Cascade connections between hubs in the CC-Link IE Field Network

UP to 20 levels of cascade connections can be made. 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 >>

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 >>

Difference between AJ65SBTB1-16DT and AJ65SBTB1-16DT1

Major differences in input specifications are shown below. - AJ65SBTB1-16DT - Rated input current approx. 7 mA - ON voltage/ON current 14 VDC or higher/... More Details >>

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 >>

Communication between a CC-Link master station and local stations

There are two modes of transient transmission, cyclic transmission and transient transmission, for the communication between a master station and a local sta... More Details >>

QJ71E71-100's compatibility with the automatic cable type (straight or cross) recognizing function

QJ71E71-100 does not support the AutoMDI/MDI-X function (automatic cable type (straight or cross) recognizing feature). More Details >>

Terminating resistors for RS-422 communication of QJ71C24N

The resistance value is 330 ohm, 1/4 W. More Details >>

Behavior of special relay in offline simulation

The constant scan initial value of GX Simulator is 100 ms. Thus, the value of SM410(0.1sec. clock) is OFF in each scan. To turn ON/OFF SM410, set the consta... More Details >>

Limit on the display of data collected in GX LogViewer to 32 values

GX LogViewer is made to a specification that allows a single trend window to display a maximum of 32 graphs. When there are more than 32 logging data values,... More Details >>