The bits 0 to F of the special register SD1284 (Open request signal) correspond to the connection numbers 1 to 16. When

The maximum length between a hub and a node is 100 m. The max. length connectable to a hub is 200m.When repeater hubs ar

The bit 10 of the special register SD1288 provides the connection status to a hub. When the bit 10 of SD1288 is ON, a hu

The contents of the standard RAM and latch devices are not erased if the battery replacement is completed within three m

Use SP.FWRITE instruction to save the data to an SD memory card in CSV format.

When an error occurs, the operation can be stopped or continued according to the "At Error Occurrence" setting.(The defa

Open the cover at the bottom of the CPU module and install the battery.

Turn off the SD memory card switch and check that the LED indicator is off before insertion or removal of an SD memory c

To prevent an LED from turning on when an error occurs, set 0 to the relevant factor number setting area (4 bits for eac

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FAQ within [ MELSEC-L Series ]

21-30 of Total 105

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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
Cable length to connect to built-in Ethernet port in LCPU

The maximum length between a hub and a node is 100 m. The max. length connectable to a hub is 200m.When repeater hubs are used in cascade connection, the max... More Details >>
- No：22781
- 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
Battery replacement for LCPU

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
Writing files in CSV format

Use SP.FWRITE instruction to save the data to an SD memory card in CSV format. More Details >>
- No：22727
- Release Date：2018/09/03 17:29
CPU operation when the time setting failed

When an error occurs, the operation can be stopped or continued according to the "At Error Occurrence" setting.(The default is "Continue".) More Details >>
- No：22828
- Release Date：2018/09/03 17:30
Battery install position in LCPU

Open the cover at the bottom of the CPU module and install the battery. More Details >>
- No：22821
- Release Date：2018/09/03 17:30
Precautions for insertion and removal of SD memory card

Turn off the SD memory card switch and check that the LED indicator is off before insertion or removal of an SD memory card. More Details >>
- No：22818
- Release Date：2018/09/03 17:30
CSV file storage timing in L series logging function

No. More Details >>
- No：22793
- Release Date：2018/09/03 17:30
Method to prevent the BAT.LED from turning on

To prevent an LED from turning on when an error occurs, set 0 to the relevant factor number setting area (4 bits for each) in SD207 to SD209. To disable the ... More Details >>
- No：22754
- Release Date：2018/09/03 17:29

21-30 of Total 105

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