When the memory with a retain attribute is corrupted, the CPU clears the memory and operates in nonfatal fault condition

If the CPU supports user ROM (CF or SD card), you can do it by sending the program data for operation to the site by e-m

During battery-less operation, previous fault information and other 'history of RAS' are not saved. Only the present RAS

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

For an alarm contact output of an error of the PLC system, select an arbitrary output module in the system definitions a

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

Usually, set the CPU No. to 0. The CPU No. 0 works as a master of an SX bus system. In a multi-CPU system or a CPU redu

An unused slot is permitted in a system configuration. If you plan to mount a module in the unused slot in the future,

It is used as a base specified for 'system fail-soft start-up' operation, which is set when there is any base with some

As an alternative, you can combine hardware and software functions. (1) Hardware_ Prepare a relay output card and use

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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 ]

11-20 of Total 34

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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 ...

When the memory with a retain attribute is corrupted, the CPU clears the memory and operates in nonfatal fault condition. If the power is reset again in this... Show Detail
- No：1611
- Displayed Date：2023/04/25 19:00
There is no loader at the site. Is there any way to change the program?

If the CPU supports user ROM (CF or SD card), you can do it by sending the program data for operation to the site by e-mail or another method and then transf... Show Detail
- No：1592
- Displayed Date：2023/04/25 19:00
When you use battery-less operation on the SPH, is the history of RAS information recorded?

During battery-less operation, previous fault information and other 'history of RAS' are not saved. Only the present RAS information is displayed. Show Detail
- No：1579
- 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
Is there an alarm output contact to use when an error occurs in the PLC system?

For an alarm contact output of an error of the PLC system, select an arbitrary output module in the system definitions and define its 0th bit as a 'system DO... Show Detail
- No：1347
- 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
A CPU module has a rotary switch (0 to F) for setting the CPU No. on its front. What CPU No. should I set?

Usually, set the CPU No. to 0. The CPU No. 0 works as a master of an SX bus system. In a multi-CPU system or a CPU redundant system which uses multiple CPU ... Show Detail
- No：1504
- Displayed Date：2023/04/25 19:00
Is it permitted to have an unused slot in an SPH system configuration?

An unused slot is permitted in a system configuration. If you plan to mount a module in the unused slot in the future, it can be registered as 'unimplemen... Show Detail
- No：1313
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 14:32
For what application is the base board with station number setting switch used?

It is used as a base specified for 'system fail-soft start-up' operation, which is set when there is any base with some modules on which power is not turned ... Show Detail
- No：1411
- Displayed Date：2023/04/25 19:00
The SPH does not have a RUN contact. Is there any alternative?

As an alternative, you can combine hardware and software functions. (1) Hardware_ Prepare a relay output card and use one point as a RUN contact. 　(2) Sof... Show Detail
- No：1587
- Displayed Date：2023/04/25 19:00