Hello,
Here we are interested in OPC UA as we are planning to build a complete new fabrication building.
OPC UA will be the standard in the future for communication between ERP, MES, SCADA and PLC. At this moment a Siemens 1500 PLC can be OPC UA server allready, however, connection of 2 1500 PLC's with OPC UA is not possible at this moment because a TIA PLC can only be OPC UA Server.
A question I had... What is OPC UA gonna replace and what is purpose.
The way I see it, it connects PLC's devices, MES, SCADA, ERP etc... data that is not critical. To control a drive, profinet is still needed, realtime devices that give remote IO and so on still need a fieldbus.
What is OPC UA going to do in the future, will it also do some things in the realtime layer or are we still going to stick with fieldbusses for connecting sensors to a PLC and will OPC UA only be there to make a unified network ?
Thanks for the info in advance,
Kind regards,
Gerry
Here we are interested in OPC UA as we are planning to build a complete new fabrication building.
OPC UA will be the standard in the future for communication between ERP, MES, SCADA and PLC. At this moment a Siemens 1500 PLC can be OPC UA server allready, however, connection of 2 1500 PLC's with OPC UA is not possible at this moment because a TIA PLC can only be OPC UA Server.
A question I had... What is OPC UA gonna replace and what is purpose.
The way I see it, it connects PLC's devices, MES, SCADA, ERP etc... data that is not critical. To control a drive, profinet is still needed, realtime devices that give remote IO and so on still need a fieldbus.
What is OPC UA going to do in the future, will it also do some things in the realtime layer or are we still going to stick with fieldbusses for connecting sensors to a PLC and will OPC UA only be there to make a unified network ?
Thanks for the info in advance,
Kind regards,
Gerry