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problem run mode in plc siemens s5 100 cpu 102

5/6/2009 5:05 AM	Rate (0)
saseso Posts: 4 Rating: (0)	i have a problem with s5 100 cpu 102 , i transfers the program to plc , and when active the 'cpu start' from the software; the run mode leds for a second then immadiatley return to stop mode. i dont know where is the problem, the program is oky and small, there are i/o modules, every conditions are satisfied...only i dont have an EPROM. Can any one help me please
saseso Posts: 4 Rating: (0)
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5/6/2009 1:58 PM	Rate (0)
Howard Wong Posts: 24 Rating: (3)	Hello, Can you provide a screen shot of the I-Stack? Thanks!
Howard Wong Posts: 24 Rating: (3)
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5/6/2009 7:58 PM	Rate (0)
saseso Posts: 4 Rating: (0)	in fact i dont have a programmer; i connect the plc by the pc; so i dont know how i determine the istack by the pc which connect to plc.
saseso Posts: 4 Rating: (0)
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5/7/2009 7:15 AM	Rate (0)
umencho Grandmaster-Expert Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Hello, From Step5--> in PLC menu--> PLC Info ISTACK (Shift + F9). Regards Hristo Mihalev

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5/7/2009 1:33 PM	Rate (0)
Indunil Posts: 33 Rating: (2)	Hi, Try following method. (If you sure that your program is OK.) 1. Power off the CPU 2. Remove backup battery 3. Power ON the cpu 4. Toggle RUN/STOP button (First to STOP, then to RUN) 5. If your CPU goes to RUN, you are lucky,,, Then download the program. Indunil.
Indunil Posts: 33 Rating: (2)
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5/14/2009 8:11 PM	Rate (0)
saseso Posts: 4 Rating: (0)	Hello, From Step5--> in PLC menu--> PLC Info ISTACK (Shift + F9). Regards Hristo Mihalev thank u sir but in fact with my software i dont have a command with (shift+f 9)
saseso Posts: 4 Rating: (0)
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5/14/2009 8:13 PM	Rate (0)
saseso Posts: 4 Rating: (0)	Hi, Try following method. (If you sure that your program is OK.) 1. Power off the CPU 2. Remove backup battery 3. Power ON the cpu 4. Toggle RUN/STOP button (First to STOP, then to RUN) 5. If your CPU goes to RUN, you are lucky,,, Then download the program. i do this method but cpu dosent go to run.
saseso Posts: 4 Rating: (0)	Last edited by: saseso at: 5/14/2009 8:15 PM
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