The LG terminal is a line filter ground terminal in the power supply module. It is intended for guiding any external noi

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

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

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

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

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

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

You can mount or remove a CPU module during system operation, but not a power supply module. [Related document] For th

The SX bus station number for the slot on which the CPU module is mounted is recognized as unused.

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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 ]

1-10 of Total 34

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What is the difference between the LG and FG terminals of the power supply module (Type_ NP1S-22)?

The LG terminal is a line filter ground terminal in the power supply module. It is intended for guiding any external noise produced in the power supply or sw... Show Detail
- No：1374
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 10:52
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
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
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
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
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
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
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?

You can mount or remove a CPU module during system operation, but not a power supply module. [Related document] For the details of hot plugging function, r... Show Detail
- No：1600
- Displayed Date：2023/04/25 19:00
What will happen to the station number assigned to each slot of a base board with a station number setting switch (Type_ NP1BS-**S, NP1BP-13S, NP1B...

The SX bus station number for the slot on which the CPU module is mounted is recognized as unused. Show Detail
- No：1382
- Displayed Date：2023/04/25 19:00