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Assistive tools, shared knowledge, and a community for BAS professionals.

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Point Definitions

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Equipment Models

BAS ATLAS

The unified reference for BAS professionals

Browse standardized point definitions with Haystack and Brick mappings, explore equipment from major manufacturers, and clean up messy point names — all in one place.

Explore AtlasEquipment Catalog
alarms

Boiler Alarm

Boiler alarm point indicating fault or warning condition

b-ab-fb-w+34
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air-handling

Air Handling Unit

Central air conditioning unit that conditions and circulates air through ductwork

AHa-hahe+40
View Details →
Clean Your Point Names
WIKIBrowse All

Latest from the Wiki

Guides, tutorials, and reference documentation for BAS professionals.

How-To Guides

Wireless Sensor Technologies for BAS Retrofits

Comparing EnOcean, Zigbee, LoRaWAN, and other wireless sensor options for BAS retrofits with gateway selection and commissioning guidance.

How-To Guides

Carrier i-Vu Pro Web-Based System Administration

Guide to the Carrier i-Vu Pro web interface covering navigation, graphics, alarms, trends, user management, and troubleshooting.

How-To Guides

Siemens Desigo CC System Architecture and Navigation

Overview of Siemens Desigo CC platform including system browser navigation, graphics, alarms, trending, and third-party BACnet integration.

How-To Guides

Trane Tracer SC/SC+ BACnet Integration Guide

Step-by-step guide for integrating Trane Tracer SC and SC+ controllers with third-party BAS platforms via BACnet/IP.

Best Practices

Heat Pump Control Sequences for Building Automation

Control sequences for air-source, water-source, and ground-source heat pumps including defrost management, auxiliary staging, and COP monitoring.

How-To Guides

VRF/VRV System Integration with Building Automation

Complete guide to integrating Variable Refrigerant Flow (VRF/VRV) systems with BAS using BACnet gateways from Daikin, Mitsubishi, LG, and Samsung.

Best Practices

Demand Response and Grid-Interactive Building Controls

Implementing demand response programs in BAS including OpenADR, pre-cooling strategies, load shedding, and measurement and verification.

Best Practices

Fault Detection and Diagnostics (FDD) in Building Automation

Implementing FDD to identify simultaneous heating/cooling, stuck dampers, sensor drift, and economizer failures with rules-based and AI approaches.

How-To Guides

Delta Controls ORCAweb and enteliWEB System Basics

Introduction to Delta Controls BAS platform including ORCAweb interface, enteliWEB server, ORCA programming, and BACnet integration.

How-To Guides

DALI Lighting Control Integration with Building Management Systems

How to integrate DALI and DALI-2 lighting systems with BMS using BACnet gateways, including occupancy control, daylight harvesting, and scene management.

Best Practices

Metasys SCT Archive Hygiene and Recovery Workflow

Best-practice workflow for maintaining SCT archives using site discovery, backups, validation cadences, and a recovery playbook.

Best Practices

BAS Network Ports for IT: Minimal Connectivity Rules (BACnet, Niagara, Metasys, MQTT)

Minimal port and flow documentation for BAS networks, aligned with vendor guidance and a least-privilege posture.

How-To Guides

Analog Input Scaling in BAS: 4–20 mA and 0–10 V Done Right

Commissioning and troubleshooting checklist for analog scaling with practical formulas, meter-first validation, and thermistor curve gotchas.

Issues & Solutions

Niagara TLS and Certificates Troubleshooting Guide (Workbench, Web, and Station-to-Station)

Decision-tree troubleshooting for Niagara TLS failures, covering trust stores, certificate lifecycle, and fox/foxs/foxwss port mismatches.

Best Practices

BACnet/IP Across VLANs: BBMD and Foreign Device Registration (FDR) Cookbook

A practical BBMD/FDR recipe for BACnet/IP discovery and broadcast forwarding across routed networks and VLANs.

Issues & Solutions

Diagnosing BACnet MS/TP Networks with a Multimeter (Field Checklist)

A repeatable MS/TP troubleshooting flow using multimeter checks, termination verification, topology fixes, and fast isolation by bifurcation.

Best Practices

Semantic Tagging and Modeling in Niagara - Haystack & Brick

Best-practice approach for applying Haystack and Brick semantics in Niagara to improve discoverability, interoperability, and analytics.

How-To Guides

MQTT and Sparkplug B for IoT Integration in BAS

Guide to using MQTT and Sparkplug B for BAS integrations, including topic strategy, broker selection, and interoperability planning.

