Photoelectric sensors | G20 | GTB20M-3411116GZZZ | Sensing range min. / max.: 0.005 m / 3 m | Functional principle: Photoelectric proximity sensor | Functional principle detail: Background suppression | Switching output: Push-pull: PNP/NPN | Switching mode: Light/dark switching | Connection type: Cable with M12 male connector, 4-pin, 315 mm | Light source: LED | Type of light: Infrared light | Housing material: ABS | Adjustment: Potentiometer | Housing: Rectangular
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Sensing range min.
0.005 m
Sensing range max.
3 m
Adjustable switching threshold for background suppression
0.1 m ... 3 m
Reference object
Object with 90% remission factor (complies with standard white according to DIN 5033)
Minimum distance between set sensing range and background (black 6% / white 90%)
200 mm, at a distance of 1000 mm
Light source
LED
Type of light
Infrared light
Shape of light spot
Rectangular
Light spot size (distance)
Ø 28 mm (500 mm)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)
< +/- 1.5° (at Ta = +23 °C)
Normative reference
EN 62471:2008-09 | IEC 62471:2006, modified
LED risk group marking
Free group
Wave length
850 nm
Average service life
100,000 h at Ta= +25 °C
Potentiometer 1
For setting the sensing range, 7 rotations
Operating mode switch
For inverting the switching function (light/dark switching)
Potentiometer 2
For adjusting the delay time
Potentiometer 3
For selecting the delay time
LED green
Operating indicatorStatic on: power on
LED yellow
Status of received light beamStatic on: object presentStatic off: object not present
MTTFD
596 years
DCavg
0%
Supply voltage UB
10 V DC ... 30 V DC1)
Ripple
< 5 Vpp
Usage category
DC-13 (according to EN 60947-1)
Current consumption
≤ 30 mA, Without load At 24 V AC/DC
Protection class
III
Number
2 (Complementary)
Type
Push-pull: PNP/NPN
Switching mode
Light/dark switching
Signal voltage PNP HIGH/LOW
VS- (≤ 3 V) / approx. 0 V
Signal voltage NPN HIGH/LOW
VS- (≤ 3 V) / approx. 0 V
Output current Imax.
≤ 100 mA2)
Circuit protection outputs
Reverse polarity protected
Response time
≤ 1.67 ms
Switching frequency
300 Hz3)
Time functions
Deactivated (factory setting)
Delay time
Adjustable via time delay selector switch, 0 ms ... 10,000 ms, 0 ms (factory setting)
BN 1
+ (L+)
WH 2
ǬDigital output, dark switching, object present → output Ǭ LOW
BU 3
- (M)
BK 4
QDigital output, light switching, object present → output Q HIGH
Dimensions (W x H x D)
23.5 mm x 74.5 mm x 63 mm
Connection
Cable with M12 male connector, 4-pin, 315 mm
Deep-freeze property
Do not bend below 0 °C
Conductor size
0.34 mm²
Cable diameter
Ø 5 mm
Length of cable (L)
270 mm
Housing
Plastic, ABS
Front screen
Plastic, PMMA
Cable
Plastic, PVC
Kaal
Approx. 121 g
Enclosure rating
IP67 (EN 60529)
Ambient operating temperature
–30 °C ... +60 °C1)
Ambient temperature, storage
–40 °C ... +70 °C
Typ. Ambient light immunity
Sunlight: ≤ 20,000 lx
Shock resistance
30 g, 11 ms (3 positive and 3 negative shocks along X, Y, Z axes, 18 total shocks (EN60068-2-27))
Vibration resistance
10 Hz ... 1,000 Hz (Amplitude 1 mm, 3 x 30 min (EN60068-2-6))
Air humidity
35 % ... 95 %, relative humidity (no condensation)
Electromagnetic compatibility (EMC)
EN 60947-5-2, EN 61000-6-3
UL File No.
NRKH.E348498 & NRKH7.E348498
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
cULus certificate
✔
Photobiological safety (IEC EN 62471)
✔
ECLASS 5.0
27270904
ECLASS 5.1.4
27270904
ECLASS 6.0
27270904
ECLASS 6.2
27270904
ECLASS 7.0
27270904
ECLASS 8.0
27270904
ECLASS 8.1
27270904
ECLASS 9.0
27270904
ECLASS 10.0
27270904
ECLASS 11.0
27270904
ECLASS 12.0
27270903
ETIM 5.0
EC002719
ETIM 6.0
EC002719
ETIM 7.0
EC002719
ETIM 8.0
EC002719
UNSPSC 16.0901
39121528
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