No, it is not necessary for normal operation. The main purposes of mounting a CF card or an SD card on a CPU module are

No, it doesn't. A power supply module may occupy two slots (Type_ NP1S-22, NP1S-42) or one slot (Type_ NP1S-81, NP1S-91

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

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

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

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

No, they do not have polarity because they use relay contacts.

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

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

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

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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

≪ 2 / 4page ≫

The SPH300, SPH2000, and SPH3000 series CPU modules can mount a compact flash card (CF card) or an SD card. Is it necessary for normal operation?

No, it is not necessary for normal operation. The main purposes of mounting a CF card or an SD card on a CPU module are as follows. - You can write a progr... Show Detail
- No：1474
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:31
I mounted the power supply module (Type_ NP1S-22) on the base board (Type_ NP1BS-06). The connector at the far left of the base board is not used. ...

No, it doesn't. A power supply module may occupy two slots (Type_ NP1S-22, NP1S-42) or one slot (Type_ NP1S-81, NP1S-91). The connector at the far left... Show Detail
- No：1340
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:34
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
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
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
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
Do the blue and white cables for the ALM output of the power supply module (Type_ NP1S-22) have polarity?

No, they do not have polarity because they use relay contacts. Show Detail
- No：1585
- 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 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
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