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With this connection, you can achieve SIL3/Cat.4/PLe by re-reading the relay states.
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To achieve signal fault security, we recommend the use of two positively driven nor-
mally open contacts of a contactor in series to the motor to be connected. These can
originate from one contactor or from two different contactors.
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Connect the contactors between the digital safety outputs.
Connection 2 motors, 2-
channel with feedback (2
contactor per motor)
VIPA System SLIO
Deployment
Connection examples > Connection examples for digital safety outputs
HB300 | SM-S | 02x-1SD10 | en | 20-02
101