IoT & Hardware
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You're reading from  Industrial Automation from Scratch

Product typeBook
Published inJun 2023
PublisherPackt
ISBN-139781800569386
Edition1st Edition
Concepts
Industrial Internet of Things
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Author (1)
Olushola Akande
Olushola Akande
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Olushola Akande

Olushola Akande is an industrial automation and robotics expert with over 10 years of experience in the design and development of automation and robotics-related projects. He is an industrial automation trainer and consultant with a passion for driving industries to achieve greater results by doing work more accurately with less effort of human control. He is the chief executive officer (CEO) of Showlight Technologies Limited, an industrial automation, robotics, artificial intelligence (AI), and machine learning (ML) training and servicing company in Lagos, Nigeria. He is a member of the Schneider Electric team involved in the installation of Integrated Control and Safety Systems (ICSSs), which includes high-integrity PLCs, supervisory control and data acquisition (SCADA) systems, and distributed control systems (DCSs) at the largest oil refinery in Africa (Dangote Oil Refinery) at Lekki Free Zone, Lagos, Nigeria.
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PLC wiring (3) – Wiring of photoelectric sensors (retro-reflective)

We also discussed photoelectric sensors in Chapter 2, Switches and Sensors – Working Principles, Applications, and Wiring; in this section, we will learn how to wire a photoelectric sensor to an input module.

Figure 2.49 in Chapter 2 shows the wiring diagram of a retro-reflective photoelectric sensor.

The retro-reflective photoelectric sensor described in Chapter 2 can be made to switch to positive or negative depending on whether the input module to be used with it is sinking or sourcing. If the White (WH) is connected to positive, the Black (BK) will have an output (+ve) when an object is detected, and if the WH is connected to negative, the BK will have negative when an object is detected.

The following circuit diagram shows the wiring of a photoelectric sensor connection to a sinking input module:

Figure 7.23 – Photoelectric sensor connection to a sinking input module

Figure 7.23 – Photoelectric sensor connection to a sinking...

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Industrial Automation from Scratch
Published in: Jun 2023Publisher: PacktISBN-13: 9781800569386
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Olushola Akande

Olushola Akande is an industrial automation and robotics expert with over 10 years of experience in the design and development of automation and robotics-related projects. He is an industrial automation trainer and consultant with a passion for driving industries to achieve greater results by doing work more accurately with less effort of human control. He is the chief executive officer (CEO) of Showlight Technologies Limited, an industrial automation, robotics, artificial intelligence (AI), and machine learning (ML) training and servicing company in Lagos, Nigeria. He is a member of the Schneider Electric team involved in the installation of Integrated Control and Safety Systems (ICSSs), which includes high-integrity PLCs, supervisory control and data acquisition (SCADA) systems, and distributed control systems (DCSs) at the largest oil refinery in Africa (Dangote Oil Refinery) at Lekki Free Zone, Lagos, Nigeria.
Read more about Olushola Akande

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