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User Manual - Vincent Associates

1. plac e edu 31 Cleanine Procedure e EXIGPOE uiuere sa vt as S Qasapaq aa 3l Irnspectotm IMO te e utut a teas Uo 52 leanime PrOCedure OF cuoio 32 SFECIEK EU ti be ub Su a uui a 33 Systemi Characteristics aeos i 33 External Input C DakacterIstI6S s eseee eus as Gw ee Pe aee e PEE 34 External Output Characteristics 35 General Characteristics o u uyu WORD nds 36 Applicable Certifications CE UL CSAP 40 INDE Xi uu a ua iu dieit decet v Peer ua u Saa 41 VDM1000 User Manual List of Tables Table 1 5 Pin SwitchCraft Female Receptacle Pin Out 16 Table 2 VDM1000 Octal Switch Pulse Duration Settings 18 Table 3 FUNCTION DIP Switch Settings 19 Table 4 Function amp Octal Switch Settings for All Available Shutter 1 20 Table 5 VDM1000 RS 232C Pin Outs Y 24 List of Figures Figure 1 VDM1000 Front Pan
2. 34 minimum pulse widths 28 42 switch 12 N O N C Toggle switch 14 Nano SMT 38 N CAS 8 10 normally closed 9 10 normally open 9 10 NS series 10 NS series shutters 18 23 NS25S 13 null modem configuration 24 null modem 34 Octal Rotary Switch 37 Octal rotary DIP switch 36 octal switch 24 Octal Switch Pulse Duration Settings 18 octal switch settings 34 ON OFF Power Switch 16 On Off switch 11 On Off Switch 5 Open 34 36 Operating Basics 8 23 Operating Temperature 38 Operator Controls 8 Optional Accessories 39 OUTPUT 14 Output commands 36 output readbacks 34 Overall Dimensions 29 Overall PS36 Power Supply Dimensions 30 Over voltage 38 Parity 34 Pollution 38 POWER 12 Power Cord 5 POWER Indicator 36 Power LED 11 POWER LED 12 14 Power Requirements 38 Power Source 6 Power supply 9 Power Supply 5 16 33 power switch 11 Preface 8 Proper Ventilation 6 PS36 5 6 9 10 11 12 PS36 input power receptacle 12 Pulse Energy 37 Pulse current 33 PULSE DURATION 18 PULSE DURATION Select 37 VDM1000 User Manual pulse energy 9 18 23 37 PULSE INPUT 10 13 28 34 37 Pulse Input BNC 37 PULSE INPUT BNC 9 16 Pulse voltage 33 Radiated Electromagnetic Field Immunity 40 Radiated Emission Limits 40 Radiated Emissions Class A 40 Rear Panel 10 Rear Panel Operator Controls 16 Rear Panel Operator Contro
3. are not covered under this warranty Any defective product returned to the MANUFACTURER must follow the RETURN MATERIAL AUTHORIZATION PROCEDURE as defined below This warranty does not extend to cover damage resulting from alteration misuse negligence abuse normal wear and tear or accident The MANUFACTURER will consider the return of unused equipment if returned within 30 days from the original date of shipment subject to a 20 restocking charge This offer does not apply to used or damaged equipment This warranty extends only to the original purchase and 15 not available to any third party including any purchaser assemblies or other Products of which the goods may become component equipment CYCLE WARRANTY CRITERION One cycle is considered one open and one closure of the shutter DSS Shutter must be operated with the ED12DSS driver or equivalent H Bridge type shutter driver circuit at 10 7VDC across the actuator coil for the specified duration DSS Shutter must be operated within the defined environmental electrical and mechanical specifications as listed on the device s data sheet After one year WARRANTY PERIOD the cycle warranty is null and void If returned the device must be accompanied by a written statement indicating the approximate number of cycles contained on the device include all parameters to which the shutter was operated and follow the RETURN MATERIAL AUTHORIZATION PROCEDURE as defined below RETURN MATERIAL AUTHORIZA
4. d Name Description Power Requirements 36 VDC 66 Watts accessible with 2 mm jack located on rear panel j CC O s sss G s S S s 88 S S Fuse Requirements one 2 Amp T Slo Blo Nano SMT for 36 VDC Fuses are internal to unit one 0 75 Amp T Slo Blo Nano SMT for Shutter coil one 0 25 Amp F fast acting 1206 SMT for 5V Sync Operating Temperature 5 C to 40 C 41 F io 104 F Storage Temperature 20 C io 55 C 4 Fio T31 B Controller 1 2 lbs 0 54kg Power Supply 1 1 lbs 0 50kg Supplied Accessories with 510A shutter cable 5 pin male SWC to 5 pin female VDM1000 SWC 36 VDC external power supply 2 each AC line cord IEC type North America and Europe User s Manual Disk or USB Flash Drive Checklist VDM 1000 User Manual 38 General Characteristics cont d Optional Accessories VDM 1000 User Manual 710A shutter cable 7 pin female WPI to 5 pin male SWC 710R remote hand held trigger cable used with active low BNC 710R F remote foot switch trigger cable used with active low BNC 810RJ RS 232C interconnect serial cable RJ45 connections 910RJF female DB9 to RJ45 adapter used with 810RJ and PC 910RJM male DB9 to RJ45 adapter used with 810RJ amp VMM driver 701A S5 Shutter Adapter Cable 7 pin female WPI to 5 pin male SWC 701AR S5 Shutter Adapter Cable with resistor 7 pin female WPI to 5 pin male SWC 39 Applicable
5. is grounded through the grounding conductor of the PS36 power cord To avoid electrical shock the grounding connector must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded DO NOT DEFEAT THE GROUND CONNECTION ON THE PS36 SUPPLIED LINE CORD Access to On Off Switch Due to the position of the unit s power switch at the rear panel do not position the unit such that it is difficult to operate the on off switch Do Not Operate Without Cover To avoid electric shock or fire hazard do not operate this product with the cover removed Use Proper Fuse To avoid fire hazard use only the fuse type and rating specified for this product Do Not operate in Wet Damp Conditions To avoid electric shock do not operate this product in wet or damp conditions Do Not Operate in an Explosive Atmosphere To avoid injury or fire hazard do not operate this product in an explosive atmosphere VDM1000 User Manual Product Damage Precautions e Use Proper Power Source Do not operate this product from a power source that applies more than the voltage specified It is recommended to use the PS36 or equivalent DC Power Supply e Provide Proper Ventilation To prevent product overheating provide proper ventilation Do Not Operate with Suspected Failures If you suspect there is damage to this product have it inspected by qualifi
