External power supply for input(MELSEC-F)

For the MELSEC-F series, only DC power supply type can use an external power supply. More Details >>

Regarding selection of FX3 intelligent function modules on the module configuration diagram of GX Works3

The FX3 intelligent function modules cannot be selected from the Element selection window because it does not correspond to the parameter setting of GX Works... More Details >>

Battery replacement

Make sure to turn off the power of the programmable controller before replacing the battery. Replacing the battery while the power of the programmable con... More Details >>

Local devices

Local devices are devices which can be independently used for each program.When multiple independent programs are executed, using local devices allows progra... More Details >>

Usage of PIDCONT instruction in process CPU

No. More Details >>

Device comment

Those displayed under COMMENT are common comments, and others are program comments.When there are multiple programs in a project, a common comment applies to... More Details >>

Battery replacement for universal model QCPU

The contents of the standard RAM and latch devices are not erased if the battery replacement is completed within three minutes, which is the backup power tim... More Details >>

Battery life in the universal model QCPU

It depends on the model of the CPU module, the amount of battery consumption, and the power-on time ratio. Example) For Q06UDHCPU with power-on time ratio... More Details >>

MC protocol compatibility of the built-in Ethernet port

The built-in Ethernet port is not compatible with a 4E frame. Use a QnA-compatible 3E frame. More Details >>

CC-Link signals checked when an error occurs

Check the following signals.- Module error signal : X0- Host data link status signal: X1- Other station data link status signal: X3 More Details >>