38
PowerLab Owner’s Guide
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
µ
s
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:
2.4 kg (5 lb 3 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
Maximum power needs:
18 VA (full complement of front-ends and
pods)
Operating temperature range:
0 to 35
°
C, 0 to 90% humidity (non-
condensing)
ADInstruments reserves the right to alter these specifications at any time.
Summary of Contents for PowerLab 2/20
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Page 40: ...32 PowerLab Owner s Guide ...