6. side panel of the enclosure These switches will set the VDM1000 in a number of configurations to allow a number of shutter types to be driven The right side panel octal switch establishes pulse duration and the FUNCTION switches control and pre set the unit for the specific shutter used A 3 meter 5 pin female to 5 pin male SwitchCraft push lock shutter interconnect cable Model 510A is also included with each unit VDM1000 User Manual 10 Start Up After unpacking your unit inspect for any defects If upon inspection a problem is found or a part or parts is missing notify Vincent Associates immediately Be sure the line cord provided with the included PS36 power supply is being used Please note that proper line cords are included for both CAUTION Domestic USA and Overseas EU If the included EU line cord is not compatible please use a line cord rated for 230VAC minimum IA and minimum 0 75 conductor size The maximum cord length is 3 meters After the initial inspection the unit 1s ready to use To properly install and power on the VDM1000 perform this procedure 1 Verify that the VDM1000 power rocker switch is selected to 0 position and the line end of the PS36 power supply s line cord is not connected to the AC line 2 Connect the 2 mm power plug of the PS36 power supply to the DC power input of the VDM1000 Be sure the AC cord 15 inserted completely into the AC module receptacle of the P
7. the unit s internal circuitry Exercise extreme caution As noted previously a visual inspection of a fuse is usually NOT an adequate test to determine if a fuse failure has occurred Use a DMM Digital Multi Meter or equivalent test device to determine fuse continuity Particular shutter units respond to different minimum pulse widths For example a standard VS25 shutter with Teflon shutter blades has a minimum exposure pulse of 6 msec If exposure or pulse width presented to the VDM1000 s PULSE INPUT is less than 6 msec shutter may not open fully If the unit still does not operate properly when using the proper pulse width please notify Vincent Associates immediately When operating shutters with a larger aperture than 25mm 35 mm or larger please be sure that the FUNCTION slide switch F is positioned to the Upper position Failure to make this change will result in the shutter not opening fully when triggered or opening fully and immediately returning to the closed position thereby risking failure or loss of capture When operating shutters with a 25mm aperture or smaller please be sure that FUNCTION slide switch F is in the Lower position Use of the Upper position for 25 mm and smaller aperture devices could cause irreparable damage to the shutter used and WILL void the shutter s limited warranty VDM1000 User Manual 28 Dimensions The overall dimensions of the VDM1000 Shutter Controller and Power Supply are sho
8. Certifications CE UL CSA The VDM1000 Shutter Driver has successfully completed and is compliant with the following tests performed at MET Laboratories Inc Name Directive s Applied Standards VDM1000 User Manual Description EMC LOW VOLTAGE UL CSA Application of Council Directive s EMC 89 336 amended by 92 31 EEC and 93 68 EEC Standards to which Conformity is Declared 61326 1997 1 1998 2 2001 A3 2003 Class UL 61010 1 CSA C22 2 No 61010 1 Second Edition Safety of Electrical Equipment for Measurement Control and Laboratory Use Rev October 28 2008 Title 47 of the Code of Federal Regulations CFR Part 15 Subpart B for a Class A digital device 15 107 a Conducted Emission Limits for a Class A Digital Device 15 109 a Radiated Emission Limits for a Class A Digital Device EN 61326 1 2006 Electrical Equipment for Measurement Control and Laboratory Use e EN 61000 4 2 2001 Electrostatic Discharge Immunity EN 61000 4 3 2006 Radiated Electromagnetic Field Immunity EN 61000 4 4 2004 Electrical Fast Transient Burst Immunity EN 61000 4 5 2006 Surge Immunity EN 61000 4 11 2004 Voltage Dips Interruptions and Variations EN 61000 4 6 2007 Conducted Radio Frequency Immunity CISPR 11 2007 Radiated Emissions Class A CISPR 11 2007 Conducted Emissions Class A 40 36VDC 12 100 240 VAC 50 60 Hz 9 100VAC or 240VAC 50 60 2 12 1206 SMT 38 2 0
9. GH LOW pulse energy HIGH energy is required to operate the 35mm and larger aperture shutters In the down Lower position the pulse energy is selected LOW When the switch actuator is in the up Upper position the pulse energy is selected HIGH The HIGH energy setting must be used for only the 35mm and larger CAUTION aperture shutters Use the LOW position for all other UNIBLITZ Shutters Use of the HIGH position for shutter apertures smaller than 35mm will damage the shutter used and will void the limited warranty VDM1000 User Manual 23 RS 232C Operation The VDM1000 inputs can be controlled via an RS 232C computer serial signal COM port From a computer s RS 232C serial port connect a cable such as the 810RJ not supplied or a user constructed cable with connections as enumerated in the INPUT SPECIFICATIONS to the unit s RS 232C interface The RS 232 input is configured in the null modem configuration Connect the Tx transmit from the host to the Rx receive on the VDM1000 control unit All other lines are not used except for the Ground connection When using 810RJ cable the 910RJF adapter is required to connect the VDM1000 to the host computer The 910RJF adapter is included as part of the 810RJ cable assembly If the host contains a 25 Pin D sub or an 8 Pin Mini DIN check the computer s user manual to find the proper corresponding pin outs A cable will need to be constructed or a proper adapter purchased to conn
10. INT SHUTTER OPEN COMMAND SENT GOSUB TIMEOUT GOTO MENU ELSEIF A C OR A c THEN PRINT 1 CHR J 1 PRINT SHUTTER CLOSE COMMAND SENT GOSUB TIMEOUT GOTO MENU VDM1000 User Manual 26 WEND END TIMEOUT ADDRESS ELSEIF A Y OR A y THEN PRINT 1 CHR J 1 PRINT SYNC State Check COMMAND SENT GOSUB TIMEOUT GOTO MENU ELSEIF A Q OR A q THEN K 0 PRINT PROGRAM TERMINATED ELSEIF A S OR A s THEN INPUT ENTER OCTAL ADDRESS 0 7 or X B GOSUB ADDRESS GOTO MENU ELSE GOTO START END IF FOR 1 TO 100000 NEXT CLS 0 RETURN B X OR B x THEN J 64 C X ELSEIF B 0 THEN 128 C 0 ELSEIF 1 THEN J 144 1 ELSEIF 2 THEN J 160 C 2 ELSEIF B 3 THEN 176 C 3 ELSEIF B 4 THEN J 192 C 4 ELSEIF B 5 THEN J 208 C 5 ELSEIF B 6 THEN J 224 C 6 ELSEIF B 7 THEN VDM1000 User Manual 27 J 240 C 7 ELSE J 64 C x END IF PRINT STARTING DECIMAL J 1 GOSUB TIMEOUT CLS 0 RETURN Trigger Cautions and Trouble Shooting Tips I The VDM1000 system s capability can be ereatly enhanced by external control as described previously however extreme care must be taken to ensure that high voltages see SPECIFICATIONS are not inadvertently switched into external control inputs Also note that large negative voltages can cause irreparable damage to
