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1. Acuity AccuRange AR500 Laser Sensor User s Manual LLLOOxxxx Rev 1 0 For use with AR500 Laser Position Sensor August 10 2012 Acuity A product line of Schmitt Industries Inc 2765 NW Nicolai St Portland OR 97210 www acuitylaser com Limited Use License Agreement CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE OPENING THE PACKAGE CONTAINING THE PRODUCT AND THE COMPUTER SOFTWARE LICENSED HEREUNDER CONNECTING POWER TO THE MICROPROCESSOR CONTROL UNIT INDICATES YOUR ACCEPTANCE OF THESE TERMS AND CONDITIONS IF YOU DO NOT AGREE WITH THE TERMS AND CONDITIONS PROMPTLY RETURN THE UNIT WITH POWER SEAL INTACT TO THE DEALER FROM WHOM YOU PURCHASED THE PRODUCT WITHIN FIFTEEN DAYS FROM DATE OF PURCHASE AND YOUR PURCHASE PRICE WILL BE REFUNDED BY THE DEALER IF THE DEALER FAILS TO REFUND YOUR PURCHASE PRICE CONTACT SCHMITT INDUSTRIES INC IMMEDIATELY AT THE ADDRESS SET OUT BELOW CONCERNING RETURN ARRANGEMENTS Schmitt Industries Inc provides the hardware and computer software program contained in the microprocessor control unit Schmitt Industries Inc has a valuable proprietary interest in such software and related documentation Software and licenses the use of the Software to you pursuant to the following terms and conditions You assume responsibility for the selection of the product suited to achieve your intended results and for the installation use and results obtained License Terms And Condit
2. 85h 80h Answer Slave A4h AOh 12 3 Request Inquiring of result Condition device address 1 result 02A5h packet number 3 Request Master 01h 86h Answer Slave B5h BAh B2h BOh Measured distance mm for example range of the sensor 50 mm X 677 02A5h 50 16384 2 066 mm 12 4 Request writing sampling regime trigger sampling Condition device address 1 request code 03h code of parameter 02h value of parameter Oth Request Master 01h 83h Message Master 82h 80h 81h 80h 12 5 Request writing the divider ration Condition divider ration 1234 3039h device address 1 request code 03h code of parameter 09h first or higher byte value of parameter 30h Request Master 01h 83h AR500 User s Manual LLLOOxxxx Rev 1 0 42 Acuity Message Master 89h 80h 80h 83h and for lower byte code of parameter 08h value of parameter 39h Request Master 01h 83h Message Master 88h 80h 89h 83h AR500 User s Manual LLLOOxxxx Rev 1 0 43 Acuity 13 Accessories 13 1 Protective Enclosure Acuity offers an air cooled protective housing for the AR500 It is designed to be used in harsher environments of higher ambient temperature or airborne particles The temperature of compressed air at the sensor input must be lt 25 C and it must be filtered of oil dirt and passed through a desiccator
3. Rev 1 0 23 Acuity If the selected parameters correspond to the parameters of the sensor interface the program will identify the sensor read and display its configuration parameters AR500 sp pe About Interfaces configuration parameters Gurvent result RS232 RS485 CAN Ethemet Analog PC settings COM port COM3 Baud rate b sec 460800 Network address 1 Sensor settings Baud rate b sec 460800 AEN EN baa Sabo E Network adress 1 Modes of data transfer Request v Sensor configuration parameters Time limit for integration 3200 mks Sampling mode Time 10 ms Point of zero AL Operation mode Beyond the range Measurement value Time lock of the result 10 ms Saal al Oe oS er a Method of results averaging Number of results Number of averaged values 1 ent d i 04 06 08 Measurement counter Sat LG 19 zeg ME RET Measurement range 100 Min Number of points in buffer 1000 Firmware release 88 r S R Clear profile Set digits after point 2 D peak Average a Grid TT Auto scaling C Write data file Current sensor 12073 COMS 460800 Sampling frequency kHz If connection a connection cannot be Warning established a prompt will appear asking to make an automatic search for the sensor Sensor is not detected Try to search Finding tz To start search press the Yes button and a
4. configuration window will appear Where it will be necessary to set the search range for the baud rate and the network addresses When set press the Search button Retneval range Baud rate 2400 w 321600 Set net address 1 127 Search results COM1 9600 1 The program will perform automatic search of the sensor by searching over possible rates network addresses and COM ports of PC 9 3 Sensor Operation Once the sensor is successfully identified check its operability by placing a target in the path of the laser and within the sensor s working range Press the Request button to obtain a single measurement on the Current Result indicator at the top of the screen Note The pressing of the Request button executes 06h request AR500 User s Manual LLLOOxxxx Rev 1 0 24 Acuity Pressing the Stream button will switch the sensor to the data stream trans mission mode 07h request code File About Keataies conta ms ao Current result 199 49 mm R5232 R5485 CAN Ethemet Analog PC settings T l i I Baud rate b sec 460800 199 9 K I A pi 1 l ii f sa Network address 1 e i d il i d l SSC H 7 jt i a 3 199 8 l i j ih d WW Ii J Z l Au HL H Op V ji z Rea S NN i Ur i i d i Ail I l i 5 IN EE od Wo ALUE N A AL WN A i Vd e ne K
5. gh D e Fa DT WI 1 l Lu l T 100 199 6 y Wa bg i enema rien HIN UNI MH Beyond the range I Nu T 199 5 Ht HHH ai SE O Number of results ER EA D a E E _ 4 4 4 jy 4 4 4 1 100 200 300 400 500 z Measurement counter levice type SSS Zo o Vat tas a Pe S y Number of points in buffer 1000 Set top stream lax i poo p i Firmware release 88 Ge 052 Clear profile Set digits after point 2 Average 199 72 NI Grid Current sensor 10310 via Ethernet Output rate kHz 9 941 Measurement frequency kHz 9 421 Move the target object and observe changes in the distance readings The status line in the lower part of the window will show current data transmission and refreshing rates Press the Stop stream button to stop data transmission O8h request code 9 4 Display and Archiving of Data Measurement results are displayed in digitally and in chart form while stored in the PC 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 grid by checking the Grid checkbox One can select the number of significant digits to the measurement result in the Set digits after point pull down menu To archive received data to a file select the Write data file checkbox Note the number of points displayed on the chart depends on PC speed and becomes smaller in propo
6. not power to the sensor itself AR500 User s Manual LLLOOxxxx Rev 1 0 18 Acuity 8 Performance Optimization This section describes how to configure the AR500 sensor for best use in your particular application 8 1 Baud Rate 04h The AR500 automatically begins measuring and outputting distance measurements to the analog and serial lines when powered up The default baud rate is 9600 bit s Users may select among several baud rates that will optimize the sensors speed or accuracy performances over a serial connection Parameter 04h has values from 1 192 which specifies the data transfer rate in multiples of 2400 The default value is 4 9600 bit s 8 2 Laser ON OFF 00h This serial function toggles the laser ON or OFF The default setting is ON Note that there exists a hardware Logic line which can control the laser s sate as well See Laser Disable feature in section 7 Parameter 00h has values from 1 or O for ON or OFF respectively 8 3 Network Address 03h This parameter defines the network address of the sensor equipped with RS485 interface The factory default value is 1 Network data communications protocols assume the presence of a master in the network which can be a computer or other information gathering device and from 1 to 127 slaves AR500 Series sensors which support the protocol Each slave is assigned a unique network identification code a device address The addr
7. 1 byte of Source IP Address 7Ah 2 byte of Source IP Address 7Bh 3 byte of Source IP Address 88h ETHERNET interface ON OFF 0 ETHERNET interface OFF 1 ETHERNET interface ON UDP protocol AR500 User s Manual LLLOOxxxx Rev 1 0 40 Acuity 12 Examples of communication sessions See section 5 1 for descriptions of protocols and section 11 for the codes themselves 12 1 Request Device identification Condition device address 1 request code 1h device type 61 firmware release 88 58h serial number 0402 0192h base distance 80mm 0050h measurement range 50mm 0032h packet number 1 The request format Byte 0 Byte 1 Bytes 2 N INCO 7 0 INC1 7 0 MSG 0 ADR 6 0 1 0 0 0 COD 3 0 Request from Master Byte 0 Byte 1 INCO 7 0 INC1 7 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0l0 1 Oth th The following is the format of two answer data bursts for transmission transmission bytes of one data byte DAT 7 0 DAT 7 0 Byte 0 Byte 1 1 0 CNT 1 0 DAT 3 0 1 0 CNT 1 0 DAT 7 4 Answer of Slave Note all response transmission bytes have the same high order nibble in this case 9h to show that these are all part of one message They call this identifier the burst number CNT This nibble has values of 9h Ah Bh or Ch that
