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=BOUWSEIN IM EPROM =PROTECTED BLOKS?

Created by: robbedoes at: 9/5/2006 7:10 PM (4 Replies)

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9/5/2006 7:10 PM	Rate (0)
robbedoes Posts: 3 Rating: (0)	I CANT MODIFY BLOCKS IN A S5 PLC CPU944 WEN I TRY TO DOWNLOAD THEM BACK TO THE PLC I GET BOUWSEIN IM EPROM ??? CANT I MODIFY THIS BLOCKS OR IS THERE A WAY? GEETINGS MARCO NL
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9/5/2006 10:30 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	Hi Marco, Do you not have small characters on your keyboard? [:D] The blocks above FB240 are in EPROM, it are the blocks that are coming for special functions with the CPU.... [:o]
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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9/6/2006 12:38 PM	Rate (0)
robbedoes Posts: 3 Rating: (0)	sorry the plc is a 155U cpu943B i cant modify anything not online or in the editor wen i try this there comes a popup IN EPROM VORHANDEN i work with a siemens pg i did put the plc in stop mode no luck i did axstact the eprom type 6es5 375-ola21 16K*8bit and it stil wont work do i have torestet to plc urloechen? and load back from the eprom or pg thanks for the reply marco
robbedoes Posts: 3 Rating: (0)
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9/6/2006 11:39 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	Hi Marco, If it is in EPROM then you can't change it online in the CPU 943B of the S5-115U [:(] Then you need a UV-Lamp to clear the EPROM and shoot the EPROM with a PROMMER... [:P] Normally you could put also a RAM-module in to the CPU, it have also some RAM internally, if the programm is not that big, then it could be that the hole program can be placed in the RAM. You might test if the changes are ok and after that clear the EPROM and shoot the program into the EPROM again. Blocks above FB240 are normally system programms for communication and doubleword executions, they are in the internal FW of the CPU, please check the handbook of the 115U for further information S5-115U Programmable Controller [;)]
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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9/7/2006 7:36 PM	Rate (0)
Import-User-2 Silver Member Joined: 8/10/2005 Last visit: 4/9/2024 Posts: 1486 Rating: (32)	[quote user="J_Bell"] Hello, I think your Program is burned onto an EEPROM or even worth on an EPROM in the PLC. The only way to change this Program is to change the Memory on the PROM. For the EEPROM this is possibleby editing it in the PROMMER of your PG. If it is an EPROM you have to download the Program to the PG, change it, erase the ERPOM by the use of an EPROM Eraser and burn the changed Program back onto the PROM. I hope I could help you a bit. Best regards J_Bell

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