Interrupt period setting of fixed scan interrupts of MELSEC iQ-R series

You can configure the setting in "Interrupt Setting from Internal Timer" of the CPU parameter. <Interrupt period setting> [Navigation Window]-> ... More Details >>

Communication between CPU modules established by QJ71E71

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

Program by program difference in comments on display

There are two types of device comments: "global device comment" and "local device comment". Device comments can be displayed in the ladder editor and Zoom... More Details >>

How to write comments of GX Works2 into the standard ROM

Switch the Target Memory to "Standard ROM" in the "Write to PLC" window. More Details >>

Reading file registers simultaneously with the program, parameters, and other data in GX Works2

No. Switch the target memory for PLC Data and read the file registers alone. More Details >>

Reading project data from a CD-R

To reopen project data written to a CD-R, copy the project data into a space such as a hard disk on the personal computer where the project data is used.This... More Details >>

Opening a Structured Text program in GX Developer

Install the latest version again. Check "Structured Text (ST) Language Programming Function" and install it. More Details >>

Writing LJ71C24 modules' parameters using GX Works2

The switch setting is written when CPU module's parameters are written. The settings of "Various Control Specifications" are written when intelligent functio... More Details >>

Number of remote registers assigned to a remote I/O station

For "Remote Net(Ver.2 Mode)", the number of remote I/O's remote registers (RWw, RWr) is "0 Point". More Details >>

Terminating resistors for RS-485 communication of LJ71C24

The resistance value is 110 ohm, 1/2 W. More Details >>