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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Receiving back (echoing back) the same data sent from QJ71C24N
When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back to RDA or RDB, we call it echo back. ... More Details >>
- No:23000
- Release Date:2018/09/03 17:31
- Update:2018/09/25 17:44
- Category: Network related products
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Remedies for WDT errors on a MELSECNET/H board
The error code indicates a WDT (watchdog timer) error. It is determined as the cause that the MELSECNET/H driver cannot work due to a computer or OS hang, or... More Details >>
- No:22969
- Release Date:2018/09/03 17:31
- Category: Network related products
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Difference between QJ61BT11 and QJ61BT11N
QJ61BT11N supports Version 2 (expanded cyclic setting), the setting for refreshing/forced clearing a slave station data when the switch on a programmable con... More Details >>
- No:22964
- Release Date:2018/09/03 17:31
- Update:2018/09/25 13:16
- Category: Network related products
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The error code "2110" is "SP.UNIT ERROR.". This error may be caused by one of the following factors.(1) The module that has been specified by a FROM/TO instr... More Details >>
- No:22830
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
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How to read comments in the standard ROM with GX Works2
Select [Target Memory] -> [Standard ROM] in the Read from PLC window. More Details >>
- No:22673
- Release Date:2018/09/03 17:29
- Update:2018/09/21 14:05
- Category: MELSEC-Q Series
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Change the program using the following method.Write the label program to the programmable controller CPU and perform PLC read for the parameters and the prog... More Details >>
- No:22603
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Network No., Group No., and Station No. in Network Parameter
- Network No. is a number assigned to identify each network when multiple networks are configured. Each network No. must be unique. - Group No. is a num... More Details >>
- No:22550
- Release Date:2018/09/03 17:28
- Update:2018/09/20 15:48
- Category: MELSEC-Q Series
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Duplicated coil errors that can be checked with GX Works3
When an SET instruction and RST instruction use a single device, no duplicated coil error is detected. More Details >>
- No:22456
- Release Date:2018/09/03 17:28
- Update:2018/09/20 13:33
- Category: MELSEC iQ-R Series
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Regarding simulation function using GX Works3
For FX5U/FX5UC CPU modules, GX Works3 Ver. 1.025B or later is supported, and for FX5UJ CPU modules, GX Works3 Ver. 1.065T or later is supported. FX5S CPU mo... More Details >>
- No:22327
- Release Date:2018/08/30 13:55
- Update:2023/02/15 12:56
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regardng compatability with other product series
Although the connection with FX2N series I/O modules, FX2 series intelligent function modules, and FX3 series special adater is not possible, FX3 series inte... More Details >>
- No:22309
- Release Date:2018/08/30 13:55
- Update:2022/12/22 09:46
- Category: MELSEC iQ-F Series , CPU Module , I/O Module
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