SLS 011 Conveyor Misalignment Switch

KIEPE belt misalignment switches of type SLS are designed for heavy duty application and used at fixed belt conveyors according to DIN EN 620 requirements in order to keep the risk of uninten- tional operation as low as possible. The lateral movement of the conveyor belt is monitored and by switching off the conveyor in the case of unacceptable belt drift, the belt monitoring prevents damage and destruction of the belt and the machine.

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Description

APPLICATION

KIEPE belt misalignment switches of type SLS are designed for heavy duty application and used at fixed belt conveyors according to DIN EN 620 requirements in order to keep the risk of uninten- tional operation as low as possible. The lateral movement of the conveyor belt is monitored and by switching off the conveyor in the case of unacceptable belt drift, the belt monitoring prevents damage and destruction of the belt and the machine.

FUNCTION

Inadmissible belt drift occurs when the belt edge approaches the end of the supporting rollers through lateral movement and sur- passes it. Then the actuator (roller lever) is operated and displaced. In the case of displacement of the actuator, the cam operating switches are activated.

TECHNICAL DATA

The Kiepe misalignment switch type SLS complies with the Low Voltage Directive 2014/35/EU. It features a robust glasfibre plastic enclosure (bulk molded compound) and is equipped with 2 force- actuated changeover contacts with snap-action function with two adjustable switching points.

Note: The misalignment switch may only be used in control circuits

The switching angle can be set via an adjustable camshaft. In this way, a pre-warning can be implemented in addition to the safety shutdown. As soon as the belt moves correctly , the roller lever will automatically return to its home position.

Designation

Misalignment Switch Type SLS

Type of actuation

Bidirectional

Complies with

DIN EN 60204-1 DIN EN 60947-5-1 EN 620

Suited for

Control units and systems in accordance with DIIN EN 60204

Mechanics

Enclosure

Bulk moulded compound plastic

Finish

DD-paint yellow, RAL 1004

Actuating lever

Stainless steel; ∅ 50 mm, ball-beared roller

Mounting

2 slotted holes for M8-screws

Installation position

Horizontal, tilt angle up to about 30°

Deflection of roller lever

Maximum +/-75°

Mechanical reliability

> 10,000 actuations

Weight

2.3 kg

Electrical system

Switching system

2 changeover contacts (SPDT with snap action);
cam operated positive-opening switches; self-cleaning

Switching range

5°…15° and 15°…35°, adjustable, factory set at 10 degrees each

Cable entry

Threaded holes 2x M25x1,5 with each
1x screwed cable gland: sealing area ∅ 11mm to ∅ 16mm; 1x dummy screw

Utilization category

AC-15: 230 V; 1.5 A DC-13: 60 V; 0.5 A DC-13: 24V; 2A

Connection cross section

0.75mm2 to1.5mm2

Protective conductor connection

Class II: reinforced and double insulated housing

Rated insulation voltage Ui

250 V

Rated impulse withstand voltage Uimp

2.5 kV, overvoltage category II, degree of pollution 3

Conventional thermal current Ith

6A

Contact reliability

30,000 operations with 100% Ie

Ambient conditions

Permissible ambient temperature

– 25°C… +70°C

Extended ambient temperature

– 40°C… +70°C (type SLS 7xx)

Protection rating

IP65 / IP67 in accordance with EN 60529

SELECTION TABLE

Type

Contact configuration

Extended temperature range –40°C …+70°C

Ventilation membran

Order number

SPDT

LI

SLS 011

2

92.064 251.011

SLS 017

2

x

92.064 251.017

SLS 711

2

x

92.064 251.711

Equipment options:

Devices for two-wire bus-system
Cable gland M25x1.5; sealing area ∅ 11mm to ∅ 16 mm Cover SLS

MOUNTING

Type SLS 1 misalignment switches are fastened in installation position on a substructure with 2 M8 screws each. In the case of misalignment, the belt 2 must not leave the lateral guide rollers. The position of the misalignment switches shall be chosen such that the belt 2 makes contact with the actuation roller of the mis- alignment switch preferably perpendicularly. The actuation roller of the misalignment switch is not touched during normal operation.

The roller lever can be replaced and can be affixed freely in the directions of rotation on the switch axis.

The electrical connection is made directly at the screw joints of the switching elements in the housing via the cable gland, included in the delivery. A second cable gland is possible when replacing the screw plug on the opposite site.

Spare parts and accessories:

Screw plug; M25 x 1.5

Roller lever, stainless steel, ∅ 50 mm

113.51.00.20.10

113.43.87.20.01

93.067 319.001

93.055 201.101

MOUNTING DIAGRAM

page3image31846016 page3image31840256

1 Misalignment Switch 2 Belt
3 Support roller

21

3

Sketch of conveyor with support rollers and belt

Additional information
Brand

KIEPE ELECTRIC

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