2 Wire Proximity Sensor Connection With Plc
2 Wire Proximity Sensor Connection With Plc. It is simply two wire circuit coming from digital input module. In this type of wiring, it is working fine.
In this article, we will consider only devices that have three wires that need to be connected to the plc digital input card. So putting these together should work. When an object enters the detecting range of the sensor, the output of the sensor is connected with +24v.
A Common Wire Is Used To Reduce The Number Of Terminal Connections Made Between Sensors And A Plc.
Theoretically, the sensor is easily replaced by a mechanical switch that is open or closed depending on. A power wire, a ground wire and a switch wire. When connected to a plc input, it detects this as a logic high signal.
An Example, An Inductive Proximity Switch, Is Shown In The Image Below.
It is simply two wire circuit coming from digital input module. In this article, we will consider only devices that have three wires that need to be connected to the plc digital input card. 2 wire pressure transmitter wiring diagram.
So Putting These Together Should Work.
The blue wire is connected to the 0v side of the power supply; Wiring a discrete dc sensor to a plc input card is easy and straightforward. In this way, the signal flows out from the input point.
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When an object enters the detecting range of the sensor, the output of the sensor is connected with +24v. At the same time, the sensor signals its switch state via the same two connecting wires. You can see that when the proximity switches, the sensor then connects the load to 24vdc.
In This Case You Would Just Connect The Brown Wire To The Input And The Blue Wire To The Ground Of Your Power Supply.
The common point of the plc input is connected to the 0vdc supply and the black wire of our sensor is connected to the plc input. A 2 wire transmitter has only 2 wire s and is connected in series with the power supp. Typically in factory automation applications 2 or 3 wire sensors are implemented within the process, and as you know from my prior post a 3 wire sensor has the following 3 wires;
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