From OpenSCADAWiki
Currently ACL is supported by:
- the DAQ subsystem for Controller and Parameter Objects, DAQ-Templates, JavaLikeCalc Functions, most DAQ-Modules and by the OPC-UA module in the protocol part for checking permition of the authenticated user, where:
- Rd (04) — reading both the Control Nodes and the Parameter Attributes;
- Wr (02) — writing (also creating and removing) the Control Nodes;
- Xt (01) — execution-writing to the Parameter Attribute.