Appendix C — Specifications
55
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 (TTL compatible)
Hysteresis:
1.1 V (turns off at +1.8 V)
Input load:
1 TTL load
Maximum input voltage:
±
12 V
Minimum pulse width:
5
µ
s
Microprocessor and Data Communication
Processor:
16 MHz 68340
Memory:
512 K RAM
Data communication:
SCSI (up to 4 megabytes/s, maximum,
dependent on computer)
USB (up to 500 kilobytes/s, maximum
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.
Digital output:
8 independent lines, TTL output level
(50 mA maximum load per line; 250 mA
maximum total load)
Digital input:
8 independent lines, TTL input level,
threshold 2.2 V
Содержание PowerLab/16SP
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