Datasheet

D4BL
12
G9SA-301 (24 VAC/VDC) + D4BL-@DRG-@ (Solenoid Lock Type) Circuit Diagram (Auto-reset)
Timing Chart
Limit switch S1
S1: Safety Limit Switch
with direct opening mechanism
(D4B-N, D4N, D4F)
S2: Guard Lock Safety-door Switch
KM1 and KM2: Magnetic Contactor
M: 3-phase motor
Guard Lock
Safety-door
Switch S2
Operation signal
Lock signal
K1 and K2
(NC)
K1 and K2
(NO)
KM1 and KM2
(NC)
KM1 and KM2
(NO)
Guard opens
TH
SA
A1 A2 T11 T12
K1
K1
PE T21 T23 T22
K2
K2
6
a
b
1
2
3
4
5
6
JP
13
T32T31 23 33 41
2
5
3
1
K1
K2
4
a
b
Control
Circuit
14 24 34 42
AB
Feedback loop
KM1
KM2
KM1
KM2
M
Operation
instruction
Motor controller
Operation signal
Lock signal
KM1 KM2
PLC
21
22
32
31
12
S1
11
S2
OPEN
11
12
Note: 1. This example circuit is for Category 4.
2. The lock can be released at any time. Therefore, do
not use a model with a solenoid lock in applications
where the operator may be exposed to danger when
the guard opens. Use a model with a mechanical
lock.