12/11/2013 1:43 PM | |
Posts: 166 Rating:
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Dear Sirs We have got a testing setup, where there are 5 panels each having individual S7 300 PLCs, all r connected to each other through Profibus At first there is Air leak testing, thenthree numbers of Oil Flushing panels and finally oil filling machine Pl refer to PLC for Air leak testing machine There is a leak test instrument which is connected to PLC thro CP340 RS232C, this instrument is in Ready state and getting recognised without any error in the hardware configuration, Diagnostic buffer etc and no SF faults etc on CP340 RS232C module connected with this Leak Test Instrument When we do cycle start, cycle starts from PLC and air also start coming out without any problem as respective valve gets ONbut testing instrument does not get any trigger to start testing and may be due to that although Leak test not ok signal gets generated still air continues to come whereas air should stop flowing after leak test fault Kindly let us know the signal which connects PLC with leak test instument so that we can check why start signal is not reaching from PLC to leak testing instrument due to this Leak test instrument remains in Ready state instead of changing over to dufferent different states like prefill, exhaust etc which are seen during testing set up of that leak test instrument We could not locate that signal which connects PLC with leak test instument Warm Regards, Warm Regards AttachmentS149V2_5.zip (57 Downloads) |
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