･ The FX-USB-AW can be used for the programmable controllers except for the FX3S/FX3G/FX3GC series. ･ Since the FX3S/FX

Cyclic data is sometimes separated into new and old data by two words (32 bits) with auto refresh timing. Checking "Bloc

The QJ71C24N series modules can be accessed using A-compatible 1C frames, but the following restrictions are imposed. Th

Device comments can be displayed in the ladder editor and Zoom editor windows. Select [View] -> [Comment] from the m

Indication accuracy - Ambient temperature: 25+/-5 degrees Celsius Full scale x (+/-0.3%) - Ambient temperature: 0 t

The bits 0 to F of the special register SD1284 (Open request signal) correspond to the connection numbers 1 to 16. When

The error does not affect the CPU time. The CPU time is not set when a communication error occurs.

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

(1) Sampling processing - Without the temperature drift compensation function Processing time = Number o

The operation error occurs when the divisor is 0.Create a program in which a comparison operation instruction or another

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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FAQ within [ Programmable Controllers MELSEC ]

741-750 of Total 1010

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Connecting a USB interface of a personal computer to a programmable controller

･ The FX-USB-AW can be used for the programmable controllers except for the FX3S/FX3G/FX3GC series. ･ Since the FX3S/FX3G/FX3GC series have the built-in USB... More Details >>
- No：24707
- Release Date：2019/02/27 09:00
- Category： MELSEC-F Series
Refresh timing of bit data and word data in the same CC-Link station

Cyclic data is sometimes separated into new and old data by two words (32 bits) with auto refresh timing. Checking "Block data assurance per station" of the ... More Details >>
- No：23058
- Release Date：2018/09/03 17:31
- Category： Network related products
Whether or not MC protocol frames can be used after A1SJ71UC24 is replaced with QJ71C24N

The QJ71C24N series modules can be accessed using A-compatible 1C frames, but the following restrictions are imposed. The access is limited to the devices wi... More Details >>
- No：22970
- Release Date：2018/09/03 17:31
- Category： Network related products
Required setting for the display of hidden comments

Device comments can be displayed in the ladder editor and Zoom editor windows. Select [View] -> [Comment] from the menu to display the comments. More Details >>
- No：22875
- Release Date：2018/09/03 17:30
- Update：2018/09/22 15:40
- Category： Engineering Software
L60TCTT4(BW) accuracy

Indication accuracy - Ambient temperature: 25+/-5 degrees Celsius Full scale x (+/-0.3%) - Ambient temperature: 0 to 55degrees Celsius Full scale x (+/-0... More Details >>
- No：22820
- Release Date：2018/09/03 17:30
- Update：2018/09/26 16:51
- Category： MELSEC-L Series
SD1284 of LCPU with built-in Ethernet port

The bits 0 to F of the special register SD1284 (Open request signal) correspond to the connection numbers 1 to 16. When the open request is sent, the corresp... More Details >>
- No：22784
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
SNTP communication error in built-in Ethernet port LCPU

The error does not affect the CPU time. The CPU time is not set when a communication error occurs. More Details >>
- No：22783
- 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
A/D conversions performed by Q64AD/Q68ADV/Q68ADI

(1) Sampling processing - Without the temperature drift compensation function Processing time = Number of channels usedx 80 (us/1 channel) - With the t... More Details >>
- No：22705
- Release Date：2018/09/03 17:29
- Update：2018/09/26 16:34
- Category： MELSEC-Q Series
Remedy for the division-related operation error

The operation error occurs when the divisor is 0.Create a program in which a comparison operation instruction or another method executes a division instructi... More Details >>
- No：22691
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series

741-750 of Total 1010

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