AR100
™
Super Compact Laser Sensor
User’s Manual
For use with AR100
Super Compact Triangulation Sensor
January 15, 2021
Acuity
A product line of Schmitt Industries, Inc.
2765 NW Nicolai St.
Portland, OR 97210
www.acuitylaser.com
Page 1: ...Compact Laser Sensor User s Manual For use with AR100 Super Compact Triangulation Sensor January 15 2021 Acuity A product line of Schmitt Industries Inc 2765 NW Nicolai St Portland OR 97210 www acuit...
Page 2: ...ion of the product suited to achieve your intended results and for the installation use and results obtained License Terms And Conditions a You are granted a non exclusive perpetual license to use the...
Page 3: ...5 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference...
Page 4: ...3 1 3 3 Analog Output Signals 3 2 General Description 4 2 1 Principles of Operation 4 2 2 Mechanical Dimensions 5 2 3 Installation 5 2 4 Laser Safety 6 2 5 Sensor Maintenance 7 2 6 Sensor Service 7 2...
Page 5: ...ry 17 5 1 5 Recover AR100 Factory Settings 17 5 2 ASCII Communications Protocol 17 5 2 1 Saving to Non Volatile FLASH Memory 17 5 2 2 Recover AR100 Factory Settings 17 6 Analog Output Operation 17 6 1...
Page 6: ...S485 27 9 3 Sensor Operation 28 9 4 Display and Archiving of Data 29 9 5 Setting and Saving Sensor Parameters 30 9 5 1 Setting Parameters 30 9 5 2 Saving Parameters 31 9 5 3 Saving and Writing a Group...
Page 7: ...for reference Signal and Power Interface how to hook everything up Serial Interface Operation modes formats bias Analog Output Operation current loop voltage scaling Alarm Output Operation alarm sett...
Page 8: ...lenses with bare fingers The oils are very difficult to remove Operate only with DC supply voltages between 9 and 36 volts 1 2 Definition of Terms Sensor The complete AR100 measurement device Target...
Page 9: ...S232 serial Connect the RS232 wires to a 9 pin D SUB male connector that can be plugged into a COM port of a PC RS232 Gray Ground to pin 5 Green Transmit to pin 2 and Yellow Receive to pin 3 See secti...
Page 10: ...ith a variety of red or blue laser diodes and a variety of data interfaces The sensor can be triggered externally and also has logic outputs to trigger alarms etc 2 1 Principles of Operation The AR100...
Page 11: ...without connector 2 3 Installation The AR100 sensor unit is typically installed by affixing the sensor to a machined bracket with bolts through the two mounting holes on the side of the sensor Their...
Page 12: ...length semiconductor laser The maximum output power is 0 95 mW The sensors belong to laser safety class 2 The following warning label is placed on the sensor body The following safety measures should...
Page 13: ...0 1 97 100 3 97 250 9 87 500 19 69 Linearity 0 05 of the Full Scale range 0 10 Resolution 0 01 of the Full Scale range for digital output 0 02 Temperature drift 0 02 range C Maximal sampling rate Hz 9...
Page 14: ...equest Connection according to the instructions is essential for correct sensor operation Read the wire descriptions in Section 4 1 for connection information 3 3 Standalone Cabling To use the AR100 s...
Page 15: ...r application a third party converter will be necessary RS232 An AR100 with the RS232 option can be wired directly to a 9 pin D sub serial connector using the table below Wire Color Function DB9 pin G...
Page 16: ...in a polling mode Use the Demo and Configuration Software to restore the unit to factory defaults Otherwise the 04h command will restore factory defaults to the device 3 4 2 Sensor Output Check If th...
Page 17: ...und Signal common Pink Logic Output programmable Blue Analog output current loop voltage Red Power Voltage in 4 2 Power Supply Red Brown The Brown wire is the Power Supply Common return also named Gro...
Page 18: ...ese two signals can be tied together to satisfy some PC signal requirements for hardware handshake RS485 RS485 is normally used for longer distances of communications and faster data rates Multiple de...
Page 19: ...ng frequency of the sensor 9 4 kHz and this value increases in proportion to the frequency reduction Figure 1 Wiring Diagram for Current Loop output 4 4 2 Voltage Output The voltage output connection...