8. Answer Answer is data burst that can be transmitted by a slave in the course of the session All messages with an answer burst contain 1 in the most significant digit Data in a message are transferred in tetrads When a byte is transmitted the lower tetrad goes first and then follows the higher tetrad When multi byte values are transferred the transmission begins with lower byte When answer is transmitted the message contains e SB bit characterizes the updating of the result If SB is equal to 1 this means that the sensor has updated the measurement result in the buffer if SB is equal to 0 then non updated result has been transmitted subject to sampling period SB 0 when parameters transmit e Two additional bits of cyclic binary batch counter CNT Bit values in the batch counter are identical for all transmissions of one batch The value of batch counter is incremented by the sending of each burst and is used for formation assembly of batches 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 DAT 7 0 Byte 0 Byte 1 1 SB CNT 1 0 DAT 3 0 1 SB CNT 1 0 DAT 7 4 All values are given in binary form The Base distance and range are given in millimeters The value of the result transmitted by a sensor D is so normalized that 4000h
9. NOTE max baud rate 460800 05h Reserved 06h Number of averaged values 1 128 default 1 07h Reserved 08h Lower byte of the sampling 1 10 65535 default 500 period the time interval in increments of 0 01 ms with which 09h Higher byte of the sampling sensor automatically communicates of results on period streaming request priority of sampling 0 2 1 65535 default 500 divider ratio of trigger input with which sensor automatically communicates of result on streaming request priority of sampling 1 OAh Lower byte of maximum 2 65535 default 200 specifies the limiting time of integration time integration by CMOS array in increments of 1mks OBh Higher byte of maximum integration time OCh Lower byte for the beginning 0 4000h default 0 specifies a point within the of analog output range absolute range of transducer where the analog output ODh Higher byte for the beginning has a minimum value of analog output range OEh Lower byte for the end of 0 4000h default 4000h specifies a point within analog output range the absolute range of transducer where the analog OFh Higher byte for the end of output has a maximum value analog output range 10h Time lock of result 0 255 specifies of time interval in increments of 5 mc 11 16h Reserved 17h Lower zero point 0 4000h default 0 specifies beginning of 18h Higher byte zero point absolute coordinate system 19 1Ch Reserved 20h Data trans
10. common Pink 6 Logic Output programmable Blue 7 Analog output current loop voltage Red 8 Power Voltage in 4 2 Power Supply Red Brown The Brown wire is the Power Supply Common return also named Ground It carries the return current for the power supply The Red wire is the Power Supply Input to the sensor The sensor requires 9 36 VDC power and consumes 1 5 2 Watts of power lt 250mA draw depending on the sensor s configuration Power supplies from 9 VDC to 36 VDC may be used Higher voltages will result in excessive current drawn by the over voltage protection circuitry and may cause permanent damage Voltages less than 9 VDC may result in inaccurate measurement readings or non functionality 4 3 RS232 RS485 Serial Comm Green Yellow Your sensor is configured with either RS232 or RS485 communications AR500 User s Manual LLLOOxxxx Rev 1 0 9 Acuity See Serial Interface Operation section for information on commands and data The maximum baud rate is 460 8 KBaud for RS232 and 921 6 KBaud for RS485 RS232 RS232 is normally used for shorter distances of communications and slower data rates RS232 allows only one transmitter and one receiver per network A standard 9 pin D SUB RS232 serial female connector can be built to interface with an IBM or compatible computer using connection the pins below Color Pin on DSUB 9 Function connector Green 2 Transmit data from sen
11. period parameters control only the transmission of data The sensor operation algorithm is built so that measurements are taken at a maximum possible rate determined by the integration time period the measurement results are sent to buffer and stored therein until a new result arrives The above mentioned parameters determine the method of the read out of the result from the buffer Note 2 If the bit serial interface is used to receive the result the time required for data transmission at a selected data transmission rate should be AR500 User s Manual LLLOOxxxx Rev 1 0 20 Acuity taken into account in the case Where small sampling period intervals are used If the transmission time exceeds the sampling period it is this time that will determine the data transmission rate 8 6 1 Output Rate The sensor s output rate OR depends on the selected Baud rate BR of serial interface and is calculated by the following formula OR 1 44 BR 1 10 Hz For example for BR 460800 b s Output Rate 9 4 kHz 8 7 Integration Time OAh OBh The intensity of the reflected laser radiation varies with target surface characteristics color texture etc and ambient lighting conditions The laser s output power and the integration time like camera shutter time of the CMOS detector array are automatically adjusted to achieve maximum measurement accuracy The Integration Time parameter specifies a maximum allowable integrati
12. reception of data from in RF603 sensor BOOL RF60x_CustomCmd HANDLE hCOM char pcInData DWORD dwInS ize char pcoutData DWORD pdwoutsize Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile pcInData pointer to data array which will be transmitted to RF603 sensor If no data need to be transmitted pcInData must be NULL and dwInSize must be 0 dwInSize size of transmitted data If no data need to be transmitted this parameter must be 0 pcOutData pointer to data array Where data received from RF603 will be saved If no data need to be received pcOutData must be NULL pdwOutSize pointer to the variable containing size of data to be received If no data need to be received this parameter must be NULL After successful receipt of data the amount of read bytes will be recorded to the variable Where this parameter points to Returned value If transmission or reception of bytes fails the function returns FALSE otherwise the function returns TRUE 10 13 Functions for Operation of sensors connected to FTDI based USB To work with FTDI based USB devices this library supports functions operating through DANN library of FTDI Performance of the functions is identical to that of the functions used for operation through serial port the main difference being the presence of FTDI_ prefix in the function name for example getting result function for serial port
13. sensor transmits the measurement result when an external synchronization input see section 4 5 is switched This takes the division factor set into account See Sampling Period section 8 6 8 6 Sampling Period 08h 09h If the Time sampling mode is selected the sampling period parameter determines the time interval over which the sensor will automatically transmit the measurement result The time interval value is set in increments of 0 01 ms For example for the parameter value equal to 100 data are transmitted through bit serial interface with a period of 0 01 100 1 ms If the Trigger sampling mode is selected the sampling period parameter determines the division factor for the external synchronization input For example for the parameter value equal to 100 data are transmitted through bit serial interface when each 100th synchronizing pulse arrives at trigger input of the sensor O8h Low byte for the sampling period O9h High byte of sampling period Default value is 500 Value ranges e In Time sampling mode 10 to 65535 The time interval in increments of 0 01 ms with which sensor automatically communicates of results on streaming request priority of sampling 0 e In Trigger sampling mode 1 to 65535 divider ratio of trigger input with which sensor automatically communicates of result on streaming request priority of sampling 1 Note 1 It should be noted that the sampling mode and sampling
14. stream The function RF603_Ethernet_GetStreamMeasure gets from the sensor 168 measurement results and fills in the next structure typedef struct _RF60x_UDP_PACKET_ RF60XUDPVALUE rf60xvalArray 168 WORD wDeviceSerial WORD wDeviceBaseDistance WORD wDeviceMeasureRange BYTE bPackCount DWORD dwReserved BYTE bPacketCcontrolSumm RF60xUDPPACKET LPRF6OXUDPPACKET Where AR500 User s Manual LLLOOxxxx Rev 1 0 35 Acuity rf60xValArray 168 structures measurements RF60xUDPVALUE which contain measurement and status word wDeviceSerial two byte value which contains serial number of the device type WORD wDeviceBaseDistance two byte value which contains base distance of the device type WORD wDeviceMeasureRange two byte value which contains measurement range of the device type WORD bPackCount one byte value which contains packet counter value type BYTE dwReserved four byte reserved value bPacketControl Ssumm one byte value which contains checksum value type BYTE The structure RF60xUDPVALUE typedef struct _RF60x_UDP_VALUE_ WORD wMeasure BYTE bStatus RF6O0XUDPVALUE LPRF6O0XUDPVALUE Where wMeasure pointer to variable USHORT WORD which contains the result D bStatusonebyte value which contains measurement status type BYTE As for function RF60x_Measure the value of the result transmitted by a sensor D is so normalized that 4000h 16384 corresponds to a
