What is the difference between the LG and FG terminals of the power supply module (Type_ NP1S-22)?

The LG terminal is a line filter ground terminal in the power supply module. It is intended for guiding any external noise produced in the power supply or sw... Show Detail

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

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... Show Detail

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

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

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 ...

When the memory with a retain attribute is corrupted, the CPU clears the memory and operates in nonfatal fault condition. If the power is reset again in this... Show Detail

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

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

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

Is there an RAS that detects an error of the external power supply used for an I/O module?

No, there isn't. Receive the external power supply as an external input to detect the status. Show Detail