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Application Examples
G9SA-321-T@ (24 VAC/VDC) + D4JL-@@@A-@@ (Mechanical Lock Models)/Manual Reset
Lock
release
signal
KM1
KM2
S4
41
42
11
12
Door
OPEN
S5
41
42
11
12
Door
OPEN
Stop signal
A1 A2 T11
S1:
Safety-door Switch with direct opening contact
S2:
Guard Lock Safety-door Switch
S3:
Reset switch
S4 and S5:
Lock release switches
KM1 and KM2: Magnetic contactors
M:
3-phase motor
Note: 1. The above example circuit is for Category 3.
2. When the release button is pressed on rear release models, the solenoid contacts are
turned OFF.
3. With Trapped Key Models, the door will not lock when it is closed with the trapped key
removed.
S2
51
52
21
22
S1
S2
51
52
21
22
S1
T12
1
TH
K3
a
K1
K2
SA
Off Delay
K1
K4
b
K2
Timer
6
PE T21
T23 T22
Application Example
Stopping a Robot on a Conveyor Line
Feedback loop
KM1
S3
KM2
T31
T32
13 23 33 43 53 61
3
4
K3
a
K4
Control
2
K1
5
Circuit
K2
b
A
B
14 24 34
44 54 62
KM1 KM2
Operation
instruction
D4NH
Safety-door Hinge Switches
D4JL
Guard Lock Safety-door Switches
1
2
3
4
5
JP
6
Motor controller
KM1
KM2
M
D4JL
19
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