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TON TOF problem

7/29/2012 12:15 PM	Rate (0)
gretz Posts: 1 Rating: (0)	Hello I've some difficulty about code I use 2 digital output for forward and reverse motor I've got a motor and i need turn it clockwise during a timer This timer is adjusted on my HMI TP700 Comfort and stocked on a DB block (DB 9.ontime the format is Time) When the timer is reached the motor should stop during an other timer value This second timer is stocked on a same DB block (DB 9.offtime the format is Time) When the offtime is reached, motor should turn counter_clockwize with DB 9.ontime value too then offtime again so the cycle is: Ontime Forward Offtime Ontime Reverse Offtime I repeat the sequence as an input is activated I'm new siemens user and I have many difficulties when it parrait be easy I hope someone can help me Best regards
gretz Posts: 1 Rating: (0)
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7/30/2012 9:36 AM	Rate (0)
Cicero Platinum Member Joined: 10/10/2005 Last visit: 1/29/2025 Posts: 1940 Rating: (138)	Hello, see the enclosed example with Graph program in STEP 7 (TIA Portal) V11. With best regards Attachment D:\_Beitrag\MotGraph.zip (478 Downloads)

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