Yoyo+ and Yoyo++ Instruction & Maintenance Manual

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					L I G H T I N G L I M I T E D




                   Yoyo+ and Yoyo++
              Instruction & Maintenance
                        Manual
                                                   C o n t e n t s


1 Introduction                                                 3

2 Fitting                                                      4

3 Effects Plates and Gobos                                     5
  Glass Gobo Guidelines                                        5

4 Connection                                                   6

5 Operation                                                    8
  Inserting Effects Plates                                     9
  O p e ra t i n g M o d e s                                   11
  M o d e 1 – 1 6 B i t O p e ra t i o n                       11
  M o d e 2 – 6 B i t O p e ra t i o n                         11
  M o d e 3 – N o D M X O p e ra t i o n                       11
  M o d e 4 – Fu l l C o n t ro l                              12
  M o d e 5 – E x t e n d e d Fu l l C o n t ro l              12

    Programming
    Pro g ra m m a b l e O p e ra t i o n                      13
    Pro g ra m m i n g H i n t s                               16

6 Appendices
  Yoy o F i t t i n g Re f e re n c e Ta b l e                 17
  P ow e r S u p p l y C o m p a t i b i l i t y               18

7 Certificates of Conformity                                   20
                                                               22
    1                                    I n t r o d u c t i o n


        The YoYo+ and YoYo++ are digital versions of the popular DHA Yoyo which
        allows linear movement of 1 or 2 gobos, at variable speeds, in the gate of a
        range of modern theatrical lanterns replaces traditional gobos with etched
        effects plates.
        The Yoyo combines the functions of manual control and DMX control into
        one small unit, yet gives the added functionality of being able to index the
        effects plates at a pre-determined position at any time.
        The stepper motor technology used in the Yoyo also ensures completely
        silent operation when in use, even at high speed travel.


        In the interests of safety all digital Yoyo+’s are provided with a fixing point
        for a safety chain. This must be used.

        This product is supplied for professional, indoor use by competent techni-
        cians.

        Isolate from mains supply before removing any cover.

        Caution: When installed, this device will absorb heat from the lantern and
        may rapidly become hot. Allow time to cool before handling.

        No user-serviceable parts inside. Please contact DHA for further product
        support.




3
2                                                      F i t t i n g


    It is important to ensure that the Yoyo+ fitted correctly in each lantern. Due
    to the heat from the lamp housing, the Yoyo+ should be positioned so that
    the motor housing faces towards the lens tube and not over the lamp-
    house.

    These units should not be run continuously, for long periods, at full intensi-
    ty as heat damage may result. Particular care must be taken if the lantern
    is pointing upward as this places the Yoyo+’s motor directly above the lam-
    phouse where it can rapidly become very hot.


                                              Correct Fitting
                                              With motor box over lens tube




                                            Incorrect Fitting
                                            With motor box over lamp housing




                                                                                 4
    3       Effects Plates and Gobos


        The Yoyo+ use etched metal plates to create its effects. These plates are
        very thin and must be handled with extreme care as the sharp edges could
        be hazardous. It is also very important that they are stored in such a way
        as to prevent bending as this would be likely to lead to operational prob-
        lems in future use.
        In addition to the metal effects plates, the Yoyo+ also accept an additional
        “B” size metal gobo which slots into the holder at the back of the unit.
        These standard gobos should also be handled with extreme care and
        should be removed and replaced if they are bent or buckled.
        The Yoyo+ also has the ability to use a glass gobo when combined with the
        glass gobo effects plate. Please note that only the Yoyo+ unit can accept
        glass gobos and not the Yoyo++.
        Glass gobos are inherently more fragile than their metal equivalents.
        Incorrect use can result in an accelerated deterioration of the fine metallic
        surface and even breakage of the glass substrate. It is imperative to follow
        the guidlines below to ensure good results.

        1 ‘Flat-Field’ the Lantern
        It is essential that, prior to using a glass gobo in any luminaire, the lumi-
        naire is adjusted to produce a ‘flat field’. This means that the intensity of
        the beam is even across its whole area with no ‘hot spots’. The lamp posi-
        tion can usually be adjusted in relation to the reflector to achieve this
        result. It should be noted that the lantern will not be at its perceived
        brightest when the ‘flat-field’ position is reached.

        Failure to correctly adjust the field will produce patchy deterioration of the
        chrome surface and a build up of stresses within the gobo due to tempera-
        ture variations across the illuminated surface. In some cases this could
        cause the gobo to break.

