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VMM-T1 User Manual

Preface

This Manual provides information for the

VMM-T1 Shutter Driver/Timer

. 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 controllers.

•

Specifications

are described for all input/output levels as well as timing accuracy of the

VMM-

T1 Shutter Driver/Timer

including other pertinent details and information required for the RS-

232 interface.

•

Index

contains a full index.

What follows is the complete operator’s manual for the

UNIBLITZ



VMM-T1 Shutter

Driver/Timer

Please read this manual completely before operating your unit. Due to the

construction of this unit, we recommend that the unit be returned to the manufacturer for
repair, no user-serviceable parts inside.

Summary of Contents for VMM-T1

Page 1: ...User Manual VMM T1 Shutter Driver Timer 14 0020 Version 2 00 2013 1 800 828 6972 ...

Page 2: ... material Due to our ongoing development program Vincent Associates reserves the right to discontinue or change specifications or designs at any time without incurring any obligation Version 2 00 2013 Vincent Associates a Division of VA Inc 803 Linden Ave Rochester NY 14625 Tel 585 385 5930 Fax 585 385 6004 UNIBLITZ is a registered trademark of VA Inc Printed in the U S A ...

Page 3: ... 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...

Page 4: ...ols 15 VMM T1 Rear Panel Operator Controls 19 OPERATING BASICS 23 Function Switches 23 Gate Input 23 RS 232C Operation 25 RS 232C Test Program 27 Shutter Frequency of Operation 30 Trigger Cautions and Trouble Shooting Tips 30 Pulse Voltage Graphs 31 Dimensions 32 Maintenance 32 General Care 33 Inspection and Cleaning 33 Inspection Exterior 33 Cleaning Procedure Exterior 33 Inspection Interior 33 C...

Page 5: ...unding 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 SUPPLIED LINE CORD Access to On Off Switch Due to the location of the unit s On Off switch on the rear panel do not position the unit such that the On Off switch is difficult to access an...

Page 6: ...6 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 qualified service personnel ...

Page 7: ...terms appear in this manual CAUTION Warning statements identify conditions or practices that 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 WARNING ...

Page 8: ...on of the input output signals Operating Basics gives further details to the operational features of the controllers Specifications are described for all input output levels as well as timing accuracy of the VMM T1 Shutter Driver Timer including other pertinent details and information required for the RS 232 interface Index contains a full index What follows is the complete operator s manual for t...

Page 9: ...t is the DELAY timer output on a three pin terminal located on the rear panel This terminal also includes pins for 5VDC and Ground A GATE INPUT which allows the user to select a single or multiple trigger signals from a stream of trigger signals An EXPOSURE PRESET EXP PRESET control which combines the functions of the NORM CONT switch of the previous Model T132 and an exposure counter The user can...

Page 10: ...ressable RS 232C input By using the Model 910RSDC daisy chain cable multiple controllers can be connected and controlled Eight separate addresses are available which allows up to eight units to be individually controlled by a single computer serial port The patented driver design of the VMM T1 allows the controller to operate all shutter types in the UNIBLITZ product line A Model 710C 7 pin female...

Page 11: ...C module power switch to the 1 position Power LED indicator will illuminate Line Fuse Replacement 1 A small flat bladed screwdriver or similar tool is needed to complete this procedure Please refer to Figure 1 2 BE SURE THE LINE CORD IS DISCONNECTED FROM THE LINE VOLTAGE POWER SOURCE DO NOT CONTINUE WITH THIS PROCEDURE WITHOUT REMOVING THE LINE CORD FROM THE VMM T1 3 Unplug the line cord from the ...

Page 12: ...ck and close the cover door The desired line voltage will be indicated in the cover door window Shutter Fuse Replacement 1 Please refer to Figure 2 for VMM T1 front panel layout 2 A medium flat bladed screwdriver or similar tool is needed to complete this procedure 3 Power the unit OFF and disconnect the line cord from the line voltage power source 4 Position the VMM T1 unit such that the front pa...

