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set the class priority of Time-delay interrupt

Created by: gre_m at: 12/20/2010 5:58 PM (3 Replies)

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12/20/2010 5:58 PM	Rate (0)
gre_m Posts: 947 Rating: (45)	The class priority of Time-delay interrupt0is 3as default. How can I set the class priority of Time-delay interrupt =9 (as sample)?
gre_m Posts: 947 Rating: (45)
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12/20/2010 7:17 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 10/11/2024 Posts: 6852 Rating: (1365)	Dear gre_m If you mean a watchdog interrupt (OB3X), 3 parameter can be adjusted for them: 1- Time interval (1ms to 1minute) 2-Phase shift (1ms to 1minute) 3-priority (value between 2 to 24) The priority determines the interrupt behavior for the interrupt OBs. S7-300: Currently, the priority cannot be modified. Note for S7-400 Priorities should not be assigned twice. Interrupts can be lost if more than 12 interrupt OBs with the same priority occur at the same time. Bset regards
	Last edited by: hdhosseini at: 12/20/2010 7:36 PM Demo Channel on Youtube
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12/21/2010 3:23 PM	Rate (0)
gre_m Posts: 947 Rating: (45)	I mean a interrupt OB2X (OB20, OB21, OB22. OB23)
gre_m Posts: 947 Rating: (45)
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12/21/2010 4:43 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 10/11/2024 Posts: 6852 Rating: (1365)	[quote ] Generally in S7-300 the priority is always set to 3 .In S7 400 a value between 2 to 24 can be selected (0 not using the OB)
	Demo Channel on Youtube
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