DSD - the Digital Servo Driver

DSD (board size 78 x 66 mm)

available end of Q3 / 2017

The DSD is a hardware module for building up digital driver based scanning systems. Due to the full digital approach and its small size, very compact and innovative solutions can be realized. DSD hardware consists of DSI and DSC board which can be easily mounted on each other.

Typical components of a scanhead

Components of a DSD based scan head

Depending on the used technology, different components are required for building a scan head.

Typical scan head with anlog control circuit:
- one board for converting the XY2-100 into two analog positions signals
- two analog control circuit boards (one for each galvo x and y)
- two galvos (x and y mirror) with capacitive or optical encoder

DSD based scan head:
-one DSD module
- two galvos (x and y mirror) with capacitive, optical or digital encoder

Specification of DSD

DSD DSC DSI Data Flow

General
- compact format - board size 78 x 66 mm
- one DSD can drive two galvanometer scanners
- different types of DSI boards available (for galvos with capacitive, optical and digital encoders)
- extension connector for customized solutions
- XY2-100 and bidirectional XY-SCAPS interface
- optimized scanning performance
- auto tuning of galvos
- overshoot protection
- error detection
- low power consumption

Advanced features using XY-SCAPS and USC-3:
- dynamic pulse and power control
- switch between different tuning parameters
- read and show real scanner positions

Power
- typically 15 - 36 Volt

DSD Hardware

DSC-1 Digital Servo Controller
DSI-1-A16 Digital Servo Interface 16 bit Analog

DSD hardware consists of DSI and DSC board which can be easily mounted on each other.

Required voltage: typically 15 - 36 Volt
Dimension: Total about 66 * 80 * 30 mm - for driving two galvos

DSI-1-A16   the Digital Servo Interface 16bit Analog
- compact format
- analog 16 bit position input with AGC
- two galvos can be connected

DSC-1    the Digital Servo Controller
- compact format
- low power consumption
- extension connector for customized solutions
- CPU and digital position control output
- two galvos can be connected / controlled
- XY2-100 electrical interface to control board - protocols XY2-100 or XY-SCAPS

DSD Software

show real scanner positions

DSD - Basic
- digital control interface XY-SCAPS to USC-3
- auto tuning
- overshoot protection        
- optimized scanning performance
- error detection

DSD - Advanced
- requires DSD - Basic
- XY2-100 interface to virtually any control board or
the following advanced features if using interface XY-SCAPS to USC-3:
- dynamic pulse and power control
- switch between different tuning parameters
- read and show real scanner positions