Manual Pangolin Pass
Contents
1. Pin 17 is an output which corresponds to whether or not PASS is ready Once PASS has given a armed indication on Pin 19 and then once the Manual Reset is activated by connecting Pin 3 to Pin 4 this signal will go HIGH indicating that PASS will allow color signals to flow through the PASS board to the internal laser projector components This signal will remain HIGH as long as there are no major faults detected such as a Power Supply fault Light Detector fault other detectable major fault or ESTOP being activated This signal may be routed through a resistor to an LED or pair of LEDs bi color pair to give an indication on the control panel as to whether or not PASS is active 12 PASS Installation Manual Pin 19 is an output which corresponds to whether or not PASS is ready to be activated armed If this signal is HIGH it indicates that the power supply is OK ESTOP is not activated and light is not detected and thus PASS may be activated by performing a Manual Reset This signal may be routed through a resistor to an LED or pair of LEDs bi color pair to give an indication on the control panel as to whether or not a Manual Reset can be performed If used this LED should ideally be placed near the Manual Reset push button or keyswitch Pin 12 is an output which corresponds to whether or not the computer feeding the ILDA input has commanded that light come out of the laser projector or no2. For maximum safety the shutter should be a fast type of shutter and one which also will fail safe This means that in the event of a mechanical or electrical failure of the shutter it will remain closed due to the mechanical design of the shutter Such shutters are made by nm Laser Products http www nmlaser com Scanner Position Signal and Light Detector Cable Pin provides 5V output which should only be connected to the PASS light sensor Pin 2 is the PASS light sensor input which ranges from OV to 5V Pin 3 and Pin 5 correspond to the Signal Ground connection of PASS Pin 3 should be connected to the PASS light sensor Pin 5 may or may not be connected to the scanner amplifier depending on circumstances described below Pin 4 corresponds to the X Position Signal This should be connected to the X axis scanner amplifier Pin 6 corresponds to the Y Position Signal This should be connected to the Y axis scanner amplifier 10 PASS Installation Manual Control Panel Ribbon Cable PASS may be controlled by and may illuminate LEDs on an external control panel that is connected to PASS Below is a description of the control panel connections When PASS is not connected to an external control panel then PASS will automatically reset into a ready state shortly after power up When PASS is connected to an external control panel then PASS will not power up in a ready state and instead will wait for
3. as the interlock signal path is used within the projector this action prevents light from being emitted from the projector under all circumstances 4 PASS Installation Manual Scanner Position Signals PASS monitors the X and Y position signals and derives Euclidian vector velocity as well as effect size If the vector velocity is found to be below the Minimum Velocity the minimum speed that the beam is required to sweep in X and or Y in order to be considered to be safe and found to remain there for a period longer than the Dwell Time the time that a beam may remain at or below the minimum velocity see page PASS will blank pull to zero volts all color signals and the intensity signal PASS will only do this for the period of time that the beam is below the Minimum Velocity As soon as the beam speeds back up or the beam enters a non protected area i e above the horizon if enabled PASS will allow the color signals to flow from the Input to the Output The Effect Size has a similar result and this is included in PASS as a measure of redundancy If there is an effect that is scanning very quickly and which would satisfy the Minimum Velocity but if this is a very small effect PASS will blank the color and intensity signals until the Effect Size resumes a safe level The Effect Size is not adjustable on this version of PASS Note that during momentary interruptions of color and blanking signals PASS does not affect the
4. board is also connected at the scanner amplifier itself Note that in this case it is permitted to connect a separate position signal ground from the scanner amplifier to the PASS board if you wish 16 PASS Installation Manual PASS Adjustments Mee MINIMUM DWELL HORIZON MAXIMUM MINIMUM VELOCITY TIME SAFE POWER POWER PASS includes a number of adjustments and switches that can be used to customize operation to a particular projector or projection scenario Below you will see the PASS board and location of five adjustment potentiometers The operation of each potentiometer is described below 17 The Minimum Velocity controls the minimum speed that the beam is required to sweep in X and or Y in order to be considered to be safe At the factory Pangolin sets this to 5 radians per second Note that the scale of this control in radians per second depends on the actual position scale factor of the scanner amplifier being used Turning this control clockwise increases the minimum velocity requiring a faster scanning beam in order to be considered safe The Dwell Time controls the time that a beam may remain at or below the minimum velocity before PASS extinguishes the beam At the factory Pangolin sets this to 1 5 milliseconds We have found that a combination of 5 radians per second and 1 5 millisecond Dwell Time provides a good degree of safety while not negatively impacting normal show programming Turn
