Replace the Allen-Bradley controller?
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With dual-machine redundancy, the CNET light on slave machine B is always on; according to the documentation it should flash when acting as a slave. When replacing it, can it be done by simply unplugging it (it seems inconvenient to disconnect power individually, as the power comes from the motherboard)? 2. First, set the backup data retention switch BATTERY to OFF, insert it, and then turn it to ON once all the lights are functioning properly. 3. If the RESET button on the main unit is pressed, does the slave unit become the main unit or vice versa? I’d appreciate it if experts could tell me whether these are the correct steps
After resetting, the programs inside will be gone
I’m not sure; is it used to indicate the status of the reset light after the fault is resolved?
That’s basically it; I changed it once. You can consult Allen-Bradley
Just pull it out directly and that’s it; it switches automatically. You can also switch within the software – just log in with an engineer account. I’m using the M6 model, and you don’t need to know too much about it; just follow the settings step by step and it’ll work fine