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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Connected position of branch module and extension module
The position to connect the branch module and extension module is as follows. More Details >>
- No:22814
- Release Date:2018/09/03 17:30
- Update:2018/09/22 15:27
- Category: MELSEC-L Series
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Availability of step ladders for FX in L series
Step ladders are not available in LCPU. There is no alternative function. More Details >>
- No:22752
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
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Update timing of LD75 current feed value and machine feed value
The values are updated at the timing described below. - Current feed value: 0.9 ms - Machine feed value: 0.9 ms More Details >>
- No:22748
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
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Turning OFF the power with the battery error occurring
The error history will be deleted. More Details >>
- No:22734
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
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MC protocol compatibility of the built-in Ethernet port
The built-in Ethernet port is not compatible with a 4E frame. Use a QnA-compatible 3E frame. More Details >>
- No:22732
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
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How to check the capacity of the file registers in use
The capacity file registers currently have can be checked in the file register setting section ([PLC Parameter] -> [PLC File] tab). More Details >>
- No:22694
- Release Date:2018/09/03 17:29
- Update:2018/09/21 14:19
- Category: MELSEC-Q Series
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Battery life in the universal model QCPU
It depends on the model of the CPU module, the amount of battery consumption, and the power-on time ratio. Example) For Q06UDHCPU with power-on time ratio... More Details >>
- No:22633
- Release Date:2018/09/03 17:29
- Update:2018/09/21 11:28
- Category: MELSEC-Q Series
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Local devices are devices which can be independently used for each program.When multiple independent programs are executed, using local devices allows progra... More Details >>
- No:22531
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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Regarding the specifications of the built-in Ethernet function of FX5 CPU module
The connection using the Ethernet port can establish a total of 8 connections which includes SLMP, MELSOFT connection, MODBUS/TCP, socket communication, and ... More Details >>
- No:22320
- Release Date:2018/08/30 13:55
- Update:2023/07/04 15:52
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding the cause of communication error with GX Works3
From the PC's Internet Protocol Version 4 Properties, uncheck "Obtain an IP address automatically" option and set an arbitrary IP adress that does not dupli... More Details >>
- No:22319
- Release Date:2018/08/30 13:55
- Update:2023/02/13 11:38
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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