Change the program using the following method.Write the label program to the programmable controller CPU and perform PLC

The difference is I/O numbers used for input and output (XY). QH42P uses the same I/O numbers both for input and output.

It is used for switching between Sink/Source input. For sink input wiring, connect with "24V" terminal and short-circuit

They can be used together. * 14/24-point type FX3G series main unit ･ An expansion board can be connected to BD1 (1st po

A comparison result is held even after the command input turns off. The remaining comparison result can be cleared by us

Follow the procedure below.(1)Eliminate the error cause.(2) Store the error code to be cleared in SD50.(3)Turn OFF and O

RS-232 is selected as PC side I/F in Transfer Setup of GX Developer or GX Works2.Change the setting in PC side I/F to US

Check the serial number of the built-in Ethernet port QCPU in use. The Built-in Ethernet port QCPU modules with serial n

The FX5 CPU module does not support EtherCAT communication. There are no products in the FX series or iQ-F series that s

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FAQ within [ Controllers ]

41-50 of Total 1123

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Label programs in GX Works2

Change the program using the following method.Write the label program to the programmable controller CPU and perform PLC read for the parameters and the prog... More Details >>
- No：22603
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Difference between QH42P and QX41Y41P

The difference is I/O numbers used for input and output (XY). QH42P uses the same I/O numbers both for input and output. QX41Y41P uses sequential I/O numbers... More Details >>
- No：22539
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
Regarding the "S/S" terminal.

It is used for switching between Sink/Source input. For sink input wiring, connect with "24V" terminal and short-circuit the "0V" and "input X***". For sou... More Details >>
- No：22286
- Release Date：2018/08/30 13:55
- Update：2022/12/22 09:39
- Category： MELSEC iQ-F Series , CPU Module , I/O Module
Connection of expansion boards and a display module to FX3G series main unit

They can be used together. * 14/24-point type FX3G series main unit ･ An expansion board can be connected to BD1 (1st position) and a display module can be... More Details >>
- No：24985
- Release Date：2019/04/23 07:22
- Category： MELSEC-F Series , Main Unit
Comparison result of the CMP instruction

A comparison result is held even after the command input turns off. The remaining comparison result can be cleared by using the RST or ZRST instruction. More Details >>
- No：24692
- Release Date：2019/02/27 08:56
- Category： MELSEC-F Series
How to clear errors

Follow the procedure below.(1)Eliminate the error cause.(2) Store the error code to be cleared in SD50.(3)Turn OFF and ON SM50.(4) The error is cleared. More Details >>
- No：22613
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
When the message "An unusable COM port was specified" is displayed

RS-232 is selected as PC side I/F in Transfer Setup of GX Developer or GX Works2.Change the setting in PC side I/F to USB. More Details >>
- No：22517
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
Use of an A-compatible 1E frame for the built-in Ethernet port of the built-in Ethernet port QCPU

Check the serial number of the built-in Ethernet port QCPU in use. The Built-in Ethernet port QCPU modules with serial numbers with upper 5 digits of "13102"... More Details >>
- No：22676
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Regarding EtherCAT Communications

The FX5 CPU module does not support EtherCAT communication. There are no products in the FX series or iQ-F series that support EtherCAT communication. More Details >>
- No：39313
- Release Date：2023/02/14 08:54
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Assignment of direction signals during positioning

Any number can be assigned. More Details >>
- No：24975
- Release Date：2019/04/23 07:20
- Category： MELSEC-F Series , Main Unit , Positioning Control

41-50 of Total 1123

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