LCPU internal clock synchronization

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

Intelligent function module settings in GX Works2

Intelligent function module settings can be made using GX Works2 alone.GX Works2 provides functions equivalent to various GX Configurator series functions.Fo... More Details >>

Life expectancy of the CompactFlash card used in the high speed data logger module

The life expectancy is determined by the following calculation.Life expectancy (year) = Total writable size (GB) / 1 year write size (GB/year)For more detail... More Details >>

How to turn OFF the "COM.ERR" LED of the Ethernet module

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in the standby system in Transfer Setup.... More Details >>

How to read device data and file registers in Q series

Specify the target memory in the Read from PLC window and execute reading. More Details >>

Boot operation from the standard ROM

The boot operation from the standard ROM is not possible.The program memory of universal model QCPU is a flash ROM.Thus, writing in the program memory achiev... More Details >>

Using Q series terminal blocks and connectors with MELSEC iQ-R series modules

You can use a Q series 18-point screw terminal block with a MELSEC iQ-R series terminal block type I/O module or analog module. For a 40-pin connector type ... More Details >>

Regarding features of EtherNet/IP Communication

Class1 communication sends and receives data at regular intervals. It is mainly used for I/O communication and motion control between PLC and sensor. Class... More Details >>

Regarding signs of VAL Instructions

The sign is required in the VAL instruction and cannot be ignored. More Details >>

Regarding the input circuit wiring of the FX5 CPU module

Yes. There is no problem using an external power supply for the input circuit of the FX5 CPU module. More Details >>