HWce User Manual
Contents
1. 0x02 red R 0x03 green C 0x04 yellow R G 0x05 blue B 0x06 magenta R B 0x07 cyan 0x08 0x7f LED off Bytes 7 38 The 32 ASCII 7 bit bytes for the text to display each byte can be 0x00 0x7f Byte 39 EOX End of System Exclusive always Oxf7 5 Technical parameters Table 2 hwicd mini technical parameters Power supply voltage 9 12 AC DC White on blue with backlight 30 Power supply current Black on green with backlight 160 Recognized MIDI Hauptwerk specific System Exclusive messages message for controlling Displays Comment Adapter or transformer May be other on request 0127 Backlight User selectable User selectable 3 1 x1 4 x1 1 approx with no cables attached 2 0 oz with no cables attached Retransmitted MIDI Any received The unit is actually transparent for messages all MIDI messages info midiboutique com www midiboutique com diagram mini wiring Appendix A hwicd Ag Jo yous UOISIADY DOCUSS Supe uru c pow wies o 107 0c OW weep 8 ruru qr TMH OQ OV AcI 3904 entr ul IAIN mo IAIN info midiboutique com www midiboutique com bundle 1 wiring diagram mini Appendix hwicd Kg podus Sun q ruru c po wy wies Jo PNS 61020 v ADIN TIXIAIWC UOISIADY weep 8 go pung runu qoTAH epu OGI OV ATT J90d jaxoos mo2. d MOIN 00 gow 2 z i E E d gt 3 z jaz EN e info midiboutique com www midiboutique com bundle 2 wiring diagram mini Appendix C hwlcd 6 WABI ooquos 8 o jo eus 007 0c DIN TIXINING UOSAN JoquinN BULL AN c ajpung junu q71A H OA DV 1 unu z 19320 amod smd up g z 3 di d 5 ENH palqai pnu t I LINI1 v vvu z 99 2 B gt NE amp g m S ue UU info midiboutique com www midiboutique com Appendix D hwicd mini bundle 3 wiring diagram S E 2 2 lt info midiboutique com www midiboutique com sund exzny jeurp eny eny gny eny eny eny eny Paq8rpnu gnu enu Power Socket 2 5mm RGB LED cc Power 12V AC DC hu3 hu3 Iu23 pwrs Title HWLCD mini Bundle 3 Wiring diagram z E 2 a g z E E 25 2 i8 a Sheet of CCAUsers hwled2 mini b3 wiring SchDoc Drawn By 2032013 r Date File 6
3. hwlcd mini LCD panel for Hauptwerk virtual organ user s guide 1 Introduction The hwlicd mini is compact display module designed for use with Hauptwerk VPO as well as with any other application that support Hauptwerk s original System Exclusive messages format It is supposed to play the role of intelligent label for stops and other console controls so that their functionality could be easily assigned changed from within Hauptwerk The module has standard opto insulated MIDI input and repeating MIDI output that allows easy inserting this module in existing MIDI consoles even chaining up to 128 hwicd mini units a system The standard display is 2x16 characters on blue background can be black on green as well on request An optional RGB LED CC can be controlled allowing up to 8 different colors or color combinations based on RGB scheme which may be used for indicating modes groups etc The text on display as well as the LED color are controlled by means of System Exclusive message defined in Hauptwerk online documentation http www hauptwerk com clientuploads documentation CurrentUserGuide Hauptwerklnstal lationAndUserGuide pdf 2 Settings For using multiple LCD character displays Hauptwerk supports 16 bit address space allowing addressing virtually up to 65536 display units hwlicd mini itself has 8 jumpers on its back side Fig 1 The jumpers numbered 1 to 7 black jumpers are used for setting unit
4. ordingly Bigger number of chained units is also possible following same logic 4 MIDI Implementation The hwilcd mini standard firmware would only understand System Exclusive messages as defined in Hauptwerk specification Each MIDI byte received on MIDI input will be immediately retransmitted on MIDI output with no processing and or delay Any MIDI message that is different than Hauptwerk s System Exclusive will be simply ignored and won t affect the status of display LEDs The unit won t alter the MIDI messages passing thru so that they can be used by another units cascaded down the same MIDI line Following is the description of how hwlcd mini would interpret Hauptwerk System Exclusive message format all bytes shown in hexadecimal format Note that the format is compatible to Hauptwerk s original SysEx format but has extended color set so that any combination of the three basic LED colors Red Green Blue can be used The System Exclusive message is exactly 39 bytes in length Byte 1 System Exclusive start always OxfO Byte 2 Fixed manufacturer ID always 0 7 Byte 3 Message type code for Hauptwerk LCD output message always 0x01 Byte 4 LCD panel ID most significant byte ignored by hwlcd mini can be 0x00 0x7f Byte 5 LCD panel ID least significant byte interpreted by hwlcd mini as unique ID can be 0 00 0 7 Byte 6 Color code for controlling LEDs can be 0x00 0x7f 0x00 none LED off 0x01 white
5. s ID in range 0 127 according Table 1 The address space 0 127 would JUMPERS 87654321 hwicd mini um E E NL POWER na MIDI MIDI LED allow up to 128 hwlcd mini unit In Out RGB to be chained together in single system The 8 ht jumper shown in red color controls the LCD backlight For standard white on Fig 1 hwlcd mini bottom view blue LCDs the backlight must be on all the time otherwise characters become hard to see For black on green LCDs the backlight can be used per user choice The jumper can be replaced for external switch when if necessary Please note that the black jumpers i e unit s ID are read once upon unit reset and any change would take place after power cycle The unit s ID is displayed briefly upon each power up reset for user convenience info midiboutique com www midiboutique com Table 1 Setting unit ID Address on Jumpers 1 7 pacer osuere panes ens pel j000 jo jo jo jo 0o66 of on On jo _ jo J of info midiboutique com www midiboutique com info midiboutique com www midiboutique com 3 Wiring Appendix A shows the wiring diagram for single hwlcd mini using locally obtained wiring connecting materials Alternatively the unit is available in a form of bundles including all necessary wires and connectors plus RGB LED per display Appendices B C D show the wiring diagrams for bundle 1 2 and 3 acc
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