TYPE OPTICAL DISPLACEMENT SENSOR High-precision measurement using
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LH-50
TYPE OPTICAL DISPLACEMENT SENSOR
High-precision measurement using safe beam
Conforming Directive
Minute displacements measured with high precision beam!!
LH-50
High resolution Linearity within
(Note)
Minute displacements measured with high resolution (LH-54).
0.2% F.S.
(Note)
Displacement output analog fashion with almost error.
Temperature characteristics within
Changes temperature have virtually effect.
Note: Variations occur depending measurement conditions.
0.04% F.S./
(Note)
SAFETY
Used
Adoption means
light source uses safety. result, complicated safety measures which necessary when using laser light completely unnecessary.
Even though used
degree performance achieved same laser-type sensor class (Class that high-precision measurement possible.
Laser-type displacement sensor Optical shield needed
LH-50SERIES
COMPACT
Compact Lightweight
24mm 72mm 17mm 46mm
Both sensor head controller more compact
Sensor head
Compared previous sensors, LH-50 series sensors much more compact lightweight, that they easily installed even tight spaces.
75mm
46mm
Previous product
LH-50 SERIES
77.5mm 67mm
Controller
general purpose controller most compact class. Furthermore, high-functionality controller 48mm panel mounting type which mounted equipment panels.
48mm 40mm
Panel mounting
26mm
48mm
General purpose controller (DIN rail mounting type)
High-functionality controller (Panel mounting type)
GLOBAL
Universal
COST REDUCTION
Reducing Total Cost
Complies with directive marking
LH-50 series complies with directive marking. uses beam which subject restrictions. addition, planned obtain recognition.
digital panel controller needed
high-functionality controller includes built-in calculation measurement functions, that digital panel controller which needed previously longer required, thus reducing costs. addition, also helps reduce wiring space costs.
needed
Digital panel controller
LH-CS6
CONVENIENT
Simple Useful
Turn Press
Uses easy-to-operate switch industry first (general purpose controller)
Threshold value settings other settings made easily using extremely easy-to-operate switch. Furthermore, settings measurement values indicated 5-digit display.
5-digit display examples
(Example measurement value)
(Example settings)
Flexible combinations (sensor head, general purpose controller, high-functionality controller)
LH-50 series used combination desired. addition, sensor head controller need managed pair. Moreover, LH-CD6 high-functionality controller connected sensor heads different types.
Select center measuring distance measuring range
Select function
General purpose controller LH-CL6
40mm type sensor LH-54
80mm type sensor LH-58
High-functionality controller (1ch) LH-CS6
120mm type sensor LH-512
High-functionality controller (2ch) LH-CD6
Combination examples
General purpose controller
High-functionality controller (1ch)
High-functionality controller (2ch)
LH-50SERIES
Full range `ready-to-use' `useful' functions (high-functionality controller)
high-functionality controller equipped with useful calculation functions, that digital panel controller which needed previously longer required.
Digital panel controller needed
LH-CD6
Digital panel controller
Calculation, level difference thickness measurements displacement from measuring center when using single sensor head default settings, that unit used immediately.
Level difference measurement
Thickness measurement
Level difference
Thickness
Equipped with RS-232C interface (high-functionality controller)
high-functionality controller equipped with RS-232C interface, that personal computer used carry settings measurements, bypassing controller's panel screen.
LH-50
types setting storage memory
EXAMPLE
Automatic response time setting
High-functionality controller
LH-CS6 LH-CD6 high-functionality controllers equipped with automatic response time setting function. This function sets response time automatically accordance with object's speed movement. ensures accurate measurement even variable line speeds. addition, eliminates burden having response time.
line speed becomes faster
line speed becomes slower
Response time resolution settings suit application
High-functionality controller
General purpose controller
Both general purpose controller high-functionality controller select response time from eight settings. (The high-functionality controller also allows automatic response time setting.) Conventional displacement sensors generally provided three settings, LH-50 series settings) provides much greater flexibility response time resolution.
Conventional (example)
LH-50 series
Response time/Resolution
Sensor head Model Controller response time
LH-54
LH-58
LH-512
Priority resolution
RESPONSE
300ms 100ms 40ms 30ms 20ms 10ms
10!m 20!m 40!m
14!m 16!m 28!m 40!m 120!m 160!m
20!m 40!m 65!m 75!m 92!m 130!m 400!m 580!m
Fast Medium Slow
Priority response
0.5ms
Note: resolution values were obtained under following measurement conditions. supply voltage, SELECT gain setting, center measuring distance, interference prevention function used white ceramic board object. addition, values analog output controller used.
LH-50
EXAMPLE
High-functionality controller General purpose controller
AUTO gain setting SELECT gain setting
types gain control provided: AUTO SELECT settings), provide great flexibility variety applications. Furthermore, 7-segment display used indicate whether gain optimum level.
AUTO gain setting: objects with highly variable color materials
AUTO gain setting ensures accuracy even patterned objects
This setting automatically controls gain that incident light intensity optimized handle variations reflection ratios (variations amount light received) measured objects. suitable objects which produce large variations reflection ratios.
