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 >>

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 >>

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 >>

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 >>

CC-Link master module settings

If each master module controls their own CC-Link networks, all master modules can be set as station 0 even though they are controlled by the same CPU. More Details >>

Communication between a CC-Link maste...

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 >>

Detecting the number of disconnection...

The number of disconnections detected can be checked by reading the buffer memory address 5203H (Disconnection detection count). Disconnections are detected ... More Details >>

PLC parameter setting for QJ61BT11N

If the Network Parameter is used, CC-Link communication does not need the Select setting in the I/O assignment setting of the PLC parameter.If the parameter ... More Details >>

Terminating resistors for RS-485 comm...

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

Connecting terminating resistors to t...

Yes. More Details >>