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TROUBLESHOOTING

PAGE

wipe without applying any downward pressure. Use a clean lens wipe on each pass. The wipe will

pick up and carry surface contaminants that may scratch optical surfaces or coatings.

Carefully examine the optic under suitable lighting. Certain contaminants or damage such as

pitting cannot be removed. In these cases, the optic must be replaced to prevent catastrophic

failure.

Repeat Steps 4 through 6 as required, removing all traces of contaminants and deposits.

Important Note: To prevent streaking during the final alcohol cleaning, drag the lens wipe slowly

across the surface so that the cleaning liquid evaporates right behind the wipe.

Troubleshooting

This section includes the following subsections:

•

Introduction

•

Operational flowchart

•

Functional block diagram

•

Status LEDs

•

Laser faults

•

Resetting faults

•

Other laser faults

•

Beam delivery optics

Introduction

This section is designed to help isolate problems to the module level only. Problems on circuit boards or

the laser tube are outside the scope of this guide because they are not user-serviceable assemblies; do

not attempt to repair them. Contact NOVANTA or a NOVANTA Authorized Distributor for repair

information.
To troubleshoot v40 lasers, it is necessary to understand the sequence of events that must happen

before the laser can operate. Before attempting any service, we advise you to read the entire

troubleshooting guide and review both the operational flowchart and the functional block diagram.

Symptoms and possible causes are highlighted by dark print and bullet points throughout this section.

Information about each symptom and cause can be found in the paragraphs following each heading.

Caution: Possible Equipment Damage

If acetone is used as a cleaning solvent, a second follow-up cleaning of the optical surface using

alcohol is required. Otherwise, solvent residuals could damage your laser!

Содержание v40

Страница 1: ...ENGINEERED BY SYNRAD v40 Laser User Manual...

Страница 2: ...ers 11 Getting started 12 Introduction 12 v40 Nomenclature 12 Unpacking 13 Incoming inspection 13 Packaging guidelines 13 Inventory 14 Contents description 15 Mounting 15 Fastening from above 16 Faste...

Страница 3: ...40 OEM controls and indicators 41 Initial start up 42 With a UC 2000 Controller 42 Initial start up continued 42 Without a UC 2000 Controller 45 Technical reference 47 Technical overview 47 Laser tub...

Страница 4: ...wings continued 76 V40 packaging instructions drawing 77 Maintenance Troubleshooting 78 Maintenance 78 Disabling the v40 laser 78 Daily inspections 78 Storage shipping 79 Cleaning optical components 7...

Страница 5: ...ors 40 Figure 3 5 OEM v40 side panel controls and indicators 41 Figure 4 1 v40 beam characteristics 48 Figure 4 2 Flying optics beam path 49 Table 4 1 Assist gas purity specifications 50 Figure 4 3 Re...

Страница 6: ...0 general specifications continued 73 Figure 4 18 Water cooled v40 package outline and mounting dimensions 74 Figure 4 19 Fan cooled v40 package outline and mounting dimensions 75 Figure 4 20 Air cool...

Страница 7: ...the control measures and safety guidelines provided by the laser s manufacturer and those established by your Laser Safety Officer LSO Radiation Safety Officer RSO or safety department of your busine...

Страница 8: ...1 781 266 5700 Email photonics novanta com Europe Middle East Africa Novanta Europe GmbH Wackersdorf Germany Phone 49 9431 7984 0 Email photonics novanta com Milan Italy Phone 39 039 793 710 Email pho...

Страница 9: ...d parts back to NOVANTA for evaluation unless otherwise instructed If your v40 laser fails within the first 45 days after purchase NOVANTA will pay all shipping charges to and from NOVANTA when shippe...

Страница 10: ...erve as the liaison between you and our Applications Lab in processing material samples per your specifications To speak to the Regional Sales Manager in your area call NOVANTA at 1 800 NOVANTA1 Custo...

Страница 11: ...anta com EU Headquarters For assistance in Europe contact NOVANTA European subsidiary NOVANTA Europe at Novanta Distribution USD GmbH Parkring 57 59 85748 Garching bei M nchen Germany Phone 49 89 3170...

Страница 12: ...rocessing speeds than competing technologies With an integrated RF power supply meaning no external RF cables the compact laser housing mounts easily to flatbed cutters robotic arms or gantry systems...

Страница 13: ...immediately notify the shipping carrier and NOVANTA The shipping carrier is responsible for any damage occurring during transportation from NOVANTA Inc to your receiving dock Packaging guidelines To...

