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I have programmed a Siemens 115U 943B PLC using Step5 and Graph5(interfaced via FB70). Although the graph5 sequences work correctly and steps through as expected, the step number is not returned to the Step5 variable SANZ.
When the sequence is halted (Step 0) the value in SANZ is correctly displayed as 0. When the sequence is initiated ie. step 1...2...3..
The value returned is always 1 ???
Any ideas.....
When the sequence is halted (Step 0) the value in SANZ is correctly displayed as 0. When the sequence is initiated ie. step 1...2...3..
The value returned is always 1 ???
Any ideas.....
