The maximum number of significant digits is seven.

The remote input RX of the master station and the remote input RX and remote output RY of local stations clear/hold the

A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave sta

Check the following signals.- Module error signal : X0- Host data link status signal: X1- Other station data link s

No, please install only either of the two.

An SRAM card can increase file register capacity.1MB/2MB/4MB/8MB SRAM cards are available.The numbers of file registers

If preset initial values are used, parameters do not need setting.If changing the basic parameter or MODBUS(R) device as

The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) In the I/O

The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on

Local devices are devices which can be independently used for each program.When multiple independent programs are execut

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(672)

CPU Module(185)
I/O Module(5)
Analog(16)
High-Speed Counter(14)
Motion/Positioning(11)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

171-180 of Total 1023

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Regarding floating point precision

The maximum number of significant digits is seven. More Details >>
- No：39298
- Release Date：2023/02/13 16:38
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Link data from communication error stations in a CC-Link network

The remote input RX of the master station and the remote input RX and remote output RY of local stations clear/hold the data from an error station according ... More Details >>
- No：23057
- Release Date：2018/09/03 17:31
- Category： Network related products
What makes the ERR LED flash in a CC-Link network

A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave station: Reassess the power supply, the ... More Details >>
- No：23023
- Release Date：2018/09/03 17:31
- Category： Network related products
CC-Link signals checked when an error occurs

Check the following signals.- Module error signal : X0- Host data link status signal: X1- Other station data link status signal: X3 More Details >>
- No：23021
- Release Date：2018/09/03 17:31
- Category： Network related products
Installing MX Component Version 3 and 4

No, please install only either of the two. More Details >>
- No：22841
- Release Date：2018/09/03 17:30
- Category： Engineering Software
How to increase file register capacity

An SRAM card can increase file register capacity.1MB/2MB/4MB/8MB SRAM cards are available.The numbers of file registers that can be used with a 1MB, 2MB, 4MB... More Details >>
- No：22687
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Parameter settings required to use the MODBUS(R) interface module as a slave station

If preset initial values are used, parameters do not need setting.If changing the basic parameter or MODBUS(R) device assignment parameter, use a sequence pr... More Details >>
- No：22680
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Error code "2100" in QCPU

The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) In the I/O assignment setting of the PLC parame... More Details >>
- No：22650
- Release Date：2018/09/03 17:29
- Update：2018/09/21 11:47
- Category： MELSEC-Q Series
Using the automatic communication function and dedicated instructions at the same time in MODBUS (R) interface module (QJ71MB91)

The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on the same channel. However, when the... More Details >>
- No：22577
- Release Date：2018/09/03 17:29
- Update：2018/09/20 17:06
- Category： MELSEC-Q Series
Local devices

Local devices are devices which can be independently used for each program.When multiple independent programs are executed, using local devices allows progra... More Details >>
- No：22531
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series

171-180 of Total 1023

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