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CPU serial number

Created by: Percon at: 11/1/2005 2:23 PM (3 Replies)

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11/1/2005 2:23 PM	Rate (0)
Percon Posts: 5 Rating: (0)	Hi all, Can anybody tell me if it's possible to read the serial number of a CPU inside the user-programm, the CPU i want to use is a 318-DP? I know it was possible with S5 using the LIR instruction. This is possibly a controversial subject cause i want to use it to prevent my programm from running on different CPU's, (copy protection). Thanx Willy Maas
Percon Posts: 5 Rating: (0)
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11/1/2005 4:24 PM	Rate (0)
neo Posts: 264 Rating: (59)	Hi Willy, You can use SFC 51 "RDSYSST" to read some information of your CPU, and also the serial number - of CPU and MMC. See http://support.automation.siemens.com/WW/view/en/19215608 for more information. best regards...
neo Posts: 264 Rating: (59)	Last edited by: O_Moderator at: 12/14/2010 2:30 PM link edited
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11/2/2005 8:51 AM	Rate (0)
hannibar Posts: 52 Rating: (8)	Willy Maas How can I read the serial number of a S5 CPU with using the LIR instruction thank you! hannibar
hannibar Posts: 52 Rating: (8)
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11/7/2005 11:58 AM	Rate (1)
supauto Posts: 1 Rating: (1)	Hello, master because i work in the school of formation we have simatic 300 and we want have one exemple for régulation, it mean how to use the specially fonction and i want if you can with animation to explain how to use PID? [:cry:]
supauto Posts: 1 Rating: (1)
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