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

You should be careful because if the write protection is OFF, the ROM is rewritten simultaneously with the internal RAM

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

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

We offer the sample program using the pulse count function for the high-speed input module. You can download the sample

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

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

A user ROM card can be inserted and removed when the UROM LED is not illuminated (the key switch is set to a position ot

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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

≪ 3 / 4page ≫

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
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?

You should be careful because if the write protection is OFF, the ROM is rewritten simultaneously with the internal RAM of the CPU during program download. Show Detail
- No：1617
- 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
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
How can I use the pulse count function of the high-speed input module (Type_NP1X3206-A)?

We offer the sample program using the pulse count function for the high-speed input module. You can download the sample program and How-to Guide for it from... Show Detail
- No：1483
- 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
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 ...

The rated current is 3 A. Show Detail
- No：1641
- 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
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
Can I remove user ROM card in the CPU module (CF or SD) while the CPU is running?

A user ROM card can be inserted and removed when the UROM LED is not illuminated (the key switch is set to a position other than UROM). When removing it whi... Show Detail
- No：1304
- Displayed Date：2023/04/25 19:00