Open setting of the built-in Ethernet port QCPU

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

Software required for MX Sheet

MX Component and EXCEL are required. More Details >>

Resolution provided for Q64AD/Q68ADV/Q68ADI

The maximum resolution for the user range setting does not change. More Details >>

Using the automatic communication function and dedicated instructions at the same time in MODBUS (R) interface module (QJ71MB91)

The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on the same channel. However, when the... More Details >>

How to read device data and file registers in Q series

Specify the target memory in the Read from PLC window and execute reading. More Details >>

Using Structured Text in GX Works2 simple projects

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

Duplicated coil error

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

Inter-module synchronization function of MELSEC iQ-R series

The inter-module synchronization function synchronizes the timing to control signals of multiple modules. This function synchronizes the input or output tim... More Details >>

Database function of the MELSEC iQ-R series

You can manage tabular data including product information and production information as a database in a programmable controller. By accessing the database w... More Details >>