Page 118 - Parker - OSP-P Pneumatic Rodless Cylinders and Linear Guides

Catalog 0980 OSP-P Pneumatic Rodless Cylinders and Linear Guides
Magnetic Switches OSP-P Sensors

type RSt Magnetic Switches and lifting magnets, voltage peaks
(transients) are generated which
In the type RST contact is made by a RSt and eSt must be suppressed by protective
mechanical reed switch encapsulated diodes, RC loops or varistors.
in glass. electrical Service Life
Protective Measures Connection examples
Magnetic switches are sensitive to Load with protective circuits
type eSt excessive currents and inductions.
With high switching frequencies (a) Protective resistor for light bulb
In the type EST contact is made by and inductive loads such as relays, (b) Freewheel diode on inductively
an electronic switch – without solenoid valves or lifting magnets, (c) Varistor on inductively
bounce or wear and protected from service life will be greatly reduced. (d) RC element on inductively
B pole reversal. The output is short With resistive and capacitative ������
circuit proof and insensitive to shocks
and vibrations. Connection is by 3-pole
connector for easy disconnection. loads with high switch-on current, ������ ��� ��� ��� ���
such as light bulbs, a protective
Fitted with connection cable 100 mm resistor should be fitted. This also ������
long with connector. applies to long cable lengths and ������
A 5 m cable with connector and open voltages over 100 V.
end can be ordered separately, or use
the Order No. for the complete In the switching of inductive loads For the type EST, external protective
Type ES with 5 m cable. such as relays, solenoid valves circuits are not normally needed.

electrical Connection electrical Connection
type RSt-K type eSt-K
Normally closed

brown (bn) �����
blue (bu) �������
�����
brown (bn) �
black (bk) ��
blue (bu) �
Normally open
brown (bn) �����
blue (bu) �������
�����

electrical Connection electrical Connection
type RSt-S type eSt-S

brown (bn) � ����� brown (bn) � �
blue (bu) � ������� black (bk) � � ��
�����
blue (bu)
�

B106 Parker Hannifin Corporation
Parker-Origa
ORIGA Glendale Heights, Illinois
www.parker.com/pneu/rodless