CD terminal setting of the QJ71C24N

"The CD terminal is not checked" has been set by default. More Details >>

How to check the error history of the QJ71C24N with GX Developer

You can check the error history in the module detailed information in the system monitor of GX Developer. More Details >>

Data length for fixed buffer data communications by QJ71E71

The units of send data and receive data are shown below. - Fixed buffer data communications with the "Procedure Exist" control method: Words - Fixed buff... More Details >>

32-bit data assurance

To assure 32-bit data, "Network Range Assignment" of the control station must satisfy the following conditions.(1) The start device No. of LB is a multiple o... More Details >>

Applicable size for plug-in connector socket block on QJ71C24N-R4

Use the plate terminal packaged with the module. The size of the plate terminal is 1.0 mm wide with a thickness of 0.8 mm. More Details >>

Connecting QJ71C24N to an external device that has no DTR signal

Carry out DTR and DSR wiring that returns signals on QJ71C24N(-R2). More Details >>

Setting required to skip CC-Link slave station numbers

A CC-Link slave station number can be skipped by assigning the skipped number to a reserved station. A reserved station is counted as one of all the connecte... More Details >>

Effect on sequence scans in MELSECNET/H networks

It is necessary to reduce the link refresh time of the MELSECNET/H network in order to reduce the scan time. The link refresh time can be reduced by reducin... More Details >>

CC-Link master module settings

If each master module controls their own CC-Link networks, all master modules can be set as station 0 even though they are controlled by the same CPU. More Details >>

Intelligent Buffer Select of the CC-Link parameter

Set the size of buffer memory used for transient transmission (by dedicated instructions) to local stations, the standby master station, and intelligent devi... More Details >>