Page 20: ...n section 7 for operation options and details The Logic Output is an open collector NPN transistor switch to the Ground for Signal Grey When the Alarm Output is not active its output will be high impe...
Page 21: ...formed by communication sessions commands which are only initiated by the master PC controller There are two kinds of sessions with such structures 1 request message answer square brackets include op...
Page 22: ...hes or bursts as well as for control of batch losses in receiving data streams The following is the format of two response data bursts for transmission of a byte Byte Bits Description 7 6 5 4 3 2 1 0...
Page 23: ...ased format that may make the data easier to read for those using only a terminal emulator to operate the laser The AR100 is set by default to binary output The output can be changed to ASCII output u...
Page 24: ...face the value will always be set to 0 despite any attempts to change it 6 2 Analog Output Mode Binary 02h bit R ASCII TAx Default Value 0 Window Mode The analog output can be operated in two modes Wi...
Page 25: ...ing of the range of the analog signal is set at a higher value than the end value of the range this will change the direction of rise of the analog signal Parameters to set the Beginning of the Analog...
Page 26: ...11 Slave mode o Activate this mode by setting bits M2 M1 and M0 to 001 Hardware Zero Set Mode Tare function Activate this mode by setting bits M2 M1 and M0 to 010 When the Logic Interface wire is grou...
Page 27: ...ASCII communication mode but like in binary communication mode synchronization mode makes it possible to synchronize measurement sample times of two and more sensors Synchronization is achieved by tyi...
Page 28: ...er Disable feature in section 7 The binary parameter 00h and ASCII command Ox use values 1 or 0 for ON or OFF respectively 8 3 Network Address Binary 03h ASCII none Default Value 1 This parameter defi...
Page 29: ...ime Sampling Value 0 When selected the sensor automatically transmits the measurement result via serial interface in accordance with selected sampling period Trigger Sampling Value 1 When selected the...
Page 30: ...ce is used to receive the result the time required for data transmission at a selected data transmission rate should be taken into account in the case Where small sampling period intervals are used If...
Page 31: ...Dxxx Default Value 1 5ms If the sensor does not see the target surface or if a new measurement cannot be received a zero value is transferred The Results Lock parameter sets a time limit during which...
Page 32: ...nal spikes in the output of the sensor caused by inaccurate readings in dynamic applications Averaging over a number of results does not affect the data update in the sensor output buffer However in c...
Page 33: ...rogram Setup Start file AR100setup exe and follow the instructions for the installation wizard 9 2 Connecting to the sensor RS232 RS485 Once the program is started the pop up window appears In the RS2...
Page 34: ...it will be necessary to set the search range for the baud rate and the network addresses When set press the Search button The program will perform automatic search of the sensor by searching over poss...
Page 35: ...memory The number of points displayed along the X axis can be set in the Number of points in buffer window Y axis scaling can be set by the Auto scaling function One can toggle ON OFF the scaling gri...
Page 36: ...es 9 5 Setting and Saving Sensor Parameters 9 5 1 Setting Parameters Configuring is only accomplished through RS232 or RS485 interfaces Setting of parameters for all optional interfaces can be done us...
Page 37: ...ot factory default configuration 9 5 3 Saving and Writing a Group of Parameters Parameters of the sensor can be saved to a file on your computer This is done by selecting File Write parameters set and...
Page 38: ...ta streaming Parameter Code Description Values 00h Sensor ON OFF 0 laser OFF sensor in power save mode 1 laser ON measurements are taken default 01h Analog output ON OFF 0 analog output OFF 1 analog o...
Page 39: ...er byte of the sampling period 0Ah Lower byte of maximum integration time 2 3200 default 3200 specifies the limiting time of integration by CMOS array in increments of 1 s 0Bh Higher byte of maximum i...
Page 40: ...s of the output measurements upon being entered Request Code Description x values Wx Save and recovery 0 save current parameters to non volatile memory 1 recover default parameters Note this will not...
Page 41: ...the division for the external synchronization input Note See section 8 6 for further explanation Exxxx Maximum integration time 2 3200 default 3200 specifies the limiting time of integration by CMOS a...
