Generic Devices

Being an established industry standard, the Modbus protocol supports many I/O devices from a variety of manufacturers. The MODBUSA Driver therefore can support communication between Plant SCADA and any generic Modbus devices.

Communication is via a Modbus port on the PLC. Using this method, you can connect to multiple PLCs as in the following diagram:

The following topics provide information required to connect Plant SCADA to a generic Modbus device.