        2 ‘Pre-Warm’ the Gobo
        In all cases, and particularly for higher wattage lanterns, it is good practice
        to ‘pre-warm’ the gobo by holding the dimmer at a low level prior to bring-
        ing the luminaire up to full power. Luminaires with discharge sources
        should be powered up (once flat-fielding has been completed) with the
        gobo installed so that it can warm up with the luminaire.
        DHA cannot accept liability for failure of any glass gobo where these
5       requirements have not been met in full. If in doubt consult DHA for advice.
4                                        C o n n e c t i o n



    Connection of the Yoyo+ is via a 4-pin XLR type connector. The cable, which
    connects to the unit, carries both the power for the unit and the DMX data
    signal which is required for remote operation.
    This 4 pin configuration is also used by a large number of other devices
    such as colour scrollers, dimming shutters and moving mirrors, which can
    simplify the installation process and also save on the number of power sup-
    plies required in the venue. It must be noted however that the power sup-
    ply for the YoYo+ also contains all the necessary components to process the
    DMX data, and it is therefore very important to make sure that the power
    supply that you are using is compatible with the Yoyo+ (see appendix 3).

    The Yoyo+ has 2 x 4-pin connectors on its front panel (fig 1), one for power
    and data in and the other for power and data out to other units.


                   Data / Power                                  Data / Power
                             in                                  out




                                                                 Fig 1.




    Because each Yoyo+ has its own individual DMX address setting, it is possi-
    ble to daisychain Yoyo+s by linking out of one unit and into another.
                                                                               6
    It is also possible to place a mixture of Yoyo+’s and other devices on the
    same chain (fig/2), as long as you do not exceed the total power of the
    power supply (see appendix 3).




                                    Power / DMX out
                                             to
                                          Power / DMX in
               Power / DMX in




                                                                  Scroller
                                    DHA Yoyo++

                                                                 Fig 2.




    The Yoyo+’s have an automatic safety device built in so that if a unit devel-
    ops a fault it will automatically cut itself out of the chain to avoid interfer-
    ing with other devices.

    If a Yoyo+ is the last unit in a chain it will automatically terminate the DMX
    so a terminating plug is not required.

    It is very important that the cables used to connect the Yoyo+’s to each
    other or to the power supply are of the correct specification (see appendix
    4 for details)

7
5                                                                           O p e r a t i o n


    Calibration
    For the indexing system to work correctly and accurately the Yoyo+ needs
    to know the position that the effects plates are in at any time. To do this
    the unit performs an automatic calibration when it is first powered up; this
    involves the Yoyo+ moving the effects plates through their full length of
    travel. As soon as this has been completed normal operation will be
    resumed.

    During operation the unit will automatically re-calibrate itself on a regular
    basis to ensure accuracy, but this will not be noticeable to the operator and
    will not interfere with normal operation.

    Setting The DMX Address
    Each Yoyo+ has a set of 3 wheels, plus an optionwheel, which are used to
    set the DMX address of that unit. This should be adjusted using a small
    screwdriver.
    The first wheel sets the 100’s and also the stand-alone mode, the second
    sets the 10’s and the third the units.
    Examples:
    To set a DMX address of 24 the 100’s wheel should be set to 0, the 10’s to 2
    and the units to 4.
    To set a DMX address of 346 the 100’s wheel should be set to 3, the 10’s to
    4 and the units to 6 (fig 3).
                              DMX 512                                                             DMX 512

                                                    Push                                                                Push




                        IN                          OUT                                     IN                          OUT
         Option x100              x10         x1          Error              Option       x100         x10          x1        Error
           23           23          23          23                Mtr 1        23           23          23          23                Mtr 1
                                                                                          901


                                                                                                      901


                                                                                                                  901
                      901


                                  901




                                                                             901
                                              901
         901




                                                                                                                        45
                                                                                                            456
                                                                                                456
                                                    456




                                                                                   456
                                        456
                            456
               456




                                                                                                                          6




           78           78          78          78                Mtr 2        78           78          78          78                Mtr 2

                      Indexing Rotator                    Power                           Indexing Rotator                    Power
                                                           Data                                                                Data
                 Model Nº                                                            Model Nº
                     Serial Nº                                                           Serial Nº
               Made in the United Kingdom                                          Made in the United Kingdom

        Mode 1 – DMX Address 24                                               Mode 3 – DMX Address 346
                                                                    Fig 3                                                                     8
     Inserting an effects plate in a Yoyo+


    1 Check there is no Effects Plate in the unit.

    Power up the unit. Aiiow it to it will calibrate as indicated by the flashing
    orange LED, and then select Option 0.
    Hold the unit with the motor box at the bottom and place the effects plate
    with its attached rack into the corresponding grooves in the slides.The rack
    must be placed on the left of the unit when the address switches are facing
    you.
    Select Option 1 or 2 and the mechanism will connect with the effects plate
    and draw it into the unit.
    When the effects plate stops moving, as indicated by the orange LED ceas-
    ing to flash, reselect Option 0, the unit will attempt to eject the effects
    plate and the end of the rack will ‘bounce on the gear attached to the
    motor.
    Select Option 1 or 2 and the
    effects plate will be taken in
    again and set into its calli-
    brated position (Fig 4.).