Page 13: ... the N O N C switch into the N O position The shutter will open and remain open until the switch is returned to the N C position The DRIVER ACTIVE LED will illuminate when this switch is in the N O position 7 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 the...

Page 14: ...ease note that particular shutter units respond to different minimum pulse widths For example a standard VS25 shutter has a minimum exposure pulse of 6 msec If the timing is set for an exposure pulse width less than 6 msec the shutter may not open fully 12 If the unit still does not operate properly turn off and disconnect the unit Please notify Vincent Associates immediately There are no user ser...

Page 15: ...E interval by a factor of 10 6 EXP PRESET Select Two pushwheel switches that determine the number of exposure cycles the unit will count up to per trigger input A setting of 00 allows the unit to run continuously until reset In the 00 or continuous setting the time between exposures is determined by the DELAY time interval 7 SYNC ACTIVE Indicator Green LED indicates the status of the Solid State S...

Page 16: ... fuse may fail if the shutter is operated at an excessive frequency and duty cycle to protect the coil from premature failure If the operation of the shutter used is causing nuisance blowing of this fuse please contact technical support to discuss your application 14 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 ...

Page 17: ...VMM T1 User Manual 17 VINCENT ASSOCIATES A V Figure 2 VMM T1 Front Panel Operator Controls ...

Page 18: ...VMM T1 User Manual 18 Notes ...

Page 19: ...s the shutter on the next trigger edge c Pulse starts EXPOSURE and DELAY interval sequence d This input operates in conjunction with the GATE INPUT BNC e When the GATE INPUT is active default selection the TRIGGER INPUT will be enabled f This input can be set active high or active low by FUNCTION switch A See FUNCTION SELECT under GENERAL CHARACTERISTICS 5 RESET INPUT BNC Inhibits VMM T1 timing fu...

Page 20: ...Detector Transistor Output f Pin F 6 75 VDC Sync Power Source g Pin H Shutter Ground 8 115 VAC 60Hz 230 VAC 50Hz Input Module Mates with female IEC plug on supplied line cord Includes the following additional functions a Power switch 0 is off 1 is on b Power fuses 3AG 0 5A time lag slo blo for 115 VAC 60Hz 2 required 3AG 0 25A time lag slo blo for 230 VAC 50Hz 2 required See LINE FUSE REPLACEMENT ...

Page 21: ...synchronization circuit becomes energized d The output goes active when the shutter reaches 80 of full open and goes to the non active state when the shutter reaches 20 closed e The front panel SYNC ACTIVE LED illuminates when the synchronization sensor is active 12 PULSE INPUT BNC Allows control of the shutter exposure and frequency from a TTL signal source a The pulse duration determines the shu...

Page 22: ...VMM T1 User Manual 22 Figure 3 VMM T1 Rear Panel Operator Controls and I O ...

Page 23: ... is selected LOW c When the switch actuator is in the UP position the pulse energy is selected HIGH Gate Input The GATE INPUT BNC is used in conjunction with the TRIGGER INPUT BNC This allows the user to select one or a finite number of trigger pulses to trigger the controller from a continuous stream of pulses presented at the TRIGGER INPUT Please see Figure 4 The following description assumes th...

Page 24: ...he number of exposures desired Please note The VMM T1 TRIGGER INPUT triggers the internal timers The EXP PRESET will determine the number of cycles which is the combination of EXPOSURE and DELAY time Figure 4A 4B Gate Input Timing Diagram TRIGGER SIGNAL STREAM ACTIVE LOW HIGH GATE PULSE TWO PULSES ALLOWED TO TRIGGER UNIT TRIGGER PERIOD TRIGGER PERIOD TRIGGER SIGNAL STREAM ACTIVE LOW GATE SIGNAL AC...

Page 25: ...ound 5 5 7 4 4 General Pin Outs for 25 Pin D Sub and MAC 8 Pin Mini DIN All other pins 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 2 of the VMM T1 9 pin D SUB female connector located on the rear panel for proper operation Connect all other functions by type as indicated above By sending the proper commands t...

