Models from the FX programmable controllers that support the extended register (R)

The following models from the FX3 series support the extended register (R). FX3U/FX3UC series: R0-R32767, FX3G series: R0-R23999 More Details >>

How to make the expanded cyclic setting for CC-Link local stations

Make the expanded cyclic setting for a CC-Link local station using the programming tool, GX Developer or GX Works2. Follow the procedure below. (1) Set th... 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 >>

Regarding the communication speed of FX5-CCLGN-MS

The FX5-CCLGN-MS firmware version 1.010 or later supports a communication speed setting of 100 Mbps. More Details >>

Using a fixed latched (battery backed) type device as a general type device

Clear the required area with the ZRST instruction by using the initial pulse when the programmable controller is set to RUN. To clear all the latched type de... More Details >>

Access to a GOT

It is impossible to access the GOT via a universal model QCPU module. More Details >>

Index modification when using extended data register in LCPU

It is not possible to specify index modification to cross over the boundary between the internal user device (D) and the extended data register (D). Change t... More Details >>

Alive check for built-in Ethernet port LCPU

When the protocol is set to TCP, KeepAlive check is performed. (Checking for a response to KeepAlive ACK message) An alive check message is sent five seconds... More Details >>

Q series device data held in the case of a power failure

The data in the devices assigned to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> [Device Setting] window) is held when a pow... More Details >>

Fixed scan execution type (program setting item)

A fixed scan execution type program is a program executed at specified time intervals. This type of programs, unlike interrupt programs, can be interrupted i... More Details >>