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CONTROL SIGNALS

 

PAGE 

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 47 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

Figure 4-5 Series 48-5 kHz waveform. The upper waveform is laser output, the lower wave form is PWM input. 

 
Series 48 lasers are designed to operate at Command signal base frequencies up to 20 kHz; however, the 

choice of PWM frequency depends on the user’s specific application. In the majority of laser applications, 

the UC-2000’s default Command signal frequency of 5 kHz has proven to work well. When considering 

Command frequencies at 5 kHz or below, please review Marking/engraving operation later in this section.  
For high-speed motion applications that cannot tolerate any ripple in the optical beam response but still 

need adjustable power levels, we recommend the use of higher PWM frequencies, up to 20 kHz maximum. 

At 20 kHz, the laser’s optical beam response no longer follows the Command input and is very nearly a 

DC value with just a small amount of ripple present. 
 
 
 

Содержание Novanta 48 Series

Страница 1: ...ENGINEERED BY SYNRAD 48 Series User Manual...

Страница 2: ...ing packing storage shipping mounting connecting cooling 13 Series 48 nomenclature 15 Laser Safety 16 Hazard Information 16 Disposal 18 Other hazards 18 Additional laser safety information 20 Series 4...

Страница 3: ...ler 49 Continuous wave CW operation 50 DB 9 connections 51 User I O connections 53 DB 9 connections 54 Sample DB 9 Connector I O circuits 55 Sample output circuits 56 Integrating Series 48 safety feat...

Страница 4: ...number 15 Figure 2 1 Hazard label locations 48 1 example 21 Figure 2 2 Hazard label locations 22 Figure 2 3 Hazard label locations 23 Table 2 4 Class 4 safety features 27 Table 2 2 European Union Dire...

Страница 5: ...igure 4 9 Remote Keyswitch circuit 55 Figure 4 10 Remote Interlock circuit 56 Figure 4 11 Remote Ready output to PLC input PLC sourcing 56 Figure 4 12 Message Output to PLC input 57 Figure 4 13 Fault...

Страница 6: ...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 7: ...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 8: ...iled parts back to NOVANTA for evaluation unless otherwise instructed If your 48 Series laser fails within the first 45 days after purchase NOVANTA will pay all shipping charges to and from NOVANTA wh...

Страница 9: ...rve 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 Custom...

Страница 10: ...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 11: ...Clearing the fault condition re enables the RDY indicator and the laser will bee enabled five seconds after the SHT indicator is lit and a PWM Command signal is applied Because exposure to CO2 laser r...

Страница 12: ...e of purchase model number and serial number of the unit and a brief description of the problem When returning a unit for service a Return Authorization RA number is required this number must be clear...

Страница 13: ...mer Communication Flier Series 48 Instead of the laser manual CD please follow the instructions for our latest laser manual s located here https www Novanta com resources libraries manuals Mounting ki...

Страница 14: ...s not standard Cooling kit as required Maximum torque 48 1 0 41 Nm or 4 in lb 6 32 screw 48 2 0 41 Nm or 4 in lb 6 32 screw 48 5 1 4 Nm or 12 1 in lb 10 32 screw Minimum thread engagement should be 5...

Страница 15: ...unctional category is indicated by either a K for Keyswitch or S Standard OEM for OEM models The next letter indicates the cooling method W for water cooled units A for air cooled lasers where the cus...

Страница 16: ...pment labels Please familiarize yourself with their definitions and significance Warning Potential Imminent hazards which if not avoided could result in death or serious injury Alerts operator of seri...

Страница 17: ...iated with the installation and operational use of any equipment incorporating a laser the operator must follow product warning labels and instructions to the user regarding laser safety To prevent ex...

Страница 18: ...ns from metallic surfaces Enclose the beam path whenever possible Exposure to direct or diffuse CO2 laser radiation can seriously burn human or animal tissue which may cause permanent damage This prod...

Страница 19: ...t as sold This II VI Infrared requirement only applies to lenses and optics manufactured and distributed by II VI Infrared Distributing components or devices that contain lenses and optics manufacture...

