Operation Method; Operation Principles - Omron D4NL-4AFA-B4 Manual

Operation Method

Operation Principles

Mechanical
Operation Key
lock models
Solenoid
Operation Key
lock models
Plunger
Nomenclature
Structure
Operation key hole
Terminal 42
Terminal 41
Shorting pin (12-41)
Terminal 12
Terminal 11
Door open/closed
detection switch
Terminal 21
Terminal 22
Terminal 31/33
Terminal 32/34
Release key
Note: Terminal numbers vary with the model.
D4NL
Solenoid
OFF
When the Operation Key is inserted, it is
Spring
locked by the lock spring. The door will stay
Lock plate
locked even if there is a power interruption.
Solenoid
OFF
If the solenoid is OFF, the door will not be
Spring
locked when the Operation Key is inserted.
Lock plate
This means that the door can be opened
and closed easily when replacing work-
pieces or parts.
Solenoid
Terminal E1 (+)
Terminal E2 (−)
Terminal 01
Indicator
Terminal 02
Lock monitor switch
Conduit opening
(horizontal)
Terminal 52/54
Conduit opening Terminal 51/53
(vertical)
OFF
The solenoid is released only when the
lock is turned ON.
OFF
The door is locked only when the solenoid
is turned ON. This means that the door will
be unlocked if there is a power interruption
and so this model cannot be used in sys-
tems that would maintain a hazardous
state (e.g., systems requiring toxic gases,
high temperatures, or gears that would
continue to turn due to inertia).
The head can be
mounted in 3 directions.
Standard Release Key
(Bottom View)
UNLOCK LOCK
ON
ON
Back-mounting is also possible.
Two conduits
(horizontal and vertical)
Special release key
Special Release Key
(Bottom View)
UNLOCK LOCK
7