Di-soric LAT 61 User Manual
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Di-soric LAT 61 User Manual

Compact laser displacement sensor
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Compact Laser Displacement Sensor
LAT 61
USER´S MANUAL

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Summary of Contents for Di-soric LAT 61

  • Page 1 Compact Laser Displacement Sensor LAT 61 USER´S MANUAL...

  • Page 3: Safety Precautions

    Introduction Safety Precautions This product is used to detect objects, and does not incorporate control functions for the purpose of maintaining safety including the prevention of accidents. Do not use this product as a human sensor to protect human bodies. Use products that conform to the laws, regulations, and international standards, such as OSHA, ANSI, and IEC standards, for applications protecting human bodies.

  • Page 4: Correct Handling

    Introduction Correct Handling Pay attention to the following items when installing and using the system. Installation Environment Do not install the system in the following places. • Places where the ambient temperature, humidity, or the illumination level of the light receiving surface is in excess of the operating environmental conditions. Refer to “Operating Environment”.) •...

  • Page 5: Power Supply Voltage

    Introduction ambient temperature is 40°C or higher. In the case of installing two or more sensor heads in parallel, mount each sensor head to an aluminum or steel plate with a minimum surface area of 200 cm make sure that the ambient temperature does not exceed 40°C. Ambient humidity •...

  • Page 6: Warm-Up Time

    Introduction Warm-up Time In order to ensure the performance of the system, allow a warm-up time of at least 30 minutes after the system is turned ON. Countermeasures against Noise • Install the system separated as much as possible from noise generating sources, such as high-tension lines, high-voltage equipment, power lines, power equipment, machines generating high-voltage ON/OFF surges, welding machines, and inverter motors.

  • Page 7: Applicable Power Supply

    Introduction Power Supply Applicable Power Supply • Select a power supply with a maximum ripple of 0.5 V (peak to peak) and a minimum current capacity of 0.5 A. • Be sure to ground the FG terminal in order to prevent an adverse influence of high-frequency noise if a commercially available switching regulator is used for the power supply.

  • Page 8: Ce Compliant Conditions

    Introduction CE Compliant Conditions Make sure that the length of signal and power lines connected to the product is less than 30 m. Attach a ferrite core to the head cable as shown below. Recommended ferrite core: SEIWA ELECTRIC MFG. Co., Ltd.E04SR200935AB or equivalent one 30 mm max.

  • Page 9: Laser Product Handling

    3) Contact the nearest office of di-soric GmbH & Co. KG if system breaks down. The product is not provided with a function to stop laser beam radiation automatically when the sensor head is disassembled.
  • Page 10 Introduction Export to US The laser product mounted on equipment and exported to the United States is subjected to the regulation of the Food and Drug Administration (FDA). In order to prevent the users’ injury caused by laser products, the FDA specifies PART 1040 (Performance Standards for Light-Emitting Products).

  • Page 11: Fda Standards

    Introduction FDA Standards Class Requirements IIIa IIIb Performance (all laser products) Protective housing [1040.10(f)(1)] *3,4 *3,4 *3,4 *3,4 *3,4 *3,4 Safety interlock [1040.10 (f) (2)] Location of controls [1040.10(f)(7)] Viewing optics [1040.10(f)(8)] Scanning safeguard [1040.10(f)(9)] Performance (laser system) Remote interlock connector [1040.10(f)(3)] Key control [1040.10(f)(4)] Emission indicator [1040.10(f)(5)] Beam attenuator [1040.10(f)(6)]...
  • Page 12 Introduction Class is based on the maximum level of laser exposure duringoperation. Required wherever and whenever such human access to laser radiation levels that exceed the limits of Class I is not necessary for the product to perform its intended function. Required at the protective housing which is designed to be removed or displaced during operation or maintenance, if removal or displacement of the protective housing could permit human access to laser or collateral radiation.

  • Page 13: Maintenance And Inspection

    Introduction Maintenance and Inspection Maintenance Instructions • Be sure to turn OFF the system to stop laser emission before cleaning the system. • Molded resin is used in some parts of the system. Do not use organic solvents such as paint thinner or benzine to wipe the dirt on the system. •...

  • Page 14: Before Use

    Before Use This Chapter provides information on the configuration, installation, and connection of the system. 1‑2 1-1 System Configuration 1‑2 1-1-1 System Configuration 1-1-2 List of System Components & 1‑3 Accessories 1‑6 1-2 Part Names and Functions 1‑7 1-3 Installation Method...

