MODBUS serial communication over multiple communication channels is possible. The MODBUS serial communication settings c

Perform "Rebuild All" and initialize the memory before writing to the PLC. "Rebuild All" converts the entire project and

When connecting 2 FX5 CPU Modules (firmware version 1.110 or later) that support the Simple CPU communication function

The following shows the initialization procedure. (1) Turn OFF the PLC ready flag. (2) Turn ON "[Cd.2] Parameter initial

QJ61BT11N supports Version 2 (expanded cyclic setting), the setting for refreshing/forced clearing a slave station data

EN (enable input) ・・・ This is the execution condition of the function. The function with EN is executed o

Use the string comparison instructions LD$□, AND$□, OR$□. □contains =, <>, >, < =, <, > =.

It can't be configured. In the module configuration diagram of GX Works3, the configurations that can be created are tho

Error 2035 (Command frequency error) occurs when the servo amplifier detects a command frequency error. (1) When the com

32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used.

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FAQ within [ Controllers ]

141-150 of Total 1123

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Regarding expansion of communication ports

MODBUS serial communication over multiple communication channels is possible. The MODBUS serial communication settings can be set from GX Works3 parameters. More Details >>
- No：22323
- Release Date：2018/08/30 13:55
- Update：2025/11/11 14:20
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding a mismatch found in the monitoring function of GX Works3

Perform "Rebuild All" and initialize the memory before writing to the PLC. "Rebuild All" converts the entire project and "Convert" only coverts the modified... More Details >>
- No：22293
- Release Date：2018/08/30 13:55
- Update：2023/02/13 15:31
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding setting the FX5 CPU Module that does not support the simple CPU communication function

When connecting 2 FX5 CPU Modules (firmware version 1.110 or later) that support the Simple CPU communication function and 2 FX5 CPU Modules (firmware vers... More Details >>
- No：44329
- Release Date：2024/03/20 13:35
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Parameter initialization

The following shows the initialization procedure. (1) Turn OFF the PLC ready flag. (2) Turn ON "[Cd.2] Parameter initialization request". Set "1" to the buff... More Details >>
- No：23603
- Release Date：2018/09/14 15:09
- Category： RD77MS , RD77GF , FX5SSC
Difference between QJ61BT11 and QJ61BT11N

QJ61BT11N supports Version 2 (expanded cyclic setting), the setting for refreshing/forced clearing a slave station data when the switch on a programmable con... More Details >>
- No：22964
- Release Date：2018/09/03 17:31
- Update：2018/09/25 13:16
- Category： Network related products
Regarding EN and ENO

EN (enable input) ・・・ This is the execution condition of the function. 　　　　　　　　　　　　　　 The function with EN is executed only if the execution condition of EN... More Details >>
- No：40024
- Release Date：2023/08/24 14:35
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding comparison of Strings

Use the string comparison instructions LD$□, AND$□, OR$□. □contains =, <>, >, < =, <, > =. More Details >>
- No：39355
- Release Date：2023/02/15 13:03
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding GX Works3 Module configuration diagram

It can't be configured. In the module configuration diagram of GX Works3, the configurations that can be created are those excluding FX5-CNV-IFC and FX3 Int... More Details >>
- No：39331
- Release Date：2023/02/14 09:08
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Error 2035

Error 2035 (Command frequency error) occurs when the servo amplifier detects a command frequency error. (1) When the command is the permissible speed or high... More Details >>
- No：23577
- Release Date：2018/09/14 15:09
- Category： Q17nDSCPU , Q17nDCPU , Q170MSCPU , Q170MCPU , Q17nHCPU , Q17nCPUN
Regarding the maximum number of connections for MODBUS communication

32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used. More Details >>
- No：22324
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:49
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication

141-150 of Total 1123

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