5. horizon Pin 20 is a Status LED number 3 If this signal is LOW it indicates that PASS tried to extinguish light from coming out of the projector but that the PASS light detector still detected light output This would occur if a PCAOM or Laser Diode Driver continued to output light after being told not to This would also occur if the Minimum light level adjustment of PASS is not set correctly And finally this might also occur if PASS did not detect light coming out of the computer even though the computer commanded light output This would indicate either a laser failure or light detector failure Note that unlike the other LED outputs on the control panel connector the Status LED outputs will latch in the event that a fault is detected They will remain in the latched state until a Manual Reset occurs This allows you to determine the cause of any detected faults The Status LED signals may be routed through a resistor to an LED on the control panel to give an indication of any faults that have been detected 14 PASS Installation Manual Pass Power and X Y position signal connections X AXIS SCANNER AMP POSITION ae AXIS SCANNER AMP POSITION SiGNe Eo C BR PASS monitors the power supplies that feed the scanner amplifiers This voltage can be between 20 volts and 30 volts The manor in which you connect PASS to the power supply and to the scanner amplifiers depends h
6. PASS Professional Audience Safely System User Manual November 2012 Pangolin Laser Systems 2 PASS Installation Manual Chapter 1 Introduction Congratulations on selecting Pangolin s Professional Audience Safety System an important decision to keep your audiences safe from the potential hazzards that a laser light projection system may pose You have purchased the most powerful and only patented safety hardware for laser light shows This manual serves as a brief introduction to PASS so you can install it and get started Pangolin provides you with the PASS hardware board connection cables and this manual You must provide a laser projector including laser scanners and power supply J You may also use an optional light sensor and a x control panel for maximum control PASS is a sophisticated system which when properly integrated into a laser projector and used with the proper show setup techniques can guarantee the safety of audience scanning laser shows PASS is barely bigger than a credit card and yet it includes a set of very sophisticated and complete protection systems PASS is designed with multiple levels of redundancy and with circuitry that is designed to fail safe In fact PASS is designed to maintain safety even in the face of five simultaneous failures This manual discusses how to install connect and adjust PASS You should read and fully understand this manual before installing a
7. Shutter output Control Panel Signals A control panel can optionally be used with PASS The control panel may have a ESTOP switch i e mushroom emergency stop switch as well as a manual reset button which may be embodied as a keyswitch or push button When a control panel is used with PASS a Manual Reset is required in order to activate PASS In most cases this is a simple keyswitch action but could also be a simple momentary push button And when a Control Panel is used PASS continually monitors the ESTOP button If the ESTOP is pressed PASS will immediately terminate all color and intensity signals and forcibly close the shutter PASS will also open the projector interlock signal path ILDA pins 4 and 17 Beam Power Monitor The Beam Power Monitor is perhaps the most unique aspect of PASS The Beam Power Monitor is able to make sure that the light coming out of the scanners conforms to what is expected When PASS commands that no light should be emitted from the projector PASS will verify that this is so by observing the Beam Power Monitor If light is coming out of the projector when it is not supposed to be PASS will blank the color and intensity signals close the shutter and open the projector interlock signal path PASS does this because this would be considered a dire problem Likewise if PASS detects that light is commanded from the computer but is not coming out of the projector PASS will take drastic action becaus
