Inserting SDcard crashes PLC!

Paul_Pereira

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Join Date
Jan 2023
Location
Amsterdam
Posts
51
Hi Guys,

I am running an ABL33ER on firmware 33.12. I noticed that when I insert the SDcard into the controller the program stops. Not only that. The program gets deleted from the PLC and I need to redownload the program. What could cause this?
 
Paul_Pereira said:
Hi Guys,

I am running an ABL33ER on firmware 33.12. I noticed that when I insert the SDcard into the controller the program stops. Not only that. The program gets deleted from the PLC and I need to redownload the program. What could cause this?
Click to expand...

I don't have an L33 on hand to check. Is the program set to load from SD card on power up? If that were the case, and the SD card were empty, perhaps the program in the PLC would be lost.

Just a guess.
 
thingstodo said:
I don't have an L33 on hand to check. Is the program set to load from SD card on power up? If that were the case, and the SD card were empty, perhaps the program in the PLC would be lost.

Just a guess.
Click to expand...
The card is not empty. It has the program loaded on it. And it was not a power on scenario. The sd card was just pushed into the plc while it was running. Any other reason?
 
I found out that there was some destructive code using cf big write that crashed the plc when the ad card was suddenly inserted. Inhibiting the cf tasks in studio 5000 solved the issue.
 

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