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

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

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

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

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

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 is not possible. Only one program can be stored.

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

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

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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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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
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
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
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
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
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
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
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
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