Versions of LCPU compatible with LJ71...

The L series CPU serial numbers with upper 5 digits of "14112" or later indicate compatibility with LJ71E71-100. More Details >>

Versions of built-in Ethernet port LC...

The initial version and subsequent versions of L series CPU support the SNTP function. More Details >>

Operation during power failure

It stops during execution. More Details >>

Remedy to an error message when perfo...

After data is written to the program cache memory (SRAM), it is automatically transferred to the program memory (flash ROM). Therefore, additional online cha... More Details >>

Number of points used for I/O assignm...

X00 to X0F and Y00 to Y07 are sorted for each function. For more details, refer to "MELSEC-L CPU Module User's Manual (Built-In I/O Function)". More Details >>

KeepAlive setting for built-in Ethern...

The KeepAlive setting for the built-in Ethernet port in the L series is fixed. The setting is unchangeable. More Details >>

How to use PWM output of LCPU built-i...

Set the PWM output-on-width and the PWM output cycle, and then execute a dedicated instruction "ICPWM instruction". More Details >>

Behavior of sequence program in event...

(1) When it happened no longer than the allowable momentary power failure time. The module records an error log and suspends the operation processing. Ho... More Details >>

LCPU internal clock synchronization

Use the time setting function to synchronize the internal clock. More Details >>

Method to prevent the BAT.LED from tu...

To prevent an LED from turning on when an error occurs, set 0 to the relevant factor number setting area (4 bits for each) in SD207 to SD209. To disable the ... More Details >>