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- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-L Series
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FAQ within [ MELSEC-L Series ]
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Simple PLC communication function
This function allows data communications between specified devices at the specified timing, using the built-in Ethernet. Device data such as production data ... More Details >>
- No:22737
- Release Date:2018/09/03 17:29
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The LCPU error code 4116 is displayed when a built-in I/O instruction that is disabled in the parameter setting is executed. Check for the parameter settings... More Details >>
- No:22807
- Release Date:2018/09/03 17:30
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The error code "2200" is "MISSING PARA.". The causes of the error are described below. (1) The necessary parameter file does not exist in all drives. (2) ... More Details >>
- No:22749
- Release Date:2018/09/03 17:29
- Update:2018/09/22 09:12
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NTP support by the SNTP function of LCPU with built-in Ethernet port
NTP and SNTP are compatible. Therefore, an NTP server can be used for clock setting. More Details >>
- No:22744
- Release Date:2018/09/03 17:29
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Remedy to an error message when performing online change in LCPU
After data is written to the program cache memory (SRAM), it is automatically transferred to the program memory (flash ROM). Therefore, additional online cha... More Details >>
- No:22763
- Release Date:2018/09/03 17:30
- Update:2018/09/22 10:50
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Simultaneous broadcast transmission setting for built-in Ethernet port LCPU
To send simultaneous broadcast using UDP, set the parameters as follows.- Destination IP Address: FF.FF.FF.FFh - Destination Port Number: Other than FFFFh (S... More Details >>
- No:22785
- Release Date:2018/09/03 17:30
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TCP retransmission timer setting for built-in Ethernet port LCPU
For the built-in Ethernet port in the L series CPU, the TCP retransmission timer setting is fixed and unchangeable. The retransmission occurs six times. The... More Details >>
- No:22745
- Release Date:2018/09/03 17:29
- Update:2018/09/21 17:52
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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
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How to use L series extension modules
The extension module is used to configure the extension block when 10 modules or more are mounted to LCPU. Connect the branch module and the extension module... More Details >>
- No:22738
- Release Date:2018/09/03 17:29
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An error occurs and CPU will stop. Install the END cover and reset the CPU module. More Details >>
- No:22817
- Release Date:2018/09/03 17:30
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