Programing example of heating/cooling control

The following shows an example of heating/cooling control using split control. * For details, refer to the "Programmable Controllers MELSEC PROC... 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 >>

How to suppress the instability of digital-converted output values

(1) Use separate cables for the AC control circuit and the external input signals of an analog input module to avoid the influence of the AC side surges an... More Details >>

MC protocol response messages

There are no settings for deleting the network number and PC number. More Details >>

Necessity for MX Component when MX Sheet is used

Yes.You can also purchase MX Works, a set of MX Sheet and MX Component. More Details >>

A/D conversions performed by Q64AD/Q68ADV/Q68ADI

(1) Sampling processing - Without the temperature drift compensation function Processing time = Number of channels usedx 80 (us/1 channel) - With the t... More Details >>

How to specify intelligent function module devices

For "U**", set the first two digits of the start I/O number of an intelligent function module in three-digit representation.Example) For X/Y1F0, set "U1F". More Details >>

Error code "2200" in the High-Performance model QCPU

The error code "2200" is "MISSING PARA.". It may be determined as the cause of the error that there is no parameter file in the parameter-valid drive that h... More Details >>

Whether or not device indirect specifications in structured ladder programs are allowed

Indirect specifications with "＠" cannot be used in structured ladder programs and the Structured Text. Use indirect specifications in a ladder language program. More Details >>

Update timing of QD75 current feed value and machine feed value

The values are updated at the timing described below.- Current feed value: 1.8 ms- Machine feed value: 56.8 ms More Details >>