Two-wire transmitter technology came about from an agreement among various instrument suppliers in the 1950s to standardize on 4-20 mA current loops as a means of sending a flow, temperature, pressure ...
An interesting analog design problem is the precision current source. Many good designs are available, but most are the three-wire types that can be used as a positive (see Figure 1) or a negative ...
Although Christmas may be several weeks behind us, various colorful LED contraptions can nowadays be found in our houses at any time of year. [Tim] got his hands on an LED curtain that came with a ...
While addressable LED strips are all the rage, [Mike] from [mikeselectricstuff] has been working on an installation using the more basic two-wire strips that are simply controlled via PWM dimming.
Just because you can connect two wires together, it doesn’t mean that you should, but if you need to, then here’s how. Let me start out by cautioning the reader: Just because you can connect two wires ...
CHATSWORTH, CA--(Marketwired - Feb 5, 2014) - Venstar®, a leading thermostat and energy management systems supplier, today announced its Two-Wire Kit (ACC0436), which can easily and affordably convert ...
At the ARC Forum 2020, Paul Sereiko and Ted Masters of the FieldComm Group gave a preview of the forthcoming NAMUR Open Architecture Information Model (NOA-IM) and the role FieldComm Group is playing ...
At times, designers face a limited amount of wire and/or a limited cost to communicate with a remote device such as a sensor. Many devices allow communication over an ac or dc power line employing an ...