Notes for FSP0015 – LoRaWAN LoRa = Long Range, low power communication technology. This is a proprietary technology owned by Semtech. Physical layer (see #1) communication mechanism uses a spread-spectrum modulation technique to communicate over a very long range (up to 15km (>9 miles) in rural areas and with good penetration on urban areas and… Read More »
Notes for FSP0014 – Modbus Modbus is protocol for industrial automation and communication defines both a communication structure and a data model. is an application layer protocol. I talked more about protocol stacks and layers in #1 of this podcast (How the Internet Works) if you want more information about that. was developed by… Read More »
Notes for FSP0013 – BACnet BACnet is a data communication protocol for Building Automation and Control Networks B, A, C is for Building, Automation, Control (B,A,C) net is for Networks (so BAC, net) BACnet defines standard methods of communication and data representation that allow building automation and control devices from different manufacturers to communicate… Read More »
Notes for FSP0012 – Energy Recover Ventilation (ERV) (Scroll to bottom for drawings of fixed-plate heat exchanger and enthalpy wheel) Motivation: In most places, most of the time, the air inside of our buildings is either too hot or too cold or too humid or too dry for our intended use. In order to bring… Read More »
This is a quality of life improvement that is really simple to implement as long as you have access to the Internet, basic office equipment, and a smartphone. What is a QR code? A QR code (QR = Quick Response) is a 2 dimensional barcode originally designed for use in automotive industry in Japan. Designed… Read More »
Notes for FSP0010 – Maintenance Planning and Scheduling Maintenance Planning is the process of answering the following questions: What needs to be done? How should it be done? What is needed in order to do it? Maintenance Scheduling is the Process of answering the following questions When does it need to be done? Who… Read More »
Notes for FSP0009 – Electrical Safety Devices This is about electrical safety devices, specifically circuit breakers, fuses, GFCI (RCD) and AFCI (or AFDD). Two types of overcurrent devices with similar function: circuit breakers and fuses Circuit breakers Opens the circuit when more than the rated current is detected. In the context of power distribution… Read More »
Notes for FSP0008 – Power Distribution Inside Buildings I’m in the US. I’m going to talk about US voltages and use US terminology because it’s what I am most familiar with. The exact details might be different for other parts of the world, but electricity works the same everywhere, so the concepts will apply… Read More »
Notes for FSP0007 – Refrigerant What is refrigerant A refrigerant is a substance (sometimes a mixture of substances) that is used in a refrigerant cycle to move heat from one place to another. A substance that we use as refrigerant has certain properties that make it suitable for this use which I will get… Read More »
Notes for FSP0006 – Basic Electricity and Power There are quite a few electricity and power related topics I think are relevant to cover on this podcast, might make sense to first cover some of the basic concepts of electricity and power as they are used in the context of facilities management and engineering. Hope… Read More »