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 >>

Remedy for the division-related operation error

The operation error occurs when the divisor is 0.Create a program in which a comparison operation instruction or another method executes a division instructi... More Details >>

How to check automatically assigned devices in GX Works2

Click the local label to be checked and select "Cross Reference" from the right-click menu to check the devices. More Details >>

Detecting the connection between a built-in Ethernet port QCPU and hub

You can check the connection to the hub with bit 10 of the special register SD1288. When bit 10 of the SD1288 is on, the QCPU is in connection with the hub. More Details >>

Pulse width with which the QX42 recognizes all pulses

Maximum scan time (10 ms) + Response time (10 ms) = Pulse width with which the module recognizes all pulses (20 ms) More Details >>

Simultaneous use of simple PLC communication function and socket communication

The socket communication can be used simultaneously with the simple PLC communication function. More Details >>

LCPU built-in I/O function

The built-in I/O functions are standard functions of the L series CPU. Combining these functions flexibly achieves various controls with lower cost, eliminat... More Details >>

Accessing a QnA compatible Ethernet interface module via a router using GX Developer

For GX Developer, a connection via a QnA compatible Ethernet interface module allows communication only within the same segment. Via a router, it is impossib... More Details >>

Copying statements and notes of GX Developer

Notes and statements are batch managed in the program file. It is impossible to copy notes and statements alone. More Details >>

Creating function blocks

The number of FB definitions created in a project has no limitation. More Details >>