Boot file setting of the QnUDVCPU

No. You cannot use an SRAM card, ATA card, or Flash card. Specify an SD memory card as the transfer source (boot source). More Details >>

Parameter settings required to use the MODBUS(R) interface module as a slave station

If preset initial values are used, parameters do not need setting.If changing the basic parameter or MODBUS(R) device assignment parameter, use a sequence pr... More Details >>

How to read comments in the standard ROM with GX Works2

Select [Target Memory] -> [Standard ROM] in the Read from PLC window. More Details >>

GX Developer's compatibility with 32-bit Windows 7

GX Developer Version 8.91V or later supports 32-bit Windows 7. More Details >>

Simulation function not started

The simulation function utilizes the standard TCP/IP communication provided by Microsoft Corporation. A communication capability of software of another make... More Details >>

Difference between redundant systems and the multiple CPU systems

- Redundant systems A redundant system offers improved system reliability, as it consists of two basic systems, each of which includes a CPU module, powe... 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 >>

Using Structured Text in GX Works2 simple projects

Select "Use Label" in the New Project window. More Details >>

GX Simulator in GX Works2 disk

The simulation function is included in GX Works2.For more details of the functions of GX Work2, refer to GX Works2 Version 1 Operating Manual (Common). More Details >>

Overhead time before and after the startup of an interrupt program with a MELSEC iQ-R series CPU module

Although it depends on interrupt factors, the overhead time before startup becomes 10.8 to 23.8 [us] and the time after startup becomes 6.5 to 17.4 [us]. More Details >>