10.2.2.3 Weihenstephan Base Functionality Server Facet
Table 31 defines a Facet that all OPC servers should support in order to meet the minimum requirements of the Weihenstephan Standards according to the present companion specification.
| Group | Conformance Unit / Profile Title | Mandatory / Optional |
| Weihenstephan | Weihenstephan WS Machine | M |
| Weihenstephan | Weihenstephan Writable WS DataPoints | M |
| Weihenstephan | Weihenstephan WSBaseObjectType | M |
| Weihenstephan | Weihenstephan WSBaseStateMachineType | M |
| Weihenstephan | Weihenstephan WSAnalogUnitType | M |
| Weihenstephan | Weihenstephan Engineering Untis | M |
| Weihenstephan | Weihenstephan Corresponding WS TagNumbers | M |
| Weihenstephan | Weihenstephan WSAlarmType | M |
| Weihenstephan | Weihenstephan WSAlarmCode | M |
| Weihenstephan | Weihenstephan WSAlarmMessage | M |
| Weihenstephan | Weihenstephan WSWarningType | M |
| Weihenstephan | Weihenstephan WSWarningCode | M |
| Weihenstephan | Weihenstephan WSWarningMessage | M |
| Weihenstephan | Weihenstephan WSExecuteStateMachineType | M |
| Weihenstephan | Weihenstephan WSHeldStateMachineType | M |
| Weihenstephan | Weihenstephan WSSuspendedStateMachineType | M |
| Machinery | 3:Machinery Machine Identification | M |
| Machinery | 3:Machinery Find Machines | M |