The battery supplied with a CPU module is used to back up the following memories in the CPU module when a PLC system is

No, it is not possible. Only one program can be stored.

Turn off the write-protect switch of the user ROM card, mount it on the CPU module and transfer a program to write it to

This only stops the operating CPU and the operation is not switched to the standby CPU.

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I bought an SPH series CPU module and the supplied battery was not connected to the CPU unit. Should I connect it? What is it for?

The battery supplied with a CPU module is used to back up the following memories in the CPU module when a PLC system is turned off. Basically, connect the ba... Show Detail
- No：1505
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:40
Can I store multiple programs in the user ROM card (CF or SD) ?

No, it is not possible. Only one program can be stored. Show Detail
- No：1298
- Displayed Date：2023/04/25 19:00
How can I write to the user ROM card of a standard CPU?

Turn off the write-protect switch of the user ROM card, mount it on the CPU module and transfer a program to write it to the user ROM card. Show Detail
- No：1344
- Displayed Date：2023/04/25 19:00
What happens when I set the key switch of the operating CPU to STOP while using the redundancy function of the SPH300? Is the operation switched t...

This only stops the operating CPU and the operation is not switched to the standby CPU. Show Detail
- No：1588
- Displayed Date：2023/04/25 19:00