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BAS References
Quick reference materials for building automation professionals. Common abbreviations, protocol specifications, and industry terminology.
| Code | Abbr | Name | Description |
|---|---|---|---|
| 0 | AI | Analog Input | Sensor readings (temperature, pressure, etc.) |
| 1 | AO | Analog Output | Control outputs (valve positions, damper commands) |
| 2 | AV | Analog Value | Setpoints, calculations, internal values |
| 3 | BI | Binary Input | Status points (on/off, open/closed) |
| 4 | BO | Binary Output | On/Off control commands |
| 5 | BV | Binary Value | Modes, enables, internal binary states |
| 6 | CAL | Calendar | Holiday calendars, exception schedules |
| 8 | DEV | Device | Device object (one per device) |
| 13 | MSI | Multi-state Input | Multi-position status (fan speeds, modes) |
| 14 | MSO | Multi-state Output | Multi-position control commands |
| 19 | MSV | Multi-state Value | Operating modes, internal multi-state values |
| 17 | SCH | Schedule | Time-based schedules |
| 20 | TL | Trend Log | Historical data logging |
| 15 | NC | Notification Class | Alarm routing configuration |
| 10 | FILE | File | File objects for data transfer |
| 16 | PROGRAM | Program | Control programs |