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

The USB driver is not installed.The driver needs to be separately installed before the first connection to a CPU module.

In the "Reference/Reflection Target for Device Comment" window, switch the "Specify the Reference/Reflection" from "Glob

The maximum number of steps that an online change can process at a time is 512.

GX Configurator-MB does not need to be purchased. Parameters can be set using GX Works2 alone.

The following shows an example of heating/cooling control using split control. * For details, refer to the

This problem occurs because the consecutive free memory space for temporarily storing the program during online change i

File registers "R" use the block switching method. The number of file register points used are divided and specified in

Create common comments and comments by program in respective languages.The device comments can be switched in [Options]

It is necessary to install a development environment (Tornado or Wind River Workbench) and set parameters using the Se

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FAQ within [ MELSEC-Q Series ]

171-180 of Total 213

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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
GX Works2's USB driver installation procedure

The USB driver is not installed.The driver needs to be separately installed before the first connection to a CPU module. More Details >>
- No：22507
- Release Date：2018/09/03 17:28
How to display local comments in GX Works2

In the "Reference/Reflection Target for Device Comment" window, switch the "Specify the Reference/Reflection" from "Global" to "Local". More Details >>
- No：22630
- Release Date：2018/09/03 17:29
The numbers of POUs and steps of "Allocate Memory for 'Online Change'" in GX Works2

The maximum number of steps that an online change can process at a time is 512. More Details >>
- No：22672
- Release Date：2018/09/03 17:29
GX Configurator-MB for the MODBUS(R) interface module

GX Configurator-MB does not need to be purchased. Parameters can be set using GX Works2 alone. More Details >>
- No：22701
- Release Date：2018/09/03 17:29
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 >>
- No：22719
- Release Date：2018/09/03 17:29
- Update：2018/09/21 15:43
When a message indicating that "the memory space is insufficient" appears during online change

This problem occurs because the consecutive free memory space for temporarily storing the program during online change is insufficient. In this case, perform... More Details >>
- No：22722
- Release Date：2018/09/03 17:29
Difference between R and ZR

File registers "R" use the block switching method. The number of file register points used are divided and specified in units of 32k points. When multiple ... More Details >>
- No：22512
- Release Date：2018/09/03 17:28
- Update：2018/09/20 13:29
Creating comments both in English and in Japanese

Create common comments and comments by program in respective languages.The device comments can be switched in [Options] -> [Tool]. More Details >>
- No：22546
- Release Date：2018/09/03 17:28
Procedure for developing programs

It is necessary to install a development environment (Tornado or Wind River Workbench) and set parameters using the Setting/monitoring tools for the C Cont... More Details >>
- No：22600
- Release Date：2018/09/03 17:29
- Update：2018/09/21 18:52

171-180 of Total 213

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