Difference between HART and Foundation Fieldbus
HART and Foundation Fieldbus Technologies HART Devices using HART communication technology hit the market in the early 1980's and there are around 10 million HART devices in service throughout the…
Transmitter Calibration Procedure
In today’s environment of shrinking cost margins and increased regulations, maintaining properly calibrated equipment becomes ever important. Even the smallest inaccuracy in process measurements can cause a significant loss in…
What is a Fieldbus Terminator and How Does it Work?
First let’s define exactly what a fieldbus terminator is. A fieldbus terminator is a component of a fieldbus system that is the equivalent of a 1 µF capacitor and a…
Difference between Fieldbus and Profibus
The short answer is: although both “buses” are very similar, they are not the same! Here is what’s different: PROFIBUS is the overall name for a process fieldbus solution that…
Selecting the Best Inductive or Capacitive Sensor
Hundreds of different proximity sensors are available for use in automation applications. There are several points to consider when you look for a sensor, as your choices could affect your…
Motor STAR – DELTA Starter Working Principle
Motor STAR – DELTA Starter Working principle. A Dual starter connects the motor terminals directly to the power supply. Hence, the motor is subjected to the full voltage of the…
Why we use NAMUR Output Sensor?
Proximity sensors and encoders can have NAMUR output NAMUR is a type of sensor output that gives an on or off indication. There are different reasons why you may need…
Differences between No-load Supply Current and Load Current
The current consumption of an industrial sensor is a very important consideration. Knowing the current consumption of all your devices on a machine allows you to size wire properly and…
How to Select a Inductive Proximity Sensor
Detecting the presence or absence of a metal may seem like a fairly simple concept, but narrowing your selection to a specific sensor can sometimes be a difficult project. These…
Safety Instrumented System Module Failure
The international standard IEC/EN 61508 has been widely accepted as the basis for the specification, design and operation of safety instrumented systems (SIS). As the basic standard, IEC/EN 61508 uses…
