Appendix C — Specifications 35
Output ranges: ±200 mV to ±10 V full scale in six steps
± 10 V
± 5 V
± 2 V
± 1 V
± 500 mV
± 200 mV
External Trigger
Trigger threshold: +2.9 V ±0.25 V or contact closure
(software-selectable)
Hysteresis: 1.1 V (turns off at +1.8 V ±0.25 V)
Input load: 2.2 mA at 5 V, 5.5 mA at 10 V
Maximum input voltage: ±12 V
Minimum trigger time: 5 µs
Microprocessor and Data Communication
Processor: PPC403 GCX (60 MHz internal)
Memory: 4 MB DRAM
Data communication: USB (up to 800 kilobytes/s, possibly greater
dependent on setup)
Expansion Ports
I
2
C expansion port: Power and control bus for front-end units.
Supports up to 16 front-ends, but limited to
the PowerLab’s free connectors. Interface
communications rate of up to 10,000 bits/s.
Physical Configuration
Dimensions (w × h × d): 200 mm × 65 mm × 250 mm
(7.9" × 2.6" × 9.8"); excludes connectors
Weight: 2.0 kg (4 lb 6 oz)
Operating voltage: 90–260 V AC 50/60 Hz
Nominal power needs: 6 VA (25 mA @ 240 V or 52 mA @ 115 V); no
front-ends or pods attached