Clock adjustment is initiated from CPU0 (operating) to other CPUs (standby). It takes place on a constant (1-minute) cyc

The P-link memory is prepared in the P-link module. It is separate from the memory in the CPU and no change takes place

No, it doesn't. A power supply module may occupy two slots (Type_ NP1S-22, NP1S-42) or one slot (Type_ NP1S-81, NP1S-91

No, it is not necessary for normal operation. The main purposes of mounting a CF card or an SD card on a CPU module are

No, there isn't. Receive the external power supply as an external input to detect the status.

You cannot access general memory other than the memory for the multi-CPU from the other CPU. Access using the direct rea

(1) With the SPH300/2000 Series, it is used to back up the data memory of the retained attributes, calendar IC memory, a

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

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

Check the following system memory. (1) Configuration information %MW10.52 to %MW10.67 (WSM52 to 67) (2) Configuratio

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GLOBAL > PLC > SPH > Main unit

Latest FAQ

I have configured a multi-CPU system, but the system has run out of memory for the multi-CPU. Can I access the common general memory from the other...
What is the rated current value of the fuse in the power supply module (NP1S-22)? I want to know to select the circuit breaker on the primary side ...
When I mount the user ROM card for the SPH200 (Type_ NP8PMF-16) without changing its write protection from OFF, is the content of the ROM protected?
When the retain memory (memory for data backup with a battery) of the CPU module of the MICREX-SX Series SPH is corrupted, how does the CPU module ...
Can I mount or remove a CPU module and a power supply module on a hot plug base board while the system power is on?

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FAQ within [ Main unit ]

21-30 of Total 34

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Does equalization (from an operating CPU to a standby CPU) of the internal clock take place automatically? If so, when does it take place?

Clock adjustment is initiated from CPU0 (operating) to other CPUs (standby). It takes place on a constant (1-minute) cycle at the time of and after system st... Show Detail
- No：1401
- Displayed Date：2023/04/25 19:00
In a redundant system, what will happen to the P-link memory at the time of switchover to a standby CPU?

The P-link memory is prepared in the P-link module. It is separate from the memory in the CPU and no change takes place at the time of switchover to a standb... Show Detail
- No：1343
- Displayed Date：2023/04/25 19:00
I mounted the power supply module (Type_ NP1S-22) on the base board (Type_ NP1BS-06). The connector at the far left of the base board is not used. ...

No, it doesn't. A power supply module may occupy two slots (Type_ NP1S-22, NP1S-42) or one slot (Type_ NP1S-81, NP1S-91). The connector at the far left... Show Detail
- No：1340
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:34
The SPH300, SPH2000, and SPH3000 series CPU modules can mount a compact flash card (CF card) or an SD card. Is it necessary for normal operation?

No, it is not necessary for normal operation. The main purposes of mounting a CF card or an SD card on a CPU module are as follows. - You can write a progr... Show Detail
- No：1474
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:31
Is there an RAS that detects an error of the external power supply used for an I/O module?

No, there isn't. Receive the external power supply as an external input to detect the status. Show Detail
- No：1388
- Displayed Date：2023/04/25 19:00
I have configured a multi-CPU system, but the system has run out of memory for the multi-CPU. Can I access the common general memory from the other...

You cannot access general memory other than the memory for the multi-CPU from the other CPU. Access using the direct read/write FB is used for the access to ... Show Detail
- No：1645
- Displayed Date：2023/04/25 19:00
What is the data backup battery for the SPH Series used to back up? 　Are there any precautions in performing a battery-less operation?

(1) With the SPH300/2000 Series, it is used to back up the data memory of the retained attributes, calendar IC memory, and RAS information. (2) With the SPH2... Show Detail
- No：1534
- 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
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
I use the hot plug base board with station No. setup function (Type_NP1BS-13D). When I remove a module, how can I identify the removed module in D3...

Check the following system memory. (1) Configuration information %MW10.52 to %MW10.67 (WSM52 to 67) (2) Configuration fault information %MW10.68 to %MW1... Show Detail
- No：1482
- Displayed Date：2023/04/25 19:00

21-30 of Total 34

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