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Servo Axis Limit Switch (OFF Bits)

5/17/2010 1:42 PM	Rate (0)
Erdem Sivri Posts: 26 Rating: (0)	Hello I have a servo axis with 2 limit sw. When a limit sw is reached the motor must stop immediately. Which way should I do this? I selected the limit SW in Limits menu and enabled Stop Output Cam Activation and also defined software limit switches by means of position. Is this enough?. I used to cut out OFF3 signal from hardware. Should I connect these limit sw to OFF3? Which one is the right implemantation. Actually I am a bit confused about OFF1-2-3. Which way should they be used? Right now these bits are like that: OFF3 : Limit SW alarms in series OFF2: If Smart Line Module is OK and Emergency Stop OK OFF1 : If Start is given Operation Enable :If Start is given But I am not sure. Can anyone tell me the correct implemantation of OFF bits and also Operation Enable?
Erdem Sivri Posts: 26 Rating: (0)
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5/17/2010 2:52 PM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 12/19/2025 Posts: 22816 Rating: (3073)	Hello, take a look on the function diagram 2610 in the List manual Site 1495 http://support.automation.siemens.com/WW/view/en/33974002 This diagrams show how the OFF bits work. Hope this helps Regards Christoph

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