8. a osa mow U HEPEJEEJEEIE aa EEEE e eE Ez E EENE EEEIEE E S amp tour age fz59 p m ail amp Se Lhe EE BE s cam ARARE HERRERNE fmm fmm iee EE EEEE E B g Pemma ILDA Output 6065 3 Bi pi E BE aH BBE E El oza oza coza oza Coe ji BEBE omy E jemma oS B o ER 90s zosd Ma NEE l ELE EGE CE j BEBE LE eza 6285 BOBER BEEBE fmm g 8 Power supply fault 24V Present 15V Present 5V Present 24V Present Size is Insufficient Position within audience Laser is commanded on by computer Light sensor state Green no light Yellow light detected Red too much light 21 75 1950 PASS 1 50 DIMENSIONS AND MOUNTING HOLES 4050 ALL DIMENSIONS ARE IN MILS 0 001 22 PASS Installation Manual Registration Form Many of our customers purchase through dealers so we don t always know who you are To help us give you the best service and support please fill in the form then mail or fax it to the address on the back cover of this manual You can also register online at our website www pangolin com Thank you Contact name primary Lasershow P layer user Company name Street address State or province Zip or postal code Telephone country code non US Telephone area code or city code Work daytime phone number Fax nu
9. e this could be a sign that the light sensor is not working And finally PASS will measure the Beam Power against a Maximum Safe Beam Power adjustment and if it is exceeded PASS will blank the color and intensity signals close the shutter and open the projector interlock Any of these conditions requires the power to be recycled or a Manual Reset Under normal circumstances this will never occur There should always be congruence between commanded power and actual light coming from the projector And light coming out of the projector above the Maximum Safe Beam Power level is of course also a sign of trouble Pass Logic System The PASS circuitry is implemented almost entirely in analog circuitry This is done so that the circuit can be fully validated by peers in the safety community There are logic circuits within PASS but these logic circuits are entirely combinatorial in nature This means that the logic is made up of simple AND and OR statements which can be easily validated by peers in the safety community There are no sequential logic circuits within PASS nor are there any microprocessors because these can not be fully validated In addition to the logic used by PASS to implement the basic safety features PASS also includes a separate layer or logic that actually watches the first logic and verifies sanity If there is a problem within the PASS logic the color and intensity signals are blanked the shutter is c
10. eavily upon whether you are using two separate single axis scanner amplifiers or one dual axis scanner amplifier If you are using two separate single axis scanner amplifiers the recommended connections are shown below Note that each scanner amplifier as well as the PASS circuit board itself must each have their own power wires going back to the power supply These wires should all meet at the power supply itself If you have two power supplies one for 24V and the other for 24V then these power supplies should establish a central connection where all wires meet This is called a single point grounding scheme Wiring the power supply in any other way will cause a ground loop which may cause distorted images during projection 15 Also note that when using two separate single axis scanner amplifiers you run only the POSITION signal to the PASS position input DO NOT connect any additional ground wire from each scanner amplifier to the PASS board Doing so would introduce a ground loop which may cause distorted images POWER DUAL AXIS SUPPLY SCANNER AMP C MRM L If you are using a one dual axis scanner amplifier the recommended connections are shown below Since there is only one scanner amplifier in this case the scanner amplifier is connected directly to the power supply If you have two separate power supplies one for 24V and one for 24V these can be connected at the scanner amplifier itself The PASS
11. imum Power adjustments by looking at D208 Light Sensor State bi color LED on the PASS board Also note that the Maximum Safe Beam Power and Minimum Power adjustments are ignored if the switch 4 is turned on see switches below 18 PASS Installation Manual PASS Switches The switches on PASS are shown below SWITCH 4 LIGHT SENSOR LIGHT SENSOR IS NOT USED LIGHT SENSOR IS USED SWITCH 3 PROTECTED AREA PROTECT ONLY BOTTOM PORTION PROTECT ENTIRE SCAN FIELD allow bright static beams above ignore the horizon adjustment SWITCH 2 S COORDINATE IGNORE THE S COORDINATE USE THE S COORDINATE switch must be in this position SWITCH 1 ILDA PIN 12 IS LIGHT SENSOR DERIVE LIGHT SENSOR FROM PIN 12 gt USE NORMAL PASS CONNECTOR switch should be in this position 19 With the PASS board in this orientation Switch 4 is at the top When this switch is moved to the left on the light sensor input is ignored You would move the switch to this position if you are not using a light sensor When this switch is moved to the right off the light sensor input is monitored and an additional level of safety is provided Pangolin ships the PASS board with this switch turned on With the PASS board in this orientation Switch 3 is next in line When this switch is moved to the left on the Horizon control is monitored and PASS will only allow static or slow beams above the horizon If there is a slow m