11. S36 power supply Connect the power end of the line cord to the AC line 4 Power unit ON by rocking the power switch to the 1 position Power LED indicator will illuminate 5 Due to the position of the unit s power switch at the rear panel do not position the unit such that it 15 difficult to operate the On Off switch VDM 1000 User Manual 11 Initial Operation and Testing The VDM1000 will operate from the supplied 36VDC PS36 power supply or equivalent user supplied power supply The PS36 will operate from 100 to 240V AC 50 60Hz this 15 automatically selected Be sure power switch of the VDM 1000 is in the off position before CAUTION connecting PS36 power supply s AC plug to the line Attach line cord to the unit first before plugging into the AC power source See Start Up section for connection to power source Insert the 5 pin male SwitchCraft connector of 510A shutter interconnect cable into 5 pin female SwitchCraft receptacle at rear of unit labeled SHUTTER Connect the 5 pin female connector of the Model 510A shutter interconnect cable to 5 pin male connector on shutter to be driven Place POWER switch to the ON 1 position the POWER LED will illuminate Place the N O N C switch to the N O position The shutter will open and remain open until the switch is returned to the N C position The DRIVER LED will illuminate when this switch is in the N O position The operation of the shutter described ass
12. TION PROCEDURE MANUFACTURER will only accept returned Products from customers that have obtained an RMA Return Material Authorization number from the MANUFACTURER The customer must also include an itemized statement of defect s The Product will then be evaluated per the MANUFACTURER S standard repair guidelines Any Product which has been returned to the MANUFACTURER but which is found to meet the applicable specifications and not defective in materials and workmanship shall be subject to the MANUFACTURER s standard evaluation charge The MANUFACTURER assumes no liability for customer returned material LIMIT OF LIABILITY The buyer s exclusive remedy and the limit of MANUFACTURER S liability for any loss whatsoever shall not exceed the purchase price paid by the buyer for the goods to which a claim is made MANUFACTURER does not give any implied warranties of merchantability fitness for a particular purpose or of any other nature in connection with the sale of any Products VDM1000 User Manual TABLE OF CONTENTS WARRANTY 2 PFABEBONFCONIEIENTS ieitissicsseess etx m en n ee opu neci e e em 3 GENERAL SAREIYSUMMNTIARY usa a 5 Injury PE CCAULIONS as etii tei en Hoe s uu SS uisu Eee ea Pee S Qu Sau yas 5 Product Damage Precautions 6 Safety Terms and Sy MOIS iier eo eoa vera ee nen e
13. User Manual 5 UNIB LITZ Electro Programmable Shutter Systems 1000 Shutter Driver 14 0035 Version 2 1 2011 Vincent Associates products are covered by U S patents Information in this publication supersedes that in all previously published material Due to our ongoing development program Vincent Associates reserves to right to discontinue or change specifications or designs at any time without incurring any obligation Carries CE UL CSA certifications Version 2 1 2011 Vincent Associates a Division of VA Inc 803 Linden Ave Rochester NY 14625 Tel 585 385 5930 Fax 585 385 6004 UNIBLITZ N CAS and VINCENT ASSOCIATES are registered trademarks of VA Inc Printed in the U S A VDM1000 User Manual Warranty LIMITED PRODUCT WARRANTY All Products manufactured by VINCENT ASSOCIATES MANUFACTURER are warranted to meet published specifications and to be free of defects in materials and workmanship as defined in the specifications for 365 days one year WARRANTY PERIOD from the date of original shipment of the product DSS series shutters are additionally warranted to achieve two million cycles within the WARRANTY PERIOD as defined in the CYCLE WARRANTY CRITERION MANUFACTURER will at its own option within the WARRANTY PERIOD repair or replace without charge any listed item discovered to be defective excepting transportation charges Burned out or otherwise damaged actuator coils
14. aning agents 32 CISPR 11 2007 40 Cleaning Procedure Exterior 31 Cleaning Procedure Interior 32 Close 34 36 COM port 24 Commands 34 Conducted Emission Limits 40 Conducted Emissions Class A 40 Conducted Radio Frequency Immunity 40 Cover 5 CS 9 10 12 18 37 CSA 1 8 10 40 CYCLE WARRANTY 2 daisy chain 9 10 14 24 36 Daisy Chain Cable Configuration 25 Daisy Chain Configuration 24 Damage Precautions 6 Data bits 34 35 DC 5 9 DC POWER Connector 16 DC Power Plug 12 4 DC Power Supply 6 defects 11 Digital Multi Meter 28 Dimensions 29 DIP slide switches 23 DIP switch 37 DIP Switch Position 37 Directive s 40 DMM 28 DRIVER Indicator 36 DRIVER LED 12 DRIVER LED indicator 14 DSS Shutter 2 DURATION SELECT 18 ED12DSS driver 2 Electric Overload 5 Electric Shock 5 Electrical Fast Transient Burst Immunity 40 electronic sync 14 electronic synchronization 9 electronic synchronization circuit 18 23 electronic synchronization sensor 35 electronic synchronization system 16 Electrostatic Discharge Immunity 40 EMC 40 EMC 89 336 EEC 40 EN 61000 4 11 2004 40 EN 61000 4 2 2001 40 EN 61000 4 3 2006 40 EN 61000 4 4 2004 40 EN 61000 4 5 2006 40 EN 61000 4 6 2007 40 EN 61326 1 2006 40 Explosive Atmosphere 5 exterior cleaning 31 external control 28 external control inputs 28 External Input Characteristics 34 External Output C