Page 26: ...ain This is accomplished by adjusting the octal switch beneath the 9 pin D SUB connector on the rear panel to the desired command range 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 command range set will decode commands sent via the serial port A set of ALL commands is also ava...

Page 27: ...RFACE AND VMM T1 REM WRITTEN BY STEVE PASQUARELLA VINCENT ASSOCIATES REM LAST REVISION 7 29 99 BY RICHARD ST LOUIS REM COMPUTER LANGUAGE USED Microsoft Quick Basic ver 4 0 CLS 0 K 1 WHILE K OPEN COM1 9600 N 8 1 CS0 DS0 FOR RANDOM AS 1 J 64 C X MENU PRINT PRINT PRINT PRINT WAITING FOR KEYSTROKE COMMAND PRINT TYPE PRINT VMM T1 PRINT PRINT O OPEN Shutter PRINT C CLOSE Shutter PRINT T TRIGGER Control ...

Page 28: ...OL RESET COMMAND SENT GOSUB TIMEOUT GOTO MENU ELSEIF A G OR A g THEN PRINT 1 CHR J 4 PRINT AUX OPEN COMMAND SENT GOSUB TIMEOUT GOTO MENU ELSEIF A LF OR A f THEN PRINT 1 CHR J 5 PRINT AUX CLOSE 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 WEND END TI...

Page 29: ...EN J 144 C 1 ELSEIF B 2 THEN J 160 C 2 ELSEIF B 3 THEN J 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 J 240 C 7 ELSE J 64 C X END IF PRINT STARTING ASCII DECIMAL J GOSUB TIMEOUT CLS 0 RETURN ...

Page 30: ...quate 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 coated shutter blades has a minimum exposure pulse of 6 msec If the timing or pulse width is set for an exposure pulse width less than 6 msec the...

Page 31: ...13 0 15 0 18 0 20 0 23 0 25 0 28 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 Exposure Time msec Pulse Voltage 5 Hz 10 Hz 15 Hz 20 Hz 25 Hz 30 Hz 35 Hz 40 Hz Pulse Voltage vs Frequency at Select Exposure Time 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 0 5 0 8 0 10 0 13 3 15 0 17 2 20 0 22 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 Frequency Pulse Voltage 1 msec 5 msec 10 msec 15 msec 20 msec 25 ...

Page 32: ...er other than exterior inspection for visible damage of the case and line cord and exterior cleaning The only user service that can be performed is Fuse Replacement or Line Voltage Change procedures Although the stability of the drive voltage is checked and calibrated prior to shipment it may become necessary to make some minor adjustments to the operating systems of the VMM T1 over time It is hig...

Page 33: ...ly to verify correct operation and performance If damage is suspected please return the unit to the factory for repair there are no user serviceable parts Cleaning Procedure Exterior 1 Remove loose dust on the outside of the VMM T1 with a lint free cloth 2 Remove remaining dirt with a lint free cloth dampened in a general purpose detergent and water solution Do not use abrasive cleaners Inspection...

Page 34: ... or continuous 00 selectable with EXP PRESET 2 digit pushwheel switches 35 msec minimum between exposures 100 msec minimum for 35 mm and larger aperture shutters Accuracy Exposure and Delay 0 5 all ranges crystal time base Maximum 20 µS propagation delay from application of trigger to pulse applied to driver Typical 5 7 µS delay Shutter Drive Continuously variable frequency of exposures from DC to...

Page 35: ... ohms Source current 100 µA Active low or active high selectable with FUNCTION slide switch C Minimum pulse width required to ensure reset 100 µs TTL compatible Minimum high level 2 0 VDC Maximum low level 0 8 VDC Sink current 1 0 µA GATE INPUT BNC Rear Panel Input impedance 50K ohms Source current 100 µA Active low or active high selectable with FUNCTION slide switch D Minimum pulse width determi...

