Manual PDF - Paw-Taw
Contents
1. g 112131415 6 7 819 10 1 1121311415168 Ja 1 500000000000000000 DUTPUTS LASER R J PDVER SUPPLY BOX GBLK QUTPUTS TO HOST 16 BIT WORD Filename Sheet Of Paw Taw John Services Inc System Wir dwg 6 12 1 Rothdrum ID 83858 08 687 1478 PAW TAW JDHN SERVICES INC du En dT m THICKNESS GAUGE 03 27 97 ERR TYPICAL SYSTEM WIRING REAR PANEL VIEW 1 0 CONNECTOR FIN d WIRING TABLE CONNECTOR WIRE PIN COLOR 23 GREEN 22 RED 25 BLACK e4 YELLOW 7 BLUE 52 WHITE 3 35 w FRONT VIEW TX TX RX RX GND FUNCTION 12VDC JUMPER 0 DELETE X ENTER ESC HEX SPACE Filename Sheet Of Paw Taw John Services Inc TT5 WIRING DWG 11 12 Paw Taw John Services Inc Rathdrum ID 83858 208 687 1478 Drawn By JT Approved JJ 11 17 94 Dote 06 25 97 Dote TRANSTERM 5 TERMINAL TERMINAL amp CABLE WIRING2. 6000 SCANNER 1 L6000 TOP SCANNER 2 SCAN REFERENCE c wl 16000 BOTTOM SCANNER SYSTEM CONFIGURATIONS Top 1 Top 2 Single Top Scan Dual Top Scan X Differential Scan Dual Top Differential Scan X 6 Pair Shielded Refer to Mounting drawing for specific mounting details Filename gt Paw Taw John Services Inc LINSTALL 1 DWG 1 12 1 Rethdrum ID 83858 09 687 1478 PAW TAW JDHN SERVICES INC WHERE SCANNER 1 6000 INSTALLATIDN mu LAYQUT 1 Sheet Drown By JT Dote 01 27 97 COMPUTER ROOM MACHINE 120 VAC INPUT Mount near point of measurement ee 6 Pair Shielded 6000 SCANNER 1 SCANNER 2 ce LASER CONTROL CABINET o Mounted on neor Mochine SCAN REFERENCE Conduit acr x oc ce to o 16000 BOTTOM SCANNER oe n Coble 1 100 Feet 6 Poir Shielded Use 1 1 2 po 6 Pair Shielded SYSTEM CONFIGURATIONS Refer to Mounting drawing for specific mounting details Top 1 Top 2 bat top Sca x Paw Taw John Services Inc INSTALL 2 Dwc 2 24 MALI NA Scon x Rathdrum ID 83858 e09 687 1478 JPAW TAW JOHN SERVICES INC PEEL as SCANNER L6000 INSTALLATION Date 01 27 97 LAYDUT e L Jy Er COMPUTER ROOM MACHINE 120 VAC INPUT Mount near point o
3. Before applying power insure that all warnings related to the L6000 thickness gauge is observed APPLYING POWER This section applies to both top scanning only and differential systems Hook up the power communication cables to the L6000 and follow the steps below to apply power and prepare the system for operation Verify that AC is present at the circuit breaker Turn on the breaker Turn on the POWER switch and verify that the L1 board power LED comes on If a terminal enable switch 18 used switch to Terminal Enable on the front of the enclosure Turn on the Laser Power switch TransTerm 5 see next section regarding TransTerm 5 setup will beep and display SYSTEM OKAY on the second line After about 4 seconds the laser emission indicator on top of the L6000 will come on 7 Using only one L6000 LED A will be on Using two top and bottom scanning LEDS A and B will be on VIEW OF LEDS 8 TX and RX LEDS will be on dimmed or blinking 9 Usea DVM to measure the following voltages on the L1 terminal strip Paw Taw John Services Inc L1 Technical Manual 02 20 03 5 L1 Voltages Terminals Voltage From To Minimum Maximum 5VDC GND 4 9VDC 5 2VDC 12VDC GND 12 1VDC 13 0VDC 12VDC GND 12 1VDC 15 2VDC 24VDC 24V RET 5VDC 30VDC TYPICAL SYSTEM PROGRAM SETUP TransTerm 5 Terminal Setup The TransTerm 5 is a complete terminal capable of all functions encounte