15. ect the 810RJ to the host In most cases the corresponding 25 Pin D Sub pin out and MAC 8 Pin Mini DIN are as follows RJ45 RJ45 IBM IBM MAC HE popu mE ss DB NE MM Mini Receive Data Data testa 56 GND j SignlGoud 4 4 F uw JL Table 5 VDM1000 RS 232C Pin Outs All other pins are not used Be sure to connect the Tx pin Pin 3 from the IBM 9 Pin D Sub or Pin 2 from the 25 Pin D Sub male connector to the Rx pin Pin 5 of the VDM1000 RJ45 INPUT jack for proper operation Connect all other functions as indicated above By sending the proper commands the unit will respond by activating the proper function The RS 232C Test Program listed below will allow operation of the VDM1000 from the computer keyboard Daisy Chain Configuration Up to eight VDM1000 units can be daisy chained together through the same serial port using a Model 810RJ cable for each controller in the chain Figure 4 illustrates connecting two controllers from a single serial port Once connected each unit will require a unique address in the chain This is accomplished by adjusting the octal switch beneath the Dual RJ45 connector on the front panel to the desired address See ADDRESS Select under GENERAL CHARACTERISTICS in the SPECIFICATIONS section for a complete listing of the command range for each octal switch position The specific ocal command range set will decode commands sent via the serial port A set of global command
16. ed service personnel VDM1000 User Manual Safety Terms and Symbols These terms appear in this manual Warning statements identify conditions or practices that WARNING could result in injury or loss of life Caution statements identify conditions or practices that could result in damage to this product or other property CAUTION These symbols appear on the equipment ATTENTION Refer to user manual Direct Current VDC Input Only VDM1000 User Manual Preface This Manual provides information for the VDM1000 Shutter Driver The manual contains the following chapters Getting Started contains a brief product description information needed to power on the driver and a brief procedure to verify that it functions Operator Controls provide an outline of the panel control functions and locations at the front and rear panels This also includes the location and function of the input output signals Operating Basics gives further details to the operational features of the controller Specifications are described for all input output levels including other pertinent details and information required for the RS 232C interface Index contains a full index What follows is the complete operator s manual for the UNIBLITZ N CAS VDM1000 Shutter Driver Please read this manual completely before operating the unit Due to the construction of this unit Vincent Associates recommends that the unit be retu
17. el Operator Controls 15 Figure 2 VDM1000 Rear Panel Operator Controls and I O 17 Figure 3 VDM1000 Right Hand Panel Operator Controls 21 Figure 4 VDM1000 Shutter Driver Daisy Chain Cable Configuration 25 Figure 5 Overall VDM1000 Dimensions 29 Figure 6 Overall PS36 Power Supply Dimensions 30 VDM1000 User Manual General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use the product only as specified Only qualified personnel should perform service procedures Injury Precautions Use included Power Supply PS36 and proper Power Cord To avoid fire hazard use only the power cord supplied with this product Avoid Electric Overload To avoid electrical shock or fire hazard do not apply a voltage to a terminal that is outside the range specified for that terminal Avoid Electric Shock To avoid injury or loss of life do not connect or disconnect line cord while it is connected to the line voltage Ground the Product This product is grounded through the VDM1000 DC input connector and when using the PS36
18. electronic synchronization available from SYNC OUTPUT BNC TTL and can be read back from RS 232C interface e Synchronization system can be disabled via user selectable FUNCTION switch e Selectable pulse energy for operation of 35 mm and larger aperture shutter devices e Selectable pulse high current duration for specific shutters via 8 position octal switch e Aluminum enclosure with air slots for ventilation Internal fuse protection for all DC output voltages including shutter e Operates on 36VDC fuse protected e Power input to controller via 2 0 mm DC jack 36V DC 1 83A external power supply Model PS36 included Power input to supply 100 240 VAC 50 60 Hz Power supply is UL CE certified e Size HWD 1 96 x 4 34 x 7 23 in 49 9 x 110 3 x 183 6 mm controller e Size HWD 1 80 x 3 00 x 5 8 in 45 7 x 76 2 x 147 3 mm power supply Weight controller 1 2 16 0 54 Weight power supply 1 1 Ibs 0 50kg VDM1000 User Manual Introduction The VDM1000 is the optimal driver for the new UNIBLITZ N CAS NS series shutters It carries CE UL CSA certifications and conforms to the listed directives and standards Please see the Specifications section elsewhere in this document for specific information The driver has user selectable FUNCTION switches allowing it to handle a variety of shutter configurations It will operate an N CAS shutter configured as uni stable normally open or normally closed or bi s
19. ene reo ae na Ee ee dove see ea ede Ne vA TERES u i 7 PREP ACE u uuu yu w t t Co ente e 8 GEITING STARTED u au a vea eoo 8 CACUECS 8 liitrodiictipiu uy i Md E 10 Vic IC BI Y 11 Initial Operation and 12 OPERATOR C ONTROLS nu as u Q sss 14 VDM1000 Front Panel Operator Controls 14 VDM1000 Rear Panel Operator Controls 16 VDM1000 Right Hand Panel Operator Controls 18 OPERA TING BASICS u w i a iw DW ua 23 SWIIclesu 23 FS 252C Operalioii 24 Daisy Chai a u aus akak M 24 RS 003 0 eek 26 Trigger Cautions and Trouble Shooting Tips 28 Dimensio T P 29 ue 3l General dreosuuno sob EH E Hi 31 INS PECHON ANG Cleaning 31 Ins cC EXO
20. energy Return Disable high energy VDM1000 User Manual e A 6 position DIP switch used for configuration of different operating modes owitch A allows selection of active low or active high state for the Pulse Input BNC owitch B allows selection of active low or active high state for the SYNC Output BNC Switch C enables the driver circuits for bi stable operation default is uni stable operation owitch D disables the return driver circuit CS LS VS XHRS series shutters owitch E disables the synchronization sensor of a shutter owitch F allows the selection of additional pulse energy for the 35 mm and larger shutters DIP Switch Position DIP Switch Lower Upper active low active high active low active high disabled enabled enabled disabled enabled disabled 25 mm amp under 35 mm amp over e 8 position octal switch allows selection of different pulse voltage durations in units of msec e Applies to Uni stable Bi stable and Return Disable modes of operation e Return driver durations do not apply to Return Disable mode PULSE DURATION Switch Locations values in msec 31 2 3 4 D 6 7 3 3 6 6 10 6 15 8 20 10 25 2 30 15 35 18 drive return 20 10 30 15 40 20 50 25 60 30 70 40 80 50 90 60 drive return 3 3 6 6 10 10 15 15 20 20 25 25 30 30 35 85 drive return 20 20 30 30 40 40 50 50 60 60 70 70 80 80 90 90 drive return 8 10 12 15 2 25 drive only 3 35 5 70 90 120 drive only 37 General Characteristics cont
