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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Changing to the monitor write mode automatically changes the online change setting in Options to "Write during RUN (while PLC is running)".With returning to ... More Details >>
- No:22541
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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Regarding Control response parameter of built-in PID Control of CPU Module
The control response parameter can set the response to the target value (SV) of PID control as either "normal" or "fast". The difference is as follows. (1)W... More Details >>
- No:44653
- Release Date:2025/03/18 10:23
- Category: MELSEC iQ-F Series , CPU Module , Analog
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Regarding compatible version of CANopen communication function for PDO communication
It is necessary to use the following CPU module, FX5-CCLGN-MS, GX Works3 versions. FX5-CCLGN-MS・・・1.020 or later FX5U/FX5UC CPU module ・・・1.260 or later ... More Details >>
- No:44473
- Release Date:2024/07/02 19:06
- Category: MELSEC iQ-F Series , Network/Communication
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24+ terminal connection of an extension block
For AC power supply type, connect the 24+ terminal of an extension block to the 24+ terminal of a main unit. For DC power supply type, connect the 24+ termi... More Details >>
- No:24786
- Release Date:2019/02/28 09:06
- Category: MELSEC-F Series , Main Unit , I/O Extension
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Regarding dedicated instruction for JOG operation
There is no dedicated instruction to drive JOG. Use PLSV (variable speed operation) when operating JOG. More Details >>
- No:44355
- Release Date:2024/03/27 15:50
- Category: MELSEC iQ-F Series , CPU Module , Motion/Positioning
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Regarding write speed during RUN
CC-Link IE field Network Basic communication interval can be set with special relay and special register. During debugging, adjust the communication interv... More Details >>
- No:44342
- Release Date:2024/03/20 13:39
- Category: MELSEC iQ-F Series , CPU Module
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Regarding FX5U/FX5UC CPU Module Built-in functions
The functions supported only by the FX5U/FX5UC CPU Modules are listed below. ・Predefined Protocol Support Function For Positioning function ・Optional batte... More Details >>
- No:40046
- Release Date:2023/08/24 16:14
- Update:2024/11/11 14:29
- Category: MELSEC iQ-F Series , CPU Module
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Regarding instruction Compatibility Between FX5 CPU modules
The instructions on the FX5 CPU module are compatible. Module-only instructions can be used only for CPU modules that support intelligent function units. More Details >>
- No:40042
- Release Date:2023/08/24 15:46
- Category: MELSEC iQ-F Series , CPU Module
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Regarding Statement and Note Types
PLC :it is written to the CPU module and consumes the number of steps. ・Without character - 3 steps ・With character : 4 + (Number of characters + 2 + 14) /... More Details >>
- No:40023
- Release Date:2023/08/24 15:39
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Overwriting a current value with the high-speed counter comparison instruction
The output contact is activated according to the change of the current value register along with the counting input. Therefore, the value changed by executin... More Details >>
- No:24931
- Release Date:2019/04/17 11:43
- Category: MELSEC-F Series , Main Unit
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