4. XX ENABLE WINDOWS IF 12 XX ENA DIFF SCAN ENABLE DIFFERENTIAL SCAN MODE 12 XX XXX DIFF SCAN ADJUST XX XXX SERIAL DELAY TIME XX XXX SPARE TRANSTERM 5 TROUBLESHOOTING Listed below are troubles that are sometimes encountered and solutions TROUBLE SOLUTIONS Unit displays erroneous characters Check the terminal for proper configuration Unit displays cursor in upper left Check the connections between the terminal corner of display only and the L1 interface board With power applied the terminal The terminal is I O bounded Try another doesn t display a cursor or characters L1 board or replace the terminal or doesn t beep three times when powering up Unit displays SCANNER BAD Replace scanner To check the terminal for proper configuration depress S2 51 S2 Refer to TransTerm 5 operators manual Chapter 6 page 11 TransTerm 5 set up The shift registers are as follows 5 1 00000000 5 2 00000010 SR3 00001001 5 4 00000000 OPERATING MODE 001 CONTRAST 007 UNIT ADDRESS 001 TOTAL COLUMNS 024 The DB25P cable is wired per table Check connector for broken wires or other damage and repair as necessary Paw Taw John Services Inc L1 Technical Manual 02 20 03 13 STEP 1 STEP 2 STEP 3 STEP 1 STEP 2 TRANSTERM 5 CABLE WIRING Signal Color DTD green DTD red DRD black DRD yellow GRD blue 12VDC white DRO jump to RD DTR jump to CTS L6000 LASER ALIGNMENT
5. Top 1 Top 2 bat top Sca x Paw Taw John Services Inc INSTALL 4 Dwc 4 24 MALI NA Scon x Rathdrum ID 83858 e0 687 1478 PAW TAW JDHN SERVICES INC Drawn By JT SCANNER L6000 INSTALLATION Date 01 27 97 LAYOUT 4 DISPLAY INTERFACE L1 CARD DISPLAY INPUT SIGNAL GRD 1 RX IN 6 RX IN 7 24RET 15 24RET 750MA 5 24VDC DISPLAY 24VDC ADDRESS DIP SWITCH 1 2 3 ON BAUD 9600 REST OFF DIP SWITCH 2 1 8 ON 1ON ADDRESS 01 HEX ee J 24VDC 14 DISPLAY ENABLE Paw Taw John Services Inc D 62658 em PAW TAW JDHN SERVICES INC EXPE 16000 DISPLAY INTERFACE 06 25 98 Date 06 25 98 HOLES 250 dio 4 ou Notes 1 Suggest using 1 4 3 8 steel plote Drill 16000 mounting hole pattern show above Weld plate to beom over honging measurement oreo Bolt 16000 gauge to plate with 4 ea 1 4 x 3 bolts Filename Sheet Of REV 7 12 1 Paw Taw John Services Inc 1 6000 Mtng dwg ew 687 1478 PAW TAW JOHN SERVICES INC Rothdrum ID 83858 SCANNER L6000 INSTALLATION Drown By JT 1079792 MOUNTING HOLE PATERN FRONT VIEW MTNG PLATE Mount L6000 with face square with target plane Suggest mounting 9 25 in above target plane LASER BEAM TA
6. from 44 X 8 3 8 1 2 box tubing This concept drawing is provided as quidence for fabricating a pedestal with mounting arms Actual Paw Taw John Services Inc PEDESTALDWG design may vary to suit location and application Ret D PAW TAW JOHN SERVICES INC DIFFERENTIAL SCANNER SYSTEM ur seme MOUNTING PEDESTAL CONCEPT POWER SCHEMATIC TYPICAL LASER THICKNESS SYSTEM 12 VDC POWER SUPPLY 3 AMP L TO L1 CARD 12 24 VDC POWER SUPPLY 24 AMP 24 RET hc ul NEL PH RAM POWER SUPPLY En Li CARD WHEN DN BOARD DC DC CONVERTER IS NOT USED PAW TAW JOHN SERVICES INC L6000 LASER THICKNESS SYST TYPICAL POWER SCHEMATIC THE TRANSTERM 5 TERMINAL INPUTS FROM HOST SPECIALIZED INPUTS M X 858 8 glilelsieisieizielo 01112 MANHATTAN CABLE P N M 39150 E Vie nig gt E ESO L om 20 ca H LASER HEAD 1 T 0 4 ADDRESS SWITCHES 0 16000 2 0 5 LASER HEAD 3 T 5 ADDRESS SVITCHES R IRI 1 d d S j 1918 19 052021052223052425 26 27152829053031153233
7. n HOST PLC INTERFACE TERMINALS To the left of the above figure are sixteen wire terminals These are outputs that can be used by a PLC Depending on the logic state to the width thickness input on the card determine what binary word is pre sent at this terminal strip Using the L1 code table shown earlier the user can determine the thickness or width of an object in binary code These outputs can be configured for a windowed output By programming the L1 card for a windows output the output section will light only one output at a time These single outputs reflect an item that has passed a user programmed table Paw Taw John Services Inc L1 Technical Manual 02 20 03 16 LASER COMMUNICATION POWER CABLE SCHEMATIC M13146 6 PAIR SHIELDED CABLE CONNECTIONS J1 CONNECTOR WIRE COLOR PAIR L1 CONNECTOR YELLOW 1 2 OF YEL BLK PAIR 12VDC BROWN 1 2 OF BRN BLK PAIR REC BLACK 1 2 OF BRN BLK PAIR REC WHITE 1 2 OF WHT BLK PAIR TX BLACK 1 2 OF WHT BLK PAIR TX BLUE 1 2 OF BLU BLK PAIR 12 VDC RED AND BLK RED BLK PAIR GRD COM Laser Communication Terminal Strip J1 Paw Taw John Services Inc L1 Technical Manual 02 20 03 17 COMPUTER ROOM 120 VAC INPUT MACHINE Mount near point of measurement ee 6 Poir Shielded 6 Pair Shielded 5 5 v n PS os v P v Sc 8 LASER CONTROL CABINET Mounted on or near Machine