Страница 20: ...rs 2 Laser Safety Standards for End Users 3 References and Sources and 4 Assistance with Requirements In addition the Occupational Safety and Health Administration OSHA provides an online Technical Ma...

Страница 21: ...SERIES 48 1 LABEL LOCATIONS PAGE 21 Series 48 1 label locations Figure 2 1 Hazard label locations 48 1 example...

Страница 22: ...SERIES 48 2 LABEL LOCATIONS PAGE 22 Series 48 2 label locations Figure 2 2 Hazard label locations...

Страница 23: ...SERIES 48 5 LABEL LOCATIONS PAGE 23 Series 48 5 label locations Figure 2 3 Hazard label locations...

Страница 24: ...art 1040 or EN 60825 1 NOVANTA assumes no responsibility for the compliance of the system into which OEM laser products are integrated Center for Devices and Radiological Health CDRH requirements Prod...

Страница 25: ...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 26: ...e as components of any system for subsequent sale are not subject to this Standard since the final product will itself be subject to the Standard This means that Buyers of OEM laser components are sol...

Страница 27: ...r Red 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 No No Yes Five second delay Circuit Element Disabl...

Страница 28: ...rective EN 61010 1 2010 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements EN 61000 6 4 Radiated Emissions Group 1 Class A EN 61000 6 4...

Страница 29: ...EUROPEAN UNION EU REQUIREMENTS ROHS COMPLIANCE PAGE 29 Figure 2 2 Declaration Document...

Страница 30: ...rt your Series 48 laser while verifying proper operation Caution Possible Equipment Damage Remove the aperture seal before firing the laser The self adhesive seal is installed to prevent dust from ent...

Страница 31: ...ted when lasing Optical Accessory Mounting provides six threaded holes for mounting standard beam delivery components When considering other components not specifically designed as Series 48 options p...

Страница 32: ...peration If a tickle signal is present the LASE LED turns on after the five second delay and becomes brighter as the PWM duty cycle is increased Command CTRL Input accepts tickle and PWM Command signa...

Страница 33: ...onnector provides an optional 30 VDC source for powering the UC 2000 Controller An auto resetting solid state fuse limits line current Connector power is active after 30 VDC is applied to the laser DB...

Страница 34: ...t circuits by an auto resetting fuse The Diode Pointer Power connector is not installed unless the optional Diode Pointer is ordered when the laser is manufactured Optical Accessory Mounting provides...

Страница 35: ...els only used to turn the laser on off and to reset faults The key cannot be removed when the Keyswitch is in the ON position Command CTRL Input accepts tickle and PWM Command signal inputs The output...

Страница 36: ...e Series 48 safety features into your automated control system Series 48 general specifications provides specifications for the Series 48 laser Model 48 1 48 2 and 48 5 package outline drawings illust...

Страница 37: ...t can also be used to control instantaneous power by adjusting the pulse width PWM duty cycle at a fixed modulation frequency Both methods can be used simultaneously Plasma section The laser consists...

Страница 38: ...on DC power up of the laser The Shutter Switch allows the operator to temporarily interrupt laser output during active lase modes A mechanical lever physically blocks the exit aperture and at the same...

Страница 39: ...reduce the 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 sub...

Страница 40: ...SETTING COOLANT TEMPERATURE PAGE 40 Table 4 1 Dew Point Table F temperatures...

Страница 41: ...ehumidifier to reduce the humidity of the enclosure containing the laser The table above provides dew point temperatures for a range of air temperature and relative humidity values Remember that the l...

Страница 42: ...mmand input however the beam s random polarization is compromised Optical setup After selecting a laser for a CO2 laser processing system the two most important elements to consider are 1 Delivery opt...

Страница 43: ...ximum assist gas pressure available for the process This is especially important in metal cutting applications using high pressure assist gases Cleanliness is another important issue affecting perform...

Страница 44: ...tickle and PWM Command signals to the laser If you are using an alternate method of laser control thoroughly review this section for an understanding of the signal requirements necessary to control NO...

