Programmable Controllers MELSEC

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MELSEC iQ-R Series(45)
MELSEC iQ-F Series(144)

CPU
CPU Module(45)
I/O Module(4)
Analog(4)
High-Speed Counter(6)
Motion/Positioning(6)
Network/Communication(17)
Option(3)
Engineering Software(15)

Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

81-90 of Total 804

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How to ground programmable controllers

For your safety, programmable controllers must be grounded. Incomplete common grounding within the control panel or common grounding with heavy electrical s... More Details >>
- No：22276
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit , I/O Extension
Ethernet-connectable modules in MELSEC-F

The FX3U-ENET-L and FX3U-ENET-ADP are Ethernet-connectable. The FX3U-ENET-L can be used with the FX3U and FX3UC series (both Ver. 2.21 or later). The FX3U-... More Details >>
- No：22270
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit , Network/Communication
Regarding the system configuration FX...

Yes, it is possible More Details >>
- No：22318
- Release Date：2018/08/30 13:55
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding changing the current value ...

To rewrite the current value, arbitrary values can be written using the DHCMOV instruction. (Example) Set the current value of the high-speed counter ch1 to ... More Details >>
- No：22303
- Release Date：2018/08/30 13:55
- Category： MELSEC iQ-F Series , CPU Module , High-Speed Counter
Regarding address change of positioni...

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 th... More Details >>
- No：22298
- Release Date：2018/08/30 13:55
- Category： MELSEC iQ-F Series , CPU Module , Motion/Positioning
Regarding the range of latch devices

The latch range can be set arbitrarily by the customer. The settings can be found in the memory/device settings of CPU parameters. To back up the link regist... More Details >>
- No：22297
- Release Date：2018/08/30 13:55
- Category： MELSEC iQ-F Series , CPU Module
Regarding the necessity of using a ba...

Device back up is available without using a battery. However, to back up link register (W) and file register (R) devices, a battery is required. More Details >>
- No：22296
- Release Date：2018/08/30 13:55
- Category： MELSEC iQ-F Series , Option , CPU Module
Multiple input COM terminals

All input COM terminals send the same signal because all the terminals are internally connected. To turn on the input, the extension unit must be connected ... More Details >>
- No：22274
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit , I/O Extension
Difference between R and ZR

File registers "R" use the block switching method. The number of file register points used are divided and specified in units of 32k points. When multiple ... More Details >>
- No：22512
- Release Date：2018/09/03 17:28
- Update：2018/09/20 13:29
- Category： MELSEC-Q Series
How to check the scan time with GX Wo...

You can check the processing time and scan time of the program currently being executed in "Program List Monitor". [Online] -> [Monitor] -> [Program... More Details >>
- No：22458
- Release Date：2018/09/03 17:28
- Update：2018/09/19 11:51
- Category： MELSEC iQ-R Series

81-90 of Total 804

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