Panasonic PX-2 Series Manual page 6

6
Long Range & Wide Area Photoelectric Sensor
I/O CIRCUIT AND WIRING DIAGRAMS
PX-22 PX-21
I/O circuit diagram
Color code
D
(Brown) +V
(Black) OUT1
Tr
1
100 mA max.
Z (White) OUT2
D1
Tr
2
Z (Blue) 0 V
D2
(Pink / Violet) Sleep input
Internal circuit Users' circuit
Symbols ... D: Reverse supply polarity protection diode
Z , Z : Surge absorption zener diode
D1 D2
Tr , Tr : NPN output transistor
1 2
PX-24 PX-26
I/O circuit diagram
Color code
D
(Brown) +V
(Black) OUT 1
Tr
1
100 mA max.
Z
D1
(White) OUT 2
Tr
2
Z
D2
(Black / White) Extraneous light monitor output
Tr
3
Z
D3
(Blue) 0 V
(Violet) Auxiliary right
OUT 1 area ineffective input
(Violet / Black) Auxiliary left
OUT 1 area ineffective input
(Pink / Violet) Sleep input
(Pink / Gray)
External sensitivity
adjustment input
(Input impedance: 1 kΩ approx.)
Internal circuit Users' circuit
Symbols ... D: Reverse supply polarity protection diode
Z , Z , Z : Surge absorption zener diode
D1 D2 D3
Tr , Tr , Tr : NPN output transistor
1 2 3
PX-2
Load
Load
+
10 to 31 V DC
-
100 mA max.
*1
Load
Load
Load
+
10 to 31 V DC
100 mA max.
100 mA max.
*1
6 mA max.
+
0 to +5 V DC
SERIES
Wiring diagram
* 1
Non-voltage contact or NPN open-collector transistor
• Sleep input
Low (0 to 1 V): Sleep condition
High [(supply voltage – 1 V) to 31 V, or open]: Operating condition
Wiring diagram
For auxiliary
sensor connection
* 1
Non-voltage contact or NPN open-collector transistor
• Auxiliary area ineffective input
Low (0 to 1 V): Area ineffective
High (4.5 to 31 V, or open): Area effective
• Sleep input
Low (0 to 1 V): Sleep condition
High [(supply voltage – 1 V) to 31 V, or open]: Operating condition
Brown
Load
Black
Load
+
10 to 31 V DC
-
White
Blue
*1
Pink / Violet
or
Brown
Load
Black
Load
Load
White +
10 to 31 V DC
-
Black / White
Blue
*1
Violet
Violet / Black
Pink / Violet
Pink / Gray
+ -
0 to +5 V DC
or