1.6.0.1 doppel-merf 11.06_e - Klaschka

Inductive Proximity Switches
Type Double- and Multiple
Double Switch
Inductive double switches are proximity switches with two separate
sensor elements (sensing faces) for the non-contacting and
contactless interrogation of two different positions in order to detect
travel paths (position sensor) or directions of movement (backwardsforwards
identification) of an actuator. These positions may, for
example, be two end positions or specific positions.
Double switches along with feeding devices are also used in what are
known as clamping and gripping systems. These systems serve to
clamp, hold and stop when welding or joining components such as
steel sheets and mouldings. The clamping systems consist, amongst
other things, of so-called toggle clamps which may be operated
electrically or pneumatically. The two end positions of the clamp lever
are interrogated by means of a double switch. While in the example
(see adjacent figure) the right sensor is firmly arranged, the angular
position of the opened gripper can be modified by a different
placement of the left sensor element. The two sensor elements
interrogate the end positions, clamp "open” and "closed”. The
cylindrical evaluator is located on a special plastic holder. A large allround
inspection window clearly shows the switching status in each
case.
Applications
The sensor elements can be provided with supply leads of up to 1 m in
length for end positions lying further apart (> 100 mm). This allows the
detection of even large travel paths in machines. The sensor elements
can be accommodated in a ceramic envelope with heat resisting
supply lead where increased temperatures of up to 300 °C are present
at the measuring location. The sensor element can also be designed
with a high degree of protection (IP68).
The two-channel evaluator allows an operating frequency of up to 20
kHz and sits in a metal housing with a large all-round inspection
window on the end face to display the switching status. The switch is
insensitive to magnetic fields up to 100 mT and non-welding. The
holder for the evaluator is made of injection moulded plastic and must
be structurally adapted to each application.
The inductive double switch has the following significant advantages:
− Smallest design of the sensor elements having a sensing face with
a 6 mm diameter
− Operating frequencies of up to 20 kHz
− Evaluator and sensor elements are easy to install
1.6.0.1
2 Sensor Fühlerelemente elements
Doppelschalter
Double switch
© by Klaschka GmbH & Co. KG • D-75233 Tiefenbronn • Fon +49 7234 79 0 • Fax +49 7234 79 112 • info@klaschka.de • www.klaschka.de

Type Double Switch
Type
IAD2/H-18zr42n2-11Sd1C
Ref. No.
15.14-08-000
Switching distance
in mm
Mounting *)
2 n
*) b = flush mounting, n = non-flush mounting, t = partially flush mounting
© by Klaschka GmbH & Co. KG • D-75233 Tiefenbronn • Fon +49 7234 79 0 • Fax +49 7234 79 112 • info@klaschka.de • www.klaschka.de
1.6.0.2