F3SJ-A
17
Connection Circuit Examples
Wiring for single F3SJ-A application
Note:
The above PL is only the evaluation result of the example. The PL must be evaluated in an actual application by the customer after confirming
the usage conditions.
Application Overview
• The power supply to the motor M is turned OFF when the beam is blocked.
• The power supply to the motor M is kept OFF until the beams are unblocked and the reset switch S2 is pressed.
Highest achievable PL/
safety category
Model
Stop category
Reset
PLe/4 equivalent
Safety Light Curtain F3SJ-A
@@@@
P
@@
Safety Relay G7SA
0
Manual
[PNP Output]
*
A
u
xiliary o
u
tp
u
t 1 gi
v
es in
v
erted signal of safety o
u
tp
u
t (defa
u
lt setting).
S1
S2
KM1
KM2
OUT
PLC
I
N
KM3
KM2
KM1
A
u
xiliar
y o
u
tp
u
t 2 (Red)
Inter
loc
k selection inp
u
t (
W
hite)
Un
b
locked
Blocked
External test s
w
itch (S1)
Reset s
w
itch (S2)
Safety o
u
tp
u
t
KM1,KM2
N
.O. contact
KM1,KM2
N
.C. contact
PLC inp
u
t
*
PLC o
u
tp
u
t
- Using external de
v
ice monitoring f
u
nction
S1
: External test s
w
itch
(connect to 0
V
if a s
w
itch is not re
qu
ired)
S2 :
Interlock/locko
u
t reset s
w
itch
KM, KM2 : Safety relay
w
ith force-g
u
ided contact (G7SA)
or magnetic contactor
K1
: Load, PLC (for monitor)
KM3
: Solid state contactor (G3J)
M
: 3-phase motor
PLC :
Programma
b
le controller
(Used for monitoring -- not related to safety system)
K1
0
V
+24
V
DC
Test inp
u
t (Blac
k)
A
u
xiliar
y o
u
tp
u
t 1 (Y
ello
w
)
Saf
ety o
u
tp
u
t 1
(Blac
k)
Po
w
er
s
u
pply
Recei
v
er
Emitter
Shield
Reset inp
u
t (Y
ello
w
)
Shield
Exter
nal de
v
ice
monitor
ing inp
u
t (Red)
0
V
(Bl
u
e)
0
V
(Bl
u
e)
(Gray)
Comm
u
nication line (+)
(Pink)
Comm
u
nication
line (-)
+24
V
(Bro
w
n)
+24
V
(Bro
w
n)
Saf
ety o
u
tp
u
t 2
(
W
hite)
F39-JD
@
A-L
F39-JD
@
A-D
M
KM2
KM1