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

You can use it as a standard base board by setting its station No. to '00.' In this case, you also need to set the syste

The equivalent data is retained for one default task during switching and the standby CPU starts execution from the begi

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

Latest FAQ

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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
Can I use a base board with station No. setup function (Type_ NP1B*-**S) as a standard base board (without 'S' at the end of type code)?

You can use it as a standard base board by setting its station No. to '00.' In this case, you also need to set the system definition of the loader designed f... Show Detail
- No：1531
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:50
How does the redundant system handle tasks being executed when the operation is switched from an operating CPU to a standby CPU?

The equivalent data is retained for one default task during switching and the standby CPU starts execution from the beginning of the task. Show Detail
- No：1530
- Displayed Date：2023/04/25 19:00
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