
Multi-voltage
Micro
Amplifier
Built-in
PM
Sensor
Mounting
Stand
PM
343
I/O CIRCUIT AND WIRING DIAGRAMS
PM- 24 PM- 24-R
PM- 44 PM- 54
NPN output type
I/O circuit diagram
Wiring diagram
Users’ circuit
Internal circuit
Color code for cable type (Note 2)
50 mA max.
ZD1
Tr1
Load
(Brown)
V
(Black) Output 1
(Note 1,3)
(White) Output 2 (Note 1,3)
(Blue) 0 V
Sensor
circuit
ZD2
Tr2
5 to 24 V DC
10 %
Brown
Black
White
Blue
Load
5 to 24 V DC
10 %
Symbols ... ZD1, ZD2: Surge absorption zener diode
Tr1, Tr2 : NPN output transistor
Output operation
Light-ON
Dark-ON
Black
White
Output 1
Output 2
Color code
Output operation
Notes: 1) Make sure to connect terminals correctly as the sensor does not
incorporate a reverse polarity protection circuit.
Notes: 1) Further, the output is not incorporated with a short-circuit protection
circuit. Do not connect it directly to a power supply or a capacitive
load. Faulty wiring may result in damage.
Notes: 2) The color code of the connector attached cable is also the same.
Notes: 3) Ensure to insulate the unused output wire.
PM- 44P
PM- 54P
PNP output type
I/O circuit diagram
Wiring diagram
Users’ circuit
Internal circuit
Color code for cable type (Note 2)
50 mA max.
ZD1
Tr1
Load
(Brown)
V
(Black) Output 1 (Note 1,3)
(White) Output 2 (Note 1,3)
(Blue) 0 V
Sensor
circuit
ZD2
Tr2
5 to 24 V DC
10 %
Brown
Black
White
Blue
Load
5 to 24 V DC
10 %
Output operation
Light-ON
Dark-ON
Black
White
Output 1
Output 2
Color code
Output operation
Symbols ... ZD1, ZD2: Surge absorption zener diode
Tr1, Tr2 : PNP output transistor
Notes: 1) Make sure to connect terminals correctly as the sensor does not
incorporate a reverse polarity protection circuit.
Notes: 1) Further, the output is not incorporated with a short-circuit protection
circuit. Do not connect it directly to a power supply or a capacitive
load. Faulty wiring may result in damage.
Notes: 2) The color code of the connector attached cable is also the same.
Notes: 3) Ensure to insulate the unused output wire.
Sensing position
Operating point # (mm in)
012
3
4
0.039
0.079
0.118
0.157
Light-
ON
Dark-
ON
Beam
axis
#
5.5 mm
0.217 in
2 mm
0.079 in
Operating point # (mm in)
012
3
4
0.039
0.079
0.118
0.157
Light-
ON
Dark-
ON
#
6 mm
0.236 in
Beam
axis
#
8.5 mm
0.335 in
Operating point # (mm in)
012
3
4
0.039
0.079
0.118
0.157
Light-
ON
Dark-
ON
2.9 mm
0.114 in
#
7 mm
0.276 in
Operating point # (mm in)
012
3
4
0.039
0.079
0.118
0.157
Light-
ON
Dark-
ON
SENSING CHARACTERISTICS (TYPICAL)
PM-24 (-R)
Ultra small type
PM- 44(P)
PM- 54(P)
Small type