Light Curtain
SF2-A
Safety Relay Unit
SF2
-
A
454
I/O CIRCUIT AND WIRING DIAGRAMS
NPN output type
I/O circuit diagram
Wiring diagram
2
5
6
6
5
4
1
2
7
4
7
3
or
3
Sensor circuit
m
1
Load
Emitter
Connector pin No.
Color code of mating cable
Sensor circuit
60 mA max.
(Brown)
V
(Pink) Alarm output
(Blue) 0 V
(Gray) Not connected
(Orange) Synchronization
(Orange / Black) Synchronization
Users’ circuit
Internal circuit
200 mA max.
(Brown)
V
(Black) OSSD
(Gray) Test input (emission halt input)
(Orange) Synchronization
(Violet) Not connected
(Orange / Black)
Synchronization
(Blue) 0 V
Receiver
24 V DC
15 %
FSD
Note: Unused wires must be insulated to ensure that they do not come into
contact with wires already in use.
Non-voltage contact or NPN open-collector transistor
•
Test input (emission halt input)
0 to
15 V: Emission (source current: 2 mA or less)
Open, or Vs
1.5 V to Vs: Emission halt
(Note)
Users’ circuit
Internal circuit
Note: Vs is the same voltage as the voltage of the power supply to be used.
m
1
CAUTION
Use a safety relay unit or an equivalent safety control circuit for FSD.
F.G.
4
Not connected
Emitter
1
No use
7
0 V
2
V
6
Synchronization
5
Synchronization
3
Alarm output
8
Shield
(Note 3)
Connector pin No.
Color code of mating cable
Load
Brown
Pink
Blue
Gray (Not connected)
Orange
Orange / Black
24 V DC
15 %
Shield
(Note 3)
2
V
Receiver
8
Shield (Note 3)
1
Not connected
7
0 V
3
OSSD
6
Synchronization
5
Synchronization
4
Test input
(emission halt input)
F.G.
Shield
(Note 3)
FSD
Orange / Black
Orange
Gray
Violet (Not connected)
Brown
Black
Blue
m
1
Unused wires must be insulated to ensure that they do not come
into contact with wires already in use.
Conductor cross-section area of lead wire of mating cable is 0.2 mm
2
(synchronization wire) and 0.3 mm
2
(exclude synchronization wire).
Be sure to connect the shield wire to the frame ground (F.G.).
Notes: 1)
2)
3)
Ramco Innovations - 1207 Maple Street, West Des Moines IA USA 50265 - 800-280-6933 - www.ramcoinnovations.com
