org.cispec.purdue-level
required: industrial control system Change Itemsorg.cispec.purdue-level records the Purdue Enterprise Reference
Architecture level of an industrial control system Change Item, aligned
with ISA/IEC 62443
zone-and-conduit terminology.
Value format
An integer 0–5.
org.cispec.purdue-level=1
| Level | Description |
|---|---|
| 0 | Physical process — sensors, actuators |
| 1 | Intelligent devices — PLCs, RTUs, IEDs |
| 2 | Control systems — SCADA, HMI |
| 3 | Site operations — MES, historians |
| 4–5 | Enterprise / business systems |
Conformance
org.cispec.purdue-level is REQUIRED for ICS Change Items.