# 2.4.8 — Field Integration Interfaces

**Module:** [bms/field-devices-hvac](../../../_playbook/modules/bms/field-devices-hvac.md)
**WBS leaf:** 2.4.8
**Project:** Kingsford Hotel Bacolod — BMS (AB-Run-6)
**Date:** 2026-04-28

### Project-specific values
- **HLI integrations (BACnet IP / MS/TP / Modbus):**
  - Chiller plant manager: 3 chillers × ~18 sub-points each via BACnet/IP gateway.
  - VFD HLI: ~30 VFDs across CHW pumps, AHU/PAHU, DOAS, exhaust fans.
  - BTU meters: chiller plant — Modbus to DDC-2F-CHILLER.
  - Air Ionizers: 2 units — Modbus to DDC-2M-CASINO.
  - Boiler burner controllers: SB-1/2 — BACnet MS/TP to DDC-LG-PLANT.
- **References:** A1 (HLI rows + Network drops), BMS-01 HLI column, BMS-03 NETWORK row at every device skid.