Note: Some fluctuation resolution linearity occur when this setting used.
SELECT gain setting: more accurate measurement using optimum gain
This function lets gain match reflection ratio measured object. incoming light status (general purpose controller) provided assist with setting gain optimum level.
BRI. GOOD DAR. BRI. GOOD DAR. BRI. GOOD DAR. BRI. GOOD DAR. BRI. GOOD DAR.
<BRIGHT condition>
<GOOD optimum condition> Incident light intensity
<DARK condition>
Large
Small
illustrations show display general purpose controllers. High-functionality controllers also provided with AUTO gain SELECT gain settings.
Analog output hold function
High-functionality controller
General purpose controller
momentary underexposure (DARK) overexposure (BRIGHT) conditions occur, value held level immediately before this occurs. allows measurement continue without breaks analog output.
Measured object Analog output waveform Momentary underexposure (DARK)
Alarm output
LH-50
EXAMPLE
High-functionality controller
types setting storage memory
LH-CS6 LH-CD6 high-functionality controllers have types built-in setting storage memory provide greater flexibility production lines where model variety frequently changes.
Example: Measurement products with variable heights good/bad judgement
value 30mm 0.5mm
value 25mm 0.3mm
value 35mm 0.8mm
Two-in-one functionality
applications where sensor units were previously required.
General purpose controller
LH-CL6 general purpose controller independent comparison outputs, making suitable
Example: Dimension checking after press-fitting, Example: separation defective items
Incomplete press-fitting
Press-fitting missed
Comparative output
(FAR setting)
Press-fitting missed
Comparative output
(NEAR setting)
Incomplete press-fitting
LH-50
LIST MAIN CONTROLLER FUNCTIONS
Common functions (common general purpose controller high-functionality controller)
Item Function
AUTO gain setting function Measuring condition SELECT gain setting function Response time setting function
Outline
Automatically sets gain optimum level match changes reflection ratio measured objects. Lets user select gain match changes reflection ratio measured objects. Lets user select response time match line speed measured objects.
Shift adjustment function
Adjusts analog output shift value display values.
Analog output
Span adjustment function
Adjusts analog output span value display values.
Analog output
Adjustment Forcibly resets currently measured value then caries measurement with this value reference.
Measurement value Display value
0-ADJ function
0-ADJ input
0-ADJ function clear function 0-ADJ value memory function Analog output off-set function Teaching function
Returns value which forcibly using 0-ADJ function back original value. Enables 0-ADJ value stored memory. Applies user-defined offset analog output. Allow measured value measured object used threshold value.
Time chart
Comparative output Timer function
Sensing condition ON-delay: Disables short-term detection. Normal operation OFF-delay: ON-delay Extends output signal constant length time. OFF-delay
Sensing Non-sensing
Timer period: 1,000ms
Display
Distance display/Displacement value display select function Sleep function Analog output hold function
Toggles display between distance displacement value display. Turns value display. measurement possible, this function maintains analog output level output immediately before this occurs. Prevents mutual interference when using sensors close proximity. using LH-CD6 high-functionality controller, interference prevented four sensors.]
Others Interference prevention function
Additional functions (high-functionality controller)
Item
Measuring condition
Function
Automatic response time setting function
Outline
Automatically sets response time match line speed measured objects order provide optimum resolution. Carries arithmetical processing channel input value channel input value. Calculates measured values channel channel Calculates difference between measured values channel channel Subtracts measured values channel channel from constant value Subtracts measured value channel from measured value channel subtracts result from constant value B)/2 Obtains simple average measured values channel channel Peak-to-peak hold: Holds displays difference between maximum minimum values obtained during measuring period. Peak hold: Holds displays maximum value obtained during measuring period. Bottom hold: Holds displays minimum value obtained during measuring period. Allows setting details stored different memory locations. Allows measured values setting values transmitted RS-232C interface.
Calculation function [LH-CD6 only] Calculation measurement
Measurement function
value memory Communication
value memory function RS-232C communication function
LH-50
ORDER GUIDE
Sensor heads
Type Appearance/Center measuring distance/Measuring range/Spot diameter
46mm
Model
Resolution
40mm type
10mm
46mm
"1.6mm less 40mm
46mm
LH-54
80mm type
20mm
46mm
"2.0mm less 80mm
46mm
LH-58
120mm type
30mm
46mm
LH-512 "3.0mm less 120mm
20!m
Notes: head dimensions, center measuring distance center measuring length shown same scale. (The spot diameter shown scale.) spot diameter typical value center measuring distance given, based definition 1/e2 (13.5%) beam axis intensity. resolution values were obtained under following measurement conditions. supply voltage, +20°C ambient temperature, SELECT gain setting, 300ms response time setting, center measuring distance, interference prevention function used white ceramic board object,
Controllers
Type
General purpose
sensor heads connected
Appearance
Model
Comparative output
OUT1, OUT2 open-collector transistor
Mounting bracket general purpose controller (accessory)
MS-DIN-3
LH-CL6
LH-CL6P LH-CS6
OUT1, OUT2 open-collector transistor open-collector transistor open-collector transistor open-collector transistor open-collector transistor
High-functionality
LH-CS6P LH-CD6
Nos. photo shows LH-CD6.
