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Step 5 eprom 130wb PLC.

Created by: Nanu_333 at: 4/6/2012 2:36 PM (1 Replies)

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4/6/2012 2:36 PM	Rate (0)
Nanu_333 Bronze Member Joined: 5/19/2011 Last visit: 8/22/2023 Posts: 196 Rating: (5)	DEar Expert, I am unable to establish the communication with system 3 plc.. But i wanted to to put plc in run mode anyhow. I hav doubt that Program has been clear from RAm due to battery failure.So how to load program from EPROM card.The eprom card is there in Rack. The Rack is dual PLC n both are in Stop mode.If possible give me the solution as early as possible. Also th Screen for the system 3 is not getting on even though the power is available on to screen. Is there any relation with System run mode for screen geting ON.

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4/7/2012 8:26 AM	Rate (0)
TIBI68 Gold Member Joined: 12/1/2009 Last visit: 9/5/2024 Posts: 672 Rating: (147)	Hi, can you give us some some information about your system? Or just upload us a picture. A picture tells more than thousend words But if I understood you correctly you havea redundant H-system (i.e. 155H). Due to any reason you lost the main powerto the system. The backup batteries never got replaced and are of courseempty now. The power is backand the CPU's do not want to go to RUN mode. The power supply module has a DIP setting where you can switch the batterymonitoring on/off. If it is ON you need to replace the batteries before the start of the CPU. If it is OFFthe CPU will start even with no or faulty battery. The description is in the manual: "Power Supply Unit / Configuration Swithes"" https://support.automation.siemens.com/WW/llisapi.dll/csfetch/1344858/6ES5+998-4SR21band1.pdf?func=cslib.csFetch&nodeid=1344859&forcedownload=true Regards.
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