UE48-2OS2D2 datasheet(57/92 Pages) SICK

57 / 92 page

S e n S : c o n t r o l - S a f e c o n t r o l S o l u t I o n S | S I c K

8015528/2012-12-17

Subject to change without notice

Safety relays

Evaluation units for switching contacts

5 7

ue43-4ar

dimensional drawings

dimensions in mm (inch)

Screw-type terminals

(3.25)

82.5

(3.67)

93.3

(3.8)

96.5

(1.9)

48.3

(2.63)

66.7

(2.48)

Plug-in screw-type terminals

(3.07)

(3.67)

93.3

(3.8)

96.5

(2.28)

(2.64)

(3.35)

connection diagram

Power

Reset

CH 1

CH 2

Control-Logic

S34

23 33 43

14 24 34 44

S21 S11

S12 S52 S22

–

Function

After applying the supply voltage (LED SUPPLY illuminates),

the normally open contacts remain open. If the connected

sensor is not activated or the protective field of the connected

electro-sensitive protective equipment (ESPE) is not broken (i.e.

the input circuits are closed), then the normally open contacts

close immediately in automatic reset, LED K1 and K2 illumi-

nate. The activation of the sensor or incursion into the protec-

tive field of the non-contact safety device (open state of one of

the two input circuits) affects the opening of the normally open

contacts (LED K1 and K2 off).

External device monitoring (EDM)

The UE43-4AR unit can take over external device monitoring.

The contactor monitoring system monitors the external relays

by way of their normally closed contacts. Connect the EDM

contacts between S11 and S34, they replace the wire link.

Automatic reset

S11 - S34 must be linked.

Cross-circuit detection

Cross-circuit is detected on dual-channel wired systems, if

these are wired with opposing polarity.

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