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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)...
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- No:1535
- Displayed Date:2023/04/25 19:00
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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...
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- No:1343
- Displayed Date:2023/04/25 19:00
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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.
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- No:1641
- Displayed Date:2023/04/25 19:00
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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.
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- No:1617
- Displayed Date:2023/04/25 19:00
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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.
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- No:1367
- Displayed Date:2023/04/25 19:00
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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).
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- No:1289
- Displayed Date:2023/04/25 19:00
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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...
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- No:1568
- Displayed Date:2023/04/25 19:00
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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...
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- No:1600
- Displayed Date:2023/04/25 19:00
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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...
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- No:1401
- Displayed Date:2023/04/25 19:00
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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.
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- No:1588
- Displayed Date:2023/04/25 19:00