Scan time displayed on GX Works2 is the maximum scan time of the monitor target programmable controller CPU. To check c

1. Data backup using an optional battery Built-in RAM data and clock data of a programmable controller are held by usi

Possible causes are as follows.(1) Another master station exists on the same line.(2) Noise is detected on the line at p

The resistance value is 110 ohm, 1/2 W.

The input method for statements, either "PLC" or "Peripheral", makes a difference. - If "PLC" is set for statements,

All the components other than comments in Japanese are supported. Ladder programs and parameters can be used as they are

The bits 0 to F of the special register SD1286 (Receive state signal) correspond to the connection numbers 1 to 16. When

When the protocol is set to TCP, KeepAlive check is performed. (Checking for a response to KeepAlive ACK message) An ali

The built-in Ethernet port in the L series is compatible only with the QnA-compatible 3E frame. The 4E frame is not supp

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

191-200 of Total 1010

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Scan time while operation of a programmable controller CPU is being monitored using GX Works2

Scan time displayed on GX Works2 is the maximum scan time of the monitor target programmable controller CPU. To check current scan time, monitor the data in... More Details >>
- No：24779
- Release Date：2019/02/27 15:58
- Category： MELSEC-F Series , Engineering Software , Main Unit
Types of data backup methods (FX3G series)

1. Data backup using an optional battery 　Built-in RAM data and clock data of a programmable controller are held by using an optional battery. 　The life of... More Details >>
- No：24701
- Release Date：2019/02/27 08:59
- Category： MELSEC-F Series , Engineering Software , Main Unit , Accessories
Duplication error in a CC-Link master station

Possible causes are as follows.(1) Another master station exists on the same line.(2) Noise is detected on the line at power on. More Details >>
- No：23044
- Release Date：2018/09/03 17:31
- Category： Network related products
Terminating resistors for RS-485 communication of QJ71C24N

The resistance value is 110 ohm, 1/2 W. More Details >>
- No：22978
- Release Date：2018/09/03 17:31
- Update：2018/10/03 15:48
- Category： Network related products
Statements of GX Works2 and the scan time

The input method for statements, either "PLC" or "Peripheral", makes a difference. - If "PLC" is set for statements, they are written into the program mem... More Details >>
- No：22856
- Release Date：2018/09/03 17:30
- Update：2018/09/22 14:18
- Category： Engineering Software
Compatibility between the Japanese and English versions of GX Developer

All the components other than comments in Japanese are supported. Ladder programs and parameters can be used as they are, whether or not they are created usi... More Details >>
- No：22848
- Release Date：2018/09/03 17:30
- Category： Engineering Software
MX Component Version 4's compatibility with 64-bit Windows 7

Yes. More Details >>
- No：22844
- Release Date：2018/09/03 17:30
- Category： Engineering Software
SD1286 of LCPU with built-in Ethernet port

The bits 0 to F of the special register SD1286 (Receive state signal) correspond to the connection numbers 1 to 16. When it receives data, the corresponding ... More Details >>
- No：22786
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
Alive check for built-in Ethernet port LCPU

When the protocol is set to TCP, KeepAlive check is performed. (Checking for a response to KeepAlive ACK message) An alive check message is sent five seconds... More Details >>
- No：22782
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
Use of 4E frame for built-in Ethernet port of LCPU

The built-in Ethernet port in the L series is compatible only with the QnA-compatible 3E frame. The 4E frame is not supported. More Details >>
- No：22761
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series

191-200 of Total 1010

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