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FAQ within [ MELSEC-F Series ]
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How to use built-in high-speed counters
For contacts to drive the coils of high-speed counters, use the contacts which are normally on during high-speed counting. Do not use the input (X000 to X00... More Details >>
- No:24684
- Release Date:2019/02/22 11:38
- Update:2019/02/22 15:03
- Category: MELSEC-F Series , High-Speed Counting
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Externally switching the operating status of a programmable controller
On the Project view of the Navigation window, select "Parameter" → "PLC Parameter" using GX Works2 (or GX Developer). Click the "PLC System(1)" tab, and set ... More Details >>
- No:24768
- Release Date:2019/02/27 15:01
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Terminal blocks for the MELSEC-F series
Whether the terminal block is removable or not differs depending on the series. Types of the terminal blocks for the MELSEC-F series main units are as follow... More Details >>
- No:24774
- Release Date:2019/02/27 15:34
- Category: MELSEC-F Series , Main Unit
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Settings for the FX3U-ENET-ADP
GX Works2 with Ver. 1.87R or later is required. More Details >>
- No:24781
- Release Date:2019/02/27 16:10
- Category: MELSEC-F Series , Engineering Software , Network/Communication
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Distinguishing the usage of standard counters and high-speed counters
Standard counters offer counting up to 10Hz. For high-speed input signals which exceed 10Hz, use high-speed counters,interruption function, or another proce... More Details >>
- No:24785
- Release Date:2019/02/27 16:31
- 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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Latched (battery backed) area in the data register (D) of the FX3G/FX3GC series
D128 to D1099 are the latched device area. D1100 to D7999 can be changed to latched (battery backed) type devices by installing an optional battery and setti... More Details >>
- No:24901
- Release Date:2019/04/15 11:31
- Category: MELSEC-F Series , Main Unit
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One FX3U-ENET-ADP can be connected at the last stage (left end) of adapters for the FX3U series. *The FX3U-ENET-ADP is a communication special adapter and o... More Details >>
- No:24912
- Release Date:2019/04/17 11:39
- Category: MELSEC-F Series , Main Unit
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Differences in the specifications between the programmable controllers used in Japan and overseas.
The input signal forms are different. All the programmable controllers for the domestic market other than the FX3G/FX3U series are the sink input. The progra... More Details >>
- No:24913
- Release Date:2019/04/17 11:39
- Category: MELSEC-F Series , Main Unit
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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
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