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
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
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
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
You cannot access general memory other than the memory for the multi-CPU from the other CPU. Access using the direct read/write FB is used for the access to ... 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
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
When the power supply recovers to normal, the ALM contact automatically returns to the original position (open). Show Detail
Check the following system memory. (1) Configuration information %MW10.52 to %MW10.67 (WSM52 to 67) (2) Configuration fault information %MW10.68 to %MW1... Show Detail
The battery supplied with a CPU module is used to back up the following memories in the CPU module when a PLC system is turned off. Basically, connect the ba... Show Detail
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