An input and output use a single I/O number. (This is the same as QH42P.) When you replace a module that uses serial I/O

The MELSEC iQ-R series CPU module has "IP filter function" and "remote password function" as security functions. With th

Select "Use Label" in the New Project window.

Connect with a straight cable using a hub. For more details, refer to the following manual. - FL-net (OPCN-2) Interface

The operation error occurs when the divisor is 0.Create a program in which a comparison operation instruction or another

When an ACPU module is replaced with a QCPU module, programs for the ACPU module can be used by changing the PLC type in

The clock setting of the CPU module is set automatically in accordance with the clock data collected from the time infor

The LCPU connector terminals can be used as terminals for built-in I/O function. The setting of the built-in I/O functio

When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back

The slave stations cannot be assigned to X/Y numbers. Use the auxiliary relay M.

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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FAQ within [ Programmable Controllers MELSEC ]

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I/O numbers of a MELSEC iQ-R series I/O combined module (RH42C4NT2P)

An input and output use a single I/O number. (This is the same as QH42P.) When you replace a module that uses serial I/O numbers (e.g. QX41Y41P) with this m... More Details >>
- No：22471
- Release Date：2018/09/03 17:28
- Update：2018/09/19 13:57
- Category： MELSEC iQ-R Series
How to prevent unauthorized access to MELSEC iQ-R series CPU modules via a network

The MELSEC iQ-R series CPU module has "IP filter function" and "remote password function" as security functions. With the "IP filter function", you can set ... More Details >>
- No：22478
- Release Date：2018/09/03 17:28
- Update：2018/09/19 14:58
- Category： MELSEC iQ-R Series
Using Structured Text in GX Works2 simple projects

Select "Use Label" in the New Project window. More Details >>
- No：22562
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Cable used for FL-net

Connect with a straight cable using a hub. For more details, refer to the following manual. - FL-net (OPCN-2) Interface Module User's Manual More Details >>
- No：22574
- Release Date：2018/09/03 17:29
- Update：2018/09/20 16:55
- Category： MELSEC-Q Series
Remedy for the division-related operation error

The operation error occurs when the divisor is 0.Create a program in which a comparison operation instruction or another method executes a division instructi... More Details >>
- No：22691
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Compatibility between the A series modules and Q series modules

When an ACPU module is replaced with a QCPU module, programs for the ACPU module can be used by changing the PLC type in GX Developer. However, the programs ... More Details >>
- No：22696
- Release Date：2018/09/03 17:29
- Update：2018/09/21 14:21
- Category： MELSEC-Q Series
CPU clock setting by SNTP functions via built-in Ethernet port in LCPU

The clock setting of the CPU module is set automatically in accordance with the clock data collected from the time information server (SNTP server) on the LAN. More Details >>
- No：22736
- Release Date：2018/09/03 17:29
- Category： MELSEC-L Series
How to use LCPU connector terminals

The LCPU connector terminals can be used as terminals for built-in I/O function. The setting of the built-in I/O function can be configured with the paramete... More Details >>
- No：22796
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
Receiving back (echoing back) the same data sent from QJ71C24N

When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back to RDA or RDB, we call it echo back. ... More Details >>
- No：23000
- Release Date：2018/09/03 17:31
- Update：2018/09/25 17:44
- Category： Network related products
Bit assignment of CC-Link

The slave stations cannot be assigned to X/Y numbers. Use the auxiliary relay M. More Details >>
- No：24982
- Release Date：2019/04/23 07:21
- Category： MELSEC-F Series , Network/Communication

531-540 of Total 1023

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