SK 37 / SK 38 - ASO Safety
SK 37 / SK 38 - ASO Safety
SK 37 / SK 38 - ASO Safety
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
5. Device overview<br />
5.1 Signal indicator<br />
LED Power green / red<br />
Suppl�� voltage 24 V applied (green)<br />
Error during internal sel�-test (red)<br />
LED CH 1 yellow/red<br />
Sensor activated (��ellow) or<br />
Sensor circuit interrupted (red)<br />
LED CH 2 yellow/red<br />
Sensor activated (��ellow) or<br />
Sensor circuit interrupted (red)<br />
LED AUX. 1 orange<br />
Auxiliar�� output switched<br />
LED AUX. 2 orange<br />
(<strong>SK</strong> <strong>38</strong> onl��)<br />
Auxiliar�� output switched<br />
5.2 Connection terminals<br />
+24 V 0V V Suppl�� voltage 24 V D�, ±10 %<br />
X1 X2 �onnection sensor 1<br />
Y1 Y2 �onnection sensor 2<br />
13 14 Rela�� switching contact 1<br />
Y1 Y2 -- --<br />
X1 X2 31 32<br />
Power<br />
CH 1<br />
CH 2<br />
Aux Relay<br />
<strong>SK</strong> <strong>37</strong><br />
0V +24V 13 14<br />
S11 S12 Z1 Z2<br />
Y1 Y2 41 42<br />
X1 X2 31 32<br />
Power<br />
CH 1<br />
CH 2<br />
Aux Rel 1<br />
Aux Rel 2<br />
<strong>SK</strong> <strong>38</strong><br />
0V +24V 24 14<br />
S11 S12 Z1 Z2<br />
(13 = input +24 V D�, +10 % / -50 %, with <strong>SK</strong> <strong>38</strong> connected internall��)<br />
24 Rela�� switching contact 2 (<strong>SK</strong> <strong>38</strong> onl��)<br />
31 32 Switching contact auxiliar�� output 1<br />
41 42 Switching contact auxiliar�� output 2 (<strong>SK</strong> <strong>38</strong> onl��)<br />
Z1 Z2 �onnection - manual reset/restart (button NO; optional)<br />
S11 S12 �oding inputs mode<br />
5.3 Versions<br />
Version <strong>SK</strong> <strong>37</strong>-72 <strong>SK</strong> <strong>38</strong>-72<br />
<strong>Safety</strong>-related inputs 2x 2x<br />
<strong>Safety</strong>-related outputs 1x 2x<br />
(2nd contact internally<br />
bridged to +24 V)<br />
Auxiliary outputs 1 2<br />
English<br />
15
Change language