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D4NL_11 Datasheet, PDF (15/19 Pages) Omron Electronics LLC – Best-selling Guard Lock Safety-door Switch Available in Several Compact, Multi-contact Models
G9SA-301 (24 VAC/VDC) + D4NL-@A@G-@, -@A@H-@, -@A@J-@
(Solenoid Lock Type) Circuit Diagram (Auto-reset)
Lock signal
OPEN
S2
42
54
41
53
12
34
11 33
PLC
PLC S1
12
11
Operation signal
S1:
Safety Limit Switch
with direct opening mechanism
(D4B-N, D4N, D4F)
S2:
Guard Lock Safety-door Switch
KM1 and KM2: Magnetic Contactor
M:
3-phase motor
Feedback loop
KM1
KM2
A1 A2 T11 T12
1
TH a
K1 K2
SA
K1
a
b K2 b
T31 T32
13 23 33 41
3
4
K1
K2
Control 2
Circuit 5
1
2
3
4
JP
5
6
6
PE T21
T23 T22
AB
14 24 34 42
KM1 KM2
D4NL
Timing Chart
Limit switch S1
Guard Lock
Safety-door
Switch S2
Operation signal
Lock signal
K1 and K2
(NC)
K1 and K2
(NO)
KM1 and KM2
(NC)
KM1 and KM2
(NO)
Operation
instruction
Motor controller
Guard opens
KM1
KM2
M
Note: 1. This example circuit is for Category 4.
2. The lock can be released at any time. Therefore, do
not use a model with a solenoid lock in applications
where the operator may be exposed to danger when
the guard opens. Use a model with a mechanical lock.
15