Regarding the "S/S" terminal.

It is used for switching between Sink/Source input. For sink input wiring, connect with "24V" terminal and short-circuit the "0V" and "input X***". For sou... More Details >>

Difference between QH42P and QX41Y41P

The difference is I/O numbers used for input and output (XY). QH42P uses the same I/O numbers both for input and output. QX41Y41P uses sequential I/O numbers... More Details >>

Label programs in GX Works2

Change the program using the following method.Write the label program to the programmable controller CPU and perform PLC read for the parameters and the prog... More Details >>

Error code "2200" in the High-Performance model QCPU

The error code "2200" is "MISSING PARA.". It may be determined as the cause of the error that there is no parameter file in the parameter-valid drive that h... More Details >>

Use of latched (battery backed) type auxiliary relay

If the OUT instruction using a latched (battery backed) type auxiliary relay number exists in a sequence program, the information held may be overwritten by ... More Details >>

Regarding the communication execution status output device for ADPRW instructions

It does not turn OFF automatically. Use the RST command in the program to turn it OFF. More Details >>

Speeds of access to file registers

If file registers are registered in the standard RAM and "R" is specified by an instruction, the processing time is the same as is the case with the internal... More Details >>

MC protocol response messages

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

BUSY signal

No. The motors' operation is not completely linked to ON/OFF timing of the BUSY signals.BUSY signal is turned ON when the controller starts sending commands ... More Details >>

Current value of the battery voltage in the FX3U/FX3UC series

The current value of the battery voltage is stored in the special data register D8005 (battery voltage). More Details >>