Complementary information
O
verride is connected to the 8-pin system connection.
Detailed information on using the muting connector can be found in the assembly
instructions for the muting connector.
Further topics
•
"Cr
oss-circuit monitoring", page 46
•
"Electrical installation", page 86
•
"Accessories", page 153
4.4.11 Connection diagrams
5-pin, RLY3-OSSD2 safety relay
deTec4
1
2
4
3
5
2
)
3) PELV
r
System connection
+24 V DC
OSSD 1
OSSD 2
0 V
MFP 1
1
2
4
3
5
s
System connection
+24 V DC
In 2
In 1
0 V
MFP 1
F2 F1
H1 H2
+24 V DC
0 V DC
K1K2
E202115/01/2021-09-27
R1 Y1 Y2 24A2 14
S
1 I1 I2 23A1 13
RLY3-OSSD2
k2
k1
S1
k2
z
k1 k2
k1
z
x
y
x
1)
y
F0
L+
L–
1) Output circuits: These contacts must be incorporated into the control such that the
dangerous state is brought to an end if the output circuit is open. For categories 4 and 3,
they must be incorporated on dual-channels (x, y paths). Type 2 devices are suitable for
use up to PL c. Single-channel incorporation into the control (z path) is only possible with
a single-channel control and taking the risk analysis into account.
2) To indicate the status on both sides, the MFP 1 connections from the sender and receiver
must be connected to each other in the control cabinet (optional).
3) SELV/PELV safety extra-low voltage.
•
T
ask
Connection of a deTec4 safety light curtain to a RLY3-OSSD2 safety relay. Operat‐
in
g mode: With restart interlock and external device monitoring.
•
Mode of opera
tion
When the protective field is clear, the OSSD 1 and OSSD 2 outputs carry voltage.
T
he system can be switched on when K1 and K2 are in a fault-free de-energized
position. Lamp H2 flashes. The RLY3-OSSD2 is switched on by pressing S1 (push‐
button is pressed and released). The outputs (contacts 13-14 and 23-24) switch
PROJECT PLANNING 4
8021645/1EB0/2022-04-28 | SICK O P E R A T I N G I N S T R U C T I O N S | deTec4
65
Subject to change without notice
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