Page 36: ...0 µA RS 232C Input DB 9 Female Null Modem type input Baud rate 9600 8 Data bits 1 Stop bit No parity No flow control Command transmission time 0 94 msec 4 commands available 1 global address location for commands 8 local address locations for commands see ADDRESS SELECT specification for switch settings of local address locations Also see RS 232 Test Program Global Address Codes RS232C Commands De...

Page 37: ...ow level output voltage 0 5 VDC Minimum High Level 4 5 VDC This output provided for shutters equipped with the Electronic Synchronization SYNC option Delay Out AUX Pin 1 Rear Panel Active high only Source impedance 1K ohms Maximum source current 5 0 mA Maximum sink current 100 mA Maximum high level output voltage 5 0 VDC Duration time determined by Delay Time setting Delay interval can be set befo...

Page 38: ... EXPOSURE time base is active DELAY Indicator Front Panel Green 3mm LED indicates when DELAY time base is active ADDRESS Select Octal Rotary Switch Allows selection of individual local address locations of commands sent by a PCs serial port ADDRESS Switch Positions x don t care or global RS232 Commands X 0 1 2 3 4 5 6 7 Open 64 128 144 160 176 192 208 224 240 Decimal Close 65 129 145 161 177 193 2...

Page 39: ...C power entry module See Voltage Change instructions Fuse Requirements Two 0 5 Amp T slow blow 3AG for 115 VAC line Two 0 25 Amp T slow blow 3AG for 230 VAC line One 0 6 Amp T slow blow 5 x 20 mm for Shutter actuator coil See LINE FUSE REPLACEMENT instructions for AC power fuse change Operating Temperature 5 C to 40 C 41 F to 104 F Storage Temperature 20º C to 55ºC 4 F to 131 F Size HWD 2 638 x 5 ...

Page 40: ...ses User Manual Checklist Optional Accessories Not Supplied Model 710R Remote handheld trigger cable for use with active low BNC Model 710R F Remote footswitch trigger cable for use with active low BNC Model 910RSDC RS 232C interconnect cable for daisy chain applications One 1 cable required per unit in the chain Model 910RS RS232C interconnect cable for serial port ...

Page 41: ...edure Exterior 39 Cleaning Procedure Interior 39 Close 42 44 close command 17 18 22 30 33 COM port 29 Covers 5 daisy chain 9 10 21 30 DB 9 21 defects 10 delay 10 40 DELAY 9 16 17 21 22 23 27 29 DELAY Indicator 44 delay interval 10 16 17 18 40 43 DELAY LED 16 DELAY MULTIPLIER 16 18 Delay Out 23 43 DELAY TIME SELECT 10 DELAY timer 17 DELAY TIMER SELECT 16 Digital Multi Meter 35 Dimensions 38 DMM 35 ...

Page 42: ... C 18 N O 18 N O N C switch 14 17 18 21 22 N O N C Toggle switch 17 Normally Closed 18 Normally Open 18 Notes 20 NULL MODEM 35 null modem cable 29 octal switch 30 On Off Switch 5 Open 42 open command 17 18 22 30 Operating Basics 8 26 Operating Temperature 46 Operator Controls 8 16 Optional Accessories 48 Overvoltage 47 parity 42 Pin C 22 Pin D 22 Pin E 22 Pin F 23 Pin H 23 Pollution 47 POST mode 1...

Page 43: ... Switches A D 23 SYNC 14 SYNC ACTIVE 14 SYNC ACTIVE LED 14 Sync Ground 22 Sync Power Output 23 SYNC 16 23 24 43 44 SYNC ACTIVE Indicator 16 44 Sync Detector Transistor Output 22 SYNC OUTPUT 44 System Characteristics 40 T132 controller 9 Teflon 35 timer output signal 23 timer range 10 Trigger 42 TRIGGER 22 29 TRIGGER INPUT 46 Trigger Caution 35 trigger command 17 18 22 trigger edge 21 trigger input...

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