Страница 45: ...sent one tickle period 200 s after the falling edge of a PWM Command signal pulse Figure 3 3 illustrates tickle pulse parameters Figure 4 3 Tickle pulse waveform Series 48 lasers are designed to oper...

Страница 46: ...lows PWM input with a rise and fall time constant of 100 s the laser cannot precisely follow Command signal frequencies over 5 kHz with duty cycles greater than 50 Typically the depth of modulation fo...

Страница 47: ...0 s default Command signal frequency of 5 kHz has proven to work well When considering Command frequencies at 5 kHz or below please review Marking engraving operation later in this section For high sp...

Страница 48: ...c states The standard base frequency is 5 kHz which has a period of 200 s Maximum PWM frequency is 20 kHz The third Command signal parameter PWM duty cycle is the percentage of the period that the Com...

Страница 49: ...rrent install a D A card that can generate 4 mA laser off to 20 mA maximum power Software able to control your analog output card is required for both configurations UC 2000 Universal Laser Controller...

Страница 50: ...nal should set the UC 2000 s gate input logic to internal Pull Down normally off mode This prevents the beam from being enabled unless a high level 3 5 V to 5 0 VDC signal is applied to the Gate input...

Страница 51: ...lity These signals allow you to connect remote keyswitch LASE and ready PWR indicators to a remote operator s station or connect a remote interlock safety switch to interlock equipment doors or panels...

Страница 52: ...n 6 to Pin 7 or connect to external remote keyswitch circuitry as described in the DB 9 connections section in the Technical Reference section Important Note On lasers manufactured as OEM S version la...

Страница 53: ...r User I O connections User I O connection summary Input output signals Sample I O circuits The PWM Command signal and all input output I O control signals are connected to the User I O port Please re...

Страница 54: ...figure below shows the physical layout and pin identification of the Series 48 DB 9 Connector Refer to the following tables in the next section describing input output signal specifications Figure 4...

Страница 55: ...le DB 9 Connector I O circuits Sample input circuits The figure below illustrates a method of connecting a relay contact or limit switch to act as a remote keyswitch Remember that Remote Keyswitch and...

Страница 56: ...Note You can use these same circuits to monitor the laser s Remote Lase LED Output DB 9 Pin 8 however the Remote Lase LED Output is not a steady state on off output It is a Pulse Width Modulated PWM s...

Страница 57: ...figure illustrates how to connect the Fault Shutdown Output signal to a PLC The Fault Shutdown Output function signals a laser shutdown due to an under over voltage condition an over temperature condi...

Страница 58: ...e second delay after which lasing is enabled The RF driver is disabled when the remote keyswitch circuit is open Your control system can monitor the laser s power on status through the DB 9 Connector...

Страница 59: ...and then ground the circuit to Pin 2 or Pin 4 Signal Ground Lasing is enabled when Pin 3 is grounded when the external interlock circuit is closed If the external interlock circuit opens then Pin 3 op...

Страница 60: ...ant fitting guidelines Cut tubing lengths generously to allow for trimming Cut tubing squarely diagonal cuts may not seal properly Trim away any burrs if the cut is ragged Avoid excessive stress on fi...

Страница 61: ...g to 6 mm metric tubing For 48 5 cooling kits convert the 3 8 tubing to 8 mm metric tubing These tubing adaptors are available from many tubing and fitting manufacturers 48 1 48 2 and 48 5 cooling tub...

Страница 62: ...MODEL 48 1 GENERAL SPECIFICATIONS PAGE 62 Model 48 1 general specifications Table 4 9 Model 48 1 general specifications...

Страница 63: ...MODEL 48 1 GENERAL SPECIFICATIONS CONTINUED PAGE 63 Model 48 1 general specifications continued...

Страница 64: ...MODEL 48 2 GENERAL SPECIFICATIONS PAGE 64 Model 48 2 general specifications Table 4 10 Model 48 2 general specifications...