8. thickness val ues The windows table accessed by depressing S1 A must have values entered for this function to operate DIFF ERENTIAL SCAN ADJUST This data entry point is used to calibrate thickness readings when two L6000 thickness gauges are reading a thickness in opposing direction for example when using top and bottom scanning SERIAL DELAY TIME This value controls the time when thickness and width serial information is transmitted out of the RJ style jack on the side of the L1 board On some serial display devices a flickering will occur if the data is too fast and overfills the communications buffer This feature corrects that problem The communications baud rate is 9600 WINDOW MODE PARAMETERS Depress S1 and A to enable the WINDOW parameters Enter board thickness and width values here for discrete outputs on the L1 board Again depress the DELETE and SPACE keys to scroll through the screens The ENTER key loads the entered values When this parameter mode is enabled the following screens will be displayed WINDOW SELECT Paw Taw John Services Inc L1 Technical Manual 02 20 03 10 X XXXX WIDTH 1 UPPER maximum width value for board or object XX XXX WIDTH 2 UPPER XX XXX WIDTH 3 UPPER XX XXX WIDTH 4 UPPER XX XXX WIDTH 5 UPPER j XX XXX WIDTH 6 UPPER XX XXX WIDTH 7 UPPER XX XXX THICK 1 UPPER maximum thickness value for board or object XX XXX THICK 2 UPPER XX XXX THICK 3 UPPER XX XXX T
9. 03 14 Once the SCN value equals the object value the laser head is calibrated b If more lasers are used repeat STEPS 1 3 for each head WIDTH ALIGNMENT STEP 1 Measure the distance between lugs and record Verify the encoder pulses per revolution STEP 2 Divide the distance by the amount of encoder pulses per revolution STEP 3 Depress S2 P Using the TRANSTERM 5 TERMINAL DISPLAYS section scroll to ENCODER MULT Enter the value determined STEP 2 SYSTEM OPERATION NAC COMPUTER SYSTEMS The Thickness Width system Model No PTJ L6001A is used with the NAC computer system Thick ness information is sent to the NAC by a transmit pair via the phone jack on the L1 interface board A switch on the front of the enclosure enables either the TransTerm 5 terminal or the transmit pair to the NAC The string format is as follows T xx xxx Carriage Return When an object leaves the measurement zone the thickness data is transmitted to the NAC Although the outputs of the L1 are not used the LEDs should change status as objects flow through the zone If width measuring is used the string format is as follows W xx xxx Carriage Return This output is enabled by inputting a high to input 1 of the L1 board Programs used with NAC systems L1 NAC2C HEX L1 NAC3A HEX and L1 PLC SYSTEMS Paw Taw John Services Inc L1 Technical Manual 02 20 03 15 bd e Li o Ld
