Subject to reasonable modifications due to technical advances.
© Fuchs, Printed in Germany
39
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Iss
u
e d
a
te
: 21
.1
0.2
011
AS-Interface
Electrical connection
7.8.3
LED indicators – safety unit in VAS-4A16L-K31
The LED’s on the safety unit indicate:
7.8.4
LED indicators – safety unit in VAS-2A1L-K31
LEDs are not used in the safety unit in these devices.
1.Y1
Aux
2.Y1
K1
K3
1.Y2
2.Y2
K2
K4
2.13
+3
24 V
2.Y1
0 V
+4
1.13
2.Y2
1.Y2
2.14
+2
4.14
+1
1.14
1.Y1
3.14
Aux
24 V supply for the semiconductor outputs is present.
1Y.1, 1Y2, 2Y.1, 2Y.2
Input 1.Y1 (EDM 1/Start 1), 2.Y1 (EDM 2/Start 2), 1.Y2 (EDM 3/Start 3),
2.Y2 (EDM 4/Start 4) is turned on.
K1, K2
Contact sets 1.13, 1.14 (K1) resp. 2.13, 2.14 (K2) closed.
K3, K4
Auxiliary voltage is present on the semiconductor output 3.14 (K3) resp.4.14 (K4).