Mechanical Installations In many industries, mechanical systems serve as the backbone of operations. Thermal data collected with a thermal imaging camera can be an invaluable source of complimentary information to vibration studies in mechanical equipment monitoring. Mechanical systems will heat up if there is a misalignment at some point in the system. Conveyor belts are a good example. If a roller is worn out, it will clearly show in the thermal image so that it can be replaced. Typically, when mechanical components become worn and less efficient, the heat dissipated will increase. Consequently, the temperature of faulty equipment or systems will increase rapidly before failure. By periodically comparing readings from a thermal imaging camera with a machine’s temperature signature under normal operating conditions, you can detect a multitude of different failures. Suspected roller Overheated bearing This thermal image shows an electric engine under normal operation. Motors can also be inspected with a thermal imaging camera. Motor failures like brush contact-wear and armature shorts typically produce excess heat prior to failure but remain undetected with vibration analysis, since it often causes little to no extra vibration. Thermal imaging gives a full overview and allows you to compare the temperature of different motors. Other mechanical systems monitored with thermal imaging cameras include couplings, gearboxes, bearings, pumps, compressors, belts, blowers and conveyor systems. Examples of mechanical faults that can be detected with thermal imaging are:
- Lubrication issues
- Overheated motors
- Suspect rollers
- Overloaded pumps
- Overheated motor axles
- Hot bearings
These and other issues can be spotted at an early stage with a thermal imaging camera. This will help to prevent costly damages and to ensure the continuity of production. Motor: Bearing Problem. Motor: Internal Winding Problem. References: Flir Systems
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Ever since the first commercial thermal imaging camera was
sold in 1965 for high voltage power line inspections, by what
would later become FLIR Systems, the use of thermal imaging
cameras for industrial applications has been an important market
segment for FLIR.
Since then thermal imaging technology has evolved. Thermal
imaging cameras have become compact systems that look just
like a digital video camera or digital photo camera. They are easy
to use and generate crisp real-time high-resolution images.
Thermal imaging technology has become one of the most
valuable diagnostic tools for industrial applications. By detecting
anomalies that are usually invisible to the naked eye, thermal
imaging allows corrective action to be taken before costly
system failures occur.
Automated Logic’s ZN253 provides unprecedented power and flexibility through fully programmable networked controllers. The ZN253 controllers connect to the Building Automation System (BAS) network using BACnet over ARCNET 156 kbps or MS/TP. The ZN253 supports a line of RS room sensors using its Rnet port.
Automated Logic’s ZN220 provides unprecedented power and flexibility through fully programmable networked controllers. The ZN220 controllers connect to the Building Automation System (BAS) network using BACnet over ARCNET 156 kbps or MS/TP. The ZN220 supports a line of RS room sensors using its Rnet port.
Powerful Multi-Equipment Controllers
ME 812U Line – Powerful Multi-Equipment Controllers
The ME812U controllers have the speed, power, memory, and I/O flexibility to handle the most demanding control applications in the industry. Capable of controlling multiple pieces of equipment simultaneously, this robust BACnet controller can support complex control strategies with plenty of memory for trends, and is capable of third party integration using other communication protocols.
Powerful Multi-Equipment Controller and Router
ME-LGR Powerful Multi-Equipment Controller and Router
Combining the features of our powerful multiequipment controller with a high-speed BACnet® router, the ME-LGR can do it all. Need 100 Mbps communications to a critical control site? Need to control multiple pieces of equipment at that site? Need to integrate third-party equipment on a proprietary network with your BACnet system? No problem. The ME-LGR can do it all, and it can also serve as a router to controllers on an ARCNET 156 kbps or MS/TP network.
Automated Logic’s Equipment Portal (EQ-PRTL) sets a new standard for integrating other manufacturers’ equipment into WebCTRL®. EQ-PRTL is a powerful gateway to a single piece of equipment /device using proprietary or open protocols such as Modbus and LonWorks. Support for BACnet® over ARCNET 156 kbps and MS/TP communications are standard.
Introduction To Building Management Systems
A BMS is most common in a large building. Its core function is to manage the environment within the building and may control temperature, carbon dioxide levels and humidity within a building. As a core function in most BMS systems, it controls heating and cooling, manages the systems that distribute this air throughout the building (for example by operating fans or opening/closing dampers), and then locally controls the mixture of heating and cooling to achieve the desired room temperature. A secondary function sometimes is to monitor the level of human-generated CO2, mixing in outside air with waste air to increase the amount of oxygen while also minimising heat/cooling losses.
Systems linked to a BMS typically represent 40% of a building\\\’s energy usage; if lighting is included, this number approaches 70%. BMS systems are a critical component to managing energy demand. Improperly configured BMS systems are believed to account for 20% of building energy usage, or approximately 8% of total energy usage in the United States.
As well as controlling the building\\\’s internal environment, BMS systems are sometimes linked to access control (turnstiles and access doors controlling who is allowed access and egress to the building) or other security systems such as closed-circuit television (CCTV) and motion detectors. Fire alarm systems and elevators are also sometimes linked to a BMS, for example, if a fire is detected then the system could shut off dampers in the ventilation system to stop smoke spreading and send all the elevators to the ground floor and park them to prevent people from using them in the event of a fire.
Functions of Building Management Systems
The three basic functions of a central, computer-controlled BMS are:
the building’s facilities, mechanical, and electrical equipment for comfort, safety, and efficiency.
A BMS normally comprises of:
• Power systems
• Illumination system
• Electric power control system
• Heating,Ventilation and Air-conditioning HVAC System
• Security and observation system
• Magnetic card and access system
• Fire alarm system
• Lifts, elevators etc.
• Plumbing system
• Burglar alarms, CCTV
• Trace Heating
• Other engineering systems
• Home Automation System
• Fire alarm and Safety system
Benefits of BMS
• Good control of internal comfort conditions
• Possibility of individual room control
• Increased staff productivity
• Effective monitoring and targeting of energy consumption
• Improved plant reliability and life
• Effective response to HVAC-related complaints
• Save time and money during the maintenance
• Higher rental value
• Flexibility on change of building use
• Individual tenant billing for services facilities manager
• Central or remote control and monitoring of building
• Increased level of comfort and time saving
• Remote Monitoring of the plants (such as AHU\\\’s, Fire pumps, plumbing pumps, Electrical supply, STP, WTP etc.)
• Ease of information availability problem
• Computerized maintenance scheduling
• Effective use of maintenance staff
• Early detection of problems
• More satisfied occupants
WebCTRL® Environmental Index™
Balancing Efficiency with Comfort
As energy prices continue to soar, facility managers are under increasing pressure to find ways to cut building operating costs. A simple solution would be to decrease energy consumption, but smart managers know that sacrificing comfort for energy savings could lead to even bigger financial problems. After all, studies have shown productivity decreases as comfort levels decline, leading to lost revenues in companies and difficult learning environments in school systems. What’s needed is a way to measure comfort, so managers would know exactly how far to cut energy usage without negatively impacting comfort. Automated Logic’s Environmental Index provides the solution. Since the key component of comfort is temperature, ALC’s index starts with assigning point values based on the difference between zone temperature and heating and cooling set points. Other factors, such as humidity and CO2 levels, can also be computed into the numeric system to reflect one “comfort” score for all factors. This is a powerful tool for facility managers who need to identify buildings with performance problems or ensure buildings don’t become less efficient as changes are made.