Omron NX-SID Series - A-3-12 Multi-Axis Servo Drives (STO

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Appendix
NX-series Safety Control Unit User’s Manual (Z930)
A-3 Application Examples
A
A-3-12 Multi-axis Servo Drives (STO)
All servomotors M stop when emergency stop pushbutton S1 is pressed.
A-3-12 Multi-axis Servo Drives (STO)
Application Overview
Safety category/PL Safety device Stop category Reset
Equivalent to 3/PLd Emergency stop pushbutton 0 (STO) Manual
Wiring
M M
Unit2 (NX-SIH400) Unit3 (NX-SOD400)
S1: Emergency stop pushbutton
S2: Reset switch
D1, D2, D3, and D4: Servo drives
M: Motor
So0 So1
IOG IOG
So2 So3
IOG IOG
S1
D1 D2 D3 D4
S2
Si0 Si1 Si2 Si3
T0 T1 T0 T1
M
EDM+
M
SF1+
SF1 −
SF2+
SF2 −
SF1+
SF1 −
SF2+
SF2 −
SF1+
SF1 −
SF2+
SF2 −
SF1+
SF1 −
SF2+
SF2 −
EDM+ EDM− EDM+ EDM− EDM+ EDM−EDM−