12. ing this control counter clockwise reduces the Dwell Time and turning this control clockwise increases it The Dwell Time can be adjusted between 100 microseconds and 10 milliseconds The Horizon adjusts the Protected Area if Switch 3 is moved to the on position At the factory Pangolin sets this control to approximately the center of the vertical scan field but this may be adjusted clockwise or counter clockwise to set the horizon of the protected area as desired Note that this control is very sensitive to rotation You will not need to turn this control very much to explore the entire vertical area Also note that the horizon adjustment is completely ignored if Switch 3 is turned off See the section about PASS Switches for more information The Maximum Safe Beam Power adjustment controls the maximum power that can be allowed into the Protected Area For example if the beam is scanning below the horizon PASS will monitor the beam power and make sure that this beam power is not exceeded If the beam is not scanning within the Protected Area for example above the horizon then this control is ignored and full power beams can be projected overhead The Minimum Power adjustment controls the minimum light level that is detectable by the light sensor Generally this is adjusted so that no light is detected by PASS when the laser is off You can adjust the Maximum Safe Beam Power and Min
13. is above the horizon This signal may be routed through a resistor to an LED or pair of LEDs bi color pair to give an indication on the control panel as to where the beam is within the Y space Pin 13 is an output which corresponds to the velocity and effect size detectors within PASS If this signal is LOW it indicates that the beam velocity and effect size are both OK and that PASS will not actively suppress laser output PASS may suppress laser output for other reasons however If this signal is HIGH approximately 4 volts it indicates that the beam velocity is too slow or that the effect size is too small and that PASS will actively suppress laser output This signal may be routed through a resistor to an LED or pair of LEDs bi color pair to give an indication on the control panel as to the disposition of the velocity and effect size Pin 15 is an output which corresponds to the light detector within PASS If this signal is LOW it indicates that the light that is detected by PASS is above the Maximum Safe Laser Power threshold setting If this signal is HIGH approximately 4 volts it indicates that the light detected is below the Maximum Safe Laser Power threshold setting Under ordinary circumstances this will never be LOW This signal may be routed through a resistor to an LED or pair of LEDs bi color pair to give an indication on the control panel as to the disposition of the light detected by the light sensor
14. k loop should interrupt power to the lasers themselves thus in the event of a major problem PASS can turn off power to the lasers Alternatively the interlock loop may be routed to a SEPARATE shutter that is placed just before the X Y scanners and after the PASS light sensor if used Pins 9 and 10 correspond to Red and Red color signals respectively These should be connected to the RED input on a PCAOM driver or directly to a laser diode driver Pins 11 and 12 correspond to Green and Green color signals respectively These should be connected to the GREEN input on a PCAOM driver or directly to a laser diode driver Pins 13 and 14 correspond to Blue and Blue color signals respectively These should be connected to the BLUE input on a PCAOM driver or directly to a laser diode driver Pins 15 and 16 correspond to Deep Blue and Deep Blue color signals respectively These are most often not used by modern RGB laser projectors and thus can be left unconnected If they are used they should be connected to the DEEP BLUE input on a PCAOM driver or directly to a laser diode driver Pins 17 and 18 correspond to Yellow and Yellow color signals respectively These are most often not used by modern RGB laser projectors and thus can be left unconnected If they are used they should be connected to the YELLOW input on a PCAOM driver or directly to a laser diode driver Pins 19 and 20 correspond to Cyan and Cyan col
