You can check the connection to the hub with bit 10 of the special register SD1288. When bit 10 of the SD1288 is on, the

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

GX Developer does not support LJ71E71-100. Use GX Works2.

The switch setting is written when CPU module's parameters are written. The settings of "Various Control Specifications"

For any type of MELSECNET network (II, /10, and H), B and W devices with the same number cannot be used for multiple sta

You can set the parameters of the FL-net interface module with the data operation of the intelligent function module. Fo

A comparison result is held even after the command input turns off. The remaining comparison result can be cleared by us

The device memory data cannot be stored in a memory cassette. In the FX3U/FX3UC series, a part of device memory data can

Each special function unit/block has 8 occupied points, except for some special function devices. These 8 points do not

The operation is not guaranteed. Please select the extension blocks and units from FX2N series.

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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CPU Module(185)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

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Detecting the connection between a built-in Ethernet port QCPU and hub

You can check the connection to the hub with bit 10 of the special register SD1288. When bit 10 of the SD1288 is on, the QCPU is in connection with the hub. More Details >>
- No：22712
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q 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
GX Developer's compatibility with LJ71E71-100

GX Developer does not support LJ71E71-100. Use GX Works2. More Details >>
- No：22911
- Release Date：2018/09/03 17:30
- Category： Engineering Software
Writing LJ71C24 modules' parameters using GX Works2

The switch setting is written when CPU module's parameters are written. The settings of "Various Control Specifications" are written when intelligent functio... More Details >>
- No：22912
- Release Date：2018/09/03 17:30
- Category： Engineering Software
Link register assignments in MELSECNET/10 networks

For any type of MELSECNET network (II, /10, and H), B and W devices with the same number cannot be used for multiple stations as write areas. Following th... More Details >>
- No：22971
- Release Date：2018/09/03 17:31
- Update：2018/09/25 13:24
- Category： Network related products
FL-net setting of GX Works2

You can set the parameters of the FL-net interface module with the data operation of the intelligent function module. For details and operation procedure of... More Details >>
- No：23084
- Release Date：2018/09/03 17:31
- Update：2018/09/26 13:19
- Category： Network related products
Comparison result of the CMP instruction

A comparison result is held even after the command input turns off. The remaining comparison result can be cleared by using the RST or ZRST instruction. More Details >>
- No：24692
- Release Date：2019/02/27 08:56
- Category： MELSEC-F Series
Data that can be stored in a memory cassette (FX3U/FX3UC)

The device memory data cannot be stored in a memory cassette. In the FX3U/FX3UC series, a part of device memory data can be latched using a battery. The de... More Details >>
- No：24789
- Release Date：2019/02/28 09:07
- Category： MELSEC-F Series , Accessories
Number of occupied points of special function devices

Each special function unit/block has 8 occupied points, except for some special function devices. These 8 points do not occupy 8 points of the actual I/O n... More Details >>
- No：24873
- Release Date：2019/04/15 08:06
- Category： MELSEC-F Series , Main Unit
Extension blocks and units that can be used in the FX3U series

The operation is not guaranteed. Please select the extension blocks and units from FX2N series. More Details >>
- No：24935
- Release Date：2019/04/18 14:24
- Category： MELSEC-F Series , Main Unit , I/O Extension

531-540 of Total 1023

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