Inductive Couplers Explained Working Principles and Application Examples

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▶ C'mon over to https://realpars.com where you can learn PLC programming faster and easier than you ever thought possible! • • ▶ You can read the full post here • https://realpars.com/inductive-couplers • ============================= • ⌚Timestamps: • 00:00 - Intro • 00:36 - What is an inductive coupler? • 02:27 - Different types and installation • 03:25 - Applications • 03:39 - 1) Rotating workstation • 04:56 - 2) Workpiece frame • 05:53 - 3) Robot’s end of arm tooling • ============================= • In this video, we will be talking about inductive couplers. We will explain what an inductive coupler is, how it works, and give some examples of how they are used with automation. • An inductive coupler is a device that is used to transmit 24-volt DC power and 24-volt DC input and output signals over an air gap between its two components. • The components of an inductive coupler are called the base and the remote. Not all base components are compatible with all remote components. • The base is the component that gets connected to 24-volt DC power. The base will also need its input and output signal wires connected in order to work with its remote component. • When the base has 24-volt DC power connected, it creates a magnetic field that when aligned reacts with the remote. • Inductive couplers have circuitry that changes the magnetic field of the individual input and output signals. Inductive couplers can have up to eight individual signals. • The remote component gets connected to the input and output devices, to supply 24-volt power and to send or receive the input or output device signals. • A sensor distribution box can be used here for a cleaner installation. It also makes it easier to install the input and output devices to the remote component. • Inductive couplers come in many different shapes and sizes. Some are square or rectangular shaped and can be mounted by just bolting them into place. • Others are threaded cylindrical shaped and can be mounted by drilling and tapping a hole with the same thread as the inductive coupler and then using a jam nut to lock it into place. There are also brackets you can use to make mounting an inductive coupler easier. • To install an inductive coupler to optimize the 24-volt power transfer from the base component to the remote component, mount the base component and the remote component so that they are aligned. • After the base and the remote are mounted and aligned, set up the air gap between them per the manufacturer’s installation instructions. • Inductive couplers are used in many different ways in automation. • 1) On the rotating workstation example, let’s say they build two different parts at a workstation, part A and part B. To switch from building on the part A side to the part B side, they just need to turn the workstation table 180 degrees. • Sometimes inductive couplers can be used to help limit how many inputs and outputs are needed. • Instead of each side using its own unique inputs and outputs, the inductive coupler base can be wired to use the same inputs and outputs for both sides. • 2) A workpiece frame is just a frame used to hold a part while it is being built during production. Let’s say we are building parts using workpiece frames on an assembly line. • At the first workstation, they install the main piece onto the workpiece frame and attach a bracket to this piece. • First, the workpiece frame is put into position and the inductive coupler turns on the sensors. They install the correct parts and the workstation sees that the correct sensors are on before enabling the tool that will connect these parts. • When the tool is done connecting the parts together, the workpiece frame is released from the workstation and is ready to go to the next assembly station. • 3) An inductive coupler can be used to power the sensors on a robot’s end of arm tooling. The robot end of arm tooling is the part that gets bolted to the end of the robot arm. • Some reasons an inductive coupler might be used on a robot’s end of arm tooling might be the way the robot has to move or if the robot has a tool changer. • If the robot moves in such a way that the sensor cables might get pulled, pinched, or snagged an inductive coupler might be able to correct these issues. • ============================= • Missed our most recent videos? Watch them here: • https://realpars.com/isa100-wireless-... • https://realpars.com/contactor • https://realpars.com/capacitive-sensor • ============================= • To stay up to date with our last videos, make sure to subscribe to this YouTube channel: • http://bit.ly/realpars • ============================= • TWEET THIS VIDEO https://ctt.ac/rFq0I • ============================= • Follow us on Facebook: / therealpars • Follow us on Twitter: / realpars • Follow us on LinkedIn / realpars • Follow us on Instagram / realparsdotcom • #RealPars #Inductive #coupling

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