Appendix
A - 26
NX-series Safety Control Unit User’s Manual (Z930)
AGV stops when emergency stop pushbutton S1 is pressed.
AGV stops when laser scanner S3 detects that persons or objects approach into the safety zone.
A-3-3 Safety Laser Scanners
Application Overview
Safety category/PL Safety device Stop category Reset
Equivalent to 3/PLd
(Laser Scanner)
Laser scanner 0 Auto
Emergency stop pushbutton 0 Manual
Wiring
24VDC (White)
GND (Brown)
OSSD A (Red)
Laser scanner
Unit 2 (NX-SIH400)
Unit 3 (NX-SIH400)
S1: Emergency stop pushbutton
S2: Reset switch
S3: Safety laser scanner
KM1 and KM2: Contactors
M: Motor
Unit 4 (NX-SOD400)
OSSD B (Yellow)
KM1
KM2
S2
Si0 Si1 Si2 Si3
T0 T1 T0 T1
Si0 Si1 Si2 Si3
T0 T1 T0 T1
KM1 KM2
M
KM1
KM2
So0 So1 So2 So3
IOG IOG IOG IOG
S1