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What is the address for the first scan bit

12/3/2018 3:27 PM	Rate (0)
Vickers5997 Posts: 6 Rating: (0)	I am using CPU 1511-1 PN Can anybody tell me the address for the first scan bit
Vickers5997 Posts: 6 Rating: (0)	Last edited by: Vickers5997 at: 12/3/2018 3:39:52 PM
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12/3/2018 3:28 PM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 12/19/2025 Posts: 9085 Rating: (1202)	Hello, Perhaps you can give some information about the PLC you want to use? Best regards, Wizard

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This contribution was helpful to 1 thankful Users Vickers5997

12/3/2018 3:40 PM	Rate (0)
Vickers5997 Posts: 6 Rating: (0)	CPU 1511-1 PN
Vickers5997 Posts: 6 Rating: (0)
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12/3/2018 3:57 PM	Rate (1)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 12/19/2025 Posts: 9085 Rating: (1202)	Hello, Go to properties of the CPU 1511-1PN Go to System and Clock memory Here you can enable System Memory bits. And then it is possible to select a MB. Then you have a bit for First scan. Best regards, Wizard

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This contribution was helpful to 3 thankful Users Hemanth Kumar Savarizz Gabriel_W

12/7/2018 5:39 PM	Rate (1)
0_Einstein Grandmaster-Expert Joined: 7/7/2010 Last visit: 12/19/2025 Posts: 16321 Rating: (2520)	There is also an entire OB dedicated to first scan logic available if you choose to locate all first scan logic there. Not suggesting you should, but for some first-scan logic, it is a very good place to reset things and set the system state depending on the state when it was last shut down. Vickers5997 I am using CPU 1511-1 PN Can anybody tell me the address for the first scan bit
	science guy
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This contribution was helpful to 2 thankful Users Gabriel_W Luh_Days