The Uniblitz D122 Shutter Driver is a precision control unit engineered to operate Vincent Associates VS series shutters and all Uniblitz shutters at their maximum repetition rates. It delivers synchronized exposure control for optical and laser applications across research, microscopy, and industrial imaging systems. The driver accommodates both normally open and normally closed shutter configurations and features three selectable operational modes via key switch: Standard (STD) for external pulse or contact closure control, Line Interrupt (A) for AC line failure detection with manual reset capability, and DC Interrupt (B) for DC voltage monitoring with manual reset on continuity restoration.
Technical Specifications
Shutter Compatibility
• Operates all Uniblitz shutters including VS series
• Patented design enables shutters to reach maximum specified frequency
Operating Modes
• Standard (STD): Exposure controlled by external pulse source or switch contact closure
• Line Interrupt (A): Self-disables upon AC line failure; manual reset required
• DC Interrupt (B): Self-disables upon DC voltage level disruption at interrupt input; manual reset required
Input Control
• External pulse (BNC, TTL) or switch contact closure for exposure timing
• Pulsed on/off exposure control via external pulse or remote actuate cable
• Reset input accepts external pulse (BNC, TTL), front panel switch, or remote actuate cable; requires 25ms pulse minimum
• RS-232 serial interface via 910RS cable for all input control
• Rising or falling edge selection for all input functions
Output Signals
• Exposure pulse output: BNC, TTL, active-low, maximum +4VDC; duration determined by exposure setting or input pulse length
• Electronic synchronization output (Sync): BNC, TTL, active-low, maximum 0.2VDC when active
• +8VDC unregulated output for remote switching and control circuits
Electrical
• Input voltage: 115VAC (60Hz) or 230VAC (50Hz) auto-sensing
• Line fuse: 3AG 1/2 Amp (115VAC) or 1/4 Amp SB (230VAC)
• Shutter fuse: 3AG 1/2 Amp
• Standard three-prong power inlet
– Key Features
• Three operational modes selectable via key switch for enhanced flexibility
• Supports normally open and normally closed shutter configurations
• Multi-input control: external pulse, contact closure, RS-232 serial interface
• Edge-selectable input triggering (rising or falling)
• Daisy-chaining capability via exposure pulse output
• Auto-detection for dual AC line voltages
– Typical Applications
• High-speed microscopy and imaging systems
• Pulsed laser control and synchronization
• Research laboratory optical instrumentation
• Industrial vision and inspection systems
– Compatibility & Integration
Compatible with all Uniblitz shutters and Vincent Associates VS series. Interfaces via BNC connectors for pulse signals and TTL control, RS-232 serial link (910RS cable), remote actuate cables, and front panel controls.


















