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

Indirect specifications with "＠" cannot be used in structured ladder programs and the Structured Text. Use indirect spec

MX Component Version 3.15R or later supports 64-bit Windows 7.

(1) When a momentary power failure occurs for a period not longer than the allowable momentary power failure time W

Intelligent function module settings can be made using GX Works2 alone.GX Works2 provides functions equivalent to variou

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

They have gone out of production. However, Q61P, a succeeding model, can be used in the same way.

We do not guarantee the operation of a system that involves cross cable connections.

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

Open the copy destination project in GX Developer.From the menu, select [Project] -> [Copy], specify the copy source

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FAQ within [ MELSEC-Q Series ]

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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
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 >>
- No：22697
- Release Date：2018/09/03 17:29
MX Component Version 3's compatibility with 64-bit Windows 7

MX Component Version 3.15R or later supports 64-bit Windows 7. More Details >>
- No：22520
- Release Date：2018/09/03 17:28
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 >>
- No：22587
- Release Date：2018/09/03 17:29
- Update：2018/09/20 17:41
Intelligent function module settings in GX Works2

Intelligent function module settings can be made using GX Works2 alone.GX Works2 provides functions equivalent to various GX Configurator series functions.Fo... More Details >>
- No：22593
- Release Date：2018/09/03 17:29
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 >>
- No：22627
- Release Date：2018/09/03 17:29
Production of Q61P-A1 and Q61P-A2

They have gone out of production. However, Q61P, a succeeding model, can be used in the same way. More Details >>
- No：22655
- Release Date：2018/09/03 17:29
Cross cable connections

We do not guarantee the operation of a system that involves cross cable connections. More Details >>
- No：22679
- Release Date：2018/09/03 17:29
Data communications between programmable controllers

Any data can be sent and received if the socket communication function instructions are used. More Details >>
- No：22702
- Release Date：2018/09/03 17:29
Copying device comments in GX Developer

Open the copy destination project in GX Developer.From the menu, select [Project] -> [Copy], specify the copy source project, and check the device comment... More Details >>
- No：22519
- Release Date：2018/09/03 17:28

1-10 of Total 213

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