Guard Lock Safety-door Switch
D4JL
S
a
fe
ty D
o
o
r
Sw
it
c
h
e
s
P
recau
ti
on
s f
o
r
All Sa
fe
ty
Do
o
r
Switch
e
s
D4
NS
D4
GS-
N
D
4
BS
D4
G
L
D4
JL
D
4
NL
D4
BL
D4
NH
D
4
0
B
D4
NS-
SK0
1
D4
NS-
SK3
0
D4
J
L
-SK3
0
59
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Structure of D4JL-
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A-
@
6
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Operating Cycle Examples for Models with Rear Release Buttons
D4JL-
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A-
@
6 (Mechanical Lock Models with Special Release Keys and Rear Release Buttons)
The shaded areas indicate the contact is closed and power is supplied to the solenoid.
Door open/closed detection and lock monitor contacts: Can be used in safety circuits because of the direct opening mechanisms.
Door open/closed detection contact:
Can be used to confirm whether the key is inserted and to monitor the open/closed status of a door.
Lock monitor contact:
Can be used to confirm whether power is supplied to the solenoid and to monitor whether or not a door can be
opened or closed.
Note: The door open/closed detection and lock monitor contact configuration depends on the model.
Door condition
Condition 1
Condition 2
Condition 3
Turning the special
release key
Pressing the rear
release button
Terminal No. and function
Door open.
The door will lock
when the door
closes.
Door closed.
The door is locked.
Door open.
The door can be
opened.
Door closed.
No power is supplied
to the solenoid. The
door is unlocked
manually.
Door closed.
No power is supplied
to the solenoid. The
door is unlocked
manually.
E1-E2 Solenoid
ON
41-12 (NC)
51-22 (NC)
Door open/
closed
detection and
lock monitor
contacts
31-32 (NC)
Door open/
closed
detection
contact
33-34 (NO)
Door open/
closed
detection
contact
61-62 (NC)
Lock monitor
contact
63-64 (NO)
Lock monitor
contact
LED indicator
Terminal 51
Terminal 42
Terminal 41
Terminal 52
Terminal 61/63
Terminal 62/64
Lock Monitor Switch
Door Open/Closed Detection Switch
Example for
D4JL-
@
N
@
A-
@
6
Conduit opening
Terminal E1 (+)
Terminal E2 (
−
)
Terminal 02
Terminal 01
Solenoid
Operation Key hole
Operation Key hole
41
42
51
52
63
64
11
12
21
22
33
34
To safety circuit
To safety circuit
To control circuit
Terminal 21
Terminal 12
Terminal 11
Terminal 22
Terminal 31/33
Terminal 32/34
Conduit opening
Lock Monitor
Switch
Door Open/Closed
Detection Switch
Note: The Switch is shown with the key
inserted and locked. Terminals 42 and 11
are internally connected, as are terminals
52 and 21 (according to GS-ET-19).
Return to
condition 1
