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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding Input Response Frequency Difference between FX5-2HC/ES and Conventional Model (FX3U-2HC)
The input response frequencies of the FX5-2HC/ES and FX3U-2HC differ as shown below. FX5-2HC/ES・・・2MHz FX3U-2HC・・・200kHz More Details >>
- No:44340
- Release Date:2024/03/20 13:31
- Category: MELSEC iQ-F Series , High-Speed Counter
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Regarding QoS, Retain, Will, and Clean Session Functions for MQTT Communications
The QoS, Retain, Will, and Clean Session functions of the MQTT communication function can not be configured in buffer memory. Module FB: M+FX5ENET. QoS ca... More Details >>
- No:40053
- Release Date:2023/08/25 09:21
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding how to back up FX5-4LC
Some buffer memory values are cleared when the power is turned off. Turn on the backup command before turning the power OFF. By turning the buffer memory ... More Details >>
- No:39347
- Release Date:2023/01/16 10:07
- Category: MELSEC iQ-F Series , Analog
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Storage media of a project file
The project file written in the write-inhibited media, such as FD, CD-R, or CD-RW, cannot be read. (Condition: The standard Windows status without CD-R/RW w... More Details >>
- No:25007
- Release Date:2019/04/23 11:11
- Category: MELSEC-F Series , Engineering Software
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Types of the ports built in the FX programmable controllers
There are RS422 × 1ch for the FX1S/FX1N/FX1NC/FX2N/FX2NC/FX3U/FX3UC series and RS422 × 1ch and USB × 1ch for the FX3G/FX3GC series. More Details >>
- No:24971
- Release Date:2019/04/23 07:19
- Category: MELSEC-F Series , Main Unit
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Writing a program to a memory cassette
A memory cassette has a PROTECT switch to prevent a program from being overwritten in EEPROM and flash ROM. When this switch is on, writing of the program i... More Details >>
- No:24788
- Release Date:2019/02/28 09:07
- Category: MELSEC-F Series , Accessories
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How to use built-in high-speed counters
For contacts to drive the coils of high-speed counters, use the contacts which are normally on during high-speed counting. Do not use the input (X000 to X00... More Details >>
- No:24684
- Release Date:2019/02/22 11:38
- Update:2019/02/22 15:03
- Category: MELSEC-F Series , High-Speed Counting
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Resistor value for CC-Link cables
The value depends on the type of cable in use. - Ver.1.10-compatible CC-Link dedicated cables: 110 ohm, 1/2W - CC-Link dedicated cables (Version 1.00): 110... More Details >>
- No:22983
- Release Date:2018/09/03 17:31
- Update:2018/10/03 14:42
- Category: Network related products
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Battery install position in LCPU
Open the cover at the bottom of the CPU module and install the battery. More Details >>
- No:22821
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
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A password can be set. - Use the file password 32 function.- Number of characters: 4 to 32 (alphanumeric and special characters, case-sensitive)- Disabled op... More Details >>
- No:22810
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
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