Receiving back (echoing back) the sam...

When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back to RDA or RDB, we call it echo back. ... More Details >>

Connecting the CC-Link IE Field Netwo...

To pursue high speeds, the CC-Link IE Field Network applies a communication control method different from that applied to the Ethernet communication for pers... 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 >>

Read and write operations for CC-Link...

There is no problem in writing/reading data into/from the buffer memory using a FROM/TO instruction with the refresh device setting left blank.The refresh de... More Details >>

Using a FROM/TO instruction after AJ7...

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 >>

CC-Link signals checked when an error...

Check the following signals.- Module error signal : X0- Host data link status signal: X1- Other station data link status signal: X3 More Details >>

Difference between AJ65SBTB1-32DTE1 a...

Major differences are shown below. - AJ65SBTB1-32DT1 - Input type positive common (sink type) - Rated input current approx. 5 mA - ON voltage/ON curr... More Details >>

What makes the ERR LED flash in a CC-...

A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave station: Reassess the power supply, the ... More Details >>

T-branch connection and star topology...

- T-branch T-branch is a connection type that branches one line from a main line. To establish a T-branch CC-Link network, use the repeater module AJ65S... More Details >>

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 >>