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KR87NCT2 Retro-Reflex Sensor for Transparent Objects

Available from stock
A reflector must be used in combination with these sensors. wenglor has the right retro-reflex light barrier for every application. Even crystal-clear objects and sheet products can be reliably recognized. The sensor is easy to install with its integrated M18 threaded fixation, and can be easily protected as well. Time delay can be activated by RS-232 interface.

Optical Data

Range 4,000mm
Reference Reflector/Reflector Foil RQ100BA
Clear Glass Recognition yes
Switching Hysteresis  < 5%
Light Source Red Light
Polarization Filter yes
Service Life (T = +25 °C) 100,000h
Max. Ambient Light 10,000Lux
Opening Angle
Single-Lens Optic yes

Electrical Data

Supply Voltage 10 ... 30V DC
Current Consumption (Ub = 24 V) < 40mA
Switching Frequency 2kHz
Response Time 250µs
On-/Off-Delay (RS-232) 0 ... 5s
Temperature Drift < 5%
Temperature Range -10 ... 60°C
Switching Output Voltage Drop < 2.5V
NPN Switching Output/Switching Current 100mA
Residual Current Switching Output < 50µA
Short Circuit Protection yes
Reverse Polarity Protection yes
Overload Protection yes
Lockable yes
Teach Mode NT, MT
Protection Class III

Mechanical Data

Setting Method Teach-In
Housing Material Plastic, PBT
Stainless steel, V2A (1.4305 / 303)
Full Encapsulation yes
Degree of Protection IP67
Connection M12 × 1; 4-pin
Weight 27g

General Data

Scope of delivery 1 × initial start-up instructions
1 × MUTTER-M18-E012 hex nut
1 × sensor

Output

NPN NC yes
External teach-in input yes
RS-232 with Adapterbox yes

Adjustable parameters

Circuit NC
NC/NO
NO
Other parameters Off-delay
On-delay
All other parameters can be found in the product documentation.

Standards and certificates

B_SYM_CE_01.pdf B_SYM_CE_01.pdf B_SYM_CE_01.pdf B_SYM_CE_01.pdf B_SYM_CE_01.pdf

Connection Diagram

Ctrl. Panel

06 = Teach Button
30 = Switching Status/Contamination Warning

Dimensioned Picture

Dimensions specified in mm (1 mm = 0.03937")
B_SYM_SCHLUESSEL_24.pdf Wrench Size

Reflector data

RQ100BA 0 ... 4m
RE18040BA 0 ... 3m
RQ84BA 0 ... 4m
RR84BA 0 ... 4m
RE9538BA 0 ... 1.5m
RE6151BM 0 ... 3.6m
RR50_A 0 ... 3m
RE6040BA 0 ... 3.5m
RE8222BA 0 ... 2m
RR34_M 0 ... 1.8m
RE3220BM 0 ... 1.8m
RE6210BM 0 ... 1.2m
RR25_M 0 ... 1.4m
RR25KP 0 ... 1m
RR21_M 0 ... 1m
ZRAE02B01 0 ... 2m
ZRME01B01 0 ... 0.6m
ZRME03B01 0 ... 2.8m
ZRMR02K01 0 ... 0.8m
ZRMS02_01 0 ... 0.9m
RF505 0 ... 1.2m
RF508 0 ... 1.1m
RF258 0 ... 1m
ZRDF__K01 0 ... 4m

Complementary Products

  • Reflector, Reflector Foil
  • Adapterbox A232
  • Dust Extraction Tube STAUBTUBUS-01
  • Software
Initial start-up instructions
Operating instructions
Interface protocol
Interface protocol
Interface_Protocol_diverse_Types.pdf
Declarations of Conformity / Approvals
Product Comparison