Automated Music Punching
AMP-1
This circuit provides the interface between a computer (PC) and a two-axis punch machine driven by stepper motors.
The following features are provided:
- Independent punch head and roll movement axes
- Outputs suitable for connection to common stepper drives (typical drive cost: £40 each)
- Trapezoidal movement profile generation with software-controllable acceleration and speed limit
- Output step rate up to 200,000 steps/second
- Positional resolution better than 1 part in 8.3 million
- Overload protected power switch for punch solenoid rated at up to 60V and 10A
- Connected by high-speed serial interface to the host computer
- Four logic inputs for roll tracking, head position and punch status sensors
- Built-in head position detection and calibration functions
- LED indicators show actions as they are carried out
- Visible and audible alarm indicators for fault warning
- Powered by a DC supply anywhere in the range 8 to 35 volts
- Built on a high quality glass fibre PCB measuring 120 x 70 mm
- Power connections made by high quality rising-clamp terminals
- Supplied with comprehensive installation notes
- RoHS compliant (free from hazardous substances such as lead, mercury and cadmium)
The software provides the following functions:
- Operates under 32-bit Windows (eg. Vista, XP, 98)
- Converts Type 0 or Type 1 MIDI files to real-time punch control instructions
- Uses user-definable scale files to specify the translation between notes and punch positions
- Allows filtering of notes to punch by MIDI channel
- Minimises material usage by allowing initial rests to be ignored
- User-selectable punching start point
- Note boundary punching with adjustable advance optimises note timing accuracy
- Minimum boundary distance setting prevents unnecessary punch actions
- Punch output can be previewed in an interactive visual window
- Loaded MIDI files can be played to the system MIDI output device (eg. sound card)
- Bar number and elapsed time display shows current position
- Allows easy setting of punch machine parameters and remembers these settings
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| Main Window | Roll Preview |
The price of the controller circuit and software is £380.00 (UK Pounds), including installation instructions and technical support by e-mail/telephone
Use the buttons below to make a purchase on-line and manage your order:
Please see the Downloads page for additional documents and software relating to this product.
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