LCPU built-in Ethernet port setting when using the simple PLC communication function

The following settings are required for the "Open Setting" for the number of connected external devices.- Protocol: "UDP"- Open System: "MELSOFT connection" More Details >>

Pulse width with which the QX42 recognizes all pulses

Maximum scan time (10 ms) + Response time (10 ms) = Pulse width with which the module recognizes all pulses (20 ms) More Details >>

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 >>

NTP compatibility of the SNTP function of a built-in Ethernet port QCPU

Because NTP is compatible with SNTP, you can use an NTP server for the time setting. More Details >>

How to check the capacity of the file registers in use

The capacity file registers currently have can be checked in the file register setting section ([PLC Parameter] -> [PLC File] tab). More Details >>

How to check errors with error codes of QD75

Errors can be checked with the following error detection signals and buffer memory areas corresponding to each axis.- Axis 1 Error detection X8 Buffer memor... 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 >>

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 >>

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 >>

How to display local comments in GX Works2

In the "Reference/Reflection Target for Device Comment" window, switch the "Specify the Reference/Reflection" from "Global" to "Local". More Details >>