The NI PC-AO-2DC is an analog output and digital I/O board for ISA-based PC systems, delivering dual-channel analog signal generation and 16-bit digital interfacing. Designed for legacy IBM PS/2 and PC/XT/AT platforms, this board enables precision set-point generation and external device control through both voltage and current outputs.
– Technical Specifications
Analog Output
• 2 channels with 12-bit DACs
• Selectable voltage and current output modes
• Current output: 0–20 mA
• Settling time: 100 μs
• Slew rate: 0.3 V/μs
• DC coupling
Digital I/O
• 16-bit configurable input/output
System Performance
• Warm-up time: 15 minutes
– Key Features
• Dual-channel independent analog outputs with programmable coupling and range selection
• 16-bit digital I/O for synchronous control and monitoring
• 50-pin male connector standard; works with CB-50 LP or CB-50 I/O Connector Block accessory and NB1 cable
• ISA bus compatibility (8-bit or 16-bit slots)
• NI-DAQ driver software control
– Typical Applications
• Industrial process control and analog set-point generation
• Equipment calibration and signal simulation
• Digital logic sequencing and external device switching
• Legacy system data acquisition upgrades
– Compatibility & Integration
The PC-AO-2DC installs directly into ISA expansion slots on IBM PS/2 and PC/XT/AT systems. Operation requires NI-DAQ driver software; support includes LabVIEW and LabWindows/CVI environments on Windows OS platforms. Standard 50-pin connector accommodates optional CB-50 accessory blocks for field wiring.
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