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

The SX bus connector of the SPH300EX (Type_ NP1PS-74D) is an OUT (output) connector. When you connect SX bus equipment

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

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

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

If the CPU modules are mounted on a hot plug base board with station No. setup function, you can replace them without tu

No, it is not possible. Only one program can be stored.

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

Since the data equalization (data copying from the operating CPU to the standby CPU) is performed after the default task

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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 ]

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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
The SPH300EX (Type_ NP1PS-74D) has an SX bus connector. Which ports should I use when connecting the SX bus cable to the SX bus expansion base, 'IN...

The SX bus connector of the SPH300EX (Type_ NP1PS-74D) is an OUT (output) connector. When you connect SX bus equipment, connect the cable to the IN (input)... Show Detail
- No：1535
- 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
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
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
When redundant CPUs mounted on the same base board break down, can I replace the CPU without turning off the power?

If the CPU modules are mounted on a hot plug base board with station No. setup function, you can replace them without turning off the power. Show Detail
- No：1367
- Displayed Date：2023/04/25 19:00
Can I store multiple programs in the user ROM card (CF or SD) ?

No, it is not possible. Only one program can be stored. Show Detail
- No：1298
- 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
In the redundant CPU system, the cycle of the default task takes 70 ms. It takes only several microseconds with a single-CPU system. Why is such a ...

Since the data equalization (data copying from the operating CPU to the standby CPU) is performed after the default task is processed, the larger the size of... Show Detail
- No：1568
- Displayed Date：2023/04/25 19:00