FAQ


FAQAbout Products

- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC iQ-F Series
FAQ
Keyword Search
FAQ within [ MELSEC iQ-F Series ]
-
Regarding Display Module Support
In the iQ-F series, there is no lineup of display modules. Consider usingweb server function. More Details >>
- No:40045
- Release Date:2023/08/24 15:53
- Update:2023/08/24 15:56
- Category: MELSEC iQ-F Series , CPU Module
-
Regarding Project verification
You can verify from GX Works3 Project - Verify with PLC. Manual GX Works3 Operating Manual More Details >>
- No:40028
- Release Date:2023/08/24 14:39
- Category: MELSEC iQ-F Series , Engineering Software
-
Regarding differences between 8 bit and 16 bit modes for non-protocol communication
In 8-bit mode, the upper 8 bits of transmitted and received data are ignored and only the lower 8 bits are valid data. In 16 bit mode, send/receive data i... More Details >>
- No:39363
- Release Date:2023/02/15 13:04
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
-
Regarding Instruction processing time when the program capacity: 128 K steps are set
LD instruction: 0.35 μs, MOV instruction: 0.779 μs. For other instructions, see the manual below. MELSEC iQ-F FX5 Programming Manual (Instructions, Standa... More Details >>
- No:39362
- Release Date:2023/01/12 17:12
- Category: MELSEC iQ-F Series , CPU Module
-
Regarding the input circuit wiring of the FX5 CPU module
Yes. There is no problem using an external power supply for the input circuit of the FX5 CPU module. More Details >>
- No:39317
- Release Date:2023/02/14 08:56
- Category: MELSEC iQ-F Series , CPU Module
-
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
-
From the following menu of GX Works3: [Diagnostics]→[Module Diagnostics(CPU Diagnostics)] the event history function can be found. The event history can dis... More Details >>
- No:22305
- Release Date:2018/08/30 13:55
- Update:2023/02/13 11:37
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
-
Regarding address change of positioning operation.
It can be changed. For example, with the positioning instruction, a word device can be assigned to the operand which specifies the positioning address and t... More Details >>
- No:22298
- Release Date:2018/08/30 13:55
- Update:2023/02/14 09:53
- Category: MELSEC iQ-F Series , CPU Module , Motion/Positioning
-
Regarding number of CH of CPU Module built-in Heating/Cooling PID control
The CPU Module's built-in Heating/Cooling PID control function supports up to 16 channels. The following firmware versions are required in order to use it. ... More Details >>
- No:44651
- Release Date:2025/03/18 10:22
- Category: MELSEC iQ-F Series , CPU Module , Analog
-
Regarding how to compare multiple word devices
It is possible to compare multiple word devices using the BKCMP_□ instruction. *where □ is the comparison symbol. Example:To compare 10 stores from D0 to D... More Details >>
- No:44616
- Release Date:2024/11/28 16:13
- Category: MELSEC iQ-F Series , CPU Module
121-130 of Total 253