Photoelectric sensors | GR18 | GRL18-N2431V | Functional principle: Photoelectric retro-reflective sensor | Functional principle detail: With minimum distance to reflector (dual lens system) | Switching output: NPN | Switching mode: Light/dark switching | Connection type: Male connector M12, 4-pin | Light source: PinPoint LED | Adjustment: None | Communication interface: - | Included with delivery: Fastening nuts (2 x)
Functional principle
Photoelectric retro-reflective sensor
Functional principle detail
With minimum distance to reflector (dual lens system)
Dimensions (W x H x D)
18 mm x 18 mm x 73.5 mm
Housing design (light emission)
Cylindrical
Housing length
73.5 mm
Thread length
49.3 mm
Thread diameter (housing)
M18 x 1
Optical axis
Axial
Sensing range max.
0.03 m ... 7.2 m1)
Sensing range
0.06 m ... 6 m1)
Type of light
Visible red light
Light source
PinPoint LED2)
Light spot size (distance)
Ø 175 mm (7 m)
Wave length
650 nm
Adjustment
None
LED green
Operating indicatorStatic on: power on
LED yellow
Status of received light beamStatic on: object not presentStatic off: object present
Special applications
Hygienic and washdown zones
Supply voltage UB
10 V DC ... 30 V DC1)
Ripple
< 5 Vpp2)
Current consumption
30 mA
Switching output
NPN
Output function
Complementary
Switching mode
Light/dark switching3)
Signal voltage NPN HIGH/LOW
Approx. VS/ ≤ 3 V
Output current Imax.
≤ 100 mA4)
Response time
< 500 µs5)
Switching frequency
1,000 Hz6)
Connection type
Male connector M12, 4-pin
Circuit protection
A7)B8)D9)
Protection class
III
Weight
65 g
Polarisation filter
✔
Housing material
Metal, Stainless steel V4A (1.4404, 316L)
Optics material
Plastic, PMMA
Tightening torque, max.
90 Nm
Enclosure rating
IP67IP6810)IP69K11)
Items supplied
Fastening nuts (2 x)
Electromagnetic compatibility (EMC)
EN 60947-5-2
Ambient operating temperature
–25 °C ... +55 °C12)
Ambient temperature, storage
–30 °C ... +75 °C
UL File No.
E348498
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
ECOLAB certificate
✔
cULus certificate
✔
Photobiological safety (DIN EN 62471) certificate
✔
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
27270902
ETIM 5.0
EC002717
ETIM 6.0
EC002717
ETIM 7.0
EC002717
ETIM 8.0
EC002717
UNSPSC 16.0901
39121528
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