Table of Contents
Advertisement
6. Specifications for the LTF Sensor
Supply Voltage
12 V DC to 30 V DC
Power and Current Consumption (Exclusive of Load)
Normal Run Mode: < 2.1 W
Current consumption < 85 mA at 24 V DC
Supply Protection Circuitry
Protected against reverse polarity and transient overvoltages
Construction
Die-cast zinc housing; acrylic window
Maximum Torque
2.6 N·m (23.0 in-lbs)
Sensing Beam
Visible red, 660 nm
Output Configuration
Analog output: 4 to 20 mA or 0 to 10 V, depending on model
Discrete output rating: Discrete NPN/PNP is user-configurable
Output Ratings
Discrete Output: 100 mA maximum (protected against continuous overload
and short circuit)
OFF-state leakage current (PNP): < 10 μA at 30 V
OFF-state leakage current (NPN): < 200 μA at 30 V
Output saturation voltage (PNP outputs): < 3 V at 100 mA
Output saturation voltage (NPN outputs): < 1.6 V at 100 mA
Analog current output (LTF...I Models):1 kΩ maximum at 24 V; maximum
load resistance = [(Vcc-4.5)/0.02 Ω]
Analog voltage output (LTF...U Models): 2.5 kΩ minimum load resistance
Remote Input
Allowable Input Voltage Range: 0 to Vcc
Active Low (internal weak pullup—sinking current): High State > 4.3 V at
740 μA maximum; Low State < 1.3 V at 800 μA maximum
Active High (internal weak pulldown—sourcing current): High State > 4.3 V
at 1.7 mA maximum; Low State < 1.3 V at 1.6 mA maximum
Storage Conditions
–30 °C to +65 °C (–22 °F to +149 °F)
Operating Conditions
–20 °C to +55 °C (–4 °F to +131°F)
90% at +55 °C maximum relative humidity (non-condensing)
Shock
MIL-STD-202G, Method 213B, Condition I (100G 6x along X, Y, and Z axes,
18 shocks), with device operating
Linearity/Accuracy
Reflectance
6% Black Card
18% Gray Card
90% White Card
Certifications
LTF12
±10 mm
±25 mm
4 m
7 m
7 m
11 m
12 m
-
© Banner Engineering Corp. www.bannerengineering.com
Sensing Range -- LTF12
90% White Target: 50 mm to 12000 mm
18% Gray Target: 50 mm to 11000 mm
6% Black Target: 50 mm to 7000 mm
Sensing Range -- LTF24
90% White Target: 50 mm to 24000 mm
18% Gray Target: 50 mm to 18000 mm
6% Black Target: 50 mm to 11000 mm
Ambient Light Immunity
> 40000 lux
Delay at Power Up
2 seconds
Measurement Output Rate
0.5 ms
Minimum Window Size, Analog and Discrete
10 mm
Boresighting
100 mm radius at 12000 mm
Temperature Effect
50 mm to 12000 mm: ±0.25 mm/°C (typical)
>12000 mm: ±0.5 mm/°C (typical)
Resolution
LTF12: < 0.3 mm to 3 mm
LTF24: < 0.3 mm to 4 mm
Resolution measured as twice repeatability with white target at slow
response speed at 20 °C. See repeatability curves for more detail.
Beam Spot Size
6.5 mm at 50 mm
10 mm at 7500 mm
12.5 mm at 12000 mm
35 mm at 24000 mm
Beam spot size is calculated as 1.6 times the D4σ measured diameter
Response Time
Fast: 1.5 ms
Standard: 8 ms
Medium: 32 ms
Slow: 256 ms
Repeatability
See Performance Curves
Environmental Rating
IP67; NEMA 6
Vibration
MIL-STD-202G, Method 201A (Vibration: 10 Hz to 55 Hz, 0.06 inch (1.52
mm) double amplitude, 2 hours each along X, Y and Z axes), with device
operating
Application Note
For optimum performance, allow 15 minutes for the sensor to warm up
±25 mm
7 m
8 m
11 m
13 m
24 m
-
S
LTF S
PECIFICATIONS FOR THE
LTF24
±50 mm
±100 mm
11 m
18 m
-
ENSOR
36
Advertisement
Table of Contents
