Automated Logic Corporation - ALC

A proven, industry-leading system, the WebCTRL® building automation system gives you the ability to fully understand your operations and analyze the results with tools that make sense to you. It converts the BMS to a repository of all operating data and information related to your building. Whether it is temperature history, utility metering, trend data or comfort measurement, your WebCTRL system effectively packages the information you need for management of your facilities.

The WebCTRL® system is much more than a simple building automation system. It is a powerful web-based building automation platform with software tools that help you keep occupants comfortable, manage energy conservation measures, identify key operational problems and analyze the results. And, best of all, this can all be done anytime/anywhere, through a variety of Internet devices, from desktop PCs to web-enabled cell phones.

WebCTRL systems support major communications protocols, including BACnet, LonWorks®, Modbus® and SNMP. With its ability to run on Java2-compliant server platforms such as Windows®, Redhat Enterprise Linux®, and Unbuntu, the WebCTRL system can operate with many JDBC-compliant databases, including MS Access®, MySQL, MS SQL Server, Postgre SQL and Oracle®. WebCTRL systems can easily share data with enterprise or third-party systems to accomplish a range of tasks.

Some of the features of Web Control Solution Includes:

Power of Data Visualization

Educate your audience by displaying live data such as current energy and water usage, indoor air quality (IAQ), outdoor air conditions, and much more. Show live data on floor plans—like energy use, temperatures or occupancy.

Power of Integration

The WebCTRL system integrates building systems, including environmental, energy, security and safety systems, so they can all be managed through a single, web-based management tool.

Fault Detection & Diagnostics

measures, anticipates, provides insight, and automatically responds to system conditions that are not necessarily critical, but may be trending that way – all with the goal of improved operational performance.

Time-lapse™ Graphics

rolls back time, up to a 24-hour slice, playing back hours of real-time data in just minutes.

Environmental Index™ Tool

measures, analyzes and compares data, helping you balance comfort with efficiency.

Setpoint Optimization

calculates optimum setpoint values based on actual operating requirements.

Thermographic Colour Floor Plans

convey a quick understanding of facility-wide comfort and operating conditions.

Trends and Scatter Plot Tools

enables operators to track and troubleshoot building conditions.


extracts and formats building data from a browser to Acrobat®, Excel® and other applications with a single click.

Optimal Start and Demand Limiting

Optimal start routines and built in demand limiting work together, turning off equipment when it’s not needed, or relaxing setpoints to reduce energy usage while maintaining comfort levels. These are standard features of every WebCTRL system.

Energy Reports™

is a flexible, easy-to-use reporting tool that enables facility managers to produce a wide variety of reports showing a building’s energy consumption.


is a sustainability kiosk that enables building owners to showcase their properties’ energy conservation and sustainability measures

Designed for Speed

The WebCTRL system is built to be fast. From the high speed trend engine that can read 860,000+ samples a second to the BACnet over ARCnet 156 K baud network, our industry leading data throughput provides the speed you need for critical analytics, reporting, visualization and dash boarding.

Unlimited Users

The WebCTRL system is built to support unlimited simultaneous users. There is no need for multiple licenses, enabling all authorized building personnel to access and control HVAC, lighting, central plant and critical systems on premise or remotely.

Engineering Tool

When you buy an Automated Logic WebCTRL system, you receive the entire tool set used to engineer your facility. Every aspect of the product is open and available to the customer allowing for complete ownership of the system.

Live Logic

Every WebCTRL system supports live, visual displays of control logic, which uses real time operational data and aids in optimizing and troubleshooting system operations. There is no need to understand cryptic “line by line” computer code.

Automated Psychrometric Chart

The Automated Psychrometric Chart analyzes all of the outside air parameters, removes the human judgment call, and uses the psych chart that engineers rely on to only operate economizer at the right time.

Webcontrol Hardware

The Automated Logic® OptiFlex™ BACnet Building Controller is a high-performance, BACnet native direct digital controller and router. As a component of the WebCTRL® building automation system, this controller provides comprehensive control of connected equipment. The OptiFlex BACnet Building Controller provides the speed, power, memory, and I/O flexibility needed for the most demanding control applications in the industry. Capable of controlling multiple pieces of HVAC equipment simultaneously, this robust BACnet controller can support complex control strategies.

The Automated Logic line of Medium Equipment Controllers are integral components of the WebCTRL® building automation system. These BACnet Advanced Application Controllers (B-AAC) provide a rugged solution for single-equipment applications. Designed to operate in a wide range of environmental conditions. SE controllers can be used in rooftop units, mechanical rooms, equipment closets or almost any other weather-tight location. SE controllers use native BACnet communications over either a high-speed ARCNET 156 kbps network or a MS/TP network to provide maximum flexibility and interoperability. SE controllers have plenty of memory for schedules, alarms, trends and Fault Detection and Diagnostics (FDD)

The Automated Logic line of Zone Controllers are integral component of the WebCTRL® building automation system. These fully programmable, native BACnet Advanced Application Controller (AAC) designed for controlling a single zone in a building. These controllers are well suited forheat pump, chilled beam, unit ventilator and other packaged HVAC applications. They communicate on an EIA-485 LAN using BACnet MS/TP or BACnet over ARCNET communications and connects seamlessly to the WebCTRL® building automation system. Automated logic zone controllers have plenty of memory for schedules, alarms, trends and Fault Detection and Diagnostics (FDD). The ZN551, ZN220 and ZN253 supports a line of ALC Wireless and ZS sensors also using its Rnet port.

