Omron NX-SID Series - A-3-10 Safety Edges

A - 51
Appendix
NX-series Safety Control Unit User’s Manual (Z930)
A-3 Application Examples
A
A-3-10 Safety Edges
Motor M stops when emergency stop pushbutton S1 is pressed or when edge sensor detects a contact
with persons or objects.
A-3-10 Safety Edges
Application Overview
Safety category/PL Safety device Stop category Reset
Equivalent to 3/PLd
(Safety Edge)
• Emergency stop pushbutton
• Safety edge (2-wire cable on
both sides)
0 Manual
Wiring
S1: Emergency stop pushbutton
S2: Reset switch
S3: Safety edge
KM1 and KM2: Contactors
M: Motor
Unit 2 (NX-SIH400)
Unit 3 (NX-SIH400)
Unit 4 (NX-SOD400)
KM1
KM2
S2
Si0 Si1 Si2 Si3
T0 T1 T0 T1
Si2 Si3
T0 T1
Si0 Si1
T0 T1
S3
KM1 KM2
M
KM1
KM2
So0 So1 So2 So3
IOG IOG IOG IOG
S1