Open setting of the built-in Ethernet port QCPU

No.It is necessary to configure one port to use the MELSOFT connection. More Details >>

Clock function accuracy

It means that in an ambient temperature of 25 degrees Celsius, an error per day falls within the range of "delay of 2.57s" to "advance of 5.27s". "TYP.+2.22... More Details >>

Cost of runtime licenses for VxWorks

The cost is included in the price of C Controller modules. Extra payment is not required. More Details >>

Recommended cables for the MODBUS(R) interface module QJ71MT91

For 100BASE-TX, shielded twisted pair cables (STP cables) with category 5 can be used.For 10BASE-T, Straight and unshielded twisted pair cables (UTP cables) ... More Details >>

Communication between the Ethernet port on the universal model QCPU and the built-in Ethernet port on the LCPU

The communication can be established using the following methods. - Using the socket communication function of both CPU modules - Using the simple PLC comm... More Details >>

Deleting GX Developer when installing GX Works2

GX Developer does not need deleting when GX Works2 is installed. 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 >>

Cross cable connections

We do not guarantee the operation of a system that involves cross cable connections. 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 >>

Communication between Ethernet and FL-net

The communication between the Ethernet interface module and FL-net (OPCN-2) interface module cannot be established. More Details >>