  • Page 15: System Configuration

    Chapter 1 Before Use System Configuration 1-1-1 System Configuration Analog output Analog signal processing equipment (A/D board and digital panel) Each I/O I /O control devices (PLC etc.)
  • Page 16 German, French, English...

  • Page 17: Part Names And Functions

    Chapter 1 Before Use Part Names and Functions (1) Laser Indicator (LASER) Lights up in green during laser emission. (2) Alarm Indicator (ALARM) Lights up in orange if a measurement alarm results. (3) OUT1 Indicator (OUT1) Lights up in yellow during OUT1 output. (4) OUT2 Indicator (OUT2) Lights up in yellow during OUT2 output.

  • Page 18: Installation Method

    Chapter 1 Before Use Installation Method Before installing each device, read carefully the explanation of the setting environment, concern about noise and radiation, and power supply. Refer to “Introduction” – “Correct Handling”.) Fix the sensor head securely with M4 screws inserted into the two screw holes of the sensor head.

  • Page 19: Mounting Direction Of Sensor Head

    Chapter 1 Before Use Mounting Direction of Sensor Head Mount the sensor head in the direction shown below toward the measuring target in order to ensure the precise and stable measurement operation of the sensor head. Installation direction toward the moving target •...
  • Page 20 Chapter 1 Before Use • Measurement of targets with level differences When measuring a moving target that has level differences, set the direction of the sensor head as shown below in order to minimize interference caused by the edges of the target. Measurement of targets in narrow space or slots When measuring a target in a narrow space or slot, set the direction of the sensor head as shown below in order not to block the light path between the emitter and...
  • Page 21 Chapter 1 Before Use When mounting the sensor head to a wall surface Set the direction of the sensor head as shown below so that the receiver will not receive multi-reflected light from the wall. If the wall reflectance is high, painting the surface matte-black is effective.

  • Page 22: I/O Terminal Block

    I/O Terminal Block This chapter provides information on the I/O lines of the sensor head. 2-1 Functions and Arrangements of I/O Terminal 2‑2 Block 2‑4 2-2 I/O Circuit 2‑6 2-3 Analog Output Circuit 2‑7 2-4 Timing Chart 2-5 Conditions When Output Data Become 2‑9 Unfixed...

  • Page 23: Functions And Arrangements Of I/O Terminal Block

    Chapter 2 I/O Terminal Block 2-1 Functions and Arrangements of I/O Terminal Block Analog Output Lines Name Function Wiring color 7 A(V) Analog voltage output Shield single Black conductor 8 AGND Analog ground 9 A(I) Analog current output Shield single Gray conductor 10 AGND...
  • Page 24 Chapter 2 I/O Terminal Block * MI input varies with the period of input as shown below. Period of input Function 30 ms Zero-set ON 80 ms Reset 130 ms Memory change (M0) 180 ms Memory change (M1) 230 ms Memory change (M2) 280 ms Memory change (M3)
  • Page 25 Chapter 2 I/O Terminal Block I/O Circuit NPN Type Lead wire color (Brown) + V (Black) Output 1: OUT1 Load 50 mA max. (White) Output 2: OUT2 Load 50 mA max. External power supply (Gray) Output 3: OUT3 3 to 24 VDC Load 50 mA max.
  • Page 26 Chapter 2 I/O Terminal Block PNP Type Lead wire color (Brown) + V (Black) Output 1: OUT1 Load 50 mA max. (White) Output 2: OUT2 Load 50 mA max. (Gray) Output 3: OUT3 Load 50 mA max. (Pink/Purple) Main power supply NPN/PNP type switching input 24 VDC ±...

  • Page 27: Analog Output Circuit

    Chapter 2 I/O Terminal Block Analog Output Circuit Lead wire color Analog (Black) input device Analog voltage output: 0 to 11 V 100Ω A (V) (Shield) AGND Analog ground: ＋Ｖ AGND (Gray) Analog current output: 3.2 to 22 mA 22Ω A (I) (Shield) AGND...