15. the cable s 8 pin connector Binder series 712 female to the plug Binder series 712 male on the back cover of the AR500 sensor Be sure to tightly secure the connection for full protection from dust and water cee Standalone Cabling To use the AR500 sensor unit without a serial connection to a host computer the only connections necessary are the power and ground wires the analog output wires and optionally the alarm output wire connecting to your data display recording or control equipment See Signal and Power Interface section 4 for wire connections In its default configuration the AR500 should stream measurement distances on power up In 4 20mA analog output mode the best accuracy and linearity for the current loop is obtained with a 500 ohm load to current loop return at the measurement point To reduce noise it is recommended to install RC resistor capacitor filter before the measuring instrument The filter capacitor value is indicated in section 4 4 for maximum sampling frequency of the sensor 9 4 kHz and this value increases in proportion to the frequency reduction An out of range current indicates a sensor measurement error The alarm output wire can be used to connect to control equipment AR500 User s Manual LLLOOxxxx Rev 1 0 7 Acuity eee Serial Connection to a Host Computer The simplest way to connect the AR500 sensor to a PC computer for initial configuration or regular distance measuri
16. to pin 3 See section 3 2 2 Use the Demo and Configuration Software see Section 9 to connect to the sensor via the serial port and get distance measurements 1 3 2 2 RS485 serial Connect the RS485 wires to a RS485 adapter connected to a PC COM port Gray Ground to pin 5 Green Data to pin 2 and Yellow Data to pin 3 See section 3 2 2 Follow the same instructions for RS232 serial above 1 3 3 Analog Output Signals Quick suggestion connect a DVM digital volt meter to the wires Gray to Common Blue to mA input Type QA The output is a 4 20mA current loop from O to the maximum range The meter should read near A mA when a target is placed in the laser beam near 0 mm and 20 mA near the end of the range AR500 User s Manual LLLOOxxxx Rev 1 0 3 Acuity 2 General Description The AR500 is an ultra compact laser diode based distance measurement sensor with available ranges covering 5 to 1000 mm Consult the AR500 data sheet for exact model range availabilities The accuracy is generally specified with an absolute linearity of 0 15 of the span and a resolution of 0 01 of the span Linearity will vary depending on sample averaging temperature target stability and surface reflectivity of the target surface The AR500 laser sensors can be ordered with a variety of red blue and infrared laser diodes and a variety of data interfaces The sensor can be triggered externally and also has logic outputs to trigger
17. 16384 corresponds to a full range of the sensor S in mm therefore the result in millimeters is obtained by the following formula X D S 4000h mm 1 On special request 05h the current result can be latched in the output buffer where it will be stored unchanged up to the moment of arrival of request for data transfer This request can be sent simultaneously to all sensors in the net in the broadcast mode in order to synchronize data pickup from all sensors AR500 User s Manual LLLOOxxxx Rev 1 0 14 Acuity When working with the parameters it should be noted that when the power is OFF the parameter values are stored in nonvolatile FLASH memory of the sensor When power is ON the parameter values are read out to RAM of the sensor To retain these changes for the next power up state a special command for saving current parameter values in the FLASH memory 04h must be run To issue requests with sizes greater than one byte set the high byte session then send the low byte request session Refer to Section 11for a list of all requests and parameters and Section 12 for Examples and Clarifications 5 1 4 Data Stream Data stream is an infinite sequence of data bursts or batches transmitted from slave to master which can be interrupted by a new request In transmission of the data stream one of the slaves fully holds data transfer channel therefore when master produces a
18. GE_COUNT Number of averaged values RF60x_PARAMETER_SAMPLING_PERIOD Sampling period RF60x_PARAMETER_ACCUMULATION_TIME Maximum accumulation time RF60x_PARAMETER_BEGIN_ANALOG_RANGE Beginning of analog output range RF60x_PARAMETER_END_ANALOG_RANGE End of analog output range RF60x_PARAMETER_RESULT_DELAY_TIME Result delay time RF60x_PARAMETER_ZERO_POINT_VALUE Zero point value RF60x_PARAMETER_CAN_SPEED Data transmission rate through CAN interface RF60x_PARAMETER_CAN_STANDARD_ D CAN standard identifier RF60x_PARAMETER_CAN_EXTENDED_ID Specifies CAN extended identifier RF60x_PARAMETER_CAN_ID CAN interface identifier IpdwValue pointer to WORD type variable Where current parameter value will be saved Returned value If the device does not respond to parameter reading request the function returns FALSE otherwise the function returns TRUE and fills variable IpdwValue AR500 User s Manual LLLOOxxxx Rev 1 0 30 Acuity 10 5 Saving current parameters in FLASH memory RF60x_FlushToFlash Function RF60x_FlushToFlash saves all parameters in the FLASH memory of the RF603 sensor BOOL RF60x_FlushToFlash HANDLE hcom BYTE bAddress Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile bAddress address of the device Returned value If the device does not respond to request to save all parameters
19. NDLE ACOM BYTE bAddress DE Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile bAddress address of the device Returned value If the device fails to be stopped in the continuous data transmission mode the function returns FALSE otherwise the function returns TRUE 10 11 Get Measurement Results from Stream RF60X_GetStreamMeasure The function RF60x_GetStreamMeasure reads data from the COM port input buffer which are received from RF603 sensor after successful execution of the RF60xX_StartStream function The data arrive in the buffer at a rate specified in the RF603 sensor parameters Since depth of the input buffer is limited to 1024 bytes it is preferable to read data with periodicity equal to that specified in the RF603 sensor parameters The parameter pusValue is identical to the parameter pusValue in the RF60x_Measure function BOOL RF60x_GetStreamMeasure HANDLE ACOM USHORT IpusValue A Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile IpusValue pointer to USHORT WORD type variable containing the result D Returned value If there are no data in the buffer the function returns FALSE otherwise the function returns TRUE and fills the value pusValue AR500 User s Manual LLLOOxxxx Rev 1 0 33 Acuity 10 12 Transmission of user data RF60x_CustomCmd The function RF60x_CustomCmd is used for transmission and or
20. Rev 1 0 17 Acuity 7 Logic Interface s Operation 02h bits M1 and MO All AR500 sensors include a multi purpose logic line See the wiring description in section 4 5 This line can work in one of the four modes defined by the configuration parameter of parameter 02h Distance Alarm This is the default logic output Bits M1 and MO have values 00 The output value is 0 when the measured distance is out of the range or selected window see Analog Window in section 6 3 Synchronization of two or more sensors Bits M1 and MO have values 01 to activate this mode The synchronization mode makes it possible to synchronize measurement sample times of two and more sensors Synchronization is achieved by tying together the trigger input lines of multiple sensors and also the logic output lines of the sensor Synchronization is a valuable feature for thickness measurements using opposing laser sensors so that measurements are captured at exactly the same instant Hardware Zero Set Tare function Bits M1 and MO have values 10 to activate this mode When the Logic Interface wire is grounded the currently measured distance is assigned as the zero point and subsequent measurements are now relative to this location within the span Laser Disable Bits M1 and MO have values 11 to activate this mode When the Logic Interface wire is grounded the laser is ON When the switch is removed from ground the laser is OFF This controls only the laser diode and
21. Rev 1 0 i Acuity AR500 User s Manual LLLOOxxxx Rev 1 0 i Acuity Acuity User s Manual for the AR500 Series Laser Sensor Rev 1 0 Table of Contents M ere eet 0 EE 1 1 General KEE ege eege fen 1 2 Definition Ol E EE 1 3 Quick Start NStrUCHONS pccisasss3saszstesestenseissacnteadseencntetassdpie tenses ensseee sees tae ege 1 3 1 Mounten e iea EEEE EEEE EE EAEE EARE E ERR EE 1 3 2 1 RS232 SOtiAl isciciwscewsssnccawseaeesawsendoew NANa 1 3 2 2 SE 1 3 3 Analog e tele EE 2 ETA e ln iecdnccmeaciecmutenenieitunissnire eee eniniee sien 2 1 Principles of Operation sicoccisaccencteteronesiwreneieimverdselemienedeievereseianenvie aera teleeeralemeencneiaments 2 2 Mechanical Dimensions eu eegeeriesEteier EECHER pheereiecmenioieneres 2 3 WAS TAN ION soseri EEEE E ad E E EEE E 2 4 EE EE 2 5 EE eege 2 6 EL 2 7 Te E 3 Installation and er LE 3 1 DAG UMN E 3 2 Cabling TOF Sensor HN eeh 3 2 1 Standalone Cabling ccectageccsact ceccectencerzais ses cectencmnaats acealazacieaas ia Saeeeeaunasseaassaee agai 3 2 2 Serial Connection to a Host Computer 3 3 POWSr Me sre et cee es sae eee ec Ea raa 3 3 1 Serial Communications Check 3 3 2 Sensor Output GHEGK eege 4 Signal and Power Interface AAA AR500 User s Manual S LLLOOxxxx Rev 1 0 iii Acuity 4 1 Sensor Cable Wire Colors and FUNCTIONS ccccccceeeecceeceeeeeeseaeeceeseeeeeeeeaeaeeeetes 9 4 2 Power Supply Red OW E 9 4 3 RS232 RS485 S
