Photoelectric sensors | G20 | GLD20G-QK112170ZZZ | Sensing range min. / max.: 0.03 m / 20 m | Functional principle: Photoelectric retro-reflective sensor | Functional principle detail: With minimum distance to reflector (dual lens system) | Switching output: Push-pull: PNP/NPN | Switching mode: Light/dark switching | Connection type: Terminal connection, 4 terminals | Light source: LED | Type of light: Visible red light | Housing material: ABS | Adjustment: Potentiometer | Housing: Rectangular
Functional principle
Photoelectric retro-reflective sensor
Functional principle detail
With minimum distance to reflector (dual lens system)
Sensing range min.
0.03 m
Sensing range max.
20 m
Maximum distance range from reflector to sensor (operating reserve 1)
0.03 m ... 20 m
Recommended distance range from reflector to sensor (operating reserve 2)
0.03 m ... 16 m
Reference reflector
Reflector PL80A
Polarisation filter
Yes
Light source
LED
Type of light
Visible red light
Shape of light spot
Rectangular
Light spot size (distance)
Ø 200 mm (5,000 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
630 nm
Average service life
100,000 h at Ta= +25 °C
Potentiometer
For sensitivity adjustment, 270°
LED green
Operating indicatorStatic on: power on
LED yellow
Status of received light beamStatic on: object not presentStatic off: object present
MTTFD
736 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 UB= 24 V
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
≤ 500 µs
Switching frequency
1,000 Hz3)
BN 1
+ (L+)
BU 2
- (M)
BK 3
QDigital output, light switching, object present → output Q LOW
WH 4
ǬDigital output, dark switching, object present → output Ǭ HIGH
Dimensions (W x H x D)
23.5 mm x 74.5 mm x 52.5 mm
Connection
Terminal connection, 4 terminals
Housing
Plastic, ABS
Front screen
Plastic, PMMA
Вес
Approx. 88 g
Enclosure rating
IP67 (EN 60529)
Ambient operating temperature
–30 °C ... +60 °C
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
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
27270902
ECLASS 5.1.4
27270902
ECLASS 6.0
27270902
ECLASS 6.2
27270902
ECLASS 7.0
27270902
ECLASS 8.0
27270902
ECLASS 8.1
27270902
ECLASS 9.0
27270902
ECLASS 10.0
27270902
ECLASS 11.0
27270902
ECLASS 12.0
27270904
ETIM 5.0
EC002717
ETIM 6.0
EC002717
ETIM 7.0
EC002717
ETIM 8.0
EC002717
UNSPSC 16.0901
39121528
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