Communication with TEDIA systems (Czech republic)

The company TEDIA (, Czech republic) is manufacturing the measuring devices, cards and MicroUnit series modules for distributed systems. A list of communication options between these devices and the PROMOTIC application is following.

Communication with MicroUnit modules

The MicroUnit series modules kit can be used especially for distributed systems design for monitoring or controlling of technological processes. Each module acts as remote intelligent unit procesing analog/digital signals and communicating with superior computer via the serial communication link of RS485 standard.
Communication by Modbus protocol:

New types of MicroUnit modules support the Modbus RTU protocol (since 2011).

For this communication in the PROMOTIC system can be used: PmModbusMr - Driver for communication by Modbus Master protocol.

For easy integration of this driver into the application it is handy to use:
Communication by the AIBus-2 protocol:

All types of MicroUnit modules support the AIBus-2 protocol.

For this communication in the PROMOTIC system can be used: PmMicroUnit - Driver for communication with MicroUNIT PLC devices.

Communication with DAQ cards

For the data transfer from DAQ cards into the PROMOTIC application the Tedia company drivers can be used:
For ISA DAQ cards the TED_DAQ driver.
For PCI DAQ cards the TED_DAQ01 driver.

The above mentioned drivers are in fact DLL libraries that can be accessed in the PROMOTIC system using the PmDll object.

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