21. ght Hand Panel Operator Controls VDM 1000 User Manual 21 VDM 1000 User Manual Notes 22 Operating Basics Refer to the section describing the Initial Operation and Testing for initial preparation to put the VDM1000 into operation Function Switches There are six piano DIP slide switches located at the right side panel and labeled FUNCTION For specific functions see FUNCTION Select under GENERAL CHARACTERISTICS The switch actuators can be moved to the up or down position with a small non metallic tool Be sure the power is off and disconnected from the unit before attempting to change the FUNCTION switch settings 1 Switches A and B allow the user to select the active state of the BNC input and the BNC output respectively Switch A must be in lower active low position to activate the input from a remote activate cable such as 710R handheld or the 710R F foot CAUTION Do not connect 710R or 710 to the SYNC OUTPUT BNC This will damage the SYNC OUTPUT activated 2 Switch C is used to select either uni stable or bi stable mode for NS Series shutters Switch D is used to enable or disable the RETURN DRIVER circuit 4 Switch E will allow the user to disable the electronic synchronization circuit Slide switch to the up position to disable the electronic synchronization circuit This shuts off the infrared emitter internal to the shutter which in turn disables the SYNC OUTPUT BNC 5 Switch F selects HI
22. haracteristics 35 external power supply 38 female 5 pin push lock SwitchCraft connector 10 flow control 34 35 Front Panel controls 10 Front Panel Operator Controls 14 15 FUNCTION 9 10 23 28 Function amp Octal Switch Settings for All Available Shutter Series 20 FUNCTION DIP Switch Settings 19 FUNCTION Select 12 16 37 FUNCTION switch A 16 FUNCTION switch B 16 VDM 1000 User Manual FUNCTION switch E 16 FUNCTION switches 12 18 23 fuse 9 28 Fuse 5 Fuse Requirements 38 fuses 12 General Characteristics 36 General Care 31 General Safety Summary 5 Getting Started 8 global address locations 34 Ground 5 24 H Bridge type shutter driver 2 high voltages 28 HIGH LOW 23 IBM 9 Pin D Sub 24 IEC 33 38 Index 8 infrared emitter 18 23 Initial Operation and Testing 12 23 Injury Precautions 5 INPUT 14 input commands 34 36 Input impedance 34 inspection 31 Inspection Exterior 31 Inspection Interior 32 Inspection and Cleaning 31 internal sync circuit 16 Introduction 10 LabView 25 LED 10 LIMIT OF LIABILITY 2 line cord 31 local address locations 34 LOW VOLTAGE 40 LS 9 10 12 18 37 MAC 8 Pin Mini DIN 24 Maintenance 31 Maximum low level 34 35 Maximum peak pulse power 33 Maximum pulse width 34 Maximum sink current 34 35 Maximum source current 34 35 minimum exposure pulse 13 28 Minimum high level 34 35 Minimum pulse width
23. hutter s electronic sync is activated Functions only if the shutter used 1s equipped with the Solid State Synchronization system POWER LED indicator A green LED indicating that power is being provided to the unit N O N C Toggle switch The N O N C switch acts to invert the shutter operation The position of this switch determines shutter status BEFORE a trigger signal is received by VDM1000 In the N C position the shutter will be activated open by an input pulse signal In the N O position the shutter will be activated closed ADDRESS Select switch Rotation of the 8 position octal rotary switch selects the active RS 232C address of the unit See ADDRESS Select under GENERAL CHARACTERISTICS VDM1000 User Manual 14 CS zas MODEL VDM1000 SHUTTER DRIVER NEUES DRIVER SYNC POWER C OUTPUT Figure 1 VDM1000 Front Panel Operator Controls VDMIOOO User Manual 15 VDM1000 Rear Panel Operator Controls Please Refer to Figure 2 1 PULSE INPUT BNC Allows control of the shutter exposure and frequency from a TTL signal source The pulse duration determines the shutter exposure interval The frequency of the signal presented to this input determines the frequency of shutter exposures This input can be set active high or active low by FUNCTION switch A See FUNCTION Select under GENERAL CHARACTERISTICS SYNC OUTPUT BNC This output is for shutters equipped with the Electronic Synchronizatio
24. ircuit In the UP position it disables the electronic sync which then shuts off the infrared emitter internal to the shutter which 1n turn disables the SYNC OUTPUT f Switch F is used to select the proper pulse energy for the shutter being driven Unless otherwise instructed by the actual shutter type used switch to the HIGH up position for 35mm aperture and larger types switch to the LOW down position for all other shutter types See chart below and in FUNCTION Select section of GENERAL CHARACTERISTICS A summary of the DIP Switch FUNCTION settings is provided below VDM1000 User Manual 18 DIP Switch Lower Upper X Funcdion PULSE INPUT A active low active high SYNC OUTPUT active low active high enabled disabled SYNC Sensor enabled disabled Pulse Energy F 25 mm amp under 35 mm amp over Table 3 FUNCTION DIP Switch Settings B Bi stable Mode C disabled enabled D E VDMIOOO User Manual 19 Please see the table below for recommended function amp octal switch settings for all available shutter series Shutter Series A D E Octal Switch Pulse Duration Down Table 4 Function amp Octal Switch Settings for All Available Shutter Series Switches and do NOT affect shutter performance N A denotes Not Applicable Open Close pulse duration VDMIOOO User Manual 20 FUNCTION SWITCHES lt PULSE DURATION Figure 3 VDM1000 Ri
