Installation & Commissioning Tips for HART Devices
WirelessHART technology brings a new dimension to the world of process automation. Building on the proven success of the HART Protocol, the WirelessHART extends the reach of process instrumentation in a…
Wireless HART Communication Protocol Overview
As the need for additional process measurements increases, users seek a simple, reliable, secure and cost-effective method to deliver new measurement values to control systems without the need to run…
What is HART Protocol ?
HART Overview The majority of smart field devices installed worldwide today are HART-enabled. But some new in the automation field may need a refresher on this powerful technology. Simply put,…
Where should we Terminate the Cable Shields ?
A shielded cable is an electrical cable of one or more insulated conductors enclosed by a common conductive layer. The shield may be composed of braided strands of copper (or…
Transformer Tap Changing Working Principle
Tap changing in Transformers It is a normal fact that increase in load lead to decrease in the supply voltage. Hence the voltage supplied by the transformer to the load…
Basics of Explosion Protection
Among the variety of products and intermediate products of the chemical and industrial process industries there are many which can form explosive mixtures with other products or with the oxygen…
Identification of Equipment
Equipment intended for use in hazardous areas must be uniquely identified by the manufacturer. To comply with EN 50014 or EN 60079-0 / EN 50020 or EN 60079-11 the equipment must be…
Operational Amplifiers Questions & Answers
1. Explain what is an operational amplifier? An operational amplifier, abbreviated as op-amp, is basically a multi-stage, very high gain, direct-coupled, negative feedback amplifier that uses voltage shunt feedback to…
Basics of Electromagnetic compatibility (EMC)
The measuring electronics of field transmitters like flowmeters are constantly becoming more efficient and more compact. Digital data processing with its microprocessors has opened up new avenues for new communications,…
Difference between TCP/IP Model and OSI Model
TCP/IP is the communication protocol to connect hosts to the Internet, while OSI is a reference model for communication between end users in the network. Transmission Control Protocol is used…
