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 >>

Behavior of sequence program in event of momentary power failure in QCPU

(1) When a momentary power failure occurs for a period not longer than the allowable momentary power failure time When the momentary power failure occurs, t... More Details >>

FL-net interface module setting

The auto refresh setting is not required. However, making the setting can reduce communication programs. More Details >>

Capacity setting of file registers

Set 96K points. (1K point = 1024 points) More Details >>

Cables for CPU modules

The following Diatrend cable can be used.- DQ-U2 More Details >>

CPU modules that support the File Register Extended Setting

The universal model QCPU modules other than Q00UJCPU support the File Register Extended Setting. More Details >>

Software required for MX Sheet

MX Component and EXCEL are required. More Details >>

How to change the type of statement in GX Developer

Select [Search/Replace] -> [Replace statement/note type] from the menu and select "Change in PLC". 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 >>

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 >>