                                    Fig 4.
9
Inserting a effects plates in a Yoyo++


The routine for the Yoyo++ is identical to that of the YoYo+ except
there are two effects plates. The plates must be inserted and cali-
brated together and can only be inserted one way as there is a
guide close to the gears.




To remove the effects plates from the Yoyo+ and Yoyo++ simply hold
the unit with the motor box uppermost and select option 0. The
effects plates will fall out. The removal of plates should always be
done using the motor unit. Pulling out the gobos by handmay result
in damage to the motors.
                                                                      10
                     O p e r a t i n g                    M o d e s


     The mode of operation is selected by setting the option switch on the front
     panel.
     Mode 1 16 Bit Indexing
     This allows precision indexing usin three channels of DMX.
     Option Switch       Position 1.

     Channel 1          Speed.

     Channel 2          Position coarse. ( 0 = closed, 255 = open )

     Channel 3          Position fine.


     Mode 2 8 Bit Indexing
     This provides basic control of index position similar to that used by many
     moving lights, using just one DMX channel for each gobo.

     Option Switch      Position2.

     Channel 1          Index position ( fixed speed ) ( 0 = closed, 255 = open ).


     Mode 3 Stand alone Operation
     Stand-alone operation allows the unit to be used when there is no DMX sig-
     nal available or where only simple linear motion is required.
     Stand-alone operation is selected by setting the four rotary switches in the
     following positions.

     Option Switch      Position 3

     x 100              Offset. ( 5= Centred, 9 = Maximum )

     x 10               Speed ( 0 = Slow, 9 = Fast )

     x1                 Travel ( 0 = Maximum, 9 = Minimum )
                        Maximum travel will be limited whenever offset is not
                        centered.
11
Mode 4 Full Control
This provides indexing control with the ability for continuous yoyo motion.
Option Switch      Position 4

Channel 1 = Index Position

Channel 2 = Yoyo speed ( 0 = indexed )- always full travel.


Mode 5 Extended Full Control
As mode 4 but but with the ability to offset the position and adjust the
length of travel.
Option Switch     Position 5.

Channel 1          Index Position / Offset.

Channel 2          Yoyo speed ( 0 = Indexed )

Channel 3          Yoyo travel ( 0 = Index only, 255 = full )




                                                                           12
                     S e l f - P r o g r a m m i n g


     Introduction:

     An internal sequencer is included as standard in the Yoyo+ . This allows you
     to program up to 60 individual steps into a sequence which can be started
     automatically every time the unit is powered up.
     Each step can hold information about all of the functions that the Yoyo+
     normally has - speed of yoyo, yoyo travel distance, yoyo position offset and
     index position, as well as an additional parameter for the delay between
     each of the steps.

     Requirements:

     To be able to program the Yoyo+ you will need the following:

     The Yoyo+ in need of programming
     A suitable Yoyo+ power supply (see Yoyo+ user guide)
     A control desk capable of outputting at least 10 channels of DMX512*

     *Note: although it is possible to programme the Yoyo+ from any DMX light-
     ing console, it is preferable for the desk to be able to show its levels in
     binary (0 - 255) instead of percentage (0% - 100%) as this will make pro-
     gramming easier.

     Programming your sequence:

     There are a number of steps required to program the YOYO+, these are list-
     ed below in order:

     1. Enable Programming Mode
     2. Enable DMX input
     3. Set Levels and Functions
     4. Store Step
     5. Disable DMX input
     6. Exit Programming Mode




13
                  Programmable Sequences


Before programming, make sure that the Y0yo+ is connected to a suitable
power supply and that your control desk DMX output is connected to the
DMX input on the power supply. If all is well the Yoyo+ should calibrate
itself and then come to rest with the green light on continuously. If the
green light is flashing then there is a fault with the DMX connection and
this should be corrected before proceeding.

1. To enable programming mode you need to set the mode switch to posi-
tion 9 using a small screwdriver. At this point all the standard functions of
the Yoyo+ will be disabled and the unit should not be moving.

2. To enable the DMX input you need to set DMX output 9 on your control
desk to 93% (235-239 decimal). Without this your Yoyo+ will not respond to
your control desk. This is a security feature to stop accidental erasure of a
sequence.

3. Set the channels on your console so that the Yoyo+ is where you want it
to be or is moving at the required speed in step 1. The channels are as fol-
lows:

CHAN     FUNCTION
1        Yoyo 1 index position / position offset
2        Yoyo 1 speed
3        Yoyo 1 travel distance (0% = continuous Yoyo)
4        Yoyo 2 index position / position offset (Double Only)
5        Yoyo 2 speed (Double Only)
6        Yoyo 2 travel distance (0% = continuous Yoyo) (Double Only)
7        Delay time before next step (0 - 255 minutes)
8        Delay time before next step (0 - 255 seconds added to channel 7)

Note: During programming, the channels are always as stated above
regardless of the settings of the address switches on the Yoyo+.




