Process Automation Device Information Model (PA-DIM)

ODVA is collaborating with major standards development and end user organizations serving the process automation industry, including ISA100 WCI, ODVA, PROFIBUS/PROFINET International, NAMUR, VDMA, and ZVEI, regarding the Process Automation Device Information Model (PA-DIM®) specification. Participating organizations share ownership of the specification and collaboratively participate in the PA-DIM working group, hosted at FieldComm Group, creating enhancements and extensions to the PA-DIM specification. Collaboration promises to simplify integration of OT and IT systems by optimizing process automation end users’ management of data from field devices.

ODVA is pleased to support the PA-DIM profile to enable greater information standardization within process automation, which will allow for more seamless data analysis and prognostics. End users of EtherNet/IP networks will be able to leverage PA-DIM to move data from the field to the cloud and to realize improved data standardization across networks.

PA-DIM is a specification that allows for protocol agnostic communication of common process automation instrument parameters, including semantic IDs as defined by IEC 61987, using OPC UA information modeling techniques. Eliminating automation protocol dependencies simplifies the integration of IT and OT systems. Including semantic device information enables unambiguous machine-to-machine (M2M) communication. Fieldbus-specific implementations are converted into the address space of the PA-DIM Information Model.

Products using PA-DIM can easily support the NAMUR Open Architecture (NOA) use cases including automated as built, unique identification, device dimensioning, multivariable possibility check, read multivariable process values, device life cycle backup, health monitoring, and diagnosis.