  • Page 28: Timing Chart

    Chapter 2 I/O Terminal Block Timing Chart NORMAL measurement (with timing mode set to “Hold”) Data is kept on hold by timing input. Sensor measurement Zero Sensor Data Data unfixed status with measurement Data unfixed laser stopped and output unfixed status status Data unfixed status...
  • Page 29 Chapter 2 I/O Terminal Block • A zero set will be enabled by timing input while the HOLD status is valid. • A reset input by timing input during the HOLD status will cause a data unfixed status. The system will hold this status until the timing input is cancelled. •...

  • Page 30: Conditions When Output Data Become Unfixed

    Chapter 2 I/O Terminal Block Conditions When Output Data Become Unfixed The operation status will be judged as a data unfixed status (i.e., there is no determined data) immediately after settings changes are made, the system is reset, or laser stop input is turned ON.
  • Page 31 Chapter 2 I/O Terminal Block The following conditions will result in the data unfixed status. • Reset input after the power is turned ON • Sampling cycle switching • Initialization • Laser control interruption • Average times switching * There are cases where the data unfixed status does not occur depending on the setting conditions.
  • Page 32 Functions This Chapter provides information on the functions of the system. 3-1 Classification of Functions 3-2 Function List & Initial Values 3-3 Operation of Each Function 3-3-1 Basic Operation 3-3-2 Memory Change 3-3-3 Sensing Setting 3-3-4 Data Processing Settings 3-3-5 Output Settings 3-3-6 Analog Settings 3-3-7 Alarm Settings 3-3-9 System Settings...

  • Page 33: Classification Of Functions

    Chapter 3 Function Classification of Functions In this system, all functions are classified into eight categories to ensure stable measurement and various outputs. Classification Panel display Function Function settings for precise and stable measurement by Sensing Settings controlling the received light intensity of the sensor. Data Processing Function settings for processing measurement values.
  • Page 34 Chapter 3 Function Memory Ref. Class Function Details Initial value change* page Judgment Output Sets the operation of the output block. Default: 2-state 3-22 Selection Threshold a Sets threshold a Default: +(detection range) Displace and threshold b. Default: -(detection range) ment 3-24 Threshold b...

  • Page 35: Operation Of Each Function

    Chapter 3 Function Operation of Each Function 3-3-1 Basic Operation Panel Configuration (1) [ENTER] Key Used to enter items. (2) Digital Display Displays measurement values, set values, and system errors. (3) [UP] Key Used to select items. (4) [DOWN] Key Used to select items.

  • Page 36: Basic Operation

    Chapter 3 Function Basic Operation The following section explains how to operate the system in RUN mode after the system is turned ON, make function changes in the system, and reset the system to RUN mode, along with the shortcut functions of the system in RUN mode. The operation of the system common to each function is explained below.
  • Page 37 Chapter 3 Function (1) RUN mode The measurement value will appear on the digital display in this mode. The system will be set to this mode when the system is turned ON. (2) Setting mode Use this mode to make setting changes. RS-422/485 write commands cannot be received while the system is in this mode.
  • Page 38 Chapter 3 Function Making Setting Value Changes "Span," "Offset," "Displacement judgment," "Analog scaling," "Number of alarm delay times" setting values can be changed freely. Change value Change digit Change digit Change sign Change digit All digits flash...

  • Page 39: Screen Transition In Setting Mode

    Chapter 3 Function Screen Transition in Setting Mode Run mode Setting mode Sampling cycle Sensing setting Shutter time Light intensity monitor Data processing Average times settings Analysis mode Span Offset Zero set OFF Judgment output selection Output setting Threshold a Threshold b Hysteresis Judgment Output OFF Delay...

  • Page 41: Memory Change

    Chapter 3 Function 3-3-2 Memory Change The memory to save setting contents can be changed with M0 through M3. Setting Function Panel display Memory M0 Memory M1 Memory M2 Memory M3 indicates the default value. • Select the first number to be changed when the system goes into setting mode. •...
  • Page 42 Chapter 3 Function Storable Functions in Memory The function settings that can be stored in the memory are divided into two types. One of them can be stored in each specified memory number and the other one can be stored as setting values common to all memories. For the above two types of storable functions in detail, refer to "3-2 Function List &...

  • Page 43: Sensing Setting

    Chapter 3 Function 3-3-3 Sensing Setting Sampling Cycle This function is used to make measurement cycle settings. When measuring an object with poor received light intensity, such as black rubber, extend the sampling cycle to get sufficient light to perform stable measurement.

