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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding the method to check the scan time
The current value of the scan time is stored in the following special devices. Please monitor using GX Works3. ◇Scan information SD520 Current scan time (... More Details >>
- No:22289
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:20
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding the frequency of high-speed counters
The maximum frequency of the FX5U/FX5UC CPU module is 200kHz and the maximum frequency of the FX5S/FX5UJ CPU module is 100 kHz. More Details >>
- No:22312
- Release Date:2018/08/30 13:55
- Update:2022/12/22 10:18
- Category: MELSEC iQ-F Series , CPU Module , High-Speed Counter
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How to write to file registers in Q series
Specify the file in the Write to PLC window and execute writing. More Details >>
- No:22585
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Making transparent connections using GX Developer
Set as follows in the Transfer Setup window. - Select "USB" for "PC side I/F". - Select "CPU Module" for "PLC side I/F" and check "via GOT (direct couple... More Details >>
- No:22640
- Release Date:2018/09/03 17:29
- Update:2018/09/21 11:39
- Category: MELSEC-Q Series
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SD1282 of LCPU with built-in Ethernet port
The bits 0 to F of the special register SD1282 (Open completion signal) correspond to the connection numbers 1 to 16. When the open processing is completed, ... More Details >>
- No:22751
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
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Compatibility between GX IEC Developer and GX Developer
GX IEC Developer and GX Developer are different products. They are not compatible. Projects created using GX IEC Developer can neither be opened in GX Develo... More Details >>
- No:22860
- Release Date:2018/09/03 17:30
- Category: Engineering Software
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Difference between CC-Link reserved stations and invalid stations
- Reserved station Reserved stations are not actually connected to the network (but will be connected in the future) but do not appear as data link error... More Details >>
- No:22993
- Release Date:2018/09/03 17:31
- Update:2018/09/25 17:37
- Category: Network related products
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CC-Link slave station's flashing L.ERR LED
If the L.ERR LED flashes at irregular intervals, it may indicate that no terminating resistor has been connected or the communication is instable due to the ... More Details >>
- No:23001
- Release Date:2018/09/03 17:31
- Category: Network related products
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Thecomment may not have been written tothe programmable controller. Or, the comment display setting may be required on the GX Works2 side. [Writing a com... More Details >>
- No:24681
- Release Date:2019/02/22 11:40
- Update:2019/02/22 14:15
- Category: MELSEC-F Series , Engineering Software , Main Unit
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The FX3U-ENET-ADP does not support the DHCP function. Set the fixed IP address using the parameter setting of GX Works2. On GX Works2, select "Parameter" and... More Details >>
- No:24870
- Release Date:2019/04/15 08:05
- Category: MELSEC-F Series , Network/Communication
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