Section 1: Introduction
Model 2281S-20-6 DC Power Supply and Battery Simulator Reference Manual
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077114601 / March 2019
Key features
The 2281S has three basic functions: High-performance power supply, battery test, and battery
simulation.
As a high-performance power supply:
High-current resolution and sensitivity to measure a wide range of load currents
6½-digit measurement resolution to enable a wide range of measurements on a single current range
Fast current measurements to test or study load current pulses as narrow as 100 μs
Linear mode, low noise output
As a battery test instrument:
Battery capacity test with charging and discharging functions
Battery charge and discharge process and data logging (voltage, current, resistance, and amp-hour
information)
Generate a battery model based on battery test results
Measure open-circuit voltage and resistance
As a battery simulator:
Simulate a real battery based on a battery model
Dynamic and static simulation mode to simulate battery output
Intuitive way to show battery capacity and battery voltage on home screen
Other features:
Color TFT display with icon-based and soft-key user interface
Data logging and analysis with graphical display and statistics for trend analysis
GPIB, USB-TMC, and LAN LXI interfaces for automated test development
Digital I/O for rich trigger functions
Direct parameter entry using the front-panel keypad, soft keys, or the navigation control
Front-panel USB-A connector for flash-drive support
Front and rear inputs with remote sense connections on the rear-panel connector
Overcurrent, overvoltage, and overtemperature protection
Compact, 2U, half rack, stackable form factor fits easily in a test rack
Model
Description
2281S-20-6
Precision-measurement DC power supply, 20 V, 6 A
