Difference between FL-net interface modules QJ71FL71-T and QJ71FL71-T-F01

- QJ71FL71-T is a product which supports FL-net (OPCN-2) Version 1.00.- QJ71FL71-T-F01 is a product which supports FL-net (OPCN-2) Version 2.00.Since Version... More Details >>

Returning to the overwrite mode in GX Developer

Press the INSERT key. More Details >>

Whether or not totem pole output type encoders are connected

Totem pole output encoders cannot be connected to QD62.The following types of encoders can be connected.- Open collector output type encoders- CMOS level vol... More Details >>

How to change the type of statement in GX Developer

Select [Search/Replace] -> [Replace statement/note type] from the menu and select "Change in PLC". 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 >>

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 >>

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 >>

Sample comment of GX Works2

It includes sample comments for special relay/special register and the intelligent function module. On the menu of GX Works2, select [Edit] -> [Import ... More Details >>

The numbers of POUs and steps of "Allocate Memory for 'Online Change'" in GX Works2

The maximum number of steps that an online change can process at a time is 512. More Details >>

Setting of "Target MODBUS(R) device head number"

Set "(Last five digits of actual device number) - 1" for the Target MODBUS(R) device head number.Example) For the holding register 400018, set "17". More Details >>