                                                                            14
     The delay time is made up by adding the values of channel 7 and 8 togeth-
     er and represents the time between steps in the sequence; this can be set
     to be different for each of the steps.
     If an indexing position is set then the unit will index at the speed of the
     speed channel for that Yoyo+.

     4. To store the step, simply take DMX output 10 on your control console to
     100%. The green light will flash once on the indicator to confirm that the
     step has been stored in memory. DMX output 10 should now be returned to
     0% to enable further steps to be programmed.
     If you need to add more steps simply repeat steps 3 and 4 above, when all
     steps have been programmed proceed to step 5.

     5. After the last step, set your DMX output 9 to 0% once again, this con-
     firms that all the steps have been programmed and automatically creates a
     loop from your last step to your first so that the unit can run continuously.

     6. You can now disable programming mode by changing the mode switch to
     any position other than 9 Setting the mode switch to position 8 (playback)
     will allow you to test the sequence that you have just programmed.

     NB: Warning. Any previously stored programme will be erased when step 4
     is executed.




15
          P r o g r a m m i n g                          H i n t s


When creating a cue containing an index position, always give that cue a
fade time of 0 seconds. This will give you a smooth motion to the index
position. If the speed at which the index occurs is important then set the
unit into mode 1, 4 or 5 and use the speed channel to set the speed of
index.
Fading in or out of an index cue will result in a very irregular motion of the
gobos, excessive noise and possible loss of accuracy.




                                                                             16
     6                           A P P E N D I C E S


         APPENDIX 1 - YOYO FITTING REFERENCE CHART

         Yoyo+
         Unit        Gobo Size    Lantern
         Yoyo+003    B            ETC Source Four.
                                  Strand SL Range

         Yoyo+004    B            Selecon Pacific.


         Yoyo++
         Unit        Gobo Size    Lantern
         Yoyo++203   2xB          ETC Source Four.
                                  Strand SL Range

         Yoyo++204   2xB          Selecon Pacific.




17
    Power Supply Compatibility


APPENDIX 3 – POWER SUPPLY COMPATIBILITY

Chroma Q
Model PS08 power supply.
Model PS18 power supply.
All scrollers are compatible

Rainbow
Maxi power supply.
Micro power supply.
The range of Pro scrollers are all compatible excluding the Stage One
model.

Wybron
Model 7150 power supply.
The Forerunner scroller

Current drawn by Yoyo+’s : Single – 150mA, Double – 250mA

APPENDIX 4 – CABLE WIRING DETAILS

DMX and 24V DC power supply connection shall be made via a 4-pin XLR
connector, with loop-through output. The pin connections are shown in the
table below.
Pin 1:    Power / Data Ground*
Pin 2:    Data –
Pin 3:    Data +
Pin 4:    +24V

* The data ground drain wire should only be connected in the female XLR
and should be cut short and isolated at the male XLR.
The cable used must consist of 2 power cores of at least 1mm each, and a
foil screened twisted pair for data with screen drain wire. Contact DHA for
details of suitable cable types.
DMX termination and line regeneration is provided in each unit, in order to
avoid the need for end-of-line termination. A relay is provided to bypass
the DMX buffer in the event of power failure.
                                                                           18
        Declaration of Conformity



               DECLARATION OF CONFORMITY
                  According to ISO/IEC Guide 22 and EN 45014



     Manufacturer's Name                  DHA Lighting Limited.


     Manufacturer's Address
     DHA Lighting Limited
     284 - 302 Waterloo Road
     London SEI 8RQ
     England
     declares, that the product(s):

     Product Name:    Indexing Yoyo
     Model Number(s): Yoyo+      Yoyo++




     conform(s) to the following Product Specifications:

     Safety:             Relevant clauses of
                         EN 60-065: 1993


     EMC:                EN55013–1       Emissions
                         EN55013–2       Immunity
                         EN61000-3-2     Harmonics


     Supplementary Information:


     The products herewith comply with the requirements of the Low
     Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC. The
     products were tested in a typical configuration.




     Wyatt Enever
     Director

     Date 6/12/01


     European Contact:

     DHA Lighting Limited
     284 - 302 Waterloo Road London SEI 8RQ England
     Tel +44 (0)171 771 2900 Fax +44 (0)171 771 2901



19
284 – 302 WATERLOO ROAD LONDON SE1 8RQ                 tel   +44(0)20 7771 2900      fax   +44 (0)20 7771 2901
       e–mail   sales@dhalighting.co.uk   website   www.dhalighting.co.uk   isdn   +44(0)20 7401 9202

				
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Description: Yoyo+ and Yoyo++ Instruction & Maintenance Manual