| Level | Name | Examples | |-------|------|----------| | 4 | Enterprise | ERP, MES | | 3 | Supervision | SCADA, HMI | | 2 | Control | PLC, PAC, DCS | | 1 | Field | Sensors, actuators | | 0 | Process | Machine, conveyor, tank |

D 39-automatisme V9 | Guide

| Level | Name | Examples | |-------|------|----------| | 4 | Enterprise | ERP, MES | | 3 | Supervision | SCADA, HMI | | 2 | Control | PLC, PAC, DCS | | 1 | Field | Sensors, actuators | | 0 | Process | Machine, conveyor, tank |