For the first input extension block connecting to a main unit, use the FX2NC-100BPCB power supply cable provided with th

The execution time of the basic opeartion instruction (LD) of the FX5U/FX5UC/FX5UJ CPU module is 34 ns. *For firmware Ve

For the iQ-F series, use the following instructions. For signed 16 bit integers, use the INT2FLT instruction. For unsign

It can be changed. It is now possible to write to the address (user unit, pulse unit) by the DHCMOV command. However, wr

For FX5U/FX5UC CPU module, firmware version 1.110 or later is supported. For the FX5UJ/FX5S CPU module, it is compatible

The parameters can be set by using network parameters of GX Works2 (Ver1.73B or later). (FX3U/3UC: Ver3.10 or later)

One FX3U-ENET-ADP can be connected at the last stage (left end) of adapters for the FX3UC series. *The FX3U-ENET-ADP is

The output contact is activated according to the change of the current value register along with the counting input. The

If the OUT instruction using the device number of the latch target device exists in a sequence program, the latched data

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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 ]

221-230 of Total 1023

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Assignment of direction signals during positioning

Any number can be assigned. More Details >>
- No：24975
- Release Date：2019/04/23 07:20
- Category： MELSEC-F Series , Main Unit , Positioning Control
Power supply cable of the input extension blocks for the connector type programmable controllers

Forthe first input extension block connecting to a main unit, use the FX2NC-100BPCB power supply cable provided with the main unit, and supply power from a 2... More Details >>
- No：24911
- Release Date：2019/04/15 11:32
- Category： MELSEC-F Series , Main Unit , I/O Extension
Regarding the processing specification of the basic operation instruction(LD).

The execution time of the basic opeartion instruction (LD) of the FX5U/FX5UC/FX5UJ CPU module is 34 ns. *For firmware Ver.1.100 or above, this specification ... More Details >>
- No：22287
- Release Date：2018/08/30 13:55
- Update：2023/07/03 11:56
- Category： MELSEC iQ-F Series , CPU Module
Regarding replacing FLT Instructions

For the iQ-F series, use the following instructions. For signed 16 bit integers, use the INT2FLT instruction. For unsigned 16 bit integers, use the UINT2FL... More Details >>
- No：45479
- Release Date：2025/11/12 13:54
- Category： MELSEC iQ-F Series , CPU Module
Regarding changing the current address (user unit, pulse unit)

It can be changed. It is now possible to write to the address (user unit, pulse unit) by the DHCMOV command. However, writing is disabled during positioning... More Details >>
- No：39356
- Release Date：2023/02/15 13:03
- Category： MELSEC iQ-F Series , CPU Module , Motion/Positioning
Regarding the supported version of the simple CPU communication function

For FX5U/FX5UC CPU module, firmware version 1.110 or later is supported. For the FX5UJ/FX5S CPU module, it is compatible from the first one. More Details >>
- No：39316
- Release Date：2023/02/14 08:56
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Parameter setting of the FX3U-16CCL-M

The parameters can be set by using network parameters of GX Works2 (Ver1.73B or later). (FX3U/3UC: Ver3.10 or later) More Details >>
- No：25013
- Release Date：2019/04/23 11:16
- Category： MELSEC-F Series , Engineering Software , Network/Communication
Number of FX3U-ENET-ADP Ethernet communication special adapters that can be connected to the FX3UC series

One FX3U-ENET-ADP can be connected at the last stage (left end) of adapters for the FX3UC series. *The FX3U-ENET-ADP is a communication special adapter and ... More Details >>
- No：24932
- Release Date：2019/04/23 07:21
- Category： MELSEC-F Series , Main Unit
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
Data backup failure

If the OUT instruction using the device number of the latch target device exists in a sequence program, the latched data may be overwritten by execution of t... More Details >>
- No：24783
- Release Date：2019/02/27 16:16
- Category： MELSEC-F Series , Engineering Software , Main Unit

221-230 of Total 1023

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