Open OPC linking of telecontrol technology
connectIT acts as a communication server between a telecontrol network and an OPC client. OPC is a communication platform which makes it possible to link a wide variety of systems thanks to its global standardisation.
An OPC server can link virtually any control systems, visualisation systems and special solutions with telecontrol systems and fieldbuses. Thanks to a wide range of providers, particularly economical solutions can be realised for this.
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How it works
The OPC server converts telecontrol data and blocks of information from the protocols into OPC's own data structures, what are known as items or tags. These are made available to the connected OPC client and processed there.
A visualisation system accesses the items stored on the OPC server as an OPC client and requests them as required. The OPC server automatically updates the data of the client according to cyclic or spontaneous criteria.
Advantages by dint of seamless integration
The OPC server is already fully configured by the setIT tool, so a second input of data is not necessary. Simultaneously, all archive data which have been recorded by the RTU are stored as csv-files. These files can be used by intelligent process control - or visualisation systems (e.g. FlowChief® or Acron) for trend recording.
Especially for the coupling to the FlowChief® process control system, we can offer the connectIT-FC as an advantageous variant of the connectIT OPC server.
HMI/SCADA coupling options
All visualisation systems with OPC-DA can be deployed.
The communication server connectIT is installed to a Windows PC and, as OPC-Server, directly provides the following protocols:
- IEC 60870-5-101
- IEC 60870-5-104
For the decoupling of different network segments and for protocol conversion from fieldbusses or protective equipment couplings to OPC, we recommend the deployment of an intermediary telecontrol master station. The gateway functions of the telecontrol devices net-line FW-50 and net-line FW-5000 are specialised for that purpose and allow the integration of:
- IEC 60870-5-103
- IEC 61850
- Modbus RTU/TCP