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Laser Displacement Sensors from KEYENCE

LJ-G Series

2D Laser Displacement Sensor
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Specifications 3

2D Laser Displacement Sensor Specifications

Best in Class Performance with the Specifications to Prove it

LJ-G series controller

Model LJ-G5001 LJ-G5001P
Sensor head compatibility Compatible
Number of connectable sensors 2 units max.
Display Minimum display unit 1 µm, 0.01 mm2, 0.01°
Maximum display range ±99999.9 mm, ±999999 mm2, ±99999.9°
Input terminal block Laser remote interlock input Non-voltage input Non-voltage input
Trigger input For sensor head A, non-voltage input For sensor head A, voltage input
Timing 1 input Non-voltage input Voltage input
Auto-zero 1 input
Reset input
Output terminal block Analogue voltage output ±10 V x 2 outputs, output impedance: 100 Ω
Total judgment output NPN open-collector output PNP open-collector output
Error output NPN open-collector output (N.C.) PNP open-collector output (N.C.)
Process output NPN open-collector output PNP open-collector output
Trigger input enable output For sensor head A, NPN open-collector output For sensor head A, PNP open-collector output
Adjusted error output
Expansion connector Timing 2 input Non-voltage input Voltage input
Auto-zero 2 input
Trigger input For sensor head B, non-voltage input For sensor head B, voltage input
Program switching input Non-voltage input, 4 inputs Voltage input, 4 inputs
Memory card save input Non-voltage input Voltage input
Laser-Off input For sensor head A/B, non-voltage input For sensor head A/B, voltage input
Judgment/Binary output1. 3-level judgment output: OUT1 to OUT8, total judgment output
Binary output: OUT1 to OUT8 measured data output (21 bits)
NPN open-collector output
3-level judgment output: OUT1 to OUT8, total judgment output
Binary output: OUT1 to OUT8 measured data output (21 bits)
PNP open-collector output
Strobe output NPN open-collector output PNP open-collector output
Trigger input enable output For sensor head B, non-voltage input For sensor head B, PNP open-collector output
Adjusted error output
Analogue RGB monitor output SVGA (800 x 600 pixels)
RS-232C interface Measured data output and control input/output (Maximum baud rate: 115200 bit/s, selectable)
USB interface In conformity with USB Revision 2.0 HI-SPEED (USB 1.1 Full-SPEED compatible)
Ethernet interface 100BASE-TX/10BASE-T
Memory card Compatible with NR-M32 (32 MB), GR-M256 (256MB), and NR-M1G (1GB). (with FAT32)
Major functions Sensor heads calculation, Profile adjustment, Filter, Smoothing, Averaging, Position adjustment, OUT name change, Measurement mode selection (Height, position, gap, width, centre position, section area, intersection, angle, profile comparison, profile tracking), Scaling, Average, Measurement, Measured value alarm, Tolerance setting, Auto-zero, Storage (data/profile), Memory card saving, Program memory, Trigger mode change, Mutual interference prevention, Measuring range change, Calibration, Laser light adjustment, Sampling time setting, Mask, Profile alarm setting, Inclination adjustment, Height adjustment, Display language switch, Setting support software connection, Trigger pitch/Measuring time display, etc.
Ratings Power supply voltage 24 VDC ±10%, Ripple: 10% (P to P) or less
Current consumption 800 mA or less with 1 sensor head/1 A or less with two sensor heads
Environmental resistance Ambient temperature 0 to 50°C
Relative humidity 35 to 85% (No condensation)
Weight Approx. 1050 g
1. Time-sharing output of judgment results or binary measured data.
The rating of the NPN open-collector output: 50 mA max. (30 V max.), residual voltage of 1 V max.
The rating of the PNP open-collector output: 50 mA max. (30 V max.), residual voltage of 1 V max.
The rating of the non-voltage input: 1 V or less ON voltage, 0.6 mA or less OFF current (Trigger input terminal: 1 V or less ON voltage, 1.0 mA or less OFF current)
The rating of the voltage input: 26.4 V maximum rating, 10.8 V or less ON voltage, 0.6 mA or less OFF current (Trigger input terminal: 26.4 V maximum rating, 10.8 V or less ON voltage, 1.0 mA or less OFF current)


