Test functions and eliminating problems
13.1 Test functions
Distributed I/O system
260 System Manual, 12/2016, A5E03576849-AG
Testing with program status
The program status allows you to monitor the execution of the program. You can display the
values of operands and the results of logic operations (RLO) allowing you to recognize and
fix logical errors in your program.
Note
Restrictions for the "Program status" function
Monitoring loops can clearly increase the cycle time, depending on the number of tags
monitored and depending on the actual number of loops run through.
Testing with program status
A test with the "Program status" function can produce serious property damage and
personal injury in the event of malfunctions or program errors.
Make sure that you take appropriate measures to exclude the risk of hazardous conditions
occurring before running a test with the "Program status" function.
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