Communication between CPU modules established by QJ71E71

The communication between QJ71E71 series modules can be established if READ/WRITE instructions are used. More Details >>

Using a FROM/TO instruction after AJ71UC24 is replaced with QJ71C24N

I/O signals and buffer memory addresses need to be changed but data communications can be conducted using a FROM/TO instruction and X/Y signals. More Details >>

Read and write operations for CC-Link buffer memory

There is no problem in writing/reading data into/from the buffer memory using a FROM/TO instruction with the refresh device setting left blank.The refresh de... More Details >>

Connecting the CC-Link IE Field Network with a personal computer

To pursue high speeds, the CC-Link IE Field Network applies a communication control method different from that applied to the Ethernet communication for pers... More Details >>

Device numbers set in the initial setting procedure registration window of the CC-Link remote device station

You do not have to change the device numbers for each station number in the initial setting procedure registration window. Example) When the AJ65SBT2B-64A... More Details >>

Duplicated coil errors that can be checked with GX Works2

When an SET instruction and RST instruction use a single device, no duplicated coil error is detected. More Details >>

Operation performed when file registers are read

Checking "Device Memory" does not read file registers. Switch the Target Memory for "PLC Data" to "Standard RAM" and check "File Register" in the Read from P... 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 >>

Number of records in LCPU logging function

It is the number of data collected before and after a trigger occurrence. More Details >>

Battery model

Q6BAT. More Details >>