22. alarms etc 2 1 Principles of Operation The AR500 uses laser triangulation principles to measure distance The laser beam is projected from the housing s aperture and shines on a target surface where it creates a small spot From there the laser light is scattered in all directions for diffuse surfaces mirrors reflect the light specularly A collection lens is located behind a window in the sensor It collects a portion of the reflected light which is focused on a CMOS detector array The linear position of this reflected spot is converted to an electrical signal which is proportional to the target distance relative to the sensor The position is processed and communicated via serial analog digital or Ethernet interfaces 2 2 Mechanical Dimensions The following diagram shows the mechanical dimensions for the AR500 The sensor unit has two 3 6 06x7 holes on the sides The cable is for power and all communications serial analog trigger power etc It is a 8 pin connector Binder series 712 The outer case of the sensor is cast aluminum with annodization for corrosion resistance AR500 User s Manual LLLOOxxxx Rev 1 0 4 Acuity 2 3 Installation The AR500 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 location is shown in the mechanical drawing in section Error Reference source not found Not
23. cessitate factory repairs Do not operate the sensor in areas Where the sensor case is exposed to direct sunlight for extended periods or Where the air temperature is more than 60 C 140 F or less than 10 C 14 F The optional internal heater or air cooling jacket may extend these temperature limits Don t allow fast temperature variations during sensor operation Avoid excessive vibration and shocks The sensor contains securely mounted but precisely aligned optical components Do not operate the sensor if the lens is fogged or dirty Do not scratch the lenses on the front face of the sensor Keep the lenses clean with expert optical procedures The lenses are glass with an anti reflection coating Avoid the use of organic cleaning solvents Do not touch the lenses with bare fingers The oils are very difficult to remove Operate only with DC supply voltages up to 36 volts 1 2 Definition of Terms Sensor The complete AR500 measurement device Target The object of measurement The relative distance from the sensor to the target is measured by the sensor Laser Laser beam This bright light is emitted from the sensor reflected from the target and collected by the camera lens For the AR500 it is visible Red or Blue radiation or in some specially ordered configurations infrared lt Range gt The maximum relative distance measurable by the sensor 1 3 Quick Start Instructions This will get the sens
24. e application 1 1 General Overview The AR5OO is a triangulation sensor that measures distance using a laser beam a camera and a microprocessor A variety of models are specified each to allow a different measurement range communications interface laser power and environmental options Models vary in range from 5 to 1000 mm Interface options include RS232 RS485 4 20mA 0 10V and Ethernet Sensors can be optionally ordered with an internal heater or air cooling jacket The accuracy is generally specified with a linearity of about 0 15 of the range A variety of configuration settings can be selected via the serial port or Ethernet interface option The complete list of settings is found in the AR700 Command Set chapter and each setting is discussed in detail in a specific operation chapter The Sample Rate can be specified and the sensor has capability above 9400 samples per second Several other configurable parameters enhance the AR500 User s Manual LLLOOxxxx Rev 1 0 1 Acuity performance Sampling may be turned on and off It can even be triggered using an input signal wire or a serial command After making changes to the configuration it may be viewed saved in non volatile memory and restored At power on the sensor uses the most recently saved configuration settings Do not attempt to disassemble the sensor or loosen any screws Improper disassembly will destroy the optical alignment of the sensor and ne
25. e 33 10 11 Get Measurement Results from Stream RF60X_GetStreamMeasure ee 33 10 12 Transmission of user data RF60x_CustoMCmd eee ee eeeeeee eter eee eeetteeeeeeeeeeeeeeee 34 10 13 Functions for Operation of sensors connected to FTDI based UG 34 10 14 Functions for operation of sensors with C Ethernet interface sssssrrrrrrrrrrenee 34 10141 Port open for receiving data through Eihemmet 35 10 14 2 Close port for receiving data through Ethernet cccceeeeeeeceteeeeeeeeeeeeeeeeaeees 35 10 14 3 Getting 168 measurement results from the stream 35 11 Serial Command Quick Reference svccsssaieicesrecsiceassiaderunecenseateiaaecnviereianenaiaaeeiiieremeeade 38 12 Examples of communication sesslons eee eeeeeneeeeeeeeeeeeeecaaaeeeeeeeeeeeeeeeaaees 41 12 1 Request Device iOSntiliGation citisascssincecosuiweastesicarecemedvasiacentiserareeeiasebennn nade 41 12 2 Request Reading of parameter AEN 42 12 3 Request Inquiring of result sat23 thet ietataste porate sede eae esis Oa ase 42 12 4 Request writing sampling regime trigger sampling ccc eee eeteteeeeeeeeeeeteees 42 12 5 Request writing the divider ration s 4 iccccccciceessessseessneteenessaesetessndeneseedassecntneensneneees 42 13 PCCOSSOMNSS eebe GEES 44 13 1 Protective Enclosure gege eet esetgstiesen ebe dereskkee taateneteepienestaeincunersteddadsaiaassoebieeesnieieiee 44 De ENEE ee e Eeer 45 AR500 User s Manual e LLLOOxxx
26. e ene ee ee ee 24 9 4 Display and Archiving of Debat e tegsuggteiesetegs tsbe eege pd siaie tiie gees 25 AR500 User s Manual LLLOOxxxx Rev 1 0 iv Acuity 9 5 Setting and Saving Sensor Parameters sssssseeseeessserererrrrrtsstrrtrrrnntrsserrnrrnnnnrenet 26 9 5 1 Setting En 26 9 5 2 Saving Parameters eee one eee eee nen ee ee 27 9 5 3 Saving and Writing a Group of Parameters 27 9 6 len 27 10 Software Development Kit SDK Descriptions ccc cccceeeeeeeteee teeter et eeeetneeeeeeeeeeteeee 28 10 1 Connection to COM port RF60x_OpenPort eee cece etter eee eeeeeeeeeeeeeeeeteeee 28 10 2 Disconnect from COM port RF60x_ClosePort 0 eee eceeeeeee eter eet eeeeneeeeeeeeeeeteeee 28 10 3 Device identification PEGOx Hello md 29 10 4 Reading of parameters RF60x_ReadParameter sssssssssssssssessesesessseeeeeees 30 10 5 Saving current parameters in FLASH memory RF60x_FlushToFlash 68 31 10 6 Restore default parameters from FLASH memory RF60x_RestoreFromFlash 31 10 7 Latching of the current result RF60x_LockResult eee ceeeeeeee eee eeeeeeteeeeeeeeeeeeeeee 31 10 8 Get Measurement Result RF60x_Measure cece e ee eeceeeee teeter ee eeeeeneeeeeeeeeeeteees 32 10 9 Start Measurement Stream RF60X_StartStream ceeeeeee cece ee eeeeeeeeeeeeeeeeeteeee 32 10 10 Stop Measurement stream RF60xX_StopStream cece ee ceeeeeeeeeee eee eeeeeteeeeeeeeeeeteee
27. e that the zero point is NOT the glass window but instead the standoff distance minus one half the sensor s span Most brackets will have adjustment capabilities so the AR500 s laser can be aimed in X Y and Z coordinates 2 4 Laser Safety Installers of laser sensors should follow precautions set forth by ANSI Z136 1 Standard for the Safe Use of Lasers or by their local safety oversight organization The AR500 is a class 1 eye safe laser product as stipulated in IEC 60825 1 DIN EN 60825 1 2001 11 and a class 2 3R or 3B product under FDA 21CFR Moder M dE SE S N Manufactured at Schmitt Industries Inc 2765 NW Nicolai St Portland OR USA Complies with 21 CFR 1040 10 w Laser Notice 50 Red Lasers Blue Lasers Infrared Laser Figure 1 AR500 laser safety labels all available diodes AR500 User s Manual LLLOOxxxx Rev 1 0 5 Acuity 2 5 Sensor Maintenance The AR500 sensor and module require little maintenance from the user The sensor lens should be kept clean of dust buildup as a part of regular preventative maintenance Use compressed air to blow dirt off the windows or use delicate tissue wipes Do not use any organic cleaning solvents on the sensor If your sensor does not function according to specifications contact Schmitt Industries Inc Do not attempt to loosen any screws or open the sensor housing 2 6 Sensor Service The AR500 sensor is not user serviceable Re
28. erial Comm Green vellow 9 4 4 Analog Output Blue Grey AEN 10 4 41 Current LOOP E 11 4 4 2 Voltage et E 11 4 5 Logic Outputs ag ae gs E 12 5 Serial Interface Operation ENNEN 13 5 1 Communications Protocol and Syntax c scciss cssiseseseeseesesesseetenenvessseetesdeeserseeessecentes 13 SiT et 13 5 1 2 e 13 e WE EE 14 514 Data Stream EE 15 6 Analog Output Operation EE 16 6 1 Analog Output ON LN LE 16 6 2 Analog Output Mode 02h bit R cxasesecdcncedverseciiverctacncieeativaiselsanaptetacxennGedvowecniueneeias 16 6 3 Analog Output Working Range OCh ODh OE OPER 16 Logic Interface s Operation 02h bits M1 and MO 18 Perf tman e ee le isere ieirik aaa renak E E En AAKRES EA ENERE EE EEA REEE 19 8 1 Baud Rate O04 acendeceereceamei setae nn odin oan ceils 19 8 2 las r ON OFF GN acs hae ss ae ate ete eee ee ee EE eiS 19 8 3 Network e E E 19 8 4 Zero P int 17M Meee eer ree ee eer mene eee eee ee 19 8 5 Sampling Mode 02 Dit S irarria KE E E EEA ERENER 20 8 6 Sampling Period 08h Oh 20 CR fa Weld 21 8 7 Integration Time OAN OD EEN 21 8 8 Results Lock nl EE 21 8 9 Results Averaging Mode 02h bit MI 22 8 9 1 Averaging Configuration 06h Ageggebseuetedgeg uE egeg SERGE e egEaSek ee 22 9 Demo and Configuration Software ssiseiiccisscceisiscetsratasielsianehiciawnatne minnie 23 9 1 Neen WE 23 9 2 Connecting to the sensor RS232 RS485 NNN 23 9 3 Sensor Operation eee entre eee eee teen ee eee e
