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

When the power supply recovers to normal, the ALM contact automatically returns to the original position (open).

No, they do not have polarity because they use relay contacts.

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

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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
Does the built-in ALM contact of the power supply module of SPH maintain its status (contact closed) even if the power supply recovers to normal af...

When the power supply recovers to normal, the ALM contact automatically returns to the original position (open). Show Detail
- No：1289
- Displayed Date：2023/04/25 19:00
Do the blue and white cables for the ALM output of the power supply module (Type_ NP1S-22) have polarity?

No, they do not have polarity because they use relay contacts. Show Detail
- No：1585
- 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

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