1. What exactly is a SCADA network? Supervisory control and data acquisition is an abbreviation for a computer system that collects and analyses real-time data. SCADA systems are used to monitor and control industrial machinery. 2. Define Supervisory Control? Supervised control is a catch-all term for the control of a large number of individual controllers …
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1. What is RTD? RTDs (Resistance Temperature Detector) are temperature detectors whose resistance changes as the temperature rises. RTDs are used for continuous temperature measurement and have a positive temperature coefficient. When the temperature rises, the resistance of the RTD decreases. Advantages of RTD: 1). More accurate 2). Linear output 3). High sensitivity Disadvantages of RTD: …
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1.Define Instrumentation Engineering? Instrumentation engineering is a branch of engineering that focuses on the principles and operation of measuring instruments used in the design and configuration of automated systems in the electrical, pneumatic, and other domains. 2. What is the job of an Instrumentation Engineer? The required tasks vary greatly depending on the domain; instrumentation …
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What is a process alarm in Control System? An alarm system is created to govern the attention of plant operators to serious conditions of the existing status of the process plant. Various types of alarms in DCS/PLC: Types of alarms available in control system 1. Process Alarm: These are the alarms related to the process …
What are alarm, trip point, and alarm priority in DCS & PLC? Read More »
A fire alarm system would provide protection for life and property. The major purpose of a fire alarm system is to detect the fire and then notify the occupants in the building. Thus, the evacuation can be easily carried out; it would also notify the fire suppression system and thereby fire can be controlled. By …
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Basic Operation of Current to Pressure Transducer: Typical Input and output configuration for the I to P Converter: Tools required for performing calibration: The tools required for calibrating I-P transducer is shown below. Equipment involved in calibration: Things to consider before performing calibration in process area: Safety Precaution during calibration: In calibrating the I-P transducer: …
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What are five-point calibrations? Every measurement system has several types of measurement errors such as Static error: Dynamic Error: What are measurement lag and fidelity? Basics of Instrument Calibration: What are the basic steps involved in instrument calibration? The four basic steps involved in instrument calibration. During the calibration of an instrument: What Steps are …
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What is P & ID? P&ID stands for “process and instrumentation diagram,” and it is a detailed graphic representation of a process that also includes the hardware and software required to design, construct, and control the facility. This representation is applicable in the Process Industry Practices (PIP). Valve PID Symbol: Line PID Symbol: Instrument PID …
Principle of capacitance type level measurement Where: C = capacitance in Pico-farads (pF) E = a constant called absolute permittivity of free space K = relative dielectric constant of the insulating material A = effective area of the conductors d = distance between the conductors LRV & URV adjustment of capacitance type level transmitter Calibration …
Calibration, Troubleshooting and Installation of Capacitance Type Level Transmitter Read More »
What is valve stem packing and why it is required? Selection criteria for Control Valve Stem Packing Selection of the right device to carry valve packing to avoid damage like scratches on the valve stem, and valve packing chamber or stuffing box. Few main criteria for the selection of control valve stem packing. Packing materials …
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