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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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COMMENT to disappear after a PLC type change
Copy the COMMENT into the MAIN of comments by program before changing the PLC type.The basic model QCPU cannot deal with common comments. More Details >>
- No:22625
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Accessible numbers of devices in one message are shown below.- 2000 coils and inputs for reading- 125 input registers and holding registers for reading- 1968... More Details >>
- No:22668
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Boot operation from the standard ROM
The boot operation from the standard ROM is not possible. The program memory of LCPU is a flash ROM. Thus, writing in the program memory achieves a ROM opera... More Details >>
- No:22728
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
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L63P compatibility with L series CPU packages
It is possible to remove L61P and use L63P. More Details >>
- No:22742
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
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Number of points used for I/O assignment of LCPU built-in I/O function
X00 to X0F and Y00 to Y07 are sorted for each function. For more details, refer to "MELSEC-L CPU Module User's Manual (Built-In I/O Function)". More Details >>
- No:22762
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
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Yes. As a guide, the processing time is shown below.For the logging condition, refer to figure 1 below. - For 16 devices: 2 ms - For 64 devices: 6 ms More Details >>
- No:22829
- Release Date:2018/09/03 17:30
- Update:2018/09/22 15:33
- Category: MELSEC-L Series
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Using devices assigned as local labels in another program (GX Works2)
No.To read from another program, assign the devices as global labels. More Details >>
- No:22863
- Release Date:2018/09/03 17:30
- Category: Engineering Software
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T-branch connection and star topology for CC-Link networks
- T-branch T-branch is a connection type that branches one line from a main line. To establish a T-branch CC-Link network, use the repeater module AJ65S... More Details >>
- No:23024
- Release Date:2018/09/03 17:31
- Update:2018/09/26 10:00
- Category: Network related products
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Assignment of direction signals during positioning
Any number can be assigned. More Details >>
- No:24975
- Release Date:2019/04/23 07:20
- Category: MELSEC-F Series , Main Unit , Positioning Control
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Input of the R device of the FX3U series in the FX-20P
Since the FX3U series does not support the FX-20P, available device ranges are within the range of the FX2N. ("R" devices do not exist in the FX2N.) The ha... More Details >>
- No:24989
- Release Date:2019/04/23 10:37
- Category: MELSEC-F Series , Accessories
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