10. 2 runs in excess of 100 feet If this option is used however the laser power supply should be moved to the location of the laser head This prevents any power loss due to the length of the cable The communica tions power cable to the gauge can be put in 74 conduit or strapped to the frame mounting The cable is tough but carefully consider the environment before using the latter method You will need bolts and washers for mounting We suggest using 3 8 steel plate with 1 4 holes drilled to the hole pattern shown in Drawing 7 Weld the plate to the framework above the measuring area and the bolt laser gauge to it The distance to the measuring area should be per Drawing 8 It is important for ac curacy that the laser be squared with the measuring area If a hold down shoe is used mount the gauge close to it The shoe or any other mechanical object must be completely clear of the measuring area or window This prevents any erroneous measurements from occurring Mount the laser gauge near and above a solid base where the measurements will be refer enced For example mounting near a lug chain raceway is good This prevents any flexing of the prod uct being measured and provides an accurate reading If this mounting is used it is advisable to use a nickel plated skid bar near the lug chain raceway This allows the product to be carried through the scan area with a stable reference point Lug chains can cause errors in thickness readings due
11. HICK 4 UPPER i XX XXX THICK 5 UPPER L1 CODE TABLES FOR INPUTS OUTPUTS Depress 6 on the Transterm 5 keypad to display inputs and outputs The I O described below is for each discrete input or output When more than one input is on the format is HEX code Below are the codes INPUT CODE TABLE INPUT INPUT TERMINAL VALUE FUNCTION 1 2 3 4 5 6 7 8 9 Paw Taw John Services Inc INPUT OFF largest thickness will be output INPUT ON largest width wil be output DATA HOLD PHOTO CELL 1 INPUT if used TEST INPUT FOR SENDING RAW SCAN DATA TO PC PLC DISABLE SCANNER 1 READING OPERATION DISABLE SCANNER 2 READING OPERATION PHOTO CELL 2 INPUT if used EXTERNAL DISPLAY ENABLE SINGLE INPUT SOURCE ENCODER L1 Technical Manual 02 20 03 11 OUTPUT CODE TABLE 128 256 512 1024 2048 4096 8192 16384 32768 80 01 00 02 00 04 00 08 00 10 00 20 00 40 00 80 00 OUTPUT STRUCTURE FOR WINDOWS MODE UPPER WIDTH 1 UPPER WIDTH 2 UPPER WIDTH 3 UPPER WIDTH 4 UPPER WIDTH 5 UPPER WIDTH 6 UPPER WIDTH 7 ABOVE UPPER WIDTH 7 THICK 1 UPPER THICK 2 UPPER THICK 3 UPPER THICK 4 UPPER THICK 5 UPPER ABOVE THICK 5 UPPER STEP 10 Set up initial parameter data as displayed below Paw Taw John Services Inc L1 Technical Manual 02 20 03 12 XX XXX ENCODER MULT XX XXX LASER 1 OFFSET XX XXX LASER 2 OFFSET XX ENABLE PC1 PHOTO CELL 1 12 XX ENABLE PC2 PHOTO CELL 2 12
12. Paw Taw John Services Inc 18125 N Ramsey Road Rathdrum ID 83858 Phone 208 687 1478 Fax 208 687 4148 INSTALLATION and OPERATION MANUAL L1 L6000 THICKNESS MEASURING SYSTEM WESTERN MOULDING LIWIN2A HEX C Copyright April 14 1998 Paw Taw John Services Inc All rights reserved L1 L6000 LASER THICKNESS GAUGE SYSTEM TABLE OF CONTENTS INTRODUCTION SYSTEM COMPONENTS L1 Interface Board L6000 Laser Thickness Gauge INSTALLATION INSTRUCTIONS Control Interface Enclosure L6000 Top Scanning Differential Top amp Bottom Scanning APPLYING POWER TYPICAL SYSTEM PROGRAM SETUP TransTerm 5 TT5 Keyboard Set up TransTerm 5 Register Check TransTerm 5 Terminal Displays Typical Parameter Data Entry Parameter Definitions Window Mode Parameters L1 Code Table for Inputs Outputs Output Structure for Windows Mode TransTerm5 Troubleshooting L6000 LASER ALIGNMENT Top Scanning Laser Alignment Differential Scanning Laser Alignment Width Alignment SYSTEM OPERATION NAC Computer Systems PLC Systems Laser Communication Power Cable Schematic PRODUCT WARRANTY SALE AGREEMENT TERMS AND CONDITIONS SERVICE AGREEMENT DRAWINGS OONN O RONN INTRODUCTION The Laser Thickness Gauge System developed by Paw Taw John Services Inc is a thickness and width measuring system that utilizes the L1 interface board and the L6000 laser thickness gauge It offers users the flexibility of interfacing to PLC bas
