Omron NE1A Series Manual page 229

A-1-2 Safety Gate Application: Dual Channel Mode Limit Switches with
Automatic Reset
Wiring Example
Open
(1) Connect a 24-VDC power supply to terminals V0 and G0 (power supply terminals for internal
Note
circuits).
(2) This example shows the NE1A-SCPU01(-V1) Controller's terminal layout.
Timing Diagram
S1
S2
KM1
KM2
EDM
Feedback
Idle to Run
230
I0 I4
I2
S1
I1 I5
I3
S2
G1 T0
V1
V2 G2 T1
E2
E1
T
EDM
I8 I12
I6 I10
I7 I9 I13
I11
T2
O0 O2 O4
O1 O3 O5
T3
KM2
E1 and E2: 24-VDC power supplies
S1: Safety limit switch
S2: Limit switch (normal open contact)
KM1 and KM2: Contactors
Safety gate opened.
T
EDM
Appendix A
I14
KM1-NC
I15
KM2-NC
KM1
O6
KM2
O7
KM1 M
Safety gate closed.
T
EDM