Terminal Models Signal Encoder; Connection Options Start And Feedback Circuit - Eaton ESR5-NO-31-24VDC Manual

3 Installation

3.4.3 Terminal models Signal encoder

3.4.4 Connection options Start and feedback circuit

27
▶ Connect suitable signal encoders to S11/S12.
24 V DC
S11
S12 S21
Figure 14: Dual-channel connection with cross-circuit detection
24 V DC
S11 S12
Figure 15: Dual-channel protective door connection, two NC contacts
Automatic start
▶ Connect the contacts S33/S34.
24 V DC
S33 S34
Figure 16: Automatic activation
Start and feedback circuit
▶ To monitor external contactors or expansion devices with positively
driven contacts, connect the respective N/Cs to path S33/S34.
K3 ext.
K4 ext.
24 V DC
S33
S34
Figure 17: Automatic activation with monitored contact expansion module
K3/K4 - interlocked opposing contactors
ESR5-NO-31-24VDC 11/23 MN049018EN Eaton.com
0 V
S22
0 V
S21 S22