For the built-in Ethernet port in the L series CPU, the TCP retransmission timer setting is fixed and unchangeable. The

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

Set as follows in the Transfer Setup window. - Select "USB" for "PC side I/F". - Select "GOT" for "PLC side I/F" and se

You can set interrupt priorities 5 to 7 for interrupt pointers (I0 to I15, I50 to I1023) from the module. You cannot cha

"Rebuild All" converts the entire project and "Convet" only coverts the modified part of the program.

For the MELSEC-F series, only DC power supply type can use an external power supply.

The CPU Module's built-in Heating/Cooling PID control function supports up to 16 channels. The following firmware versio

The following restrictions apply to the external input/output forced ON/OFF function. ・Since RUN contact setting is RUN/

Up to 6 devices can be connected. Extension adapters/boards (Max. 2 units) + analog extension adapters (Max. 4 units).

Yes, it's connected internally.

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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)
Network/Communication(106)
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Engineering Software(62)
Safety Control(1)

Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

501-510 of Total 1023

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TCP retransmission timer setting for built-in Ethernet port LCPU

For the built-in Ethernet port in the L series CPU, the TCP retransmission timer setting is fixed and unchangeable. The retransmission occurs six times. The... More Details >>
- No：22745
- Release Date：2018/09/03 17:29
- Update：2018/09/21 17:52
- Category： MELSEC-L 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
Transparent function

Set as follows in the Transfer Setup window. - Select "USB" for "PC side I/F". - Select "GOT" for "PLC side I/F" and select "via GOT (direct coupled) tra... More Details >>
- No：22598
- Release Date：2018/09/03 17:29
- Update：2018/09/20 17:55
- Category： MELSEC-Q Series
Interrupt program priority setting of MELSEC iQ-R series

You can set interrupt priorities 5 to 7 for interrupt pointers (I0 to I15, I50 to I1023) from the module. You cannot change the priorities of interrupt poin... More Details >>
- No：22482
- Release Date：2018/09/03 17:28
- Update：2018/09/19 16:05
- Category： MELSEC iQ-R Series
Regarding program conversion

"Rebuild All" converts the entire project and "Convet" only coverts the modified part of the program. More Details >>
- No：22326
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:40
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
External power supply for input(MELSEC-F)

For the MELSEC-F series, only DC power supply type can use an external power supply. More Details >>
- No：22268
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit
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 restrictions on the external input/output forced ON/OFF function

The following restrictions apply to the external input/output forced ON/OFF function. ・Since RUN contact setting is RUN/STOP by external signal, forced ON/O... More Details >>
- No：44332
- Release Date：2024/03/20 12:58
- Category： MELSEC iQ-F Series , CPU Module
Regarding the number of expansion adapters and expansion board connections for FX5S CPU module

Up to 6 devices can be connected. Extension adapters/boards (Max. 2 units) + analog extension adapters (Max. 4 units). *Using an SD memory card module ... More Details >>
- No：39336
- Release Date：2023/02/14 17:13
- Category： MELSEC iQ-F Series , CPU Module
Regarding the COM terminal of the multiple input module

Yes, it's connected internally. More Details >>
- No：39318
- Release Date：2023/01/12 16:54
- Category： MELSEC iQ-F Series , Analog

501-510 of Total 1023

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