Communication with PLC devices by the Unitronics company
Basic information:
The
Unitronics company (
http://www.unitronics.com, Israel) supplies (free of charge) the
OPC server for communication with their devices. This software is a part of the installation CD-ROM that is supplied with each unit by default.
Then the PROMOTIC application will communicate as a client by the
OPC interface.
The usage
OPC (the
PmOpcUaClient communication driver or
PmaOpcDaClient object) requires purchase of the
"PmOPC" licence. When developing the application in the freeware mode
PmFree, or with
development environment and while testing it in runtime, this component is always functional.
The
Unitronics device supports also the communication
by the Modbus protocol.
For this communication in the PROMOTIC system can be used: