General Contrast Sensor Series LR-W
- Code / Model:
- Manufacturer: Keyence
- Department: Automation and control of processes
- Category of products: Industrial sensors
- Sub-category: Chromatic and contrast sensors
- You've seen it before.: 9
Model
LR-W70C
Type
Small/Dual Spot Type
Connector Type
M12 4-Pin
Detection Distance
30 to 70 mm (1.18" to 2.76")
Minimum Spot Diameter
Approx. 1.6 × 2.9 mm to 50 mm (0.06" × 0.11" to 1.97")
Response Time
- 1-Point Mode: 200 µs, 1 ms, 10 ms, 100 ms, 500 ms selectable
- 2-Point Mode, Difference Monitoring: 500 µs, 2.5 ms, 20 ms, 200 ms, 999 ms selectable
- 2-Point Mode, 2-Point Coincidence: 400 µs, 2 ms, 20 ms, 200 ms, 999 ms selectable
Light Source
White LED
Mutual Interference Reduction Function
Up to 2 units when setting alternating frequencies
Timer
OFF/ON Delay/OFF Delay/Single Shot
Power Supply
Voltage
10 to 30 VCD, including 10% ripple (P-P), Class 2 or LPS
Current Consumption
60 mA or less (no load) at 24 VCD; 110 mA or less (no load) at 12 VCD
*2 180 mA or less (at 10 V, with load)I/O
Control Output
Selectable NPN/PNP open collector, 30 VCD or less, 50 mA or less, remaining voltage: 2 V or less, N.A./N.C. selectable
*3External Input
Selectable laser emission start/stop, Short-circuit current: 1 mA or less for NPN/2 mA or less for PNP
For applied voltage, refer to the connection diagrams in the instruction manual.
For input times, refer to the timing table in the instruction manual.
*3Protection Circuit
Reverse power connection protection, power surge protection, output overcurrent protection, output surge protection, and reverse output connection protection
Environmental Resistance
Degree of Protection
IP65/IP67 (IEC60529)
Ambient Light
Incandescent lamp: 10,000 lux or less, Sunlight: 20,000 lux or less
Ambient Temperature
-20 to +50 °C (-4 to 122 °F) (No freezing)
Relative Humidity
35 to 85% HR (No condensation)
Vibration Resistance
10 to 55 Hz, Double amplitude 1.5 mm (0.06"), 2 hours in each of the X, Y, and Z directions
Shock Resistance
1,000 m/s², 6 times in each of the X, Y, and Z directions
Material
- Housing: Die-cast zinc (nickel-plated chrome)
- Indicator Cover: PPSU
- Buttons: PES
- Lens and Screen Cover: PMMA (scratch-resistant coating)
- Connector Ring: PMP
- Connector Plug: PEI
Weight
Approx. 75 g
*3 IO-Link: Compatible with Specification v.1.1/COM2 (38.4 kbps). The installation file can be downloaded from the KEYENCE website (http://www.keyence.com). If you are using the product in an environment where files cannot be downloaded via the internet, please contact your nearest KEYENCE office.