13. RGET PLANE SIDE VIEV To prevent damage to L6000 mount on for side of beam away from product flow Direction of product flow 5 Filename Sheet Df Paw Taw John Services Inc 1 6000 Posit dwg 8 12 1 Rothdrun ID 83858 208 687 1478 PAW TAW JDHN SERVICES INC RUT 55222 SCANNER 1 6000 INSTALLATION Date 03 27 97 6000 POSITIONING Address Port a LA o o L6000 TOP SCANNER 1 9 7507 062 2 a gt lt gt lt 4 4 14 000 062 2 5 75 READ ZONE PRODUCT FLOW SCAN REFERENCE 4 250 062 rl L6000 Bottom Scanner 2 o I T lt Address Port 3 8 PLATE 2 0 Filename Paw Taw John Services Inc LASER MTNG DWG Rathdrun ID 83858 08 687 1478 PAW TAW JDHN SERVICES INC Differential Thickness Gouge P LASER HEAD MDUNTING Adj SCAN OFFSET to 001 for each Loser Beom Product Flow Position Scanners os required for proper distance from Reference Provide air flow over lower laser to keep clean Mount end stop reference to post os required Reenforce corner joints os required H Product reference height floor Fabricate arm 7 25 below reference Fabricate ond mount base to floor independent of machine Fabricate post and arms
14. TOP SCANNING LASER ALIGNMENT Depress 1 on the TransTerm 5 keypad SCN1 XX XXX SCN2 XX XXX are displayed Put an object or piece of wood with a known value of thickness underneath LASER 1 measuring area a A thickness reading of the object being measured appears on the display b Record the SCN reading for the head Depress S2 P Using the TRANSTERM 5 TERMINAL DISPLAYS section of this manual scroll to LASER 1 OFFSET a Enter an offset value to make the SCN recorded value equal to the object measured This will require going back and forth between displays to setup Once the SCN value equals the object value the laser head is calibrated b If more lasers are used repeat STEPS 1 3 for each head DIFFERENTIAL SCANNING LASER ALIGNMENT Depress 7 on the TransTerm 5 keypad The following is displayed SCANI SCAN2 DIFF ADJ DIFF DIFFERENTIAL ADJUST THICKNESS DIFF XX XXX Put an object or piece of wood with a known value of thickness between LASER 1 and LASER 2 measuring area a A thickness reading appears on the display b Record the THICKNESS DIFF XX XXX reading for the heads STEP 3 Depress S2 P Using the TRANSTERM 5 TERMINAL DISPLAYS section scroll to XX XXX DIFF SCAN ADJUST a Enter an offset value to make the THICKNESS DIFF recorded value equal to the object measured This will require going back and forth between displays to setup Paw Taw John Services Inc L1 Technical Manual 02 20
15. e the data for that register and the blinking cursor at the first new data entry position Each register contains 8 data bits that are either 1 or 0 This data determines how the TT5 will work It is necessary to have the registers filled with the exact sequence of 1 s and 0 5 so the terminal can communicate with the interface board Card The bit seguence for register SR1 should be as follows SR1 0000000 If the data displayed does not match key in 00000000 Then press the ENTER key If the data dis played does match the bit sequence just press the ENTER key to accept the data as displayed After the ENTER key is pressed the display will automatically change to the next register Repeat the procedure for all four registers confirming or changing the data bits to match the following SR2 00000010 SR3 00001001 SR4 00000000 Hit the ENTER key after each register entry When all four registers are correct press the CLEAR key to exit the setup mode NOTE Please refer to TransTerm 5 Troubleshooting page at the end of this section if no data is displayed Also refer to the TransTerm 5 User s Manual included with the system for more detail on terminal setup Paw Taw John Services Inc L1 Technical Manual 02 20 03 7 TransTerm 5 Terminal Displays The TransTerm 5 is a basic data entry terminal used with the L1 board The Transterm 5 incorporates all key functions available on a standard keyboard The sp