Best Practices

Digital Twin Applications in Building Automation

Overview of digital twin concepts for BAS, including architecture, prerequisites, and practical use cases for optimization and fault detection.

Best Practices

Metasys User Roles and Permissions Management

Security-focused guide to Metasys account administration, role assignment, password policy, and least-privilege access management.

Best Practices

BACnet Secure Connect (BACnet/SC) Implementation & Best Practices

Practical BACnet/SC guidance covering architecture, certificates, migration planning, and security-focused deployment practices.

How-To Guides

Metasys Database Backup, Restore, and Maintenance

Comprehensive guide to managing the Metasys SQL Server Express database, including backup scheduling, restore procedures, purging, and handling the 10 GB size limit.

How-To Guides

Configuring LDAP Authentication in Niagara 4

Step-by-step guide to integrating Niagara 4 stations with Active Directory for centralized user management via LDAP, including TLS requirements and troubleshooting.

Best Practices

Niagara Station Database and History Optimization

Best practices for managing Niagara station databases including history configuration, sizing, archive strategies, and performance tuning to prevent disk exhaustion.

Best Practices

BAS Network Security Hardening Checklist

Comprehensive security hardening checklist for building automation networks covering segmentation, credentials, firmware management, and compliance frameworks.

How-To Guides

JACE-8000 Backup and Restore Field Guide

Practical field guide for backing up and restoring Niagara stations on JACE controllers, covering USB procedures, Workbench backups, platform recovery, and common pitfalls.

How-To Guides

Cloud-Connected BAS: Edge-to-Cloud Architecture

Guide to connecting on-premise BAS to cloud platforms for analytics, remote monitoring, and enterprise integration using edge controllers and secure cloud services.

Best Practices

BAS Point-to-Point Commissioning Checklist

Standardized point-to-point commissioning procedure for BAS projects covering physical I/O verification, controller checkout, and functional testing documentation.

Best Practices

Migrating from BACnet MS/TP to BACnet/IP

Field-focused guide to planning and executing the migration from legacy BACnet MS/TP trunks to BACnet/IP infrastructure, including network design and phased cutover.

How-To Guides

BACnet/SC (Secure Connect) Implementation Guide

Practical walkthrough of deploying BACnet Secure Connect including hub/node configuration, certificate management, and migration from traditional BACnet/IP.

How-To Guides

Wireless Sensor Technologies for BAS Retrofits

Comparing EnOcean, Zigbee, LoRaWAN, and other wireless sensor options for BAS retrofits with gateway selection and commissioning guidance.

How-To Guides

Carrier i-Vu Pro Web-Based System Administration

Guide to the Carrier i-Vu Pro web interface covering navigation, graphics, alarms, trends, user management, and troubleshooting.

How-To Guides

Siemens Desigo CC System Architecture and Navigation

Overview of Siemens Desigo CC platform including system browser navigation, graphics, alarms, trending, and third-party BACnet integration.

How-To Guides

Trane Tracer SC/SC+ BACnet Integration Guide

Step-by-step guide for integrating Trane Tracer SC and SC+ controllers with third-party BAS platforms via BACnet/IP.

Best Practices

Heat Pump Control Sequences for Building Automation

Control sequences for air-source, water-source, and ground-source heat pumps including defrost management, auxiliary staging, and COP monitoring.

How-To Guides

VRF/VRV System Integration with Building Automation

Complete guide to integrating Variable Refrigerant Flow (VRF/VRV) systems with BAS using BACnet gateways from Daikin, Mitsubishi, LG, and Samsung.

Best Practices

Demand Response and Grid-Interactive Building Controls

Implementing demand response programs in BAS including OpenADR, pre-cooling strategies, load shedding, and measurement and verification.

Best Practices

Fault Detection and Diagnostics (FDD) in Building Automation

Implementing FDD to identify simultaneous heating/cooling, stuck dampers, sensor drift, and economizer failures with rules-based and AI approaches.

How-To Guides

Delta Controls ORCAweb and enteliWEB System Basics

Introduction to Delta Controls BAS platform including ORCAweb interface, enteliWEB server, ORCA programming, and BACnet integration.

How-To Guides

DALI Lighting Control Integration with Building Management Systems

How to integrate DALI and DALI-2 lighting systems with BMS using BACnet gateways, including occupancy control, daylight harvesting, and scene management.

Best Practices

Metasys SCT Archive Hygiene and Recovery Workflow

Best-practice workflow for maintaining SCT archives using site discovery, backups, validation cadences, and a recovery playbook.

