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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Meanings of the sink input/source input
The sink input connects to a negative common for 24 V DC. The source input connects to a positive common. The sink input is generally used in Japan and No... More Details >>
- No:22254
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , I/O Extension
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Using a specified bit (on/off) of a word device (D) as a condition for a contact
In the FX3U/FX3UC series, a bit in a word device can be specified. It can be specified by "Word device (D only) + Decimal point + Bit position (0 to F)". A... More Details >>
- No:22261
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
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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
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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
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Regarding changing the current value of the high-speed counter.
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 ... More Details >>
- No:22303
- Release Date:2018/08/30 13:55
- Update:2023/02/06 17:05
- Category: MELSEC iQ-F Series , CPU Module , High-Speed Counter
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As the parameter settings of the FX3 intelligent function modules are not supported by GX Works3, they cannot be selected from the element selection window.... More Details >>
- No:22304
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:29
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding CC-Link settings using GX Works3
Parameters can be set when connecting the MELSEC iQ-F series with FX5-CCL-MS(CC-Link system master/intelligent device). However, when connecting with FX3U-1... More Details >>
- No:22317
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:19
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software , Network/Communication
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Regarding the specifications of the built-in Ethernet function of FX5 CPU module
The connection using the Ethernet port can establish a total of 8 connections which includes SLMP, MELSOFT connection, MODBUS/TCP, socket communication, and ... More Details >>
- No:22320
- Release Date:2018/08/30 13:55
- Update:2023/07/04 15:52
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding expansion of communication ports
It is possible to use the MODBUS serial communication with multiple channels. However, only 1 channel can be set as the master. The MODBUS serial communica... More Details >>
- No:22323
- Release Date:2018/08/30 13:55
- Update:2023/06/26 09:04
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Using a commercially-available SD memory card for a MELSEC iQ-R series CPU module
For the commercially-available SD memory cards that can be used for MELSEC iQ-R series CPU modules, refer to the following technical bulletin. - TECHNICAL ... More Details >>
- No:22461
- Release Date:2018/09/03 17:28
- Update:2018/09/18 15:46
- Category: MELSEC iQ-R Series
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