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Pangolin PASS Скачать руководство пользователя страница 11

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PASS

Complete Help Docs - https://wiki.pangolin.com/

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.

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.

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 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.

PASS Switches

PASS includes a number of switches that must be conﬁgured to customize operation to a particular
projector or projection scenario. Below you will see the PASS board and location of the switches. The
operation of each switch is described below.

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Содержание PASS

Страница 1: ...FE LASER EXPOSURE This manual contains important information on how to install PASS in a laser projector how to perform adjustments and how to make sure that the show remains safe including a requirem...

Страница 2: ...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 several simultaneous failures Although the PASS hardware circuit...

Страница 3: ...intensity outputs PASS will also open the projector interlock signal path ILDA pins 4 and 17 As long as a fast shutter is located within the beam path and as long as the interlock signal path is used...

Страница 4: ...Monitor The Beam Power Monitor is perhaps the most unique and important aspect of PASS The Beam Power Monitor is able to make sure that the light coming out of the projector conforms to what is expec...

Страница 5: ...the PASS logic the color and intensity signals are blanked the shutter is closed and the projector interlock signal path is opened The system will remain in that state until power is recycled or until...

Страница 6: ...CAOM for color 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 loop in the event of a critical fault a...

Страница 7: ...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...

Страница 8: ...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 oating then ESTOP is inactive...

Страница 9: ...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 performin...

Страница 10: ...r 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 s...

Страница 11: ...y additional ground wire from each scanner ampli er to the PASS board Doing so would introduce a ground loop which may cause distorted images If you are using a one dual axis scanner ampli er the reco...

Страница 12: ...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 moving or non moving beam below the horizon it will be exti...

Страница 13: ...red to sweep in X and or Y in order to be considered to be safe At the factory Pangolin sets this to around 5 radians per second Note that the scale of this control in radians per second depends on th...

Страница 14: ...i 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 on page 20 PASS Adjustment Procedure NOTE T...

Страница 15: ...hen it is in the audience area Once this is done with the slow moving circle COLLAPSE the Y axis change Y size to zero in the software which will project essentially a slow moving horizontal beam cent...

Страница 16: ...terms of Watts Per Square Centimeter also known as irradiance instead of Watts also known as radiant power This is an important concept that must be understood The laser safety standards are based on...

Страница 17: ...til it trips We also recommend that you run a number of test patterns and show program material with the brightness set to the maximum safe power determined above i e 27 If the projector occasionally...

Страница 18: ...e is not overloaded with light and merely delivering a saturated maximum voltage to the oscilloscope as this will arti cially lengthen the pulse width The PDA100A photodiode has an attenuator dial on...

Страница 19: ...as the nal shutter opens faster than around 1 20th of a second Generally the light sensor is fashioned as a glass window that is used to sample the outgoing laser beam at a 45 degree or so angle and d...

Страница 20: ...with the spectral attening lter attached and logarithmic ampli er board is the model SEL033 detector with model F at response ler and model A430 ampli er all available from International Light Techno...

Страница 21: ...g with the other projector features for example no doubt including a lens installed either inside or outside the laser projector to increase divergence to help ensure audience safety Finally the audie...

Страница 22: ...stments on PASS must be con gured properly for the scanning velocity and dwell time as well as the projection horizon if used Moreover the light sensor related adjustments on PASS must be con gured to...

Страница 23: ...2022 07 28 09 15 23 26 PASS Complete Help Docs https wiki pangolin com Dimensions and mounting holes...

Страница 24: ...m PASS This Agreement provides you with the authorization to use PASS subject to the terms and conditions herein If you do not agree to all the terms and conditions of this Agreement do not use PASS I...

Страница 25: ...Pangolin without Pangolin s prior written consent AGREEMENT LENGTH AND TERMINATION PROCEDURE This Agreement is e ective until terminated 4 You may terminate this Agreement at any time by sending writt...

Страница 26: ...owing deposit with the mail carrier for all other allowable forms of notice ENTIRE AGREEMENT This Agreement constitutes the entire agreement with respect to the use of 11 PASS and supersedes all prior...

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