16. e following data fields display in the parameter mode XX XXX ENCODER MULT XX XXX LASER 1 OFFSET XX XXX LASER 2 OFFSET XX ENABLE PC1 enable photo cell 1 IF 12 XX ENABLE PC2 enable photo cell 1 IF 12 XX ENABLE WINDOWS 12 XX ENA DIFF SCAN enable differential scan mode 12 XX XXX DIFF SCAN ADJUST XX XXX SERIAL DELAY TIME XX XXX SPARE Depress the CLEAR key to return the display to the RUN mode Paw Taw John Services Inc L1 Technical Manual 02 20 03 9 PARAMETER DEFINITIONS ENCODER MULT IPLER The number to thousandths that the encoder pulse is multiplied by to develop width information LASER 1 OFFSET Used to calibrate Laser 1 reading to a known thickness value For example if a known thickness of 2 is placed in the range of the L6000 this value can be adjusted to reflect that known value LASER 2 OFFSET Used to calibrate Laser 2 reading to a known thickness value For example if a known thickness of 2 is placed in the range of the L6000 this value can be adjusted to reflect that known value ENABLE PC1 This value is 12 if a photo cell is used to determine when a board is in the scanner one window Any other value disables this feature ENABLE PC2 This value is 12 if a photocell is used to determine when a board is in the scanner 2 window Any other value disables this feature ENA BLE DIFF ERENTIAL SCAN This value is 12 if the user wants discrete outputs for different ranges of width and
17. ecific key functions used with the L1 system are as follows L1 COMMANDS S139 P ____ _ 1 View Raw Scan data with Offset Value included 2 jVewAvrageThickmess 3 View Largest Thickness Ou 4 5 jVewLamgestWidi Out 6 0 data for Lt inputs and outputs Different systems will utilize different combinations of these commands Paw Taw John Services Inc L1 Technical Manual 02 20 03 8 KEY DISPLAYS RAW SCAN WITH OFFSET 5 1 00 000 5 2 00 000 SCN Scanner AVERAGE THICKNESS T12XX XXX T2 XX XXX T Thickness LARGEST THICKNESS OUT Key Key 3 1 T2 XX XXX Thickness WIDTH COUNTERS 4 W1 XX XXX W2 XX XXX w Width LARGEST WIDTH OUT 5 W1 XX XXX W2 XX XXX w Width Key FOR MASTER BOARD Status of Inputs Outputs Key 7 D IN XX OUT XX XX Refer to code table for I O E d cU DIFF Differential Adjust THICKNESS DIFF XX XXX RUN PROGRAM NAME DATE SYSTEM OK PROGRAM NAME DATE DISPLAY LASER 1 BAD Depress the CLEAR key to return the display to the RUN mode TYPICAL PARAMETER DATA ENTRY Enter S2 and P to change the system to the parameter mode The delete key and the space key enable the user to scroll up or down through the data Key in the appropriate number and depress the ENTER key to load that value into nonvolatile memory on the L1 Th
18. ed systems PC based systems or stand alone systems and it is eas ily installed in most environments Top scanning of product thickness is more commonly used but bot tom scanning is also possible Although the system can be used in many industrial applications the wood products industry is currently the primary user Measurement of board thickness and width is used with board sorter and trimmer sys tems and in particle board waferwood and veneer plants Another application could be interfacing to quality control information systems COMPONENTS OF THE SYSTEM L1INTERFACE BOARD The 1 interface board is designed to adapt to many thickness and width measurement applications The board uses a high speed microcontroller for data