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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding changing the current address (user unit, pulse unit)
It can be changed. It is now possible to write to the address (user unit, pulse unit) by the DHCMOV command. However, writing is disabled during positioning... More Details >>
- No:39356
- Release Date:2023/02/15 13:03
- Category: MELSEC iQ-F Series , CPU Module , Motion/Positioning
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Setting for installing a memory cassette
When the programmable controller is powered on after a memory cassette is installed, the memory cassette is automatically recognized. After the memory casset... More Details >>
- No:24974
- Release Date:2019/04/23 07:20
- Category: MELSEC-F Series , Main Unit
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The communication format can be set in the communication setting of a sequence program or "PLC Parameter setting" using GX Developer. To avoid setting troub... More Details >>
- No:24929
- Release Date:2019/04/17 11:42
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Using a fixed latched (battery backed) type device as a general type device
Clear the required area with the ZRST instruction by using the initial pulse when the programmable controller is set to RUN. To clear all the latched type de... More Details >>
- No:24925
- Release Date:2019/04/17 11:42
- Category: MELSEC-F Series , Main Unit
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Use of latched (battery backed) type auxiliary relay
If the OUT instruction using a latched (battery backed) type auxiliary relay number exists in a sequence program, the information held may be overwritten by ... More Details >>
- No:24877
- Release Date:2019/04/15 08:07
- Category: MELSEC-F Series , Main Unit
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The FX3U-ENET-ADP does not support the DHCP function. Set the fixed IP address using the parameter setting of GX Works2. On GX Works2, select "Parameter" and... More Details >>
- No:24870
- Release Date:2019/04/15 08:05
- Category: MELSEC-F Series , Network/Communication
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RS-485 connection between QJ71C24N and an external device
Short between SDA and RDA and between SDB and RDB, and then connect them to + (Data-A) and - (Data-B) on the external device. More Details >>
- No:22986
- Release Date:2018/09/03 17:31
- Category: Network related products
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Multiplication in the Structured Text
Basic arithmetic operations cannot be performed on unsigned words. Please assign the multiplier to a signed (single/double) word. More Details >>
- No:22886
- Release Date:2018/09/03 17:30
- Category: Engineering Software
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Use of a commercial SD memory card in L series logging function
Yes. Recommended products are listed in the technical bulletin FA-A-0078. More Details >>
- No:22753
- Release Date:2018/09/03 17:29
- Update:2018/10/03 16:25
- Category: MELSEC-L Series
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The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) An intelligent function module is assigned as a... More Details >>
- No:22725
- Release Date:2018/09/03 17:29
- Update:2018/09/21 17:02
- Category: MELSEC-L Series
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