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s7 soft ware logic question

Created by: gary6315 at: 3/31/2018 1:23 AM (3 Replies)

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3/31/2018 1:23 AM	Rate (0)
gary6315 Advanced Member Joined: 11/17/2017 Last visit: 6/11/2021 Posts: 25 Rating: (0)	i read a s7 program in STL: A M0.0 AN M0.0 = M0.0 ///// A Q0.0 = Q0.0 ///// O M0.1 ON M0.1 = M0.1 i don't understand above PLC S7 program expression. anybody can give explain what's these for? thanks.

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3/31/2018 5:43 AM	Rate (0)
SMIT SHAH Silver Member Joined: 7/24/2014 Last visit: 8/1/2025 Posts: 393 Rating: (66)	gary6315 i read a s7 program in STL: A M0.0 AN M0.0 = M0.0 ///// A Q0.0 = Q0.0 ///// O M0.1 ON M0.1 = M0.1 i don't understand above PLC S7 program expression. anybody can give explain what's these for? thanks. It for making the bit M0.0 remain in always 0 state A M0.0 AN M0.0 = M0.0 It for making the bit M0.1 remain in always 1 state O M0.1 ON M0.1 = M0.1
	Thanks and Regards Smit Shah If Helpful please hit thanks and rate it
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3/31/2018 9:03 PM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 11/20/2024 Posts: 4620 Rating: (710)	gary6315 i read a s7 program in STL: A M0.0 AN M0.0 = M0.0 ///// A Q0.0 = Q0.0 ///// O M0.1 ON M0.1 = M0.1 i don't understand above PLC S7 program expression. anybody can give explain what's these for? thanks. Hello, and in LAD perhaps you understand well: M0.0 M0.0 M0.0 -----\| \|------\| / \|-------------( ) M0.1 M0.1 ------\| \|-------------------------( ) M0.1 \| ------\| / \|---\| Q0.0 is always off https://support.industry.siemens.com/cs/ww/en/view/109751814
	Last edited by: Ste39 at: 3/31/2018 9:06:07 PM Last edited by: Jen_Moderator at: 4/3/2018 7:58:07 AM Optimized link.
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This contribution was helpful to 1 thankful Users SMIT SHAH

3/31/2018 9:12 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	Or you known FBD.... Attachment Unknown.PNG (83 Downloads)

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