processing Twelve source inputs and sixteen source outputs make up the I O structure of the board Hooking up to host systems is facilitated by screw in ter minal strips Inputs 9 through 12 are dedicated to special functions the optically isolated inputs and out puts are rated for 5vdc to 32vdc and all I O points have LED indicators for determining their status The board is capable of interfacing to Quadrature or single input encoders Encoder interfacing can be accomplished with either source or sink type outputs Frequencies are limited to 1 5k Hertz with single input encoders while Quadrature encoder frequencies are unlimited Two communication ports provide RS 485 or RS 422 serial interfacing The RS 485 port is d
19. edicated to the L6000 laser thickness gauge while the RS 422 port be used for a dummy terminal and or digital display Connections to the RS 422 port are made with a phone jack The RS 485 connections are made to screw in terminal strips Baud rates are determined in the operating program and must be specified by the user Power is applied through the screw in terminal strips The board uses 5VDC and 24VDC and a DC to DC converter can be used to generate SVDC for the circuitry on the board The input range is 18 72 and there are LED indicators to provide the status of the power laser and RS 485 receive transmit lines L6000 LASER THICKNESS GAUGE The Model 1 6000 is a non contact measurement device used in conjunction with the L1 interface board The unit consists of a three piece aluminum case with the following components mounted inside a manu factured laser assembly a video detection device and a circuit board for computerized data collection and laser control A beam emission indicator and power data connector are mounted on top of the unit for easy access and visibility An addressing port is also located on top of the unit under a screw in plug fa cilitating setup Paw Taw John Services Inc L1 Technical Manual 02 20 03 1 INSTALLATION INSTRUCTIONS The instructions in this section cover installation of the following the Control Interface Enclosure which contains the L1 interface card the L6000 Laser Thickness Ga
20. f measurement mm ee 6 Pair Shielded 6 Pair Shielded 6000 6000 SCANNER 1 TOP SCANNER 2 LASER CONTROL CABINET Le o RB Mounted on or near Machine SCAN REFERENCE 6 Poir Shielded Use 1 Conduit 5 2 o c o amp S a a Cable 1 TO 100 Feet ge 5 eel l 16000 SCANNER e e 6 Poir Shielded SYSTEM CONFIGURATIONS Refer to Mounting drawing for specific mounting details Top 1 Top 2 bat top Sca x Paw Taw John Services Inc INSTALL 3 Dwc 3 24 MALI NA Scon x Rathdrum ID 83858 0 687 1478 JPAW TAW JOHN SERVICES INC PEEL as SCANNER 1 6000 INSTALLATION Date 01 27 97 LAYDUT 3 5 2 o c o amp S a a COMPUTER ROOM MACHINE 120 VAC INPUT Mount near point of measurement amm m e Shielded 6 Pair Shielded L 6000 L6000 TOP SCANNER 1 scanner ESTS o RB LASER LASER CONTROL CABINET POWER SUPPLIES amp J BOX Mounted on or near Machine SCAN REFERENCE Cable 1 TO 100 Feet 16000 SCANNER 2 Pair Shielded Per Scanner Use 3 4 to 1 Conduit e e 6 Pair Shielded SYSTEM CONFIGURATIONS Refer to Mounting drawing for specific mounting details
