FAQ
FAQAbout Products
- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-L Series
FAQ
Keyword Search
FAQ within [ MELSEC-L Series ]
-
SD1282 of LCPU with built-in Ethernet port
The bits 0 to F of the special register SD1282 (Open completion signal) correspond to the connection numbers 1 to 16. When the open processing is completed, ... More Details >>
- No:22751
- Release Date:2018/09/03 17:29
-
KeepAlive setting for built-in Ethernet port in LCPU
The KeepAlive setting for the built-in Ethernet port in the L series is fixed. The setting is unchangeable. More Details >>
- No:22760
- Release Date:2018/09/03 17:30
-
Connection status detection between a hub and the built-in Ethernet port of LCPU
The bit 10 of the special register SD1288 provides the connection status to a hub. When the bit 10 of SD1288 is ON, a hub is connected. More Details >>
- No:22759
- Release Date:2018/09/03 17:30
-
Storing the data logging setting to an SD memory card in LCPU
In the write logging setting, choose [Online] and [Write Logging Setting], and set the target memory to SD memory card. More Details >>
- No:22758
- Release Date:2018/09/03 17:30
-
SD1284 of LCPU with built-in Ethernet port
The bits 0 to F of the special register SD1284 (Open request signal) correspond to the connection numbers 1 to 16. When the open request is sent, the corresp... More Details >>
- No:22784
- Release Date:2018/09/03 17:30
-
Alive check for built-in Ethernet port LCPU
When the protocol is set to TCP, KeepAlive check is performed. (Checking for a response to KeepAlive ACK message) An alive check message is sent five seconds... More Details >>
- No:22782
- Release Date:2018/09/03 17:30
-
How to increase file register capacity
In LCPU, file register capacity depends on CPU. The number of file register points cannot be increased. (A file register cannot be set on an SD memory card.)... More Details >>
- No:22766
- Release Date:2018/09/03 17:30
-
Use of 4E frame for built-in Ethernet port of LCPU
The built-in Ethernet port in the L series is compatible only with the QnA-compatible 3E frame. The 4E frame is not supported. More Details >>
- No:22761
- Release Date:2018/09/03 17:30
-
Communication data code of the MC protocol for the built-in Ethernet port in LCPU
The communication data code is selectable by the communication data code setting in [Parameter] -> [PLC Parameter] -> [Built-in Ethernet Port Setting]. More Details >>
- No:22735
- Release Date:2018/09/03 17:29
- Update:2018/09/21 17:22
-
The contents of the standard RAM and latch devices are not erased if the battery replacement is completed within three minutes, which is the backup power tim... More Details >>
- No:22733
- Release Date:2018/09/03 17:29
11-20 of Total 105