15. losed and the projector interlock signal path is opened The system will remain in that state until power is recycled or until a Manual Reset is performed PASS Installation Manual Chapter 2 Layout and Connections Power connections 24 GND 24 ILDA Input from computer ILDA Output to projector components Control Panel Scanner Position Signals if used and Light Detector Signal The general layout of PASS is shown above with connectors identified Pangolin includes connectorized ribbon cables with PASS These ribbon cables can be used directly allowing minimal effort to integrate PASS within a projector The red stripe on the ribbon cable indicates pin 1 ILDA Input Ribbon Cable The ILDA Input should come directly from the DB 25 on the projector Ideally there should be nothing except for the included ribbon cable between the DB 25 connector and the PASS circuit board A simple crimp on DB 25 connector can be used and crimped onto the ILDA Input ribbon cable provided with PASS ILDA Output Ribbon Cable The ILDA Output connector on the PASS board should be parsed out into pairs of signals and then directed to various components within the projector The signals and recommended connections are discussed below Note that since this is an IDC connector the pin numbers do not correspond to the ILDA pin out on a DB 25 HOWEVER if you crimp a DB 25 connector onto the output ribbon cable then the pins
16. mber Other phone mobile nighttime etc Preferred e mail address Website if you have one Lasershow Player model CD 2000 serial number Name of dealer or distributor 23 2008 2012 Pangolin Laser Systems Inc All rights reserved Due to our policy of continuous product improvement information in this manual is subject to change without notice NOTICE The electronic design of PASS as well as concepts embodied within it are protected by multiple U S and Australia patents
17. nd using PASS NOTICE Pangolin will only guarantee the proper operation of PASS when it is used in conjunction with Pangolin software and control hardware either QM2000 or FB3 In addition Pangolin strongly recommends the use of only Cambridge model 6210 or 6215 scanners with associated servo drivers made by Cambridge Technology Brief Theory of Operation Ideally the PASS circuit is installed inside the projector PASS is inserted into the ILDA analog signal signal stream Because of this PASS is able to interrupt the flow of the color signals as well as forcibly close the shutter and open the projector Interlock circuit if necessary The following is a brief synopsis of PASS and how it operates PASS monitors the following projector health related properties Scanner power supply and internal PASS power supplies Scanner position signals to derive o Scanning velocity o Effect size o Horizon Protected Area PASS logic system Control Panel signals including ESTOP and Manual Reset optional Beam Power detected during blanking and non blanked periods optional Power Supplies When power is not applied to PASS or when PASS detects that the power supply is not sufficient to properly operate the laser projector PASS will crowbar short circuit the color signal inputs and forcibly close the shutter and intensity outputs PASS will also open the projector interlock signal path ILDA pins 4 and 17 As long
18. or signals respectively These are most often not used by modern RGB laser projectors and thus can be left unconnected If they are used they should be connected to the CYAN input on a PCAOM driver or directly to a laser diode driver Note that for the color signals above ideally a PCAOM or Laser Diode Driver should have differential input and you should connect both the and color signals from the PASS board directly to those drivers Pins 21 and 22 correspond to the Z and Z signals respectively In most cases these signals are not used by laser projectors directly and in fact when used with certain pieces of Pangolin software these signals correspond to a Safety Coordinate System It is recommended that these be left unconnected 9 Pin 23 is connected to the ILDA input connector pin 12 This signal is reserved by ILDA for a light sensor output but it is essentially unused by all manufacturers It is recommended that this pin be left unconnected Pin 24 is connected to the ground connection of PASS It is recommended that this only be used as a ground reference for the shutter driver and nothing else Pin 25 is the main Shutter output Under normal circumstances the state of this signal will correspond directly to pin 13 on an ILDA input connector However in the event of a major fault PASS will forcibly close the shutter using this signal It is therefore recommended that this be connected to a shutter driver
