GTB6L-E4211

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)

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

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

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
Function of pin 2/white (WH)	Digital output, dark switching, object present → output Ǭ LOW
Function of pin 2/white (WH) – detail	The pin 2 function of the sensor can be switched, Additional possible settings via operating mode switch

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

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