Omron NE1A-SCPU01 - 07-2009 Operation Manual page 300

A-1-2 Safety Gate Application (1)
Safety
category
Equivalent to 4
Wiring Example
Open
Note (1) Connect a 24-VDC power supply to terminals V0 and G0 (power supply terminals for internal
circuits).
(2) This example shows the NE1A-SCPU01(-V1)(-EIP) Controller's terminal layout.
Timing Diagram
S1
S2
KM1
KM2
EDM
Feedback
Idle to Run
266
Safety detection
device
Safety limit switch
I0 I4
I2
S1
I1 I5
I3
S2
G1 T0
V1
V2 G2 T1
E2
E1
T
EDM
Stop category
0
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
M: Motor
Safety gate opened.
T
EDM
Appendix A
Reset method
Auto reset
I14
KM1-NC
I15
KM2-NC
KM1
O6
KM2
O7
KM1
M
Safety gate closed.
T
EDM