Страница 14: ...0 shipping box contents Table 1 1 v40 ship kit contents Shipping Box Contents Qty v40 Laser 1 v40 Operator s Manual 1 Spare Fuse not shown 2 Mounting Bolts 3 Cooling Tubing water cooled only 1 Quick S...

Страница 15: ...w v40 s base plate is designed so that the laser is easily mounted to either vertical or horizontal surfaces using only three fasteners Three ball bearing feet pressed into s base plate eliminate any...

Страница 16: ...and hole B on the base plate line up with the tapped holes in the mounting surface 3 Insert 1 4 20 5 8 UNC capscrews through s base plate into the threaded holes of the mounting surface Turn the screw...

Страница 17: ...articular laser Guidelines for cutting and installing tubing Cut tubing lengths generously to allow for trimming Cut tubing squarely diagonal cuts may not seal properly Carefully trim any burrs if the...

Страница 18: ...he coolant s heat capacity and high concentrations may affect power stability For NOVANTA lasers the minimum coolant setpoint is 18 C 64 F so glycol is not necessary unless the chiller is subjected to...

Страница 19: ...ontaining the laser Install a dehumidifier to reduce the humidity of the enclosure containing the laser Table 1 2 provides dew point temperatures for a range of air temperature and relative humidity v...

Страница 20: ...t a length of tubing to fit between the lower WATER OUT port on the rear of the laser and the chiller s Inlet port 3 Turn on the chiller and adjust the temperature setpoint to 18 22 C Regulate coolant...

Страница 21: ...unobstructed clearance between the outside edge of the fan housing and any mounting surface or enclosure Because of the heat generated by internal RF circuitry establishing significant airflow evenly...

Страница 22: ...k temperatures below 45 C 113 F Note that rear cooled v40 lasers may experience some performance degradation when compared to the typical side mounted cooling configuration Because of the heat generat...

Страница 23: ...t 24 A maximum We recommend the NOVANTA DC 5 DC power supply that supplies 30 VDC at 33 A AC input requirements for the DC 5 are 90 132 VAC low range or 175 264 VAC high range single phase 1 15 A max...

Страница 24: ...Important Note Because AC input connections and requirements vary from facility to facility customers must provide the AC power cable or wiring 6 Connect the neutral wire typically white from your vo...

Страница 25: ...onnect the Quick Start Plug to the User I O connector on the rear of the laser 4 Attach the BNC connector on the end of the UC 2000 s Power Control cable to the BNC connector on the rear of the Quick...

Страница 26: ...Read the entire safety section This will ensure you are familiar with the hazards and warnings prior to starting Hazard Information includes equipment label terms and hazards please familiarize yours...

Страница 27: ...r or moderate injury Alerts operator of lifting dangers Caution Potential hazards or unsafe practices which if not avoided may result in product damage Alerts operator of equipment dangers Important n...

Страница 28: ...ral are apt to combust or melt and metals act as specular reflectors which may create a serious hazard outside the immediate work area Warning Serious Personal Injury For laser systems being used or s...

Страница 29: ...laser beam Eye wear protects against scattered energy but is not intended to protect against direct viewing of the beam never look directly into the laser output aperture or view scattered laser refle...

Страница 30: ...rtant quantity of source material per 10 CFR 40 13 c 7 Shaping grinding polishing or alteration of the optical component is prohibited Use of this optical component in contact lenses spectacles or in...

Страница 31: ...tps www Novanta com resources general_information lasersafetyresources contain an online laser safety handbook that provides information on 1 Laser Safety Standards for OEM s System Integrators 2 Lase...

Страница 32: ...V40 LABEL LOCATIONS PAGE 32 V40 label locations Figure 2 1 V40 Hazard label locations...

Страница 33: ...r the compliance of the system into which OEM laser products are integrated Center for Devices and Radiological Health CDRH requirements Product features incorporated into the design of v40 lasers to...

Страница 34: ...s FCC Information to the user Important Note The following FCC information to the user is provided to comply with the requirements of 47 CFR Part 18 Section 213 Interference Potential In our testing N...

Страница 35: ...this Standard since the final product will itself be subject to the Standard This means that Buyers of OEM laser components are solely responsible for the assurance that the laser processing system s...

Страница 36: ...d Indicates that p100 150 is actively lasing Lase LED illuminates when the duty cycle of the command cycle is long enough to produce laser output Yes Yes Yes Five second delay Circuit Element Disables...

Страница 37: ...uirements EN 61000 6 4 Radiated Emissions Group 1 Class A EN 61000 6 4 Conducted Emissions Group 1 Class A EN 61000 6 2 Electrostatic Discharge Immunity EN 61000 6 2 RF Electromagnetic Field Immunity...

