Photoelectrics
Diffuse-reflective, Background Suppression
Type PH18CNB20...
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Miniature sensor range
Range: 200 mm
Sensitivity adjustment by potentiometer
Modulated, red light 625 nm
Supply voltage: 10 to 30 VDC
Output: 100 mA, NPN or PNP preset
Make and break switching function
LED indication for output and power ON
Protection: reverse polarity, short circuit and transients
Cable and plug versions
Excellent EMC performance
Excelent colour matching
Product Description
The PH18CNB20... is part of
a family of inexpensive gen-
eral purpose diffuse reflective
sensors with backgrund sup-
pression in industrial stan-
dard 18 mm cylindrical and
square ABS housing.
The sensors are useful in
applications where high-ac-
curacy detection as well as
small size is required.
Compact housing and high
power LED for excellent
performance-size ratio.
The potentiometer used for
adjustment of the sensitivi-
ty makes the sensors highly
flexible. The output type is
NPN or PNP and the output
switching function is NO and
NC.
Ordering Key
Type
Housing style
Housing size
Housing material
Housing length
Detection principle
Sensing distance
Output type
Output configuration
Connection type
Sensitivity adjustment
PH18CNB20NAM1SA
Type Selection
Housing style
Range
S
n
Connection
Ordering no.
NPN
Make and break switching
PH 18 CNB 20 NASA
PH 18 CNB 20 NAM1SA
PH 18 CNB 20 NAT1SA
Ordering no.
PNP
Make and break switching
PH 18 CNB 20 PASA
PH 18 CNB 20 PAM1SA
PH 18 CNB 20 PAT1SA
M18 Square type
M18 Square type
M18 Square type
200 mm
200 mm
200 mm
Cable
Plug
Pigtail
Specifications
Rated operating distance
(S
n
) Up to 200 mm,
reference target: Kodak
test card R27, white, 90%
reflective, 100 x 100 mm
Maximum detecting distance
White object 90% refl.
≤ 200 mm
Grey object 18% refl.
≤ 200 mm
Black object 6% refl.
≤ 150 mm
Blind zone
8 mm
Sensitivity control
Adjustable by potentiometer
Electrical adjustment
210˚
Mecanical adjustment
240˚
Temperature drift
≤ 0.2%/ºC
Hysteresis
(H)
≤ 10%
Rated operational volt.
(U
B
)
10 to 30 VDC
(ripple included)
Ripple
(U
rpp
)
≤ 10%
Output current
Continuous (I
e
)
≤ 100 mA
Short-time (I)
≤ 100 mA
(max. load capacity 100 nF)
No load supply current
(I
o
)
Minimum operational current
(I
m
)
OFF-state current
(I
r
)
Voltage drop
(U
d
)
Protection
Light source
Light type
Emitter angle
Ambient light
Operating frequency
(f)
Response time
OFF-ON (t
ON
)
ON-OFF (t
OFF
)
Power ON delay
(t
v
)
Output function
≤ 20 mA @ U
B
max
≤ 40 mA @ U
B
min
≤ 0.5 mA
≤ 100 µA
≤ 2 VDC @ I
e
max
Short-circuit, reverse polarity
and transients
InGaAlP, LED, 625 nm
Red, modulated
± 3º @ half sensing
distance
30.000 lux
Incandescent lamp
≤ 500 Hz
≤ 1 ms
≤ 1 ms
≤ 100 ms
Open collector
NPN or PNP
Specifications are subject to change without notice (13.06.2017)
1
PH18CNB20...SA
Specifications (cont.)
Output switching function
Indication
Output ON
Power ON
Environment
Installation category
Pollution degree
Degree of protection
Ambient temperature
Operating
Storage
Vibration
Shock
Rated insulation voltage
N.O. and N.C.
LED, yellow
LED, green
III (IEC 60664/60664A;
60947-1)
3 (IEC 60664/60664A;
60947-1)
IP 67, IP 69K* (IEC 60529;
60947-1)
-25° to +60°C (-13° to +140°F)
-40° to +70°C (-40° to +158°F)
10 to 150 Hz, 1.0 mm/15 G
(IEC 60068-2-6)
30 g / 11ms, 3 pos, 3 neg
per axis
(IEC 60068-2-6, 60068-2-32)
≤ 500 VAC (rms)
IEC protection class III
Housing material
Body
Backpart
Front material
Cable gland
Trimmer shaft
Locknuts
Mounting bracket
Connection
Cable
Plug
Pigtail
ABS, grey
PC-Transparent
PMMA, red
POM, Black
POM, Dark Grey
PP, black
PPA, black
PVC, grey
4 x 0.25 mm
2
, Ø = 4.5 mm
M12, 4-pin
(CONB14NF-series)
PUR, grey, 30 cm
4 x 0.25 mm
2
, Ø = 4.5 mm
M12, 4-pin
(CONB14NF-series)
≤ 85 g
≤ 40 g
≤ 25 g
Yes
cULus (UL508)
Supply class 2
90°
60°
30°
Weight
Cable version
Pigtail version
Plug version
CE-marking
Approvals
* The IP69K test according to DIN 40050-9 for high-pressure, high-temperature wash-down applications.
