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 >>

Using a FROM/TO instruction after AJ71UC24 is replaced with QJ71C24N

I/O signals and buffer memory addresses need to be changed but data communications can be conducted using a FROM/TO instruction and X/Y signals. More Details >>

Transient transmission of the CC-Link IE Controller

Transient transmission is a function that allows communication with programmable controllers in other stations. Communication with programmable controllers i... More Details >>

Refresh devices

For CPU modules with 8192 I/O device points (X/Y0 to 1FFF), X/Y1000 and greater can be set as refresh devices. More Details >>

Terminating resistors for RS-485 communication of LJ71C24

The resistance value is 110 ohm, 1/2 W. More Details >>

CC-Link master modules' start I/O No. and refresh devices RX/RY

The I/O numbers used for I/O modules and intelligent function modules cannot be used as refresh targets for RX/RY. Use the I/O numbers greater than those use... More Details >>

Settings required for transient transmission

The routing parameter settings are required for transient transmission to the CPU module with another network No. The request source station, relay station,... More Details >>

Difference in specifications between "AJ65SBTB1" and "AJ65SBTB2" in CC-Link remote I/O modules' model names

The CC-Link remote I/O modules' model names represents as follows:- AJ65SBTB1 - S: Compact type - B1: 1-wire terminal block, 1-common type- AJ65SBTB2 - S:... 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 >>

Terminating resistors for QJ71C24N

A terminating resistor must be connected to the interface in order to reduce signal reflections thus preventing the signal instabilities. More Details >>