Страница 38: ...EUROPEAN UNION EU REQUIREMENTS ROHS COMPLIANCE PAGE 38 Figure 2 2 Declaration Document...

Страница 39: ...on Keyswitch equipped v40 lasers OEM controls and indicators displays and describes exterior controls and indicators on the OEM v40 lasers Initial start up explains how to start your v40 laser while v...

Страница 40: ...components not specifically designed as options Refer to package outline drawings in the Technical Reference chapter for mounting hole dimensions Important Note When mounting optical components to v40...

Страница 41: ...aser output 7 Keyswitch enables disables operation of the laser The laser is enabled when the Keyswitch is turned to the ON position Turn the Keyswitch OFF to disable lasing 8 USER I O Connector provi...

Страница 42: ...grator must ensure that appropriate safeguards are in place to prevent unintended lasing Caution Possible Equipment Damage Because of their smaller beam diameter v40 lasers have significantly higher p...

Страница 43: ...p and operation instructions before continuing 4 Set the UC 2000 to MANUAL mode and then set the PWM Adj Knob to provide zero percent output 0 0 The UC 2000 s Lase indicator should be Off 5 Verify tha...

Страница 44: ...ng enough to produce laser output typically 5 10 s at 5 kHz The spot where the beam hits the beam block increases in brightness to indicate increased power output 7 Press the UC 2000 s Lase On Off but...

Страница 45: ...controller to PWM Input Pin 9 on the laser s User I O connec tor and connect the ground or return of the controller to PWM Return Pin 1 4 Set your PWM controller to a frequency of 5 kHz at 5 VDC and e...

Страница 46: ...For remote operation Keyswitch lasers it is possible to set the Keyswitch to the ON position and use the Remote Reset Start Request signal on the User I O connector as a remote keyswitch like other NO...

Страница 47: ...tion includes subsections Laser tube Optical resonator RF power supply Optical setup Laser tube v Series lasers were developed using new technology patented by NOVANTA This patented v technology based...

Страница 48: ...RF power is routed to the electrode structure in the laser tube where it excites carbon dioxide CO2 gas in the tube to produce lasing Control circuit Control circuitry built into the laser interrupts...

Страница 49: ...position to obtain this distance Following figure shows how right angle turning mirrors in a flying optics setup create this longer beam path Expander collimators are optical devices that reduce beam...

Страница 50: ...The Controlling laser power section includes subsections Control signals Operating modes Control signals Much of the information provided in this section describes the use of a NOVANTA UC 2000 Univers...

Страница 51: ...ot precisely follow PWM input signals if the On pulse is less than 100 s in duration At a constant 50 duty cycle v Series lasers typically reach 90 100 of full optical output when operated at a freque...

Страница 52: ...nal amplitude is either logic low corresponding to laser beam off or logic high corresponding to beam on The laser off voltage typically 0 V can range from 0 0 V to 0 8 VDC while the laser on voltage...

Страница 53: ...le power Analog voltage or current control Although v40 lasers cannot be controlled directly by analog voltage or current signals this type of control is possible when using the UC 2000 Controller The...

Страница 54: ...sers operating in applications requiring short gating pulses at repetition rates below 500 Hz will exhibit some leading edge overshoot regardless of the PWM frequency This occurs because a cooler lasi...

Страница 55: ...to note that it isn t the Command signal frequency itself that is the determining factor but rather this behavior happens only when the off time between PWM pulses exceeds 200 microseconds User I O c...

Страница 56: ...USER I O CONNECTION SUMMARY PAGE 56 Table 4 3 User I O pin descriptions continued...

Страница 57: ...type subminiature connector on v40 s rear panel Important Note See DB 9 connections later in this section for signal descriptions and pinouts of the SAB model s side mounted DB 9 connector Figure 4 5...

Страница 58: ...al inputs or outputs The 5 VDC Auxiliary Power output can source up to 0 5 A and is protected by a 0 5 A self resetting fuse The return ground path must be through Pin 12 Auxiliary DC Power Ground Pin...

Страница 59: ...nt Note Note To prevent operator injury when using Keyswitch equipped lasers the Remote Reset Start Request signal is ignored when the Keyswitch is set to the OFF position The manually operated Keyswi...

Страница 60: ...ed to Pin 10 See the following table for input circuit specifications Important Note To ensure optimum laser performance there is a five second delay imposed from the time a Shutter Open Request occur...

