Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Electrical & Electronics Expert

Q1. Describe what is meant by the term input and output interfaces in relation to the PLCs.

Q2. State in brief what are the functions of interfaces in relation to the various types of process signal?

Q3. The figure shown below shows a bi-directional opto coupler input interface circuit. When a supply voltage of 20 V is applied to LED carries a current and 2 V is dropped across it. Compute the value of the LED current and the value of current via 3 kΩ resistance.

425_interface circuit.jpg

Q4. The circuit shown below is part of the interface of a relay output module. Ib is 1 mA and VCC is 9 V. The relay needs a minimum of 50 mA to energize.

2434_relay output module.jpg

Complete the values of the suppositions listed below in order to compute:

a) Voltage across R1
b) Value of R1
c) Voltage across the relay coil
d) Voltage across R2
e) Value of R2
f) Collector of current Ic.

Assumptions:

Logic '1' = …. V
Logic '0' = …. V
Transistor forward current gain hfe = ….
LED current = 10 mA
LED voltage drop at 10 mA = …. V
Base/emitter voltage = …. V
Collector emitter voltage when transistor is on =  1 V

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M910086

Have any Question? 


Related Questions in Electrical & Electronics

1 what is a divergence meter how does it help visualize the

1. What is a divergence meter? How does it help visualize the behavior of the divergence of a vector field? 2. Provide two examples of physical phenomena in which the divergence of a vector field is nonzero. 3. State the ...

Assignmentpart 1 conductors1 a type tw cable containing two

Assignment: Part 1: Conductors 1. A type TW cable containing two No. 12 copper conductors has a maximum overcurrent protection of A. 15 A. B. 25 A. C. 30 A. D. 20 A. 2. Which one of the following types of wire can be use ...

A determine the magnitude of the x and y components of the

(a) Determine the magnitude of the x and y components of the force exerted on the fixed blade shown by a 3-ft 3  /s jet of water flowing at 25 fps. (b) If the blade is moving to the right at 15 fps, find the magnitude an ...

1 what are the different kinds of magnetic materials2 what

1. What are the different kinds of magnetic materials? 2. What is the magnetization vector? How is it related to the magnetic flux density? 3. Discuss how magnetization current arises in a magnetic material. 4. State the ...

An initially straight beam ab is bent into a circular arc

An initially straight beam AB is bent into a circular arc A'B' as shown in the figure. The deformation is specified as Where g(X 2 ) is a simple function of X 2 . (a) Find the deformation gradient in terms of g(X 2 ). (b ...

Write the expression for the vector distance of a point in

Write the expression for the vector distance of a point in a rectangular room from one corner of the room, choosing the three edges meeting at that point as the coordinate axes. Describe the vector distance field associa ...

1 what determines the sense of the current flow in an image

1. What determines the sense of the current flow in an image antenna relative to that in the actual antenna? 2. How does the concept of an image antenna simplify the determination of the radiation pattern of an antenna a ...

For a system specified by the transfer functionwrite sets

For a system specified by the transfer function write sets of state equations for DFII and its transpose, cascade, and parallel forms. Also write the corresponding output equations.

For a uniform plane wave propagating in free space the

For a uniform plane wave propagating in free space, the apparent phase velocities along the x- and y-directions are found to be respectively. Find the direction of propagation of the wave.

Suppose a pv module has the 1-sun i-v curve shown below

Suppose a PV module has the 1-sun I-V curve shown below. Within the module itself, the manufacturer has provided a pair of bypass diodes to help the panel deliver some power even when many of the cells are shaded. Each d ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro