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Hardware Interrupt Module & Output

Created by: CrazyCowPie at: 3/26/2009 10:36 PM (2 Replies)

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3/26/2009 10:36 PM	Rate (0)
CrazyCowPie Posts: 4 Rating: (0)	Hello all, I have one question regarding the hardware interrupt module. S7-315-2DP CPU w/ hardware interrupt module. I have an input goes to this hardware interrupt module. When the rising edge of the input is on, it goes to OB40. Question is: In OB40, I check an input and turn on an output solenoid. Does this solenoid output get updated at the end of OB40 scan or at the end of OB1 scan? Thanks,
CrazyCowPie Posts: 4 Rating: (0)
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3/26/2009 11:37 PM	Rate (0)
H-H Platinum Member Joined: 7/2/2008 Last visit: 8/26/2024 Posts: 928 Rating: (308)	Hi, I think it depends on the used instructions. Please check this /tf/WW/en/Posts/28117 http://support.automation.siemens.com/WW/view/en/18325417 Best regards. H-H

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3/27/2009 1:01 PM	Rate (0)
Ayman Elotaify Platinum Expert Joined: 5/28/2008 Last visit: 9/9/2024 Posts: 4515 Rating: (839)	Hello, I think the following thread is descriping well how the interrupts work. /tf/WW/en/Posts/23086#top With best regards,
	Ayman Elotaify
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