Страница 65: ...MODEL 48 2 GENERAL SPECIFICATIONS CONTINUED PAGE 65 Model 48 2 general specifications continued...

Страница 66: ...MODEL 48 5 GENERAL SPECIFICATIONS PAGE 66 Model 48 5 general specifications Table 4 11 Model 48 5 general specifications...

Страница 67: ...ent by removing several of the bottom panel screws and replacing these with longer screws to secure the laser to optical assemblies This mounting method is only recommended as long as the screws do no...

Страница 68: ...TECHNICAL DRAWINGS PAGE 68 Technical Drawings Figure 4 14 Model 48 1 package outline and mounting dimensions 1 of 2...

Страница 69: ...TECHNICAL DRAWINGS PAGE 69 Figure 4 15 Model 48 2 package outline and mounting dimensions 2 of 2...

Страница 70: ...TECHNICAL DRAWINGS PAGE 70 Figure 4 16 Model 48 5 package outline and mounting dimensions...

Страница 71: ...TECHNICAL DRAWINGS PAGE 71 Figure 4 17 Model 48 1 packaging instructions...

Страница 72: ...TECHNICAL DRAWINGS PAGE 72 Figure 4 18 Model 48 2 packaging instructions...

Страница 73: ...TECHNICAL DRAWINGS PAGE 73 Figure 4 19 Model 48 5 packaging instructions...

Страница 74: ...TECHNICAL DRAWINGS PAGE 74 Figure 4 20 FLMK 1A 10W fan shroud packaging instructions...

Страница 75: ...lict severe corneal injuries always wear eye protection when in the same area as an exposed laser beam Do not allow the laser beam to contact a person This product emits an invisible laser beam that i...

Страница 76: ...y follow the manufacturer s instructions 4 Visually inspect the exterior housing of the laser to ensure that all warning labels are present Refer to the Laser Safety section for 48 series label types...

Страница 77: ...ses that corresponds to the air temperature in the area where your laser is operating Follow this row across until you reach a column matching the relative humidity in your location The value at the i...

Страница 78: ...the beam path Before beginning the cleaning process read this entire section thoroughly to ensure that all cleaning materials are available and that each step is completely understood Important Note...

Страница 79: ...g Certain contaminants or damage such as pitting cannot be removed In these cases the optic must be replaced to prevent catastrophic failure 7 Repeat Steps 4 through 6 as required removing all traces...

Страница 80: ...en only when the Remote Interlock input is closed and the Keyswitch is cycled from OFF to the ON position or the Remote Keyswitch input is opened and then closed After the PWR indicator illuminates a...

Страница 81: ...es a five second delay occurs before the laser is permitted to lase The LASE LED illuminates dimly when tickle pulses are applied to the laser and when PWM Command pulses are applied and are long enou...

Страница 82: ...OPERATIONAL FLOWCHART PAGE 82 Operational flowchart Figure 5 1 48 series operational flowchart...

Страница 83: ...remote interlock connection Pin 3 must be grounded through your external interlock circuit to Pin 2 or Pin 4 Pin 6 must be connected to Pin 7 through your external keyswitch circuitry Refer to Connec...

Страница 84: ...Shutter Switch is closed or not fully open Close and then re open the Shutter Switch Symptom No output beam but the PWR LED is On The LASE indicator is dim and does not brighten Possible Causes A PWM...

Страница 85: ...STATUS LEDS PAGE 85 Status LEDs Table 5 3 48 series Input Output LED Status Signals...

Страница 86: ...mended cleaning materials to prevent scratching delicate optical surfaces If the focusing optic is pitted it must be replaced immediately The laser s high power density will cause pits or debris on th...

Страница 87: ...up 90 Food and Drug Administration FDA 22 H Hazard information 15 16 17 label locations 19 20 21 terminology 15 I Inspections daily 83 L Label locations 19 20 21 Laser Institute of America LIA 18 M Ma...

Страница 88: ...INDEX This page is intentionally left blank...

Страница 89: ...Engineered by Synrad 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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