SF4C Safety light curtain
2.7 Wiring Examples
45
Wiring for NPN output
K1
K2
S1
K1
K2
+
24V DC
%
-
+10
-15
(Brown) + V
(Pink) Test input / Reset input
(Pale purple) Interlock setting input
(Yellow) Override input
(Red) Muting lamp output
(
G
reen / Black) Auxiliary output
(Gray) Safety input 1
(Gray / Black) Safety input 2
(Shield) Output polarity setting wire
(Blue) 0V
(Orange) Synchroni
(Orange / Black) Synchronization -
(Orange / Black) Synchronization -
(Orange) Synchroni
(Brown) + V
(Gray) Large multi-purpose indicator input 1
(Sky-blue / White) Muting input 1
(
G
reen) External device monitor input
(Black) Control output 1 (OSSD 1)
(White) Control output 2 (OSSD 2)
(Shield) Output polarity setting wire
(Blue) 0V
(Gray / Black) Large multi-purpose indicator input 2
(Sky-blue / Black) Muting input 2
Gray cable
Emitter
Receiver
Gray cable
(with black line)
Load
Symbols in the wiring diagram
Switch S1
•
Test input/Reset input
•
0 - 2.5V (source current: 5mA or less): OFF
•
Open: ON
K1, K2
External device (forcibly guided relay or magnetic contactor)
Vs = Applied supply voltage
NOTE
The OSSD output type (PNP or NPN) is determined by the connecting state of the
shield wire. Incorrect wiring may cause a lockout.
2.7.2 Auto-Reset When Interlock is Inactive (Control Category 4)
This is the general configuration using one set of the emitter and receiver facing each other. The
control output (OSSD 1/2) turns OFF if the light is blocked.
Feature
Setting
Interlock function
Inactive (Auto reset)
External device monitor function
Active
Auxiliary output
Available
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