Omron NX-SID Series - Page 434

Appendix
A - 34
NX-series Safety Control Unit User’s Manual (Z930)
Timing Chart
Si0 Si1 Si2 Si3
T0 T1 T0 T1
S6
Unit 4 (NX-SIH400) Unit 5 (NX-SOD400)
KM1 KM2
M
KM1
KM2
So0 So1 So2 So3
S1: Emergency stop pushbutton
S2: Reset switch
S3: Safety limit switch
S5: Key selector switch
S6: Enable switch
KM1 and KM2: Contactors
M: Motor
IOG IOG IOG IOG
S4: Limit switch (NO contacts)
MAX_Feedback_Time (T EDM )
T EDM T EDM T EDM T EDM T EDM T EDM T EDM T EDM T EDM T EDM T EDM T EDM
Safety Connection
Status (Units 2 to 5)
E-STOP S1
Reset S2
KM1 and KM2
Key selector SW S5
(RUN)
EDM feedback
Key selector SW S5
(Maintenance)
Limit SW S3
Enable SW S6
Mode Monitor Time
Reset ON
E-STOP pushed
E-STOP released
Door closed
Door opened
Maintenance Mode
Mode Monitor Time