Omron NX-SL5500

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, S5: Safety limit switches
S4, S6: Limit switches (NO contacts)
KM1, KM2, KM3, KM4: Contactors
M1, M2: Motors
Unit 5 (NX-SOD400)
IOG IOG IOG
Timing Chart
Safety connection status
(Units 2 to 5)
E-STOP S1
Reset S2
KM3, KM4
Safety door 1 (S3, S4)
EDM feedback
(KM3, KM4)
Reset ON
E-STOP pushed E-STOP released
MAX_Feedback_Time ( TEDM )
TEDM
T
EDMTEDMTEDM
TEDM TEDM
TEDM
TEDM
TEDM
Safety door 2 (S5, S6)
KM1, KM2
EDM feedback
(KM1, KM2)
Safety door 1 opened
Safety door 2 closedSafety door 2 openedSafety door 1 closed
Safety I/O Terminal & I/O Map Setting
Appendices
A - 34
NX-series Safety Control Unit User's Manual (Z930)