Страница 61: ...INPUT OUTPUT SIGNALS PAGE 61 Figure 4 8 Input equivalent schematic Table 4 4 Input circuit specifications...

Страница 62: ...ure is above safe operating limits TMP indicator red The output is open high impedance when laser temperature is within operating limits TMP indicator green After an over temperature fault occurs cool...

Страница 63: ...abled INT indicator green See the following table for output circuit specifications Figure below illustrates the output circuit s equivalent internal schematic and the following table pro vides v40 ou...

Страница 64: ...y Power output powers the circuit Note that Pin 4 5 VDC Auxiliary Power could have been used instead depending on circuit voltage requirements Figure 4 10 Customer supplied interlock Figure below show...

Страница 65: ...le when only one input is used Figure 4 12 PLC driven interlock signal When multiple PLC outputs are required connect inputs to the PLC as shown in Figure below By supplying voltage VDC to Pin 11 Inpu...

Страница 66: ...gure 4 14 output driving warning lamp Figure below illustrates a method for controlling a higher voltage higher current load by using a 24 V control relay Ensure that the relay coil s pull in current...

Страница 67: ...DB 9 connector on SAB model lasers provides a Shutter Switch input as well as auxil iary 5 and 24 VDC power Figure below illustrates DB 9 pinouts Caution Possible Equipment Damage 5 VDC Pin 9 and 24...

Страница 68: ...DB 9 CONNECTIONS SAB MODELS ONLY PAGE 68 Figure 4 17 DB 9 connector pinouts Table below describes the function of each pin on the DB 9 connector Table 4 6 Side mounted DB 9 pin descriptions...

Страница 69: ...grate safety features into their control system V40 s keyswitch shutter and remote interlock functions serve to enable or disable DC power to v40 s RF drive Without power the RF driver cannot supply P...

Страница 70: ...ive second delay occurs between the time the Laser Ready output closes and lasing is enabled OEM lasers On OEM lasers the RDY LED illuminates on DC power up provided that Shutter Open Request and Remo...

Страница 71: ...ut closes and lasing is enabled Remote interlock functions Interlock circuits are often used to disable machinery when a shield panel or door is opened s remote interlock function allows you to connec...

Страница 72: ...V40 GENERAL SPECIFICATIONS PAGE 72 v40 general specifications Table 4 7 v40 general specifications...

Страница 73: ...V40 GENERAL SPECIFICATIONS PAGE 73 Table 4 7 v40 general specifications continued...

Страница 74: ...V40 PACKAGE OUTLINE DRAWINGS PAGE 74 v40 package outline drawings Figure 4 18 Water cooled v40 package outline and mounting dimensions...

Страница 75: ...V40 PACKAGE OUTLINE DRAWINGS CONTINUED PAGE 75 v40 package outline drawings continued Figure 4 19 Fan cooled v40 package outline and mounting dimensions...

Страница 76: ...V40 PACKAGE OUTLINE DRAWINGS CONTINUED PAGE 76 v40 package outline drawings continued Figure 4 20 Air cooled v40 SAB model package outline and mounting dimensions...

Страница 77: ...V40 PACKAGING INSTRUCTIONS DRAWING PAGE 77 V40 packaging instructions drawing Figure 4 21 v40 packaging instructions...

Страница 78: ...C Power from the rear panel of the laser Daily inspections Perform the following steps daily to keep your v40 laser in optimum operating condition Except for the procedures described below no other se...

Страница 79: ...aining thoroughly use compressed shop air at less than 29 PSI while wearing safety glasses to remove any residual water When finished cap all connectors to prevent debris from entering the cooling sys...

Страница 80: ...rfaces and coatings are easily damaged by rough handling and improper cleaning methods Always place optics lens on a tissue or suitable equivalent material for protection never place optics on hard or...

Страница 81: ...initial surface cleaning Acetone moderately aggressive is best for oily residue or minor baked on vapors and debris 5 Gently and without applying pressure drag the damp lens wipe across the optical s...

Страница 82: ...faults Beam delivery optics Introduction This section is designed to help isolate problems to the module level only Problems on circuit boards or the laser tube are outside the scope of this guide bec...

Страница 83: ...rsonal Injury This Class IV laser product emits invisible infrared laser radiation in the 10 6 m CO2 wavelength band Since direct or diffuse laser radiation can inflict severe corneal injuries always...

Страница 84: ...OPERATIONAL FLOWCHART PAGE 84 Operational flowchart The flowchart figure below illustrates s start up sequence Figure 5 1 v40 operational flowchart...

