Recommended cables for MODBUS(R) interface module QJ71MB91

The RS-232 cable should meet RS-232 standards and not exceed 15 m in length.The RS-422/485 cable should meet specifications described in the following manual... 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 >>

Cause of file register reset by latch clear operation in universal model QCPU

If Latch (1) is set in the device setting of PLC parameter, the contents of file registers are cleared by latch clear operation. Set Latch (2) to maintain t... 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 >>

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 >>

FNC connector pin layout in L series I/O module and Q series I/O module

Yes. They have the same pin layout. More Details >>

Battery model

Q6BAT. More Details >>

Removal of SD memory card during logging in L series

An error will occur in CPU. 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 >>

CW Workbench

CW Workbench is an engineering tool for C Controller modules that provides basic functions from edits to compilation/debugging.Using CW Workbench, applicatio... More Details >>