Best Practices

BAS Network Ports for IT: Minimal Connectivity Rules (BACnet, Niagara, Metasys, MQTT)

Minimal port and flow documentation for BAS networks, aligned with vendor guidance and a least-privilege posture.

How-To Guides

Analog Input Scaling in BAS: 4–20 mA and 0–10 V Done Right

Commissioning and troubleshooting checklist for analog scaling with practical formulas, meter-first validation, and thermistor curve gotchas.

Issues & Solutions

Niagara TLS and Certificates Troubleshooting Guide (Workbench, Web, and Station-to-Station)

Decision-tree troubleshooting for Niagara TLS failures, covering trust stores, certificate lifecycle, and fox/foxs/foxwss port mismatches.

Best Practices

BACnet/IP Across VLANs: BBMD and Foreign Device Registration (FDR) Cookbook

A practical BBMD/FDR recipe for BACnet/IP discovery and broadcast forwarding across routed networks and VLANs.

Issues & Solutions

Diagnosing BACnet MS/TP Networks with a Multimeter (Field Checklist)

A repeatable MS/TP troubleshooting flow using multimeter checks, termination verification, topology fixes, and fast isolation by bifurcation.

Best Practices

Semantic Tagging and Modeling in Niagara - Haystack & Brick

Best-practice approach for applying Haystack and Brick semantics in Niagara to improve discoverability, interoperability, and analytics.

How-To Guides

MQTT and Sparkplug B for IoT Integration in BAS

Guide to using MQTT and Sparkplug B for BAS integrations, including topic strategy, broker selection, and interoperability planning.

Best Practices

Digital Twin Applications in Building Automation

Overview of digital twin concepts for BAS, including architecture, prerequisites, and practical use cases for optimization and fault detection.

Best Practices

Metasys User Roles and Permissions Management

Security-focused guide to Metasys account administration, role assignment, password policy, and least-privilege access management.

Best Practices

BACnet Secure Connect (BACnet/SC) Implementation & Best Practices

Practical BACnet/SC guidance covering architecture, certificates, migration planning, and security-focused deployment practices.

How-To Guides

Metasys Database Backup, Restore, and Maintenance

Comprehensive guide to managing the Metasys SQL Server Express database, including backup scheduling, restore procedures, purging, and handling the 10 GB size limit.

How-To Guides

Configuring LDAP Authentication in Niagara 4

Step-by-step guide to integrating Niagara 4 stations with Active Directory for centralized user management via LDAP, including TLS requirements and troubleshooting.

Best Practices

Niagara Station Database and History Optimization

Best practices for managing Niagara station databases including history configuration, sizing, archive strategies, and performance tuning to prevent disk exhaustion.

Best Practices

BAS Network Security Hardening Checklist

Comprehensive security hardening checklist for building automation networks covering segmentation, credentials, firmware management, and compliance frameworks.

How-To Guides

JACE-8000 Backup and Restore Field Guide

Practical field guide for backing up and restoring Niagara stations on JACE controllers, covering USB procedures, Workbench backups, platform recovery, and common pitfalls.

How-To Guides

Cloud-Connected BAS: Edge-to-Cloud Architecture

Guide to connecting on-premise BAS to cloud platforms for analytics, remote monitoring, and enterprise integration using edge controllers and secure cloud services.

Best Practices

BAS Point-to-Point Commissioning Checklist

Standardized point-to-point commissioning procedure for BAS projects covering physical I/O verification, controller checkout, and functional testing documentation.

Best Practices

Migrating from BACnet MS/TP to BACnet/IP

Field-focused guide to planning and executing the migration from legacy BACnet MS/TP trunks to BACnet/IP infrastructure, including network design and phased cutover.

How-To Guides

BACnet/SC (Secure Connect) Implementation Guide

Practical walkthrough of deploying BACnet Secure Connect including hub/node configuration, certificate management, and migration from traditional BACnet/IP.

TOOLS

Built for BAS Professionals

SIM
Coming Soon

SimulatorSidekick

Create virtual BACnet/Modbus devices in seconds for testing and development.

QSK
Coming Soon

QR Sidekick

The simplest way for field technicians to manage building equipment using QR codes.

RESOURCESView All

Rust BAS Tools

Open source Rust crates for BAS protocols, starting with rustbac for BACnet.

Open

BAS Atlas

Unified BAS reference for point naming standards and equipment catalog.

Open

Calculators

CFM, BTU, duct sizing, and other common calculations for BAS professionals.

Open

References

Protocol specs, wiring diagrams, and cheat sheets for common BAS tasks.

Open