Types of Protective Relays: Basically, Types of Protective Relays are analogue-binary signal converters with measuring functions. The variables such as current, voltage, phase angle or frequency and derived values obtained…
8085 Microprocessor Architecture and its Operations: Fig. 1.1 shows the 8085 Microprocessor Architecture. It consists of various functional blocks as listed below : Registers Arithmetic and Logic Unit Instruction decoder…
Features of 8085 Microprocessor: The Features of 8085 Microprocessor include : 1.It is an 8-bit microprocessor i.e. it can accept, process, or provide 8-bit data simultaneously. 2.It operates on a…
PLC Hardware Components: 1. PLC Hardware Components - The input and output interface modules consists of an I/0 rack and individual I/O modules. Input interface modules, accept signals from the…
PLC Hardware: PLC hardware falls into the following physical configuration: Fixed Input/ Output (I/O) and Modular I/O. 1.Fixed 1/0 PLCs A fixed PLC Hardware consists of a fixed, or built-in,…
AC Input: The, ac input modules that are commonly available work with 24, 48, 110 and 220 V. It is important to use the one that fits the needs based…
Delta Modulation(DM): Delta modulation(DM) is process of modulation in which train of fixed width pulses is transmitted. Their polarity indicates whether the demodulator output should rise or fall at each…
Pulse Code Modulation(PCM): Pulse Code Modulation(PCM) is different from the other forms of pulse modulation studied so far, PCM also uses sampling techniques, but it differs from the others in…