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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding communication supported by built-in RS-485 port
N:N Network, Parallel Link, MC protocol, Non-protocol communication, MELSOFT connection, MODBUS RTU, and Predefined protocol support are available. More Details >>
- No:22322
- Release Date:2018/08/30 13:55
- Update:2022/12/22 10:16
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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How to install a USB driver in Windows XP
For how to install a USB driver in Windows XP, refer to the following procedure. (1) Connect a personal computer and a programmable controller CPU with a ... More Details >>
- No:22933
- Release Date:2018/09/03 17:30
- Update:2018/09/22 16:59
- Category: Engineering Software
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The main units with Ver.2.00 or later can read and write programs of the FX3 series connected to the intelligent device station and can monitor devices. (GX... More Details >>
- No:24950
- Release Date:2019/04/18 14:27
- Category: MELSEC-F Series , Main Unit , Network/Communication
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How to check devices assigned to labels of GX Works3
GX Works3 and the MELSEC iQ-R series do not use actual devices as automatic assignment devices of local labels. The local labels use "label areas" in the "d... More Details >>
- No:22486
- Release Date:2018/09/03 17:28
- Update:2018/09/20 09:30
- Category: MELSEC iQ-R Series
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Setting online change in GX Works2
Select [Compile] -> [Online Program Change] from the menu, and execute online change. More Details >>
- No:22940
- Release Date:2018/09/03 17:30
- Update:2018/09/25 09:57
- Category: Engineering Software
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24+ terminal connection of an extension block
For AC power supply type, connect the 24+ terminal of an extension block to the 24+ terminal of a main unit. For DC power supply type, connect the 24+ termi... More Details >>
- No:24786
- Release Date:2019/02/28 09:06
- Category: MELSEC-F Series , Main Unit , I/O Extension
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Regarding handling multiple executions of ADPRW Instructions
When multiple ADPRW instructions are simultaneously executed, communication by the ADPRW command that was executed earlier is completed and communication by ... More Details >>
- No:39354
- Release Date:2023/02/15 10:17
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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I/O assignment of PLC parameters with GX Works3
"PC Parameter" in GX Works2 is "Parameter" in GX Works3. You can set the I/O assignment from "Module Configuration" or "System Parameter". <Setting fr... More Details >>
- No:22475
- Release Date:2018/09/03 17:28
- Update:2018/09/19 14:42
- Category: MELSEC iQ-R Series
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Scan time while operation of a programmable controller CPU is being monitored using GX Works2
Scan time displayed on GX Works2 is the maximum scan time of the monitor target programmable controller CPU. To check current scan time, monitor the data in... More Details >>
- No:24779
- Release Date:2019/02/27 15:58
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Counting of a built-in high-speed counter
Check that the RST instruction ofthe high-speed counter is not executed whilethe program is running. Forthe high-speed counter which supports the external r... More Details >>
- No:24787
- Release Date:2019/02/28 09:06
- Category: MELSEC-F Series , Engineering Software , Main Unit
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