The sensor must not only be dust tight (IP6X), but also able to withstand high-pressure and steam cleaning.
The sensor is exposed to high pressure water from a spray nozzle that is fed with 80°C water at 8’000–
10’000 KPa (80–100bar) and a flow rate of 14–6L/min. The nozzle is held 100 –150 mm from the sensor at
angles of 0°, 30°, 60° and 90° for 30s each. The test device sits on a turntable that rotates with a speed of 5
times per minute. The sensor must not suffer any damaging effects from the high pressure water in appea-
rance and function.
0°
Detection Diagram
Sensing range [inches]
4
3
2
1
0
2.0
3.9
5.9
7.9
9.8
0.16
0.12
0.08
Sensing Conditions
White background 90% [inches]
16,0%
14,0%
12,0%
Distance from background [%]
10,0%
8,0%
6,0%
4,0%
2,0%
0,0%
0
1.0
2.0
3.0
3.9
4.9
5.9
6.9
7.9
8.9
9.8
0
-1
-2
-3
-4
0
50
100
150
200
0
-0.04
-0.08
-0.12
-0.16
250
[inches]
0.04
[mm]
0
25
50
75
100
125
150
175
200
225
250
Sensing range [mm]
White background 90% [mm]
Poly. (Black 300gr)
Poly. (Gray)
Poly. (White)
2
Specifications are subject to change without notice (13.06.2017)
PH18CNB20...SA
Operation Diagram
Tv = Power ON delay
Power supply
Object (target)
Break Output (N.C.)
Make Output (N.O.)
ON
OFF
Present
Not Present
Tv
ON
OFF
ON
OFF
Tv
Dimensions
Cable/Pigtail version
31.5
1.5
10.5
3.4
3
17.5
Power Indicator
(Green
15
Operation
Indicator (Yellow)
Power Indicator (Green)
Pigtail M12
1
11
Emitter
Sensitivity Control 240°
5.45
2
4
M18 x 1
3.5 3.5
24.1
35
3
Optical Axis
6.3
Receiver
Ø 9.9
Ø 4.5
Plug version
31.5
1.5
10.5
3.4
3
17.5
Power Indicator
(Green)
15
Operation
Indicator (Yellow)
Power Indicator (Green)
1
11
Emitter
5.45
Sensitivity Control 240°
2
4
M18 x 1
3.5 3.5
24.1
35
3
Optical Axis
Receiver
M12 x 1 plug
10.8
Specifications are subject to change without notice (13.06.2017)
3
PH18CNB20...SA
Wiring Diagrams
NPN
1 BN
V
PNP
1 BN
4 BK
2 WH
V
2 WH
4 BK
3 BU
V GND
3 BU
V GND
Mounting Systems
PH18 mounting with a combination of 1 x
APH18-MB1 and 1 x M18 locknut.
Maximum torque 0.9 NM
m
m m
.0 m
. 1 4.5
in
M ax.
M
M18 Locknut
APH18-MB1
APH18-MB1
Ø 27
6.5
Ø 27
Installation Hints
To avoid interference from inductive voltage / Relief of the cable strain
current peaks, separate the proximity switch
cables from any other power cables. E.g.
Engine, contactor or solenoid cables
Incorrect
Incorrect
6.5
Protection of the sensing face
Sensor mounted on a mobile carrier
Incorrect
Correct
Correct
> 100 mm
The cable should not be pulled
A proximity switch should not serve
as mechanical stop
Any repetitive flexing of the
cable should be avoided
4
Specifications are subject to change without notice (13.06.2017)
PH18CNB20...SA
Delivery Contents
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Photoelectric switch: PH18CNB20 ...
Installation instruction on plastic bag
Screwdriver
Mounting bracket APH18-MB1
2 M18 locknuts
Packaging:
Plastic bag
Accessories
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Connector type CONG1A.. / CONB14NF.. series
Specifications are subject to change without notice (13.06.2017)
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