Mixing line topologies with star topologies in the CC-Link IE Field Network　

Line topologies and star topologies can be mixed. More Details >>

Duplication error in a CC-Link master station

Possible causes are as follows.(1) Another master station exists on the same line.(2) Noise is detected on the line at power on. More Details >>

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 >>

Station number settings for MELSECNET/H networks

A station number can be skipped by setting the station as a reserved station. More Details >>

Communication between CPU modules established by QJ71E71

The communication between QJ71E71 series modules can be established if READ/WRITE instructions are used. More Details >>

Mixing the CC-Link IE Field Network with general LAN communication

Mixed communication with the same hub cannot be established. Establish the CC-Link IE Field Network and general LAN communication separately. More Details >>

Connecting AJ65BT-R2N to a GOT

Yes.When connecting a GOT, set the mode setting switch of AJ65BT-R2N to "5" (MELSOFT connection mode). More Details >>

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 >>

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 >>

How to make the expanded cyclic setting for CC-Link local stations

Make the expanded cyclic setting for a CC-Link local station using the programming tool, GX Developer or GX Works2. Follow the procedure below. (1) Set th... More Details >>