LH-CD6P
OPTIONS
Designation Model LH-CCJ2
Extension cable
Description Length: Weight: 130g approx. Length: Weight: 270g approx. Length: Weight: 480g approx. 0.22mm2 cabtyre cable, with connector both ends Cable outer diameter: "6mm Connector outer diameter: "14.7mm max.
LH-CCJ5 LH-CCJ10
Extension cable
Length
LH-50
APPLICATIONS
Thickness measurement Level difference measurement Winding length measurement
SPECIFICATIONS
Sensor heads
Item Designation Model LH-54
40mm 10mm 50mm) "1.6mm less
type optical displacement sensor head LH-58
LH-CL6, LH-CL6P, LH-CS6, LH-CS6P, LH-CD6, LH-CD6P 80mm 20mm 100mm) (modulated) (Peak wavelength: 650nm) "2.0mm less Within 0.2% F.S. 60°C 45°C condensation), Storage: IP67 (IEC)
LH-512
120mm 30mm 150mm) "3.0mm less
Applicable controller Center measuring distance Measuring range Emitting element Spot diameter (Note Linearity Ambient temperature Ambient humidity Protection (Except connector part) Cable Weight
Storage: 0.22mm2 11-core composite cabtyre cable, 0.2m long, with connector approx. (with cable), approx. (without cable)
Notes: Conditions which have been specified taken supply voltage, 20°C ambient temperature, SELECT gain setting, 300ms response time setting, center measuring distance, interference prevention function used white ceramic board object. This value center measuring distance, based definition 1/e2 (13.5%) beam axis light intensity. Take care that some amount light spreads specified spot diameter and, depending conditions around measured object, affect measurement accuracy.
LH-50 SERIES
SPECIFICATIONS
Controllers
Item
TYPE OPTICAL DISPLACEMENT SENSOR
General purpose Type output type output type LH-CL6 LH-CL6P Model
250mA less
High-functionality output type output type LH-CS6 LH-CD6 LH-CS6P LH-CD6P
LH-54, LH-58, LH-512 300mA less Nos. 350mA less 300mA less Nos. 350mA less Ripple less Analog current Output current: 20mA/F.S. Load resistance: less
Applicable sensor head Connectable sensor heads (Max.) Supply voltage Current consumption (Note Analog output Response time 90%) Temp. characteristics Span adjustment/Shift adjustment Within F.S. (Note Independence outputs (OUT1, OUT2) open-collector transistor Maximum source current: 100mA Applied voltage: less between comparative output Residual voltage: 1.5V less 100mA source current) 0.4V less 16mA source current) Independence outputs (OUT1, OUT2) open-collector transistor Maximum sink current: 100mA Applied voltage: less between comparative output Residual voltage: 1.5V less 100mA sink current) 0.4V less 16mA sink current)
Analog voltage 5V/F.S. Output voltage: Output impedance: 300ms selectable switch
selectable (Automatic response time setting possible.) Within 0.04% F.S./°C Within F.S. (Note Three outputs (HI, open-collector transistor Maximum source current: 50mA Applied voltage: less (between comparative output Residual voltage: 1.0V less 30mA source current) 0.4V less 16mA source current)
Comparative output
Three outputs (HI, open-collector transistor Maximum sink current: 50mA Applied voltage: less (between comparative output Residual voltage: 1.0V less 30mA sink current) 0.4V less 16mA sink current)
Output operation Short-circuit protection Alarm output Strobe output Ambient temperature Ambient humidity Accessory
when threshold level reached (selectable)
when threshold level reached Incorporated Incorporated Incorporated
50°C condensation), Storage:
60°C
Storage: Emission: EN50081-2, Immunity: EN50082-2 MS-DIN-3 (Controller mounting bracket): ATA4811 (Controller mounting frame):
Notes: Conditions which have been specified taken supply voltage, 20°C ambient temperature, SELECT gain setting, 300ms response time setting, center measuring distance, interference prevention function used white ceramic board object. Including sensor head. linearity sensor head controller been adjusted time shipment. Carry shift adjustment span adjustment suit operating conditions.
Guide Users Manual Technical Reference Manual
separate
`Users Manual'
contains details
functions, applications, operating procedures notes various controllers. addition,
`Technical Reference Manual' which
contains technical data which used reference actual also available. Please your nearest SUNX product distributor details.
LH-50 series Users Manual LH-50 series Technical Reference Manual
Pioneer Sensor Systems
information subject change without prior notice.
SUNX Limited
2431-1 Ushiyama-cho, Kasugai-shi, Aichi, 486-0901, Japan Phone: +81-(0)568-33-7211 FAX: +81-(0)568-33-2631
Internet home page http://www.sunx.co.jp/
Overseas Sales Dept.
Phone: +81-(0)568-33-7861 FAX: +81-(0)568-33-8591 Printed 100% recycled paper PRINTED JAPAN CE-LH50-10 July, 2000
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