29. ess is used to form requests or inquiries all over the network Each slave receives inquiries containing its unique address as well as O address which is broadcast oriented and can be used for formation of generic commands for example for simultaneous latching of values of all sensors and for working with only one sensor with both RS232 port and RS485 port Parameter 03h can be assigned values from 1 127 The factory default is 1 8 4 Zero Point 17h 18h This parameter allows the user to set a zero point within the sensor s measurement span The factory default value for the zero point is the beginning of the measurement span Note that users can also set the zero point through hardware controls See Zero Point in section 7 Parameter 17h is the LOW byte of the Zero Point and has values 0 4000h with default value 0 AR500 User s Manual LLLOOxxxx Rev 1 0 19 Acuity Parameter 18h is the HIGH byte of the Zero Point and has values 0 4000h with default value 0 8 5 Sampling Mode 02h bit S The AR500 has two sampling modes Time or Trigger Sampling The factory default setting is Time Sampling The sensor must be in Data Stream Mode Time Sampling The value of bit S is 0 This is the factory default configuration When selected the sensor automatically transmits the measurement result via serial interface in accordance with selected sampling period Trigger Sampling The value of bit S is 1 When selected the
30. essions with such structures 1 request message answer square brackets include optional elements 2 request data stream request 5 1 1 Request Request INC is a two byte message which fully controls the communication session The request message is the only one of all messages in a session Where the most significant bit is set at 0 therefore it serves to synchronize the beginning of the session In addition it contains the device address ADR code of request COD and optional message MSG Request format Byte 0 Byte 1 Bytes 2 N INCO0 7 0 INC1 7 0 MSG 0 ADR 6 0 1 0 0 0 COD 3 0 5 1 2 Message Message is data burst that can be transmitted by a master in the course of the session All messages with a message burst contain 1 in the most significant digit Data in a message are transferred in nibbles aka tetrads When a byte is transmitted its lower tetrad goes first and then follows the AR500 User s Manual LLLOOxxxx Rev 1 0 13 Acuity higher tetrad When multi byte values are transferred the transmission begins with the lower byte The following is the format of two message data bursts for transmission of byte DAT 7 0 Byte 0 Byte 1 1 0 0 0 DAT 3 0 a CH CH CH DAT 7 4 5 1 3
31. everal sensors After loading the parameters follow the instructions above for saving the parameters to non volatile memory 9 6 Factory Reset To restore the sensor s factory default parameters use File gt Restore defaults This recalls the factory settings to the interface It will also be necessary to save the parameters as described above AR500 User s Manual LLLOOxxxx Rev 1 0 27 Acuity 10 Software Development Kit SDK Descriptions The AR500 Laser sensor is supplied together with an SDK consisting of e dynamic library RF60x dll e file for static linking of DLL to project RF60x lib e Definition file RF60x h The SDK allows user to develop his her own software applications without going into details of the sensor communications protocol 10 1 Connection to COM port RF60x_OpenPort The function RF60x_OpenPort opens COM port with specified symbolic name fills in the pointer to the device descriptor and returns the operation result BOOL RF60x_OpenPort LPCSTR pPort_Name DWORD dwspeed HANDLE pHand e DE Parameters IpPort_Name name of COM port e g COM1 full syntax for COM port name specification see in MSDN function CreateFile dwSpeed operation speed through COM port The parameter is identical to field BaudRate in DCB structure described in MSDN IpHandle pointer to the device descriptor Returned value If COM port fails to be opened and adjusted the function will return FALSE o
32. f load resistor should not be higher than 500 Ohms To reduce noise it is recommended to install RC resistor capacitor filter before the measuring instrument The filter capacitor value is indicated for maximum sampling frequency of the sensor 9 4 kHz and this value increases in proportion to the frequency reduction 10 kOhm Voltmeter Figure 3 Wiring Diagram for Current Loop output 4 4 2 Voltage Output The voltage output connection scheme is shown in the To reduce noise it is recommended to install an RC resistor capacitor filter before the measuring instrument The filter capacitor value is indicated for maximum sampling frequency of the sensor 9 4 kHz and this value increases in proportion to the frequency reduction 10 kOhm Voltmeter Figure 4 Wiring Diagram for Voltage output AR500 User s Manual LLLOOxxxx Rev 1 0 11 Acuity 4 5 Logic Outputs Pink Grey The Pink wire is a multi purpose logic output interface that can operate in four distinct modes The functionality can be configured according to the instructions in section 7 Functions include distance alarms multi sensor synchronization setting of Zero Point via hardware control and control of the laser ON OFF state See Alarm Output Operation 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 outpu
33. fer all service questions to Schmitt Industries Inc Do not attempt to loosen any screws or open the sensor housing 2 7 Sensor Specifications Go to http www acuitylaser com pdf ar500 data sheet pdf AR500 User s Manual LLLOOxxxx Rev 1 0 6 Acuity 3 Installation and Checkout 3 1 Mounting Mount the sensor in such a way that the case not twisted or warped Do not clamp or squeeze the sensor case excessively If the case is distorted the sensitivity and accuracy of the sensor may be affected 3 2 Cabling for sensor unit The AR500 sensor has a multipurpose cable with 8 conductors included Special order Ethernet sensors will include a second cable with 4 conductors The standard cable is LiYCY TP a flexible overall shielded PVC twisted pair data transmission cable for use in flexible and stationary applications under low mechanical stress with free movement without any tensile stress loads or forced movements in dry damp and wet conditions The twisted pair construction reduces interference crosstalk within the cable while the tinned copper braid shield offers optimum protection from electrical and electromagnetic interference Not suggested for outdoor use The standard cable length is 2 m in length and longer cable lengths are available Connection and termination according to the instructions is essential for correct sensor operation Read the wire descriptions in Section 4 1 for connection information Connect
34. fer rate via CAN 10 200 by default 25 specifies data transmission interface rate in increments of 5 000 baud for example the value of 50 gives the rate of 50 5 000 250 000 baud 22h Low byte of standard identifier 0 7FFh by default 7FFh specifies standard CAN 23h High byte of standard identifier identifier 24h Oth byte of extended identifier 0 1FFFFFFFh by default 1 FFFFFFFh specifies 25h 17 byte of standard identifier extended CAN identifier CAN AR500 User s Manual LLLOOxxxx Rev 1 0 39 Acuity 26h 2 byte of extended identifier 27h 3 byte of standard identifier 28h CAN interface identifier 1 extended identifier 0 standard identifier 29h CAN interface ON OFF 1 CAN interface ON 0 CAN interface OFF 6Ch Oth byte of Destination IP by default FFFFFFFFh 255 255 255 255 Address 6Dh 1 byte of Destination IP Address 6Eh 2 byte of Destination IP Address 6Fh 3 byte of Destination IP Address 70h Oth byte of Gateway IP by default COA80001h 192 168 0 1 Address 71h 1 byte of Gateway IP Address 72h 2 byte of Gateway IP Address 73h 3 byte of Gateway IP Address 74h Oth byte of Subnet Mask by default FFFFFFOOh 255 255 255 0 75h 1 byte of Subnet Mask 76h 2 byte of Subnet Mask 77h 3 byte of Subnet Mask 78h Oth byte of Source IP Address by default COA80003h 192 168 0 3 79h
35. full range of the sensor S in mm therefore the result in millimeters is obtained by the following formula X D S 4000h mm The function RF603_Ethernet_GetStreamMeasure BOOL RF603_Ethernet_GetStreamMeasure HANDLE hHand le LPRF60XUDPPACKET lorf60xUDPPacket H Parameters hHandle device descriptor obtained from function RF60x_Ethernet_OpenPort Iprf60xUDPPacket pointer to the structure RF60xUDPPACKET which contains result D Returned value AR500 User s Manual LLLOOxxxx Rev 1 0 36 Acuity If there are no data in the buffer the function returns FALSE otherwise the function returns TRUE and fills the structure Iprf60xUDPPacket AR500 User s Manual LLLOOxxxx Rev 1 0 37 Acuity 11 Serial Command Quick Reference Request Description Message Answer code size in bytes size in bytes th Device identification device type 1 firmware release 1 serial number 2 base distance 2 range 2 2h Reading of parameter code of parameter 1 value of parameter 1 3h Writing of parameter code of parameter 1 value of parameter 1 4h Storing current parameters to constant AAh 1 constant AAh 1 FLASH memory 4h Recovery of parameter constant 69h 1 constant 69h 1 default values in FLASH memory 5h Latching of current result 6h Inquiring of result result 2 7h Inquiring of a stream of s