21. red on a normal personal com puter system The unit can be powered using a 12 volt external power unit or power can be applied to the D 25 connector Connect the keypad cable to the TransTerm 5 and plug the opposite end of the cable into the RJ style jack on the face of the L1 interface card Refer to Drawing 11 for wiring information When power is applied the TransTerm 5 should beep three times The top line will display the L1 firm ware program name and date The bottom line will initialize for a moment and then display a card status message PRGMNAME 1 15 95 MASTER SYSTEM OK means the L1 and the scanners are communicating and working If the SYSTEM OK message is not displayed you may see one of the following Scanner 1 Bad means scanner is not working Scanner 2 Bad means scanner 2 not working This would mean the scanner needs to be replaced Trans Term 5 Register Check Paw Taw John Services Inc L1 Technical Manual 02 20 03 6 A TransTerm 5 register check should be conducted next to make sure the TT5 is set to properly commu nicate with the L1 card It is necessary to switch to the setup mode by entering the following keystrokes S2 blue key S1 red key and S2 blue key The top line shows SR indicating the setup register mode and two sequential counts from 1 to 8 to mark data bit positions The bottom line of the display shows which of the four registers SR1 SR4 is activ
22. to wear of the chain raceway and lugs This method counters that problem Other mounting scenarios are possible Contact Paw Taw John Services Inc at 208 687 1478 if there are questions about mounting DIFFERENTIAL TOP amp BOTTOM SCANNING Installation of the system for differential scanning involves the same concerns about the environment as top only scanning However the L6000 thickness gauges are mounted differently and are more critically placed in relationship to the zero reference area Also the bottom scanner needs to have an air exhaust system to keep the lens window and laser port free of debris This prevents foreign material from block ing the laser gauge s sensor and emitter Refer to Drawings 9 and 10 for specifics about the installation of the top and bottom scanners After the gauges are mounted remove the plugs at the top or bottom of the units and verify that the address DIP switches are per the system requirements Use the Address Port View picture and table below Reinstall plugs ADDRESS PORT VIEW Paw Taw John Services Inc L1 Technical Manual 02 20 03 3 LASER ADDRESS PROGRAMMING Switch Position On the L6000 move the laser mechanical aperture cover to uncover the laser beam See the Disc View picture below DISC VIEW Services Inc L1 Technical Manual 02 20 03 4 CAUTION Verify that power laser power and circuit breaker are turned off in the enclosure
23. uge when the application is top scanning only and the L6000 when the application is differential top and bottom scanning At this point you may wish to look at Drawings 1 4 in the Drawings section at the end of this manual These show typical system layouts CONTROL INTERFACE ENCLOSURE The Control Interface Enclosure can be mounted near the location of the L6000 or in a computer room It is important to consider the environment of the mounting area For example is there severe vibration is dirt and foreign matter excessive and or is access difficult The enclosure can withstand these problems to a point but it s essential to use common sense about the location OBSERVE ALL WARNING SIGNS AND INDICATORS OBSERVE ALL LOCAL LOCKOUT PROCEDURES BEFORE INSTALLING EQUIPMENT After the enclosure is mounted follow the next 3 steps STEP 1 Hook up 115VAC cable to the terminal blocks in the enclosure Refer to Drawing 5 for power distribution STEP 2 Hook up I O connections to the L1 board per Drawing 6 STEP 3 Hook up the L6000 laser gauge power communications cable to the L1 board per Drawing 6 L6000 TOP SCANNING CAUTION USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE Gauge Since the communications to the laser head are provided by RS 485 it is possible to have cable Paw Taw John Services Inc L1 Technical Manual 02 20 03
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