It is necessary to reduce the link refresh time of the MELSECNET/H network in order to reduce the scan time. The link r

The CC-Link family products allow flexible programming and maintenance from any controllers for all the devices in conne

Use CC-Link dedicated cables. General-purpose cables cannot be used.

Use the cables that meet the IEC60793-2-10 Types A1a.1 optical fiber standard. The connectors are LC (duplex) connectors

Check the following points. (1) CC-Link cables have been properly connected. (2) Station numbers and the transmissio

Data are received on a received data count basis. If there is no receive complete code and variable length data is recei

If a repeater hub is used, 10BASE-T allows a maximum of four levels of cascade connections and 100BASE-TX allows a maxim

Connect terminating resistors to both ends of physical cables.A master station is not necessarily required to be connect

Short between SDA and RDA and between SDB and RDB, and then connect them to + (Data-A) and - (Data-B) on the external de

The fixed data is used for specific codes and character strings such as a command. Setting a device is not required.

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(578)

CPU Module(158)
I/O Module(5)
Analog(13)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

121-130 of Total 983

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Effect on sequence scans in MELSECNET/H networks

It is necessary to reduce the link refresh time of the MELSECNET/H network in order to reduce the scan time. The link refresh time can be reduced by reducin... More Details >>
- No：23018
- Release Date：2018/09/03 17:31
- Update：2018/09/26 09:27
- Category： Network related products
Seamless communications

The CC-Link family products allow flexible programming and maintenance from any controllers for all the devices in connection. Such a communication, for whic... More Details >>
- No：23026
- Release Date：2018/09/03 17:31
- Category： Network related products
Cables for CC-Link networks

Use CC-Link dedicated cables. General-purpose cables cannot be used. More Details >>
- No：23027
- Release Date：2018/09/03 17:31
- Category： Network related products
CC-Link IE Controller cable standard

Use the cables that meet the IEC60793-2-10 Types A1a.1 optical fiber standard. The connectors are LC (duplex) connectors. Two cores are required.The core di... More Details >>
- No：23032
- Release Date：2018/09/03 17:31
- Update：2018/09/27 12:14
- Category： Network related products
Links with a CC-Link local station cannot be made

Check the following points. (1) CC-Link cables have been properly connected. (2) Station numbers and the transmission speed have been correctly set. (3)... More Details >>
- No：23033
- Release Date：2018/09/03 17:31
- Update：2018/09/26 10:22
- Category： Network related products
Receiving data when no receive complete code is designated (QJ71C24N)

Data are received on a received data count basis. If there is no receive complete code and variable length data is received, the data is received at every no... More Details >>
- No：23038
- Release Date：2018/09/03 17:31
- Category： Network related products
Limitation on the number of levels of cascade connections when QJ71E71-100 is used

If a repeater hub is used, 10BASE-T allows a maximum of four levels of cascade connections and 100BASE-TX allows a maximum of two levels of cascade connectio... More Details >>
- No：23040
- Release Date：2018/09/03 17:31
- Category： Network related products
Connecting terminating resistors for CC-Link communication

Connect terminating resistors to both ends of physical cables.A master station is not necessarily required to be connected to either end of its network. More Details >>
- No：23046
- Release Date：2018/09/03 17:31
- Category： Network related products
RS-485 connection between LJ71C24 and an external device

Short between SDA and RDA and between SDB and RDB, and then connect them to + (Data-A) and - (Data-B) on the external device. More Details >>
- No：23048
- Release Date：2018/09/03 17:31
- Category： Network related products
Unit of receive data used by the QJ71C24N series pre-defined protocol support function

The fixed data is used for specific codes and character strings such as a command. Setting a device is not required. More Details >>
- No：23049
- Release Date：2018/09/03 17:31
- Category： Network related products

121-130 of Total 983

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