25. ls 1 0 17 receive 24 Relative Humidity 38 remote 23 Repeat Exposure 33 Return Driver 37 RETURN DRIVER 23 Return Driver circuit 18 RETURN MATERIAL AUTHORIZATION 2 Right Hand Panel Operator Controls 18 21 right side panel 10 RJ45 10 24 RS 232 Global Address Code Locations 34 RS 232 Test Program 26 RS 232C 9 10 24 RS 232C Dual RJ45 female jack 14 RS 232C Operation 24 RS 232C OUTPUT 35 RS 232C Pin Outs 24 RS 232C Test Program 24 Rx 24 Safety Terms and Symbols 7 serial COM port 14 serial port 10 14 24 36 Shutter 16 Shutter Drive 33 shutter interface connector 8 shutter output 10 SHUTTER Output 16 Size 38 Size controller 9 size power supply 9 Slo Blo 38 solid state synchronization 12 14 Source impedance 35 Specifications 8 33 Start Up 11 12 Stop bit 34 35 Storage Temperature 38 Surge Immunity 40 Suspected Failures 6 43 Switch A 18 23 37 Switch B 18 23 37 Switch C 18 23 37 Switch D 18 23 37 Switch 18 23 37 Switch F 18 23 28 37 SwitchCraft 8 SYNC 9 12 SYNC Indicator 36 SYNC LED 12 16 SYNC LED indicator 14 SYNC Off 34 36 SYNC On 34 36 SYNC OUTPUT 18 35 37 SYNC OUTPUT BNC 36 SYNC OUTPUT BNC 9 12 16 18 23 SYNC Sensor 37 Synchronization 14 System Characteristics 33 technical support 25 Teflon 28 termination 10 transmit 24 Trigger Cautions 28 Trouble Shooting Tip
26. mm male jack 10 25 Pin D sub 24 25 Pin D Sub male 24 35 mm 37 36VDC 9 510A 10 16 38 510A shutter interconnect cable 8 12 5 pin Female 8 5 pin female SwitchCraft receptacle 12 5 pin female to 5 pin male SwitchCraft 10 5 pin male SwitchCraft connector 12 5 pin SwitchCraft male 16 5 pin SwitchCraft female 16 5 Pin SwitchCraft Female Receptacle Pin Out 16 701AR S5 Shutter Adapter Cable 39 701A S5 Shutter Adapter Cable 39 710A 9 710A shutter cable 39 710R 23 710R remote hand held trigger cable 39 710R F 23 710R F remote foot switch trigger cable 39 810RJ 9 10 24 810RJ RS 232C interconnect serial cable 39 8 Pin Mini DIN 24 8 position octal switch 18 910RJF 24 910RJF female DB9 to RJ45 adapter 39 910RJM male DB9 to RJ45 adapter 39 92 31 EEC 40 93 68 EEC 40 abrasive cleaners 31 AC 11 AC line cord 38 AC module 11 active high 35 37 VDMIOOO User Manual Index active low 35 37 ADDRESS 10 ADDRESS Select 24 36 ADDRESS SELECT switch 14 ADDRESS Switch 36 Altitude 38 Aluminum enclosure 9 Applicable Certifications 40 Applied Standards 40 Baud rate 34 bi stable 8 10 18 bi stable mode 23 37 bi stable operation 37 BNC 9 10 16 18 23 34 BNC input 23 BNC output 23 calibrated 31 case 31 CE 1 8 9 10 40 CE UL CSA 1 8 10 certifications 1 8 10 CFR Part 15 Subpart B 40 Checklist 38 Check Sync 34 36 chemical cle
27. n System option The shutter s internal sync circuit sets the BNC output to an active state when the sync circuit becomes active The output goes active when the shutter reaches 80 of full open and goes to the inactive state when the shutter reaches 20 closed The front panel SYNC LED illuminates when the shutter s electronic sync 15 active This output can be disabled with FUNCTION switch E The SYNC output can be set active high or active low by FUNCTION switch B See FUNCTION Select under GENERAL CHARACTERISTICS ON OFF Power Switch Power switch 0 is OFF 1 is ON DC POWER Connector 2 mm jack for power input Center terminal is PLUS SHUTTER Output A 5 pin SwitchCraft female push lock type receptacle mates with the 5 pin SwitchCraft male plug of the 510A 3 meter interconnect cable included with the unit Pin out as follows wire colors indicate 510A cable and shutter wiring layout respectively Shutter 510A shutter Actuator Drive Output Shutter Actuator Drive Output Table 1 5 Pin SwitchCraft Female Receptacle Pin Out VDM1000 User Manual 16 oN D IN GAS SHUTTER PULSE SYNC INPUT OUTPUT FUSE 2A T Figure 2 VDM1000 Rear Panel Operator Controls and I O VDMIOOO User Manual 17 VDM1000 Right Hand Panel Operator Controls Please refer to Figure 3 1 PULSE DURATION An 8 position octal switch that allows the selection of different pulse v
28. nternal to the unit It is recommended that if a fuse blows to return unit for fuse replacement Also particular shutter units respond to different minimum pulse VDM1000 User Manual 12 widths For example a standard NS25S uni stable shutter has a minimum exposure pulse of 1315 If the exposure PULSE INPUT is set for an exposure pulse width less than 13ms the shutter may not open fully If the unit still does not operate properly please notify Vincent Associates immediately VDMIOOO User Manual 13 Operator Controls VDM1000 Front Panel Operator Controls Please Refer to Figure 1 1 RS 232C Dual RJ45 female jack Provides access to the VDM1000 RS 232C interface allowing the user to control functions via commands sent from a computer serial COM port The INPUT jack accepts commands directly from a computer s serial port or from another VDM1000 in the daisy chain The OUTPUT jack allows the controller to send commands to the next controller in the daisy chain Synchronization read back is only available when a single unit talk listen is being controlled through the RS 232C input If multiple units are daisy chained only commands sent will operate the chained devices listen only DRIVER LED indicator A green LED indicating when the internal shutter driver circuit input has an active signal present SYNC LED indicator Indicates status of Solid State Synchronization output This yellow LED is illuminated when s
29. oltage durations in units of milliseconds ms See PULSE DURATION Select under GENERAL CHARACTERISTICS Pulse Duration Octal Switch Locations Mode of Operation 1 2 3 4 5 6 7 66 10 6 15 8 20 10 25 2 30 5 35 18 drive return 20 10 30 15 40 20 50 25 60 30 70 40 80 50 90 60 drive return 6 6 10 10 15 15 20 20 25 25 30 30 35 35 drive return 20 20 30 30 40 40 50 50 60 60 70 70 80 80 90 90 drive return 3 6 8 10 12 15 20 25 drive only Return Disable high energy 20 25 30 3 5 70 9 120 drive only Table 2 VDM1000 Octal Switch Pulse Duration Settings 2 FUNCTION Switches Six edge actuated piano DIP slide switches a Switch is used to select the active state of the PULSE INPUT BNC connector b Switch 15 used to select the active state of the SYNC OUTPUT BNC connector See FUNCTION Select under GENERAL CHARACTERISTICS c Switch C allows the user to select between uni stable and bi stable modes for the NS series shutters In the upper position switch C selects the bi stable mode d Switch D allows the user to disable the Return Driver circuit CS LS VS and XRS series shutters do not require the Return Driver circuit so when driving these types be sure to disable the return circuit In the upper position switch D disables the return driver while the lower position enables the drive circuit for NS series shutters e Switch E allows the user to disable the electronic synchronization c
