The Racal Instruments 1260-114 is a high-density digital I/O plug-in module for the Racal Instruments 1260-100 Adapt-a-Switch VXIbus carrier. It delivers flexible I/O configurations with multiple signal level options, enabling precise switching and control across calibration labs, manufacturing facilities, and research environments.
Technical Specifications
Channel Density & Configuration Options
• 96 channels: TTL, CMOS, or open-collector (OC) input/output
• 48 channels: High-voltage/current open-collector (HVOC) alternative
• TTL and CMOS channels configurable as input, output, or tri-state (high-impedance)
• CMOS version maintains TTL-level compliance within driver current limits
Voltage & Current Ratings
• HVOC version: 50 V drive, 1.5 A sink per channel; external pull-up to 50 VDC per independent group
• OC version: 32 V drive, 200 mA sink per channel; external pull-up to 32 VDC per independent group
• Power requirement: +5 VDC at 2.5 A maximum
Operating Performance
• Data rate: Up to 200 kHz (asynchronous, register-based)
• Operating modes: Synchronous, asynchronous, or mixed
• Programmable 2-wire handshaking with active-high or active-low configuration
– Key Features
• Single-slot C-size VXIbus form factor optimizes chassis space utilization
• Data manipulation in hexadecimal, decimal, or binary formats
• LBUSC11S signal for synchronous event announcement and emergency reset signaling
• Approximate weight: 10 lbs per module
– Compatibility & Integration
• Native command set via Racal Instruments Option 01
• SCPI compliance through Option 01T (message-based and register-based)
• VXIplug&play support for WIN95/NT with LabWindows/CVI and LabVIEW drivers
• Hot-swap replacement capability within Adapt-a-Switch platform