36. identify the transmission bytes as part of a message Device type DAT 7 0 Byte 0 Byte 1 1 0 0 1 0 0 0 1 1 0 0 1 0 1 1 0 91h 96h Firmware release DAT 7 0 Byte 0 Byte 1 1 0 0 1 1 0 0 0 1 0 0 1 0 1 0 1 98h 95h Serial Number DAT 7 0 Byte 0 Byte 1 1 0 0 1 0 0 1 0 1 0 0 1 1 0 0 1 92h 99h DAT 7 0 Byte 0 Byte 1 1 0 0 1 0 0 0 1 1 0 0 1 0 0 0 0 91h 90h AR500 User s Manual LLLOOxxxx Rev 1 0 41 Acuity Base distance DAT 7 0 Byte 0 Byte 1 1 0 0 1 0 0 0 0 1 0 0 1 0 1 0 1 90h 95h DAT 7 0 Byte 0 Byte 1 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 90h 90h Measurement range DAT 7 0 Byte 0 Byte 1 1 0 0 1 0 0 1 0 1 0 0 1 0 0 1 1 92h 93h DAT 7 0 Byte 0 Byte 1 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 90h 90h Note as burst number 1 then CNT 1 12 2 Request Reading of parameter Condition device address 1 request code 02h code of parameter O5h value of parameter 04h packet number 2 Request Master 01h 82h Message Master
37. in the FLASH memory the function returns FALSE otherwise if record confirm is obtained from the sensor the function returns TRUE 10 6 Restore default parameters from FLASH memory RF60x_RestoreFromFlash The function RF60x_RestoreFromFlash restores all parameter values in the FLASH by default BOOL RF60x_RestoreFromF lash HANDLE ACOM BYTE bAddress DE Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile bAddress address of the device Returned value If the device does not respond to request to restore all parameters in the FLASH memory the function returns FALSE otherwise if restore confirm is obtained from the sensor the function returns TRUE 10 7 Latching of the current result RF60x_LockResult The function RF60x_LockResult latches current measurement result till next calling of the function RF60x_LockResult BOOL RF60x_LockResult HANDLE ACOM BYTE bAddress JE AR500 User s Manual LLLOOxxxx Rev 1 0 31 Acuity Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile bAddress address of the device Returned value If the device does not respond to result latching request the function returns FALSE otherwise the function returns TRUE 10 8 Get Measurement Result RF60x_Measure The function RF60x_Measure reads current measurement value from the RF603 sensor The result value D transmitted by the sens
38. ions a You are granted a non exclusive perpetual license to use the Software solely on and in conjunction with the product You agree that the Software title remains with Schmitt Industries Inc at all times b You and your employees and agents agree to protect the confidentiality of the Software You may not distribute disclose or otherwise make the Software available to any third party except for a transferee who agrees to be bound by these license terms and conditions In the event of termination or expiration of this license for any reason whatsoever the obligation of confidentiality shall survive c You may not disassemble decode translate copy reproduce or modify the Software except only that a copy may be made for archival or back up purposes as necessary for use with the product d You agree to maintain all proprietary notices and marks on the Software e You may transfer this license if also transferring the product provided the transferee agrees to comply with all terms and conditions of this license Upon such transfer your license will terminate and you agree to destroy all copies of the Software in your possession Procedures for Obtaining Warranty Service 1 Contact your Acuity distributor or call Schmitt Industries Inc to obtain a return merchandise authorization RMA number within the applicable warranty period Schmitt Industries will not accept any returned product without an RMA number 2 Ship the prod
39. is RF60x_Measure while for FTDI USB devices it is RF60x_FTDI_Measure 10 14 Functions for operation of sensors with C Ethernet interface These functions lets receive data from the sensor in the stream regime UDP protocol is used and get results synchronized by time or trigger AR500 User s Manual LLLOOxxxx Rev 1 0 34 Acuity 10 14 1 Port open for receiving data through Ethernet The function RF60x_Ethernet_OpenPort opens net port fills in the pointer to the device descriptor and returns the operation result BOOL RF60x_Ethernet_OpenPort HANDLE pHand e Parameters IpHandle pointer to the device descriptor Returned value If net port fails to be opened and or adjusted the function will return FALSE otherwise if net port was opened and adjusted successfully the function will return TRUE More detailed information about returned errors can be obtained using API function WSAGetLastError described in MSDN 10 14 2 Close port for receiving data through Ethernet The function RF60x_Ethernet_ClosePort closes net port and returns the result of operation BOOL RF60x_Ethernet_ClosePort HANDLE hHandle DE Parameters hHandle descriptor of the device obtained from function RF60x_Ethernet_OpenPort Returned value If net port fails to be closed the function will return FALSE otherwise if net port was closed successfully the function will return TRUE 10 14 3 Getting 168 measurement results from the
40. n a configuration that prevents serial communication such as being set at the wrong baud rate or is 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 3 2 Sensor Output Check If the sensor output value is in error check that the sensor and target are stationary and stable and that the laser beam is hitting the target The sensor may need to warm up for 5 10 minutes before reaching full accuracy Leave it on for a few minutes and re check the sensor accuracy AR500 User s Manual LLLOOxxxx Rev 1 0 8 Acuity 4 Signal and Power Interface 4 1 Sensor Cable Wire Colors and Functions The AR500 sensor includes a multipurpose cable sensor cable with solder tail wires Connection and termination according to the instructions is essential for correct sensor operation Read the wire descriptions for connection information Fie OS fa 5 3 J J d Me ki Ce Ss fo 8 Ce j Pi 6 S 2 L Me YS eege i Ki y 7 1 J N Me a J Se 8 R 4 e Gg Sa Figure 2 AR500 cable with 8 conductors Binder 712 09 0427 80 08 The tables below shows the wiring on systems ordered without power supplies Wire Pin Function in All Modes White 1 Trigger Input Brown 2 Ground Power Green 3 TxD Data Yellow 4 RxD Data Gray 5 Ground Signal
41. ng is with the use of an Acuity Connectivity Kit This is a sealed connection box which contains terminal blocks for each wire lead It also has an AC power supply and a 2m RS232 serial cable for connection to a PC Without the Acuity connectivity kit the user must connect a DB9 plug to the cable using the directions below RS232 A 9 pin serial D sub serial connector can be attached to the serial output wires to connect the AR500 directly to an IBM PC compatible 9 pin serial port Wire Color Function Binder 712 pin DB9 pin Gray Ground 5 5 Green TxD Data 3 2 Yellow RxD Data 4 3 RS485 If your PLC or control system does not support RS485 communications an RS485 to RS232 adapter must be used to connect the AR500 to an IBM PC compatible computer See the wire functionality chart in section 4 for details For testing use the included Demo and Configuration software Refer to section 9 3 3 Power On Connect a 15 volt 9 36 volts power supply to the power and ground lines of the sensor cable See Signal and Power Interface section 4 for wire connections Only the power and ground need be connected for operation in addition to the serial interface When power is applied the laser beam will be emitted from the round sensor window Ce ol Serial Communications Check If no information is received over the serial port check the power supply and serial wire connections The sensor may be i
42. nt range of RF60X sensor tpe WORD The function RF60x_HelloCmd BOOL RF60x_Hellocmd HANDLE hcom BYTE bAddress LPRF60xXHELLOANSWER porfHe oAnswer Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile bAddress device address IprfHelloAnswer pointer to the RF6OxHELLOANSWER structure Returned value If the device does not respond to identification request the function returns FALSE otherwise the function returns TRUE and fills variable RF60xHELLOANSWER structure AR500 User s Manual LLLOOxxxx Rev 1 0 29 Acuity 10 4 Reading of parameters RF60x_ReadParameter The function RF60x_ReadParameter reads internal parameters of the RF603 sensor and returns the current value to the parameters address BOOL RF60x_ReadParameter HANDLE hcom BYTE bAddress WORD wParameter DWORD Ipdwva lue E Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile bAddress wParameter address of the device number of parameter see Table below Parameter Description RF60x_PARAMETER_POWER_STATE Power status of sensor RF60x_PARAMETER_ANALOG_OUT Connection of analog output RF60x_PARAMETER_SAMPLE_AND_SYNC Control of sampling and synchronization RF60x_PARAMETER_NETWORK_ADDRESS Network address RF60x_PARAMETER_BAUDRATE Data transmission rate through serial port RF60x_PARAMETER_AVERA
43. nts of 5 ms AR500 User s Manual LLLOOxxxx Rev 1 0 21 Acuity 8 9 Results Averaging Mode 02h bit M This parameter defines one of the two methods of averaging of measurement results implemented directly in the sensor Averaging over a Number of Results or Time Averaging The factory default setting is for Averaging over a Number of Results Parameter 02h bit M can have two values O or 1 representing one of two modes Averaging over a Number of Results Bit M O factory default When selected a sliding average is calculated and transmitted to the Sensor e outputs Time averaging Bit M 1 When selected the measurement results are averaged over a time interval 8 9 1 Averaging Configuration 06h Depending on the selected averaging mode Number or Time this parameter controls either the number of results to be averaged or the time for averaging The factory default value is 1 result no averaging Averaging can reduce noise or occasional 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 case of Time Averaging data in the output buffer are updated at a rate equal to the averaging period O6h is either the number of samples or time in seconds for averaging Values for this parameter range from 1 to 127 The default value is 1 AR500 User s Manual LLLOOxxxx Re