30. quires SYNC sensor of applicable shutter to be present 1 global 8 local address locations for commands see ADDRESS Select specification for octal switch settings of local address locations Command transmission time 0 94 ms See sample RS 232 test program RS 232 Global Address Code Locations Commands Decimal HEX Binary ASCII Check Sync 077 00111111 Open 100 01000000 Close 101 01000001 A Indicates SYNC On 112 01001010 J Indicates SYNC Off 113 01001011 K receive data receive data receive data transmit data transmit data VDM1000 User Manual 34 External Output Characteristics SYNC OUTPUT BNC Rear Panel HS 232C OUTPUT Lower RJ45 Jack Front Panel VDMIOOO User Manual Active low or active high selectable with FUNCTION switch B oource impedance 1K ohms Maximum source current 6 8 mA Maximum sink current 25 mA Maximum low level 0 5 VDC Minimum high level 4 5 VDC This output becomes active when applicable shutter is equipped with electronic synchronization sensor Baud rate 9600 8 Data bits 1 Stop bit No Parity No flow control DTE type output This output provided for daisy chain application of up to 8 VDM1000 or VCM VRM series controllers 35 General Characteristics _ Name E ats e Green 3mm LED indicates when DC power is present F 752 C j DRIVER Indicator Front Panel e Green 3mm LED indicates when the shu
31. rned to the manufacturer for repair There are no user serviceable parts inside Getting Started Features CE UL CSA certifications Microprocessor controlled RoHS Compliant Operates N CAS shutters purchased in a bi stable or uni stable configuration 5 pin Female SwitchCraft locking shutter interface connector 510A shutter interconnect cable included for NS series shutters 5 pin male SwitchCraft to 5 pin female SwitchCraft 3 meters VDM 1000 User Manual Operates existing UNIBLITZ shutters such as CS LS VS and XRS series The optional 710A interconnect cable is required when connecting these shutter types This cable is not included and can be purchased separately Normally open or normally closed shutter operation in uni stable mode e Indicators for power driver and SYNC status e Exposure determined by external pulse BNC TTL or switch contact closure to the PULSE INPUT BNC e SYNC OUTPUT BNC can be selected for either active low or active high operation e PULSE INPUT BNC can be selected for either active low or active high operation RS 232C input and output connection accessible via dual RJ45 jack e Input and output controllable via RS 232C interface RS 232C input addressable via 8 selectable addresses Up to 8 units can be controlled independently from one computer serial port e Units can be easily daisy chained together with optional RJ45 cable Model 810RJ not included e Status of
32. s Inspect the outer case for any signs of visible damage Pay particular attention to the condition of the power supply line cords If there are any signs of damage or deterioration replace immediately with an approved line cord Follow the Exterior inspection and Cleaning Procedures below Inspection and Cleaning Inspection Exterior Inspect the outside of the VDM1000 for damage wear and missing parts A device that appears to have been dropped or shows other signs of exterior damage should be checked thoroughly to verify correct operation and performance If damage 15 suspected please return the unit to factory for repair there are no user serviceable parts Cleaning Procedure Exterior 1 Remove loose dust on the outside of the VDM1000 with a lint free cloth CAUTION 2 Remove remaining dirt with a lint free cloth dampened in a general purpose detergent and water solution Do not use abrasive cleaners VDM 1000 User Manual 31 3 Avoid the use of chemical cleaning agents that might damage the painted finish of the controller s housing Use only a dry lint free cloth to wipe down the unit DO NOT USE ALCOHOL TO CLEAN THE PANELS THIS WILL REMOVE THE SCREEN PRINTING FROM THE PANELS Before using any other type of cleaner consult your factory representative Inspection Interior Do not attempt to open the case of the VDM1000 There are no other user serviceable parts inside the case Cleaning Proced
33. s 28 TTL 9 10 16 34 VDMIOOO User Manual Tx 24 UL 1 8 9 10 40 UL 61010 1 CSA C22 2 40 uni stable 8 10 18 uni stable mode 9 23 uni stable operation 37 Upper RJ45 Jack 34 User s Manual 38 user serviceable parts 31 32 VDM1000 5 8 10 12 14 16 18 23 24 25 28 31 Vincent Associates 11 vincentassociates uniblitz com 25 visible damage 31 Voltage Dips Interruptions and Variations 40 VS 9 10 12 18 37 VS25 28 warranty 2 28 Weight 38 weight controller 9 weight power supply 9 Wet Damp Conditions 5 www uniblitz com 25 XRS 9 10 12 18 37 44
34. s 15 also available to control all units connected to the serial port VDM1000 User Manual 24 NC o 2 sisi Z22295 ox CX lt 910RJF OPTIONAL ADAPTER ADAPTER Figure 4 VDM1000 Shutter Driver Daisy Chain Cable Configuration The following is a test program written to test the input commands to the RS 232C interface of the VDM1000 controller This program and LabView programs not listed are available by downloading from the RESOURCES section of our web site www uniblitz com request via e mail vincentassociates uniblitz com or calling 800 828 6972 Other programs may be available please contact technical support for further information VDM1000 User Manual 25 RS 232 Test Program REM PROGRAM TO SEND DECIMAL COMMANDS TO 5232 SERIAL INTERFACE REM WRITTEN BY RICHARD ST LOUIS VINCENT ASSOCIATES REM 1ST VERSION 3 26 2008 CLS 0 1 WHILE K OPEN 9600 8 1 50 050 FOR RANDOM AS 1 J 64 C X MENU PRINT PRINT PRINT PRINT WAITING FOR KEYSTROKE COMMAND PRINT TYPE PRINT VDM1000 PRINT PRINT OPEN Shutter PRINT C CLOSE Shutter I PRINT Y SYNC State Check PRINT PRINT 5 SET Octal Switch Address PRINT Current Decimal Range J 1 J 1 PRINT Current Octal Address Value C PRINT PRINT Q QUIT Program PRINT PRINT START A INKEY IF A O OR A o THEN PRINT 1 CHR J PR
