Siemens OPC UDT

Ignition
1

Hey there,

I’m investigating if Ignition is a platform we can use.
We mainly use Siemens 1500 plc’s so the Ignition driver is a no-go as it doesn’t support optimized blocks. So that leaves the built in OPC server in the PLC, which i got working.

However when I use the OPC browser and drag the tag in, it makes it as a document type.
Do i have to make the datatype first, if so how would you do this? I looked up the documentation but could not figure it out. And is it possible to import said UDT somehow?

I’m coming from a WinCC background so the whole thing is quite new for me. Different design philosophy

Tia:
TiaUDT

OPC browser:
IgnitionUDT

Tag editor:

IgnitionTag
IgnitionTag498×861 44 KB

Ignition version is 8.0.16

2

Ignition maps OPC UA structured datatypes into Documents (JSON), not into any kind of automatically generated Ignition UDT.

The process to map these documents into UDTs is a little involved but it’s described here: OPC UA struct data type?

3

Thanks,

I think i have figured it out. I dragged the items from the opc browser into the UDT and have added the InstaneName in place of the valve number. And for the Struct i used a folder for legibility.