44. ny new request sent to any address the data streaming process is stopped Also there is a special request to stop data streaming AR500 User s Manual LLLOOxxxx Rev 1 0 15 Acuity 6 Analog Output Operation AR500 sensors can be ordered with either 4 20mA or 0 10 V analog outputs The analog outputs use the same two wires Please refer to Section 4 4 for connection details The analog output is updated with each sample measured The analog output will deliver a current which increases linearly from 4 mA or 0 volts at the range beginning point to 20 mA 10 volts at the range end point 6 1 Analog Output ON Oth The analog output can be toggled ON OFF The factory default setting is ON value 1 The values for code parameter O1h are 1 0 for ON OFF If a sensor is not configured with an analog interface the value will always be set to 0 despite any attempts to change it 6 2 Analog Output Mode 02h bit R The analog output can be operated in two modes Window Mode or Full Mode The factory default mode is Window Mode Where the window size is set to the full span of the sensor its measurement range Window mode The value of bit R is 0 This is the default mode The entire range of the analog output is scaled within the selected window Outside the window the analog output is 0 Full mode The value of bit R is 1 The entire range of the analog output is scaled within the selected
45. on time limit If the radiation intensity received by the sensor is so small that no reasonable result is obtained within the time of integration equal to the limiting value the sensor transmits a zero value OAh Low byte for maximum integration time OBh High byte for maximum integration time Default value is 3200 us Value ranges 2 to 65535 This value specifies the limiting integration time for the CMOS array in increments of Imks The measurement frequency depends on the integration time of the receiving array Maximum frequency 9 4 kHz is achieved for the integration time 106 us minimum possible integration time is 0 1 us As the integration time exceeds 106 us the resulting update time increases proportionally Increasing this parameter may improve the sensor s ability to measure to low reflecting targets at the cost of decreased speed and possible increased effects of ambient light on measurement accuracy Decreasing the parameter s value increases measurement frequency but may decrease measurement accuracy 8 8 Results Lock 10h 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 the sensor transfers the last valid result instead of a zero value The factory default value is 5 ms 10h has value ranges from O to 255 factory default value 1 It specifies the time interval in increme
46. onfiguration parameters RS232 R5485 CAN Ethemet Analog RS232 RS485 CAN Ethemet Analog PC settings i H Si COM port fone Output on off On v Baud rate b sec 460800 v Network address 1 Window control Full v Sensor settings Baud rate b sec 480800 SL Window beginning Z 0 Network adress 1 CJ Modes of data transfer Request v Window end 4 100 RS232 RS485 Settings Tab Analog Settings Tab AR500 User s Manual s e LLLOOxxxx Rev 1 0 26 Acuity 9 5 2 Saving Parameters After setting one or more parameters as required users must write them into the sensor memory Write parameter by clicking File gt Write parameters or by clicking the C button Be sure to perform testing of the sensor operation with the new parameters Once satisfied it is necessary to store the new parameters in nonvolatile memory by clicking File gt Write to flash This procedure saves the parameters so that upon powering up in the future will cause the sensor to default to your new configuration and not 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 gt Write parameters set and saving the file in the window offered To open a group of parameters from a file select File gt Sensor parameters sets and select the file required This function is convenient for writing identical parameters to s
47. or is normalized in such a way as the value of 4000h 16384 corresponds to full range of the sensor S B Mm the result in mm is obtained by the following formula X D S 4000h mm BOOL RF60x_Measure HANDLE ACOM BYTE bAddress USHORT IpusValue DE Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile bAddress address of the device IpusValue pointer to USHORT WORD type variable containing the result D Returned value If the device does not respond to result request the function returns FALSE otherwise if the restore confirm is obtained from the sensor the function returns TRUE 10 9 Start Measurement Stream RF60X_StartStream The function RF60x_StartStream switches RF603 sensor to the mode Where continuous transmission of measurement results takes place BOOL RF60x_StartStream HANDLE ACOM BYTE bAddress DE Parameters hCOM descriptor of the device obtained from function RF60x_OpenPort or CreateFile bAddress address of the device Returned value AR500 User s Manual LLLOOxxxx Rev 1 0 32 Acuity If the device fails to be switched to continuous measurement transmission mode the function returns FALSE otherwise the function returns TRUE 10 10 Stop Measurement stream RF60x_StopStream The function RF60x_StopStream switches the sensor from continuous measurement transmission mode to the request response mode BOOL RF60x_StartStream HA
48. or running in its factory default configuration Only one output type Serial or Analog is needed to indicate sensor operation e Mounting Quick suggestion Lay the sensor on the floor or a table It may need to be held in place with a clamp or a weight Orient the laser so that the laser is not obstructed Use a piece of paper such as a business card to AR500 User s Manual LLLOOxxxx Rev 1 0 2 Acuity insert into the beam to use as a measurement target The laser should be aimed at a target such that the distance from the reference point to the target can be measured Mount the sensor in such a way that the case is not twisted or warped The AR500 can be screwed on using two fastening screws 3 6 06x7 The fastening screws are not included in the scope of delivery Attach the cable s 8 pin connector to the plug s on the rear of the sensor Connect the red Supply and brown Ground wires of the sensor cable to a 9 to 36 volt DC power supply or use the power supply if the sensor came with one 1 3 2 Serial Data Wires The serial connection is required to set up a unit for operation If not using the Acuity Connectivity kit which includes a serial cable the customer must make their own D sub 9 serial connector 1 3 2 1 RS232 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
49. rtion to the data transmission rate After the stream is stopped by using the Stop Stream button the graph will display all received data To manipulate the chart image right mouse click on the chart to reveal the corresponding menu AR500 User s Manual LLLOOxxxx Rev 1 0 25 Acuity Measurement value 60 50 Copy Save Image As 40 Page Setup Print 30 LL Show Point Values 20 WI Un Zoom Undo All Zoom Pan Set Scale to Default 10 EE 100 Measurement counter 150 200 Additionally one movement or rot can manipulate the chart image press the mouse wheel for ating the mouse wheel for zooming capabilities To save measurement data to a file press the Export button The program will offer saving of data in two possible formats internal or Excel To scan or look a the required file t previously saved data press the Import button and select 9 5 Setting and Saving Sensor Parameters CS Setting Parameters Configuring is only accomplished through RS232 or RS485 interfaces Setting of parameters for all optional interfaces can be done using the respective Setting of a tabs on the Interfaces configuration parameters panel Il configuration parameters of the sensor is possible with the help of the respective panel Sensor configuration parameters File About About Interfaces configuration parameters Interfaces c
50. sor Yellow 3 Receive data to sensor Gray 3 Signal ground reference N C 1 4 6 DCD DTE DCE These three signals can be tied together to satisfy some PC signal requirements for hardware handshake N C 7 8 CTS RTS These 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 devices can share one line because RS485 is multi drop Unless your computer or controller or PLC supports RS485 communications it may be necessary to use a commercial RS485 to RS232 converter 4 4 Analog Output Blue Grey Your sensor is configured with either 4 20mA current loop or 0 10V voltage analog output The Grey wire is the return signal for the Analog Output It is connected to ground inside the sensor and should not be connected to ground outside the sensor Inadvertently connecting it to ground may cause a reduction in accuracy of the analog output The analog signal for distance is a 4 20 mA current loop or 0 10V signal In Current Loop Voltage Blue wire delivers a current or voltage for sensor ordered with Voltage output proportional to the measured distance The resolution is characterized by a 16 bit digital to analog converter AR500 User s Manual LLLOOxxxx Rev 1 0 10 Acuity 4 4 1 Current Loop The current loop connection scheme is shown in the Figure 3 The value o