  • Page 44: Shutter Time

    Chapter 3 Function Shutter Time The shutter time controls the receiving light intensity of the sensor according to the amount of reflected light from measurement targets. If the shutter time is set to AUTO, the light intensity feedback function automatically controls the light intensity to an optimum level. In the case of fixing the shutter time, use the light intensity monitor and select a fixed value of approximately 1000 to 1300.

  • Page 45: Light Intensity Monitor

    Chapter 3 Function Light Intensity Monitor This function is used to check the current received light intensity. The peak light intensity will be displayed in a range of 0 to 4095. Setting Procedure Display the "Sensing Setting" screen while the system is in setting mode. Press the [ENTER] key.

  • Page 46: Data Processing Settings

    Chapter 3 Function 3-3-4 Data Processing Settings Average Times This function is used to set the average number of times of moving average. Use the function to stabilize unstable measurement values (including variations). Setting Function Panel display 1 time 1-time moving average processing 4 times 4-time moving average processing 16 times...

  • Page 47: Analysis Mode

    Chapter 3 Function Analysis Mode This function is used to set the analysis mode. The following table shows the function of each analysis mode. Setting Function Panel display The measurement value is output in real NORMAL time. Holds and outputs the PEAK maximum measurement value.
  • Page 48 Chapter 3 Function Press the [UP]/[DOWN] key to make analysis mode changes. (Example: Switching to PEAK to PEAK mode.) Press the [ENTER] key to determine the mode setting. 3-18...
  • Page 49 Chapter 3 Function Span The system can output measurement values with a span (factor) multiplied. Final measurement value = Span x measurement value + offset Output Final meas. value Meas. value Spanned meas. value Offset value Measurem ent range Center point of measurement Setting range Function Initial value...
  • Page 50 Chapter 3 Function Offset A desired setting value can be added to/subtracted from the measurement value. Measurement judgment will be possible from an offset in combination with “displacement judgment” by setting the size of the master workpiece (reference measurement object) for the offset, measuring the master workpiece, and turning the “zero set”...

  • Page 51: Zero-Set Off

    Chapter 3 Function Zero-set OFF This function cancels the zero set for measurement values. Setting Function Panel display Reset The zero set is not canceled. Hold The zero set is canceled. Supplemental remarks • External multi input (MI) can turn the zero set ON and OFF. ( efer to "2-1 Functions and Arrangements of I/O Terminal Block.") Setting Procedure...

  • Page 52: Output Settings

    Chapter 3 Function 3-3-5 Output Settings Judgment Output Selection This function makes it possible to select the operation of the output block. An alarm will not be output if "3-state" is selected. The final decision process is done in digital measurements. When an alarm is turned ON, the value will be set to +999.9999 with which judgment processing will be performed, provided that a fixed value has been set with “digital output at alarm”.
  • Page 53 Chapter 3 Function OUT3 settings are related to the operation of the output lines. An alarm is output through the OUT3 output line unless a 3-state value has been set. The OUT3 indicator on the sensor head and the OUT3 output readout function, however, will be turned OFF without being interlocked with the alarm.

  • Page 54: Displacement Judgment

    Chapter 3 Function Displacement Judgment This function is used to set an upper limit (threshold a), lower limit (threshold b), and hysteresis for the judgment of measurement values. Item Panel display Setting range Function Threshold a -95000 to +95000 Sets threshold a, threshold b and Threshold b -95000 to +95000...

  • Page 55: Judgment Output Off Delay

    Chapter 3 Function Judgment Output OFF Delay This function delays the timing of switching ON to OFF of judgment output. This function is useful for applying output to a control device when the output is changing at high speed. Setting Function Panel display Output according to the sampling cycle.
  • Page 56 Chapter 3 Function Setting Procedure Display the "Output Setting" screen while the system is in setting mode. Press the [ENTER] key. The "Judgment Output Selection" screen will be displayed. Press the [DOWN] key four times. The "OFF-delay" screen will be displayed. Press the [ENTER] key.

  • Page 57: Measurement Value Display On Panel

    Chapter 3 Function Measurement Value Display on Panel The rightmost digits on the digital display can be turned OFF. Setting Function Panel Display FULL All the digits are displayed. Set 1 The rightmost digit is OFF. Set 2 The rightmost two digits are OFF. Setting Procedure Display the "Output Setting"...

  • Page 58: Analog Settings

    Chapter 3 Function 3-3-6 Analog Settings Analog Output Selection This function selects the desired output type from current output and voltage output. The accuracy of selected analog output will be guaranteed. Setting Function Panel display Current Output current Voltage Output voltage indicates the default value.