19. oving or non moving beam below the horizon it will be extinguished by PASS When this switch is moved to the right off the Horizon control is ignored and PASS will not allow a slow moving or non moving beam anywhere within the scan field Pangolin ships the PASS board with this switch turned on With the PASS board in this orientation Switch 2 is next in line This switch controls the interpretation of an advanced feature of PASS called the S coordinate At this time we recommend this switch be placed in the left position on Pangolin ships the PASS board with this switch turned on With the PASS board in this orientation Switch 1 is on the bottom This switch controls where PASS gets the light sensor signal ILDA pin 12 is defined by the ILDA standard as possibly providing feedback from a light sensor However since the vast majority of projectors do not use this part of the ILDA standard we recommend that this switch be moved to the right off Pangolin ships the PASS board with this switch turned off 20 PASS Installation Manual Control Panel Connector if used Green Position Overhead Red Position within Audience Green Velocity Safe Red Velocity Unsafe Green Allow Laser Out Red Prevent Laser Out Green System Ready Red System Not Ready Green Armed Red Running Minimum Velocity Dwell Time ILDA Input 2 2 IO SIRE j jej N aeddh i BEREE at eaaag RE oe osa osa A os
20. t If this signal is HIGH it indicates that the light that PASS has detected that the computer has requested more than approximately 50 beam power from the computer If this signal is LOW it indicates that the computer is commanding 50 or less beam power from the computer This signal may be routed through a resistor to an LED or pair of LEDs bi color pair to give an indication on the control panel as to whether or not the computer has commanded light to come out of the projector Pin 14 is an output which corresponds to the condition of the power supply both within PASS and supplying the scanner amplifiers If this signal is HIGH it indicates that the power supply feeding the scanner amplifiers is 19 volts or higher It also indicates that all of the power supplies within PASS itself are also within their acceptable ranges If this signal is LOW it indicates that there is a power supply problem of some kind This signal may be routed through a resistor to an LED or pair of LEDs bi color pair to give an indication of the state of the power supplies 13 Status LED signals on the Control Panel connector Pin 16 is a Status LED number 1 If this signal is LOW it indicates that a power supply fault has been detected Pin 18 is a Status LED number 2 If this signal is LOW it indicates that the PASS light sensor detected a light level that exceeded the Maximum Safe Light Level while the Y position was below the
21. the Manual Reset from the control panel Note that some jurisdictions including the U S A require a manual reset in order to activate the projector after power up The PASS control panel connector may be used to help facilitate this feature Pin 1 is the active input that corresponds to an external Emergency Stop ESTOP switch such as a pushbutton or red mushroom type switch When this pin is connected to Pin 2 ground ESTOP is activated When Pin 1 is left floating then ESTOP is inactive and the projector will be allowed to operate normally Pin 3 is the active input that corresponds to a Manual Reset This may be connected to pin 4 ground through a momentary pushbutton switch or a key switch Pin 5 is an active input that indicates that a control panel is being used Pin 5 must be connected to Pin 6 when a control panel is used If Pin 5 is not connected to Pin 6 then PASS will not wait for a manual reset when power is first applied 11 Pins 7 and 8 provide 5V to the control panel These may be used in conjunction with LEDs on the control panel Pins 9 and 10 correspond to Ground These may also be used in conjunction with LEDs on the control panel Pin 11 is an output which corresponds to the horizon detector within PASS If this signal is LOW it indicates that the Y position is below the horizon within the audience area If this signal is HIGH approximately 4 volts it indicates that the Y position
22. will correspond directly to the ILDA pin out This is because the pin designations of a DB connector are in line while the pin designations of an IDC connector are even and odd Pins 1 and 2 correspond to the X and X signal respectively These should be connected to the X and X input on the X axis scanner amplifier Pins 3 and 4 correspond to the Y and Y signals respectively These should be connected to the Y and Y input on the Y axis scanner amplifier Note There should NOT be a connection to the signal ground of any scanner amplifier The only ground connection to the scanner amplifier or amplifiers should be from the power supply itself Connecting to the signal ground on a scanner amplifier will introduce a ground loop which may cause distorted images See the Power and X Y Position Signal Connections on the following pages Pins 5 and 6 correspond to the Intensity Blanking and Intensity Blanking signals respectively These may be used for a single color projector but most often they are not connected Pins 7 and 8 correspond to the Projector Interlock loop pins 4 and 17 from the ILDA connector Note that PASS will interrupt this interlock signal in the event of a major fault and when power is not applied so it is highly recommended that projector manufacturers implement an interlock scheme that makes use of these signals 8 PASS Installation Manual Ideally this interloc
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