51. t will be high impedance and no current will flow through it When the Alarm Output is active On it can source up to 100mA of current The voltage on the Alarm wire must not exceed 24 VDC Distance Alarms Multi sensor Synchronization Zero point set Laser On Off control 24VDC Q 24VDC Q E ae Tap AR500 Figure 5 Wiring Diagram for Distance Alarms Figure 6 Wiring Diagram for Multi sensor synchronization Figure 7 Wiring Diagram for Zero point control and Laser On Off AR500 User s Manual LLLOOxxxx Rev 1 0 12 Acuity os Serial Interface Operation This section refers to serial communication protocols for both the Sensor and Module versions of the AR500 5 1 Communications Protocol and Syntax Serial port communication is required to configure the AR500 for operation The easiest way to communicate is by using a PC with an RS232 communication port and a terminal emulation program that uses hexadecimal binary format The factory default baud rate is 9600 bits second Through these serial interfaces measurement data can be obtained by two methods By single requests e Automatic streaming data e The serial data transmission byte has the following format 1 start bit 8 data bits 1 odd bit 1 stop bit The communications protocol is formed by communication sessions commands which are only initiated by the master PC controller There are two kinds of s
52. therwise if COM port was opened and adjusted successfully the function will return TRUE More detailed information about returned errors can be obtained using API function GetLastError described in MSDN 10 2 Disconnect from COM port RF60x_ClosePort The function RF60x_ClosePort closes COM port and returns the operation result BOOL RF60x_ClosePort HANDLE hHandle As Parameters hHandle descriptor of the device obtained from function RF60x_OpenPort or CreateFile Returned value If COM port fails to be closed the function will return FALSE otherwise if COM port was closed successfully the function will return TRUE AR500 User s Manual LLLOOxxxx Rev 1 0 28 Acuity 10 3 Device identification RF60x_HelloCmd The function RF60x_HelloCmd makes identification of RF60x according to net address and fills RF6OxHELLOANSWER structure typedef struct _RF60x_HELLO_ANSWER_ BYTE bDeviceType BYTE bcDeviceModificaton WORD wDeviceSerial WORD wDeviceMaxD1 stance WORD wDev1ceRange Where bDeviceType one byte value which shows type of the device for RF60x this value is equal 60 type BYTE bDeviceModificaton one byte value which shows firmware release type BYTE wDeviceSerial two byte value which contains serial number of the device type WORD wDeviceMaxDistance _ two byte value which contains the base distance of RF60X sensor type WORD wDeviceRange two byte value which contains the measureme
53. to remove moisture The maximum allowable ambient operating temperature for the sensor in the protective enclosure is 120 C for air pressure of 6 atmospheres The sensor is factory calibrated directly in the housing with its engineer glass windows If the sensor is removed from the housing it s linearity will be affected adversely 139 3 Figure 8 AR500 Protective Enclosure Schematic AR500 User s Manual LLLOOxxxx Rev 1 0 44 Acuity 13 2 Spray Guard The optional spray guard is designed to minimize the amount of dirt or liquid spray from reaching the optical windows of the sensor Figure 9 Spray Guard AR500 User s Manual LLLOOxxxx Rev 1 0 45 Acuity
54. tream of results 2 results 8h Stop data streaming Parameter Description Values Code 00h Sensor ON 1 laser is ON measurements are taken default state 0 laser is OFF sensor in power save mode Oth Analog output ON 1 0 analog output is ON OFF if a sensor has no analog output this bit will remain in 0 despite all attempts of writing 1 into it 02h Averaging sampling and AL x x M C M1 MO0 R S control byte which determines output control averaging mode bit M CAN interface mode bit C logical output mode bit M1 analog output mode bit R and sampling mode bit S bites x do not use bit M 0 quantity sampling mode by default 1 time sampling mode bit C 0 request mode of CAN interface by default 1 Synchronization mode of CAN interface bit M1 and MO 00 out of the range indication by default 01 mutual synchronization mode AR500 User s Manual LLLOOxxxx Rev 1 0 38 Acuity 10 hardware zero set mode 11 laser turn OFF ON bit R 0 window mode default 1 full range bit S 0 time sampling default 1 trigger sampling 03h Network address 1 127 default 1 04h Rate of data transfer through 1 192 default 4 specifies data transfer rate in serial port increments of 2400 baud e g 4 means the rate of 4x2400 9600baud
55. uct to Schmitt Industries postage prepaid together with your bill of sale or other proof of purchase your name address description of the problem s Print the RMA number you have obtained on the outside of the package This device has been tested for electromagnetic emissions and immunity and has been found to be in compliance with the following directives for class A equipment EN 62500 6 2 2002 EN 55011 2000 This device complies with part 15 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 that may cause undesired operation Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this device in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his or her own expense This manual copyright 2012 Schmitt Industries Inc AR500 User s Manual LLLOOxxxx
56. v 1 0 22 Acuity 9 Demo and Configuration Software The AR500 SP software is intended for making simple serial or Ethernet if ordered connections to the AR500 for demonstration purposes and configuration of the many sensor parameters It is also possible to archive measurement data to a file using this software 9 1 Program Setup Start file AR500setup 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 AR500 sp File About Interfaces configuration patameters oe RS232 RS485 CAN Ethemet Analog PC settings COM port comM3 Baud rate b sec 321600 Network address 1 Measurement value Device identification Statistics Visualization settings S Min Numbes of points in buffer 1000 Mere S Clear profile Set digits after point Peak peak Average g sl Grid Auto scaling Write data file Current sensor Sensor is not detected Sampling frequency kHz In the RS232 RS485 tab select the COM port Where the sensor is connected If using a USB to RS232 adapter look at your computer s hardware profile to determine the assigned COM port Select the Baud rate noting that the factory default is set to 9600 baud Select the sensor network address if necessary Press the Device identification button AR500 User s Manual LLLOOxxxx
57. window Outside the selected window the whole range of the analog output is automatically scaled onto the whole operating range of the sensor 6 3 Analog Output Working Range OCh ODh OEh OFh Resolution of the analog output can be increased by adjusting the window size and location within the measurement span The analog signal will be scaled within this window only If the beginning 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 OCh Low byte for the BEGINNING of the analog output range Default value is 0 Value range 0 4000h This code specifies a point within the sensor s span Where the analog output has a minimum value ODh High byte for the BEGINNING of the analog output range Default value is 0 Value range 0 4000h This code specifies a point within the sensor s span Where the analog output has a minimum value OEh Low byte for the END of the analog output range Default value is 4000h Value range 0 4000h This code specifies a point within the sensor s span Where the analog output has a maximum value AR500 User s Manual LLLOOxxxx Rev 1 0 16 Acuity OFh High byte for the END of the analog output range Default value is 4000h Value range 0 4000h This code specifies a point within the sensor s span Where the analog output has a maximum value AR500 User s Manual LLLOOxxxx
58. x Rev 1 0 v Acuity 1 Introduction This section is a guide to getting started with the AR500 and this manual The AR500 has a number of configurable parameters but many applications can use the sensor in its default factory configuration This manual contains information for a variety of AR500 sensor configurations that can be ordered from Acuity Your specific AR500 model may not have all interfaces and functions described in this manual The recommended order for reading the manual is e General Overview Gives a brief understanding of the sensor operation e Operating Guidelines Provides a few important safety tips e Definition of Terms An aid for proper communication e Quick Start Instructions This should provide the information necessary to connect the sensor and verify its operation either with a serial terminal program at 9600 baud or by connecting the current loop or Alarm Output interface e General Description Gives important laser operation mechanical and mounting information e Installation and Checkout Tailor the application Use the other chapters 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 settings Performance Optimization Sample Rate Background Elimination Exposure control AR500 Command Set explains all commands for customizing th

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