Link data from communication error stations in a CC-Link network

The remote input RX of the master station and the remote input RX and remote output RY of local stations clear/hold the data from an error station according ... More Details >>

Model name of the connector used for the FCN connector type CC-Link remote I/O module

FCN connectors (40-pin connector) are shown below.- A6CON1 (soldering connector)- A6CON2 (crimp connector)- A6CON3 (pressure-displacement connector)- A6CON4 ... More Details >>

Precaution about MELSECNET/H connection (1)

- Set successive station numbers for the network modules in system A and system B in a redundant system. (Station number 0 cannot be set.) - Match "host... More Details >>

Unit of the receive data length used by the QJ71C24N series pre-defined protocol support function

The receive data length of the variable is specified in bytes. More Details >>

Read and write operations for CC-Link buffer memory

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 >>

Connecting the CC-Link IE Field Network with a personal computer

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 >>

About network parameters when building MELSECNET/10 with Q02HCPU-A

Q02(H)CPU-A is the AnUCPU equivalent. When establishing a MELSECNET/10 network, set the refresh parameter with which SB/SW data is transferred to "Y/D" or o... More Details >>

Executing the QJ71C24N's pre-defined protocol support function

Executing the CPRTCL instruction (dedicated instruction) executes a specified protocol. More Details >>

Receiving back (echoing back) the same data sent from QJ71C24N

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 >>

How to set CC-Link reserved stations

- If the Network Parameter is used Make "Station Information Setting". - If the parameter is set using a dedicated instruction Set the control data of... More Details >>