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
60
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Structure of D4JL-
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A-
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7-
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Operating Cycle Examples for Models with Trapped Keys
D4JL-
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A-
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7
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(Models with Trapped Keys)
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 key can be
removed.
Note: 1. Door open/closed detection and lock monitor contact configuration depends on the model.
2. If power is supplied to the solenoid, the door cannot be unlocked until the Key is turned to the left and removed.
Door condition
Condition 1
Condition 2
Condition 3
Condition 4
Condition 5
Condition 6
Terminal No. and
function
Door open.
The Key is not
inserted.
The door will not
lock when the
door closes.
Door closed.
The Key is not
inserted.
The door is not
locked.
Door closed.
The Key is
inserted.
The door is
locked.
Door closed.
The Key is
inserted.
The door
remains
locked.
Door closed.
The Key is not
inserted.
The door can
be opened.
Door closed.
The Key is not
inserted.
The door will not
lock when the
door closes.
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
Terminal 21
Terminal 12
Terminal 11
Terminal 22
Terminal 31/33
Terminal 32/34
Lock Monitor Switch
Door Open/Closed Detection Switch
Example for
D4JL-
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N
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A-
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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
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
