Omron NX-SID Series - Page 423

A - 23
Appendix
NX-series Safety Control Unit User’s Manual (Z930)
A-3 Application Examples
A
A-3-2 Safety Doors
Timing Chart
Si2 Si3
T0
T1
Si0
T0
KM1
KM2
Si1
T1
KM3
KM4
Unit 4 (NX-SIH400)
KM1
KM2
M1
KM1
KM2
So0
So1
IOG
KM3
KM4
So2
So3
M2
KM3
KM4
S1: Emergency stop pushbutton
S2: Reset switch
S3 and S5: Safety limit switches
S4 and S6: Limit switches (NO contacts)
KM1, KM2, KM3 and KM4: Contactors
M1 and M2: Motors
Unit 5 (NX-SOD400)
IOG IOG IOG
Safety Connection
Status (Units 2 to 5)
E-STOP S1
Reset S2
KM3 and KM4
Safety door 1 (S3, S4)
EDM feedback
(KM3, KM4)
Reset ON
E-STOP pushed
E-STOP released
Safety door 2 (S5, S6)
KM1 and KM2
EDM feedback
(KM1, KM2)
Safety door 1 opened
Safety door 2 closed
Safety door 2 opened
Safety door 1 closed
TEDM
TEDMTEDMTEDM
TEDM TEDM
TEDM
TEDM
TEDM
MAX_Feedback_Time (T EDM )