The Automated Logic line of VAV Controllers are integral component of the WebCTRL® building automation system. These fully programmable, native BACnet Advanced Application Controllers (AAC) measyr and control zone level temperature and air quality control for pressure independent VAV applications. Sophisticated preengineered control algorithms reduce energy consumption, extend actuator life, and increase occupant comfort. It communicates on an EIA-485 LAN using BACnet MS/TP or BACnet over ARCNET communications and connects seamlessly to the WebCTRL® building automation system. Automated logic zone controllers have plenty of memory for schedules, alarms, trends and Fault Detection and Diagnostics (FDD).

The Automated Logic® OptiFlex™ BACnet router is an integral component of the WebCTRL® building automation system. The OptiFlex router routes BACnet messages between the WebCTRL building automation system backbone (BACnet/IP), and a subnetwork of WebCTRL controllers (BACnet MS/TP and/or BACnet ARCnet). It connects directly to the Ethernet LAN and provides the WebCTRL server with access to the entire WebCTRL system. Supports up to 99 ARCnet controllers and 60 BACnet MS/TP controllers to connect together via the WebCTRL building automation system backbone.

Automated Logic’s line of intelligent zone sensors provides the function and flexibility you need to manage the conditions important to the comfort, productivity and sustainability of your facility. The ZS sensors are designed to measure room temperature, relative humidity, carbon dioxide and VOCs (Volatile Organic Compounds), and are available in a variety of zone-sensing combinations to address your specific control requirements. Designed to work with ZN, SE and ME controllers, the ZS sensor line includes the ZS Standard, ZS Plus, ZS Pro and ZS Pro-F. As part of Automated Logic’s wireless sensing line, the wireless standard sensors are used to measure temperature and humidity in a space. Because there are no wires to run, they can be mounted virtually anywhere in your building.Wireless sensors work in conjunction with a wireless adapter, which enables wireless communication between the sensors and a WebCTRL® BACnet controller in the space. By sensing temperature, humidity, and occupancy wirelessly, our WebCTRL controllers can make smart decisions to optimize the control of heating and cooling systems in the building, providing optimum occupant comfort and energy efficiency.

The Automated Logic® chilled water system optimizer is a sophisticated, scalable, native BACnet optimization solution for chilled water plants. The chilled water system optimizer minimizes the energy use of the entire chilled water system, up to and including air handling units and other water side chilled water consumers. By providing optimized control of the chilled water and condenser water setpoints, the chilled water system optimizer can lower energy costs while also maintaining occupant comfort levels in the building. The chilled water system optimizer solution consists of a self-adapting control algorithm packaged in an application specific Automated Logic controller.

Key Features and Benefits

  • Intuitive – Monitors and displays optimization metrics via integrated dashboard
  • Scalable – Designed to be used on plants of varying size, up to a maximum of eight chillers.
  • Flexible – Works with the chilled water side alone, condenser water side alone, or both.
  • Comprehensive – Can work with virtually any existing plant control system.
  • Dynamic – Adapts automatically to changing environmental conditions and system changes over time. Senses total system energy usage including all plant room equipment and airside energy consumption.
  • Open – Integrates easily via network communications with all mechanical and electrical equipment, regardless of brand.
  • Seamless – Interfaces easily with the Automated Logic® PlantCTRL™ chiller plant solution enabling additional plant efficiency improvements.
  • Intelligent – Adjusts chilled water and condenser water setpoints to achieve overall combined chiller plant and air-side energy savings.
  • Efficient – Minimizes energy use over the entire chilled water system, including chilled water plant equipment and air-side chilled water consumers. Based on field tests, potential energy savings from 3 - 15% are possible.
  • Non-disruptive – Integrates to the existing plant control system, intelligently computing optimum chilled water and condenser water setpoints while continuously monitoring plant room and load-side energy consumption. Fail-safe logic is designed into the system sothat the plant will revert to default setpoints in the event that optimized setpoints cannot be determined.
  • Affordable – Lower first cost versus competitor offerings that require extensive plant analysis, system modeling, control system and mechanical system upgrades.

The Automated Logic® chilled water system optimizer confirms to the BACnet Building Controller (B-BC) Standard Device Profile as defined in ANSI/ASHRAE Standard 135-2012 (BACnet) Annex L, Protocol Revision. In addition to the Bacnet ports it also contains ports for Bacnet MSTP Integration and Modbus RTU/ ASCII modes integration. Battery-backed real-time clock keeps track of time in event of power failure. 10-year Lithium CR123A battery retains the following data for a maximum of 720 hours during power outages: time, control programs, editable properties, schedules, and trends

For over four decades, Automated Logic has been producing high-quality building automation systems. Automated Logics is a part of UTC Climate, Controls and Security, a unit of United Technologies Corporation, a leading provider to the aerospace and building systems industries worldwide.

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