D4BL
8
J
OPERATING MODE
(Example of Electromagnetic Interlock System Operating Mode of D4BL-
j
C
j
A-A)
Operating
mode
I
II
III
IV
Door
The protective door is
open.
The protective door is
closed.
The protective door is
closed and the machine is
operating.
The protective door is
closed and the solenoid is
operating.
Door
switch
Operation Key: The
mechanical lock is
released (contacts 31
and 32 are OFF).
Main Switch: The
normally closed contact
is forcibly opened
(contacts 11 and 12 are
OFF).
E1 E2 31 12 23 24
E1
E2
23
24
12
11
32
31
Operation Key (door)
Orange
Green
+
--
Operation Key:
Mechanically locked
(contacts 31 and 32 are
ON).
Main Switch: The
normally closed contact
is closed (contacts 11
and 12 are ON).
E1 E2 31 12 23 24
E1
E2
23
24
12
11
32
31
Operation Key (door)
Orange
Green
+
--
The protective door is closed
and the machine is operating.
E1 E2 31 12 23 24
E1
E2
23
24
12
11
32
31
Operation Key (door)
Orange
Green
+
--
Operation Key: The
mechanical lock is
released (contacts 31
and 32 are OFF).
E1 E2 31 12 23 24
E1
E2
23
24
12
11
32
31
Operation Key (door)
Orange
Green
+
--
Contact
31 and 12
23 and 24
31 and 12
23 and 24
31 and 12
23 and 24
31 and 12
23 and 24
OFF
ON
ON
OFF
ON
OFF
OFF
OFF
Control
device
(2)
Safety
work
indication
(3)
Confirmation
of door
closing
(5)
Machine
interrupt
signal
(6)
Confirmation
of machine
interruption
(8)
Release
confirmation
signal
(7)
Lock
release
signal
(4)
Start
signal
(1)
Confirmation
of door
opening
Machine
(Processing)
(Interruption)
(Start)
(Interruption)
(See note)
(Completion)
Indicator
Orange: ON
Green:
OFF
Orange: OFF
Green:
ON
Orange: OFF
Green:
ON
Orange: ON
Green:
ON
Note: 1. Be sure to use the dedicated push button to start or stop the machine or release the door lock.
2. Solenoid terminals E1and E2 of 24-VDC solenoid release models have the following polarities. Confirm the polarities before
wiring.
E1: +
E2: --
3. Solenoid terminals E1 and E2 of 110-VAC solenoid release models have no polarity.
