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Installation instruction (translation from original)
SIN 1 xxx / SIN 2 xxx
Safety switch with separate actuator and guard lock
7
System description - Suggested application with redundant configuration also on the power level
•
The overall control concept which includes the safety switch SIN must be validated by the end user/machine designer in accordance
with EN ISO 13849-2.
The performance level in accordance with DIN EN 13849-1 is reduced if latching devices/position switches are connected in series.
•
This is due the fact that fault recognition is reduced.
•
The overall control concept, into which the position switch has been integrated, must be validated in accordance with
DIN EN ISO 13849-2 or evaluated according to DIN EN 62061.
The safety gate is closed while the machine is operating. The actuator is inserted in the safety switch and locked. The enable circuits on
the evaluation module are closed and the enable circuit on the actuating module is open. Suitable actuating or evaluation modules are
for example the S4000 series devices or the samos® and samos® PRO safety systems.
It is necessary to reach behind the safety gate for maintenance purposes. The machine must be switched off by the operator before-
hand. This causes the enable circuits on the evaluation module to open and the power level of the machine to be deactivated.
Since the hazardous movement of the machine is not stopped immediately, the safety switch must not enable the actuator until the
machine after running has finished. This is ensured by a suitable actuating module such as a zero-speed relay or a delay module (timer).
The safety contacts (positively driven NC contact) prevent the machine from restarting when the safety gate is open. The additional NO
contacts can be used as signaling contacts. In this case, these contact functions serve to improve the availability of the machine rather
than safety.
If suitable evaluation modules are available, the NO contacts can be incorporated in the safety circuit as additional monitoring devices.
The contact pair used for monitoring is positively switched by the actuator, so that the position of the safety gate is sensed directly.
The contact pair used for monitoring the locking device is positively connected to the locking bar so that a failure of the latching
device is detected by the fail-safe controller.
The integrated fail-safe principle prevents the locking device from being set to the locked position if the actuator is not yet inserted in
the safety switch.
Doc. # BA000776 – 06/2023 (Rev. C)
R1.310.xxx.x
− Actuator inserted and locked.
− Latching magnet de-energized.
3
5
8
Wieland Electric GmbH
Brennerstraße 10 – 14
96052 Bamberg
Phone +49 951 9324-0
Fax
+49 951 9324-198
info@wieland-electric.com
www.wieland-electric.com
NOT E
1
2
4
6
7
SIN 1 xxx / SIN 2 xxx
1 Control voltage
2 Release
3 Safety device (actuator)
4 Latching magnet
Connection
(electromagnet)
5 Evaluation module
6 Actuating module
9
7 Contact assignments illus-
trated for standard type:
SIN 1150
(Art. no. R1.310.1150.0)
8 Power level drive
9 Actuation contact
Connection:
E1 Operating voltage L+
E2 Earth N
12 EN
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