LJ-G series sensor head

Model LJ-G015K LJ-G015 LJ-G030 LJ-G080 LJ-G200
Type Specular reflective Diffuse reflective
Reference distance 15 mm 0.59" 30 mm 1.18" 80 mm 3.15" 200 mm 7.87"
Measuring
range
Z-axis (Height)

±2.3 mm ±0.09"

±2.6 mm ±0.1"

±10 mm ±0.39" ±23 mm ±0.91" ±48 mm ±1.89"
X-axis (Width) Near 6.5 mm 0.26" 20 mm 0.79" 25 mm 0.98" 51 mm 2.01"
Reference distance 7.0 mm 0.28" 22 mm 0.87" 32 mm 1.26" 62 mm 2.44"
Far 7.5 mm 0.30" 25 mm 1.98" 39 mm 1.54" 73 mm 2.87"
Light source   Red semiconductor laser
Wavelength 650 nm (Visible light), Class 2 (JIS C6802)
Output 0.95 mW max.
Spot diameter (at reference distance) Approx. 32 μm x 12 mm
1.26 Mil x 0.47 "
Approx. 40 μm x 25 mm 1.56 Mil x 0.98 " Approx. 80 μm x 46 mm 3.12 Mil x 1.81" Approx. 180 μm x 70 mm 7.02 Mil x 2.76 "
Repeatability (1) Z-axis (Height) (2) 0.2 μm 0.007 Mil 1 μm 0.04 Mil 1 μm 0.04 Mil 2 μm 0.08 Mil
X-axis (Width) (3) 2.5 μm 0.10 Mil 5 μm 0.20 Mil 10 μm 0.39 Mil 20 μm 0.78 Mil
Linearity Z-axis (Height) (2) ±0.1% of F.S.
Sampling frequency (Trigger pitch) (4) 3.8 ms
Temperature characteristics 0.02% of F.S./ºC
Environmental resistance Enclosure rating IP67 (IEC60529)
Ambient illumination (5) Incandescent lamp or fluorescent lamp: 10,000 lux max.
Ambient temperature 0 to 50ºC (32 to 122ºF)
Relative humidity 35 to 85% (No condensation)
Vibration 10 to 55 Hz, multiple amplitude 1.5 mm 0.06",
two hours in each direction of X, Y and Z
Material Aluminum
Weight Approx. 260 g Approx. 290 g Approx. 350 g Approx. 480 g
1. The value obtained after 64 times Averaging at the reference distance.
2. The target is KEYENCE standard object. (White diffusing material). The value is the average of the widths in the Height mode.
3. The target is ø10 mm pin gauge. The value is the edge in the Position mode after 16 times of the Smoothing.
4. When the measuring range is the minimum in the initial setting.
5. The illumination on the receiver of the sensor head when targeting an illuminated white paper.


Hardware environment for the LJ-H1W (LJ-Navigator)

Item Hardware requirements
CPU Pentium III 400 MHz max.
Support OS Windows XP Professional Edition/Home Edition
Windows 2000 Professional
Windows 98SE
Memory capacity 128MB min.
Resolution of display XGA (1024 x 768 pixels) min, 256 colors min.
Free disk space 10MB min.
Interface (1) USB2.0/1.1 (2), Ethernet (3), or RS-232C (serial port)
should be featured.
1. One of the interfaces is selected for communication. Simultaneous communication is not available.
2. Connection via Hub is not guaranteed.
3. Connection to LAN and connection via a router are not guaranteed.
Company names and product names in the table are registered trademarks or trademarks.


Cable between the sensor head and the controller


Model LJ-GC2 LJ-GC5 LJ-GC10 LJ-GC20 LJ-GC30
Cable length 2 m 6.6" 5 m 16.4"
10 m 32.8" 20 m 65.6" 30 m 98.4"
Weight Approx. 200 g Approx. 400 g Approx. 750 g Approx. 1400 g Approx. 2000 g



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