35. table where no power is required to hold the shutter open or closed In addition to this capability the N CAS drive circuit can be disabled allowing the VDM1000 to operate standard CS LS VS and XRS series shutters Simple and straightforward Front Panel controls allow the VDM1000 to be easy to use and configure LED indicators indicate shutter status at a glance A toggle switch allows easy selection of normally open or normally closed operation Addressable RS 232C control is also available via the dual 8 pin RJ45 jack Daisy chain multiple VDM1000 units together by connecting the RJ45 output of one controller to the RJ45 input of the next controller in the chain using an 810RJ cable The unit s specific address in the chain is selected via the ADDRESS rotary octal switch allowing up to eight units to be individually controlled via one computer serial port The Rear Panel contains BNC connectors for PULSE INPUT as well as an output for the electronic synchronization SYNC OUTPUT The BNC connectors allow for quick termination of TTL command signals Power is supplied to the VDM1000 via 2 0 mm male jack from the plug of the external power supply center terminal is positive The PS36 Power supply is included with the VDM1000 to provide power however an equivalent user supplied power supply can also be used The Shutter output is a female 5 pin push lock SwitchCraft connector A bank of user selectable FUNCTION switches is accessible on the right
36. tter driver circuit Is active e This LED will illuminate with or without the load of a shutter s actuator coll e Yellow 3mm LED indicates when a shutter s electronic synchronization sensor is active SYNC OUTPUT BNC will be active only when this LED is illuminated Shutter used must have the electronic SYNC option installed SYNC Indicator Front Panel ADDRESS Select Octal rotary DIP switch Front Panel e 8 position octal switch allows selection of individual local address locations for input commands sent by a computer s serial port e Output commands do not apply for local selections O to 8 e Used for daisy chain application from one computer host serial port RS232C Commands ADDRESS Switch Decimal Locations x don t care O0 1 3 4 5 6 Check Sync Open Close Indicates SYNC On Indicates SYNC Off VDM1000 User Manual 127 143 128 144 129 145 N A N A N A N A 1 5 191 1 6 192 177 193 N A N A N A N A 207 223 208 224 209 225 N A N A N A N A Decimal Decimal Decimal Decimal Decimal General Characteristics cont d FUNCTION Select 6 position piano DIP switch Right Side Panel Function PULSE INPUT SYNC OUTPUT Bi stable Mode Return Driver SYNC Sensor Pulse Energy PULSE DURATION Select Octal Rotary Switch Right Side Panel Mode of Operation Uni stable low energy Uni stable high energy Bi stable low energy Bi stable high energy Return Disable low
37. umes that the FUNCTION switches are set up for the proper shutter used uni stable bi stable or CS LS VS or XRS types Please see FUNCTION Select under GENERAL CHARACTERISTICS All UNIBLITZ drivers provide the circuitry necessary to support shutters equipped with the solid state synchronization option Simply plug the shutter interconnect cable into the driver If your shutter is equipped with this option the yellow LED labeled SYNC will illuminate when the shutter 1s 1n the open position In addition the SYNC OUTPUT BNC will change to the active state when the shutter is open The absence of the solid state synchronization option will only inhibit the operation of the SYNC output and SYNC LED The remainder of the VDM1000 systems will not be affected In addition the synchronization system can be disabled by sliding the FUNCTION switch E to the upper position See SPECIFICATIONS and OPERATOR CONTROLS for additional operational information concerning other systems of the VDM1000 Should the shutter and or control not respond as described previously be sure the DC power plug from the PS36 power supply is properly seated into the DC power input jack and connection to the shutter are made properly to the rear of the controller Be sure the line cord is installed into the PS36 input power receptacle CAUTION Turn off the unit and remove the plug from the AC source before removing the dc power plug from the VDM 1000 Be advised all fuses are i
38. ure Interior Do not attempt to open the case of the VDM1000 There are no other user serviceable parts inside the case VDMIOOO User Manual 32 Specifications System Characteristics Repeat Exposure e 10 ms minimum between exposures for 25 mm aperture diameter and smaller shutters e 20 ms minimum for 35 mm aperture and larger shutters Ea el 5 C 7 7 77 7 772 7 C Shutter Drive Continuously variable frequency of exposures from DC to the shutter s maximum rate Maximum peak pulse power 91 W Pulse voltage 33 VDC Pulse current 2 75 A test conditions standard 5 Volt 12 ohm coil cycled with 20 ms exposure at 5 Hz _ _ Power Supply e External tabletop switching supply e Output 36 VDC 1 83A 66W e Input 100 240 VAC 50 60 Hz 1 5A e IEC type inlet e Output 2 mm DC plug Center is positive VDMIOOO User Manual 33 External Input Characteristics PULSE INPUT Active low or active high selectable with FUNCTION BNC switch A Rear Panel Input impedance 4 7K ohms Maximum source current 100 HA Maximum sink current 11A Minimum pulse width determined by applicable shutter Maximum pulse width unlimited TTL compatible Minimum high level 2 0 VDC Maximum low level 0 8 VDC RS 232C INPUT Upper RJ45 Jack Front Panel Baud rate 9600 8 Data bits 1 Stop bit No Parity No flow control Null modem type input 3 input commands recognized 2 output read backs available re
39. wn below in Figures 5 and 6 respectively QTE ITE even Q Q Figure 5 Overall VDM1000 Dimensions VDM1000 User Manual 29 GREEN POWER LED CENTER Figure 6 VDM 1000 User Manual IS POSITIVE i D 1 0 STANDARD 5 5 2 1 OUTPUT 22 08 CONNECTOR Bl 6 FT 75 6 2 98 43 3 1 71 AC INLET CONNECTOR ALL DIMENSIONS MAX IEC 320 C14 MM INCH CORD LENGTH OMITTED IN SOME VIEWS FOR CLARITY Overall PS36 Power Supply Dimensions 30 Maintenance Proper care and maintenance of the unit should be taken as with any electronic instrument With the exception of line and shutter fuse replacement there are no user serviceable parts outside or inside of the VDM1000 There is no service to be performed by the user other than exterior inspection for visible damage of the case and line cord and exterior cleaning Although the stability of the timing and drive voltage is assured and calibrated prior to shipment it may become necessary to make some minor adjustments to the operating systems of the VDM1000 over time It is highly recommended that if you suspect a problem with your unit WARNING that it be returned to the factory for proper adjustments and calibration The unit s complicated circuitry will be damaged and or not function as specified if inadvertently adjusted improperly General Care Perform routine inspection of the VDM1000 on a regular basi

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