Duplicated coil error

The duplicated coil error is detected when SET instruction and RST instruction use the same device. More Details >>

VxWorks

It is an embedded RTOS (real-time OS) developed by Wind River, which is proven worldwide as reliable and stable.The version of the operation system installed... More Details >>

Boot operation from the standard ROM

The boot operation from the standard ROM is not possible.The program memory of universal model QCPU is a flash ROM.Thus, writing in the program memory achiev... More Details >>

How to turn OFF the "COM.ERR" LED of the Ethernet module

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in the standby system in Transfer Setup.... More Details >>

Auto refresh setting in GX Configurator -MB

Auto refresh setting is for storing the buffer memory data of a MODBUS (R) interface module to specified devices of a CPU module and for storing device data ... More Details >>

Sample comment of GX Works2

It includes sample comments for special relay/special register and the intelligent function module. On the menu of GX Works2, select [Edit] -> [Import ... More Details >>

Reading and writing bits/words using the FL-net (OPCN-2) interface module

The parameters and auto refresh settings for the FL-net (OPCN-2) interface module cannot be made using the Network Parameter items in GX Developer.Set those ... More Details >>

Cables for CPU modules

The following Diatrend cable can be used.- DQ-U2 More Details >>

Memory allocation for online change in GX Works2

The capacity of parameters and programs subtracted from the program capacity for the CPU type in use equals the size of the maximum number of steps. More Details >>

Communication between CPUs via built-in Ethernet port in LCPU

The following communication methods are available between the built-in Ethernet ports in the L series CPUs.- Simple PLC communication function- Socket commun... More Details >>