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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding connection through a MODBUS/TCP Gateway
Communication is possible with simple CPU communication function of FX5CPU, FX5-ENET, FX5-ENET/IP modules. ※FX5U and FX5UC CPU modules with firmware version... More Details >>
- No:39343
- Release Date:2023/01/12 17:05
- Update:2023/06/23 11:13
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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How to change the keeping (latched device data) range (FX3G/FX3GC)
The keeping (latched device data) range is fixed and cannot be changed in parameters. (Reference) [When an optional battery is not used] The keeping ran... More Details >>
- No:22260
- Release Date:2018/08/30 13:48
- Update:2019/02/19 11:52
- Category: MELSEC-F Series , Engineering Software , Main Unit , Accessories
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There are three types of parameters in GX Works3; "System parameter", "CPU parameter", and "Module parameter". You can set the following items with each par... More Details >>
- No:22483
- Release Date:2018/09/03 17:28
- Update:2018/09/19 16:08
- Category: MELSEC iQ-R Series
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PLC write not possible due to memory overload
If comments cannot be stored in the program memory, write them in the standard ROM or a memory card. Calculate the memory capacity in GX Works2 or GX Develop... More Details >>
- No:22767
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
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Regarding handling multiple executions of ADPRW Instructions
When multiple ADPRW instructions are simultaneously executed, communication by the ADPRW command that was executed earlier is completed and communication by ... More Details >>
- No:39354
- Release Date:2023/02/15 10:17
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding the differences between CC-Link IE TSN and CC-Link IE Field Networks
(1)Whether or not networks can be mixed on the same trunk line is different. CC-Link IE TSN allows network mixing on the same trunk line. When using a CC-Li... More Details >>
- No:39359
- Release Date:2023/01/12 17:10
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding MODBUS/TCP communication of the built-in Ethernet port
When used as a master station, communication with a slave station can be performed using the simple CPU communication or the predefined protocol support func... More Details >>
- No:22302
- Release Date:2018/08/30 13:55
- Update:2022/12/22 08:52
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Resistor value for CC-Link cables
The value depends on the type of cable in use. - Ver.1.10-compatible CC-Link dedicated cables: 110 ohm, 1/2W - CC-Link dedicated cables (Version 1.00): 110... More Details >>
- No:22983
- Release Date:2018/09/03 17:31
- Update:2018/10/03 14:42
- Category: Network related products
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Latch (backup) areas in the data register (D) and extended register (R) of the FX3U/FX3UC series
D200 to D7999 and R0 to R32767 can be latched. D200 to D511 can be set as non-latch areas in parameters. For details on the parameter setting, refer to the... More Details >>
- No:24699
- Release Date:2019/02/27 08:58
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Communication setting methods when the FX3U-232-BD is used
The non-protocol communication can be set by the following two methods: (1) setting parameters using a programming tool, such as GX Works2, or (2) writing da... More Details >>
- No:24773
- Release Date:2019/02/27 15:24
- Category: MELSEC-F Series , Engineering Software , Network/Communication
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