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Application Examples
G9SA-321-T@ (24 VAC/VDC) + D4NL-@@@A-@, @@@B-@, @@@C-@
(Mechanical Lock Type) + D4D-@520N Circuit Diagram
Lock release signal
KM1
KM2
S4
42
41
12
11
OPEN
Stop signal
TH
SA
Timing Chart
Limit switch S1
Guard Lock
Safety-door
Switch S2
Lock release
signal
Lock release
switch 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
D4NL
S2
S1:
Safety Limit Switch
with direct opening mechanism
(D4N)
S2:
Guard Lock Safety-door Switch
S3:
Reset switch
S4:
Lock release switch
KM1 and KM2: Magnetic Contactor
M:
3-phase motor
Off delay
Control
timer
circuit
Guard opens
OFF-delay time
Feedback loop
Operation
instruction
Motor controller
Guard can be opened
G-163
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