Overview of BALLUFF proximity switch components

NegotiableUpdate on 02/16

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Explanation of BALLUFF proximity switch components $r $n Product model: BES 516-3005-G-E4-C-S49-00 $r $n The oscillator is composed of an inductor coil, a capacitor, and a transistor, and generates an alternating magnetic field. When a metal object approaches this magnetic field, eddy currents are generated inside the metal object, causing the oscillation to stop. This change is amplified by the back pole and converted into a transistor switch signal output.

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Overview of BALLUFF proximity switch components

Product model: BES 516-3005-G-E4-C-S49-00,2

Induction surface, material PBT

Interface cable and connector, M8x1 male head, 3-pin, 0.20 m, PUR

Working voltage Ub 10~30 VDC

Environmental temperature -25... 70 ° C

This type of switch is sometimes called an inductive proximity switch. It uses conductive objects to generate eddy currents inside the object when approaching the proximity switch that can generate an electromagnetic field. This eddy current reacts with the proximity switch, causing changes in the internal circuit parameters of the switch, thereby identifying the presence or absence of conductive objects moving closer and controlling the on or off of the switch. The object that this proximity switch can detect must be a conductive material.

Size Ø 5 x 27 mm

Structure M5x0.5

In various switches, there is a component that has the ability to "perceive" objects approaching it - a displacement sensor. The use of displacement sensors to control the on or off of proximity switches based on their sensitivity to approaching objects is called proximity switches.

When an object moves towards the proximity switch and approaches a certain distance, the displacement sensor will "sense" and the switch will act. This distance is usually referred to as the 'detection distance'. But the detection distance of different proximity switches is also different.

Sometimes the object being tested is moved towards the proximity switch one by one at a certain time interval, and then left one by one, repeating this process continuously. Different proximity switches have different response capabilities to the detected object. This response characteristic is called "response frequency".

Install flush

Scope of action 1.5 mm

PNP normally open contact (NO) at the output end of the switch

Switching frequency 5000 Hz

Shell material stainless steel

The measurement of this type of switch usually involves one electrode of the capacitor, while the other electrode is the outer shell of the switch. This casing is usually grounded or connected to the device casing during the measurement process. When an object moves towards a proximity switch, regardless of whether it is a conductor or not, its proximity always causes a change in the dielectric constant of the capacitor, resulting in a change in capacitance and a change in the state of the circuit connected to the measuring head. This allows for the control of the switch's on or off state. The objects detected by this proximity switch are not limited to conductors, but can also be insulating liquids or powders.

Overview of BALLUFF proximity switch components