Страница 85: ...FUNCTIONAL BLOCK DIAGRAM PAGE 85 Functional block diagram Figure below is a functional block diagram illustrating the v40 s control architecture Figure 5 2 v40 functional block diagram...

Страница 86: ...a five second delay until PWM inputs are recognized When PWM Command pulses are applied and are long enough to produce laser output the LASE LED illuminates red On OEM lasers the RDY lamp illuminates...

Страница 87: ...owing tables show how s signal status changes when remote interlock over temperature or shutter closed conditions occur Table 5 3 Interlock Open condition Table 5 4 Over Temperature condition Table 5...

Страница 88: ...ns the INT indicator changes from green to red To reset a remote interlock fault close the interlock input INT indicator changes from red to green and cycle the Keyswitch from OFF to ON or apply a 5 2...

Страница 89: ...ng DC power to the laser wait 30 seconds and then reapply DC power If the RF Drive DC fault reappears contact NOVANTA or a NOVANTA Authorized Distributor PWM Drive fault A PWM Drive fault is indicated...

Страница 90: ...under voltage or over voltage fault occurs when the DC input voltage is below or above preset limits This fault is indicated by the RDY indicator flashing 1 blink under voltage or 2 blinks over voltag...

Страница 91: ...o Pin 4 5 VDC Auxiliary Power Symptom An over temperature fault is indicated INT LED Green Interlock Open Open TMP LED Red Over Temperature Closed RDY LED Off Laser Ready Open SHT LED Blue Shutter Ope...

Страница 92: ...Open Possible Causes The Shutter Switch if equipped is Closed If your v40 laser is equipped with a Shutter Switch slide the switch to the Open position The SHT indicator will illuminate blue No voltag...

Страница 93: ...oses again the INT indicator will change from red to green the Interlock Open output will Open the RDY light illuminates and five seconds later lasing is enabled Symptom There is no output laser beam...

Страница 94: ...lasers pits or debris on the lens surface may absorb enough energy from the focused beam to crack the lens If this happens other optics in the beam path may be contaminated or damaged as well Danger S...

Страница 95: ...BEAM DELIVERY OPTICS PAGE 95 This page is left blank intentionally...

Страница 96: ...ics 3 2 3 3 Beam delivery optics 3 3 3 4 4 17 Block diagram 4 8 C Caution condensation damage 1 11 2 8 2 10 control board damage 1 12 3 22 coolant temperature 1 10 1 11 2 9 2 12 definition 1 dirty env...

Страница 97: ...e 1 6 1 12 1 13 4 15 recommended location 1 12 1 13 Cooling ports 1 11 2 3 2 5 Cooling tubing 1 4 1 5 connecting 1 11 guidelines 1 8 Cooling water draining 1 3 4 3 flow rate 1 9 1 11 2 8 2 10 4 15 tem...

Страница 98: ...the user 6 information to the user 6 Final Test report 1 4 1 5 daily inspections 4 2 4 3 disabling 4 2 faults 4 11 4 16 features 1 2 maintenance 4 2 4 5 model numbers 1 2 mounting 1 6 1 7 nomenclatur...

Страница 99: ...3 11 3 15 3 16 3 17 3 24 3 25 4 9 4 12 4 13 4 17 Inspections daily 4 2 4 3 incoming 1 3 Integrating safety features 3 24 3 25 keyswitch functions 3 24 3 25 remote interlock functions 3 25 shutter fun...

Страница 100: ...utline and Mounting drawings 3 28 3 30 Output circuit equivalent schematic 3 18 pin descriptions 3 17 sample diagrams 3 20 3 21 specifications 3 18 Output Common 3 11 3 17 3 21 3 24 3 25 description 3...

Страница 101: ...1 description 3 10 3 14 specifications 3 16 Resetting faults 4 11 4 13 Keyswitch lasers 4 11 4 12 OEM lasers 4 12 4 13 RF driver board 3 24 3 25 RF power supply 3 3 S Safety features 8 integrating 3 2...

Страница 102: ...put signals 3 12 3 18 sample input circuits 3 19 3 20 sample output circuits 3 20 3 21 status signals 4 9 4 10 User I O connector 1 16 2 3 2 5 2 8 2 10 3 6 3 12 3 24 3 25 4 9 4 11 4 15 V v40 label loc...

Страница 103: ...INDEX PAGE 1 This page is intentionally left blank...

Страница 104: ...Engineered by Cambridge Technology part of Novanta Novanta Headquarters Bedford USA Phone 1 781 266 5700 Email photonics novanta com Revision X August 2022 2022 Novanta Corporation All rights reserved...

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