GTB6L-N4211

Miniature photoelectric sensors
G6

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Features

Functional principle

Photoelectric proximity sensor

Functional principle detail

Background suppression

Sensing range
Sensing range min.	10 mm
Sensing range max.	400 mm
Adjustable switching threshold for background suppression	30 mm … 400 mm
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%)	3 mm, at a distance of 75 mm
Recommended sensing range for the best performance	30 mm … 180 mm

Polarisation filters

Emitted beam
Light source	Laser
Type of light	Visible red light
Shape of light spot	Point-shaped
Light spot size (distance)	Ø 0.4 mm (150 mm)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)	< +/- 1.5° (at Ta = +23 °C)

Key laser figures
Normative reference	IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11
Laser class	1
Wave length	680 nm
Pulse duration	2 µs
Maximum pulse power	≤ 11.9 mW
Average service life	100,000 h at T_a = +25 °C

Smallest detectable object (MDO) typ.
	0.4 mm (at 150 mm distance (object with 90% remission (corresponds to standard white DIN 5033)))

Adjustment
Potentiometer	For setting the sensing range, 5 rotations
Operating mode switch	For inverting the switching function (light/dark switching)

Indication
LED green	Operating indicator Static on: power on
LED yellow	Status of received light beam Static on: object present Static off: object not present

Safety-related parameters

MTTF_D 662 years

DC_avg 0 %

T_M (mission time) 10 years (EN 60825-1)

Electrical data

Supply voltage U_B

10 V DC … 30 V DC ¹⁾

Ripple

< 5 V_pp

Usage category

DC-13 (According to EN 60947-5-2)

Current consumption

≤ 20 mA, without load. At U_B = 24 V

Protection class

III

Digital output
Number	1
Type	NPN
Signal voltage NPN HIGH/LOW	Approx. U_B / ≤ 3 V
Output current I_max.	≤ 100 mA ²⁾
Circuit protection outputs	Reverse polarity protected
	Overcurrent protected
	Short-circuit protected
Response time	≤ 625 µs
Switching frequency	1,000 Hz ³⁾

Pin/Wire assignment
Function of pin 4/black (BK)	Digital output, light switching, object present → output Q HIGH
Function of pin 4/black (BK) – detail	The pin 4 function of the sensor can be switched, Additional possible settings via operating mode switch

¹⁾ Limit values U_B connections, reverse polarity protected.
²⁾ At U_B > 24 V, I max. = 50 mA.
³⁾ With light/dark ratio 1:1.

Mechanical data

Housing

Rectangular

Dimensions (W x H x D)

12 mm x 31.5 mm x 21 mm

Connection

Male connector M8, 4-pin

Material
Housing	Plastic, ABS
Front screen	Plastic, PMMA
Cable	PVC
Male connector	Copper alloy (C3604 CUZN39PB3)

Weight

Approx. 60 g

Ambient data

Enclosure rating	IP67 (EN 60529)
Ambient operating temperature	–20 °C … +50 °C ¹⁾ ²⁾
Ambient temperature, storage	–40 °C … +70 °C
Typ. Ambient light immunity	Sunlight: ≤ 13,000 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 … 55 Hz (Amplitude 0.5 mm, 3×30 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

¹⁾ As of T_a => 45 °C, a max. supply voltage U_B = 24 V and a max. load current I_max. = 50 mA is permitted.
²⁾ Below T_a = –20 °C a warm-up time of 3 seconds is required.

Classifications

eCl@ss 5.0	27270904
eCl@ss 5.1.4	27270904
eCl@ss 6.0	27270904
eCl@ss 6.2	27270904
eCl@ss 7.0	27270904
eCl@ss 8.0	27270904
eCl@ss 8.1	27270904
eCl@ss 9.0	27270904
eCl@ss 10.0	27270904
eCl@ss 11.0	27270904
eCl@ss 12.0	27270903
ETIM 5.0	EC002719
ETIM 6.0	EC002719
ETIM 7.0	EC002719
ETIM 8.0	EC002719
UNSPSC 16.0901	39121528