-AB
119
Influencing the cyclic self-test
SFC 90 "H_CTRL" allows you to influence the scope and execution of the cyclic self-test. For
example, you can remove various test components from the overall test and re-introduce
them. In addition, you can explicitly call and process specific test components.
For detailed information on SFC 90 "H_CTRL", refer to Manual
System Software for
S7-300/400, System and Standard Functions
.
-safe system, you are not allowed to disable and then re-enable the cyclic self-tests.
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