Mixing line topologies with star topo...

Line topologies and star topologies can be mixed. More Details >>

Refresh timing of bit data and word d...

Cyclic data is sometimes separated into new and old data by two words (32 bits) with auto refresh timing. Checking "Block data assurance per station" of the ... More Details >>

Model name of the connector used for ...

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 connecti...

- 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 >>

Identifying disconnected CC-Link stat...

Identify disconnected stations using either of the following methods. (1) Select [Diagnostics] -> [CC-Link Diagnostics].from the menu in GX Works2 or G... More Details >>

32-bit data assurance

To assure 32-bit data, "Network Range Assignment" of the control station must satisfy the following conditions.(1) The start device No. of LB is a multiple o... More Details >>

Cascade connections between hubs in t...

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

Continuous executions of protocols by...

One CPRTCL instruction can execute a maximum of eight protocols. More Details >>

Unit of receive data used by the QJ71...

The fixed data is used for specific codes and character strings such as a command. Setting a device is not required. More Details >>

RS-485 connection between LJ71C24 and...

Short between SDA and RDA and between SDB and RDB, and then connect them to + (Data-A) and - (Data-B) on the external device. More Details >>