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 >>

Specifying the number of digits in the Structured Text

For actual bit devices, the number of digits can be specified. For labels, the number of digits cannot be specified. More Details >>

Sampling cycle of L60TCTT4(BW) and L60TCRT4(BW)

It is selectable from the following. - 500 ms/4 channels (Default)- 250 ms/4 channels More Details >>

How to use PWM output of LCPU built-in I/O

Set the PWM output-on-width and the PWM output cycle, and then execute a dedicated instruction "ICPWM instruction". More Details >>

Turning OFF the power with the battery error occurring

The error history will be deleted. More Details >>

Data communications between programmable controllers

Any data can be sent and received if the socket communication function instructions are used. More Details >>

How to copy a sheet used by MX Sheet

Always change the name of the Excel sheet on which MX Sheet is set in the "Change Sheet Name" dialog box.If the sheet name is changed in the Excel sheet dire... More Details >>

Setting of "Target MODBUS(R) device head number"

Set "(Last five digits of actual device number) - 1" for the Target MODBUS(R) device head number.Example) For the holding register 400018, set "17". 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 >>

COMMENT to disappear after a PLC type change

Copy the COMMENT into the MAIN of comments by program before changing the PLC type.The basic model QCPU cannot deal with common comments. More Details >>