D4NL_11 Datasheet, PDF (14/19 Pages) Omron Electronics LLC – Best-selling Guard Lock Safety-door Switch Available in Several Compact, Multi-contact Models

Application Examples
G9SA-321-T@ (24 VAC/VDC) + D4NL-@A@A-@, -@A@B-@, -@A@C-@
(Mechanical Lock Type) Circuit Diagram (Manual Reset)
Lock release signal
KM1
KM2
S2
S4
42
54
41
53
12
34
11 ³³
Guard
OPEN
PLC
PLC
S1
Stop signal
S1:
S2:
S3:
S4:
KM1 and KM2:
M:
Safety Limit Switch
with direct opening mechanism
(D4B-N, D4N, D4F)
Guard Lock Safety-door Switch
Reset switch
Lock release switch
Magnetic Contactor
3-phase motor
Feedback loop
KM1
S3
KM2
D4NL
A1 A2 T11 T12
TH _a
K1 K2
K3
SA
K1
b _K2 ^K4
6
PE T21
T23 T22
T31 T32
13 23 33 43 53 61
1
K3
a K4
OffDelay
Timer
Control
Circuit
b
3
4
2 K1
5
K2
1
2
3
4
JP
5
6
AB
14 24 34 44 54 62
KM1 KM2
Timing Chart
Limit switch S1
Guard Lock
Safety-door
Switch S2
Lock release
signal
S4
Stop signal
Reset switch
S3
K1 and K2
(NC)
K1 and K2
(NO)
K3 and K4
(NC)
K3 and K4
(NO)
KM1 and KM2
(NC)
KM1 and KM2
(NO)
Operation
instruction
Motor rotation
OFF-delay time
Guard opens
Operation
instruction
Motor controller
KM1
Guard can be opened
KM2
M
Note: The above example circuit is for Category 3.
14