How to use LCPU connector terminals

The LCPU connector terminals can be used as terminals for built-in I/O function. The setting of the built-in I/O function can be configured with the paramete... More Details >>

Remedy to an error message when performing online change in LCPU

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 >>

KeepAlive setting for built-in Ethernet port in LCPU

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

MC protocol response messages

There are no settings for deleting the network number and PC number. More Details >>

Setting of Q series registers whose data is held when a power failure occurs

Assign data registers (D) to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> "Device Setting" window) to hold the data when a po... More Details >>

How to write to file registers in Q series

Specify the file in the Write to PLC window and execute writing. More Details >>

Inter-module synchronization function of MELSEC iQ-R series

The inter-module synchronization function synchronizes the timing to control signals of multiple modules. This function synchronizes the input or output tim... More Details >>

Operations that can be performed with the MELSEC iQ-R series inter-module synchronization function

The inter-module synchronization function synchronizes the input or output timing of multiple I/O modules or intelligent function modules. The inter-... More Details >>

Regarding understanding FX5-EIP Configuration Restrictions

One FX5-EIP can be used per system. It cannot be used with FX5-ENET/IP. More Details >>

Regarding the Program List Monitor

On the MX-F Model, the Performance Monitor function enables Program List Monitor. The operation cycle and load status of the core can be visualized. More Details >>