Modbus is an open standardized communication protocol that was founded by Modicon. Initially it was designed for the communication among…
Analog signals pass continuously through a full range of values for example a measuring device converts the process variable (PV),…
Consider the following figure illustrating a position control system employing a microprocessor-based controller with parallel ports: Figure 1.0 Microprocessor-based controller…
A microprocessor by itself is not a computer. To be functional, the microprocessor must be connected to other ICs that…
When steam-heated reboilers are used in distillation columns and the heating medium is steam, a flow control loop for the…
Sercos is a short form for serial real-time communication system; a digital automation bus that interconnects motion controls, drives, I/O,…
The cycloconverter provides direct ac to ac transformation with control over both the output voltage magnitude and output frequency. It…
Let’s consider the industrial process control system shown below: Figure 1.1 Industrial Process Temperature Control System The requirement is to…
Let’s consider the functional diagram below: Figure 1 DC motor power op-amp speed controller functional diagram The D/A converter outputs…
Because of the very high input gate resistance of MOSFETs, MOSFET’s fast switching speeds, and the ease at which they…
