BMS Knowledge Library

List of BMS Manufacturers & Their Controllers

Every major BMS manufacturer — Trend, Tridium, Siemens, Schneider, Honeywell, Johnson Controls and Distech — plus their controller ranges.

List of BMS Components & Suppliers

Every component inside a BMS control panel — controllers, sensors, actuators, valves, drives, meters and networking gear, with examples.

BMS Sensors & Actuators Reference

Every BMS field device explained — temperature, pressure, humidity, CO₂ and occupancy sensors, plus valves, dampers and drive units.

BMS Applications & Uses by Sector

BMS applications by sector — offices, hospitals, data centres, pharma, education and retail, with real examples and typical platforms.

What is a PLC? — A Field Engineer's Guide

What a PLC is, how it differs from a BMS DDC, the major brands, IEC 61131-3 languages and where PLCs are used across buildings.

What is SCADA? — Supervisory Control & Data Acquisition Explained

What SCADA is, how it differs from a BMS head-end, the leading platforms, historian databases and where it fits in smart buildings.

What is an HMI? — Human-Machine Interface Guide

What an HMI is, the leading brands, High-Performance HMI design, ISA-101 standards and where HMIs sit between PLC, SCADA and BMS.

BMS vs SCADA vs PLC — When to Use Which

BMS, SCADA and PLC compared side by side — what each is for, where they overlap and how to scope a project that needs more than one.

BMS Protocols Explained — BACnet, Modbus, KNX, LON, M-Bus, OPC UA

Plain-English guide to BMS protocols — BACnet/IP, BACnet MS/TP, Modbus RTU/TCP, KNX, LON, M-Bus and OPC UA, plus gateway options.