  • Page 59: Analog Scaling

    Chapter 3 Function Analog Scaling This function scales analog current output or analog voltage output to any desired value. Measurement values A and B on any two measurement point can be scaled with currents a and b or voltages a and b on any two points. Analog output is turned ON according to the scaling set for analog output selection.
  • Page 60 Chapter 3 Function • The display limit of the measurement value is ±95000. Make sure that the setting value does not exceed the display limit. • Check the input range of your input device such as AD board before setting. •...

  • Page 61: Alarm Settings

    Chapter 3 Function 3-3-7 Alarm Settings Analog Output at Alarm This function is used to set the analog output status at alarm operation. Analog output in the alarm state (where measurement is disabled owing to lack of light) can be kept on hold or set to a fixed value selectively. Setting Function Panel display...

  • Page 62: Digital Output At Alarm

    Chapter 3 Function Digital Output at Alarm This function is used to set the digital output status at alarm operation. This function makes settings related to digital output (on the digital display block of the sensor head and measurement values over serial communication) in the alarm state (where measurement is disabled owing to lack of light).

  • Page 63: Alarm Delay Times

    Chapter 3 Function Alarm Delay Times This function holds the previous normal value up to the setting number of times if an alarm is issued. The previous normal value will be kept on hold up to the setting number of delay times if an alarm is issued (where measurement is disabled owing to lack of light).

  • Page 64: System Settings

    Chapter 3 Function 3-3-9 System Settings Timing Mode This function is used to set the timing input mode. Set the operation of the system with timing input turned ON. For the operation of the system in this mode, refer to "2-4 Timing Chart." Setting Function Panel display...

  • Page 65: Laser Control

    Chapter 3 Function Laser Control This function is used to select the laser emission/stop. This function makes it possible to stop unrequired laser emission while the system is not in measurement operation. Setting Function Panel display Emission Laser emission is ON Stop Laser emission is OFF indicates the default value.

  • Page 66: Eco Mode

    Chapter 3 Function Eco Mode This function turns OFF the LED indicators on the control panel while in RUN mode for energy saving. Setting Details Panel display Eco-OFF Eco Mode is OFF. Only LEDs on the digital display will be Eco-ON turned OFF.

  • Page 67: View Version

    Chapter 3 Function View Version This function is used to take the following procedure to display the version of the Setting and Monitoring Software HL-G1SMI, i.e., the function setting software for the sensor head. Setting Procedure Display the "System Setting" screen while in setting mode.

  • Page 68: Other System Settings

    Chapter 3 Function 3-3-10 Other System Settings Initialize This function is used to delete all the setting contents in the memory and returns them to the factory default settings. If the initialization is not saved, the system operates with the previous settings at the next start-up.
  • Page 69 Chapter 3 Function Save Setting Changes in Control Panel of Sensor Head Press the [ENTER] key and save the change in each item. When the system is turned ON again, the last saved settings will be reflected. Saving input over the multi-input (MI) line Multi-input can be entered for a certain period to save settings made.
  • Page 70 Chapter 3 Function 3-3-11 Measurement Control with External Input Timing This function makes it possible to hold the measurement value at the desired timing. The measurement value will be kept on hold with external input timing (TM). The judgment output is kept on hold as well simultaneously. Timing settings can be executed with communications command but not with the operation of the panel.
  • Page 71 Chapter 3 Function Reset The function resets the measurement value. At the time of making a peak measurement, valley measurement, or peak-to-peak measurement with external multi input (MI), the measurement value kept on hold at the desired timing can be reset. Input a specified pulse width as multi input.
  • Page 78 5-11...
  • Page 79 LAT 61K 30/8 IUPN LAT 61K 50/20 IUPN LAT 61K 85/40 IUPN LAT 61K 120/120 IUPN...
  • Page 85 5-10...
  • Page 86 LAT 61K 30/8 IUPN LAT 61K 50/20 IUPN LAT 61K 85/40 IUPN LAT 61K 120/120 IUPN 5-11...
  • Page 87 GmbH & Co. KG Steinbeisstraße 6 DE-73660 Urbach Fon: +49 (0) 71 81 / 98 79 - 0 Fax: +49 (0) 71 81 / 98 79 - 179 info@di-soric.com www.di-soric.com...

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