Data communications between programmable controllers

Any data can be sent and received if the socket communication function instructions are used. More Details >>

Battery-less operation

Uncheck "Check battery", an item of "Error Check", in the [PLC RAS setting] ([PLC Parameter] -> [PLC RAS setting]). More Details >>

Help window not displayed

This occurs because software required to display the Help window is not installed as standard in Windows7. Download the Windows Help program (WinHlp32.exe) f... More Details >>

Fixed buffer data area

The fixed buffer data areas in the buffer memory are used for communication for FROM/TO instructions. The areas used in communication for FROM/TO instruction... More Details >>

Production of Q61P-A1 and Q61P-A2

They have gone out of production. However, Q61P, a succeeding model, can be used in the same way. More Details >>

Software required for MX Sheet

MX Component and EXCEL are required. More Details >>

COMMENT to disappear after a PLC type change

Copy the COMMENT into the MAIN of comments by program before changing the PLC type.The basic model QCPU cannot deal with common comments. More Details >>

Returning to the overwrite mode in GX Developer

Press the INSERT key. More Details >>

Socket communication with the built-in Ethernet port of a CPU module

The communication between programmable controllers can be established using the socket communication function instructions. More Details >>

Memory allocation for online change

The scan time may be substantially longer. Continue the operation if there is no problem with the longer scan time. More Details >>