Counters; Pacer; Power Consumption; Environmental - Measurement Computing PCI-DAS6402/16 User Manual

PCI-DAS6402/16 User's Guide

Counters

User counter type
Configuration
Counter 1 source
Counter 1 gate
Counter 1 output
Clock input frequency
High pulse width (clock input)
Low pulse width (clock input)
Gate width high
Gate width low
Input low voltage
Input high voltage
Output low voltage
Output high voltage

Pacer

ADC pacer type
Configuration
ADC pacer Source
ADC pacer Gate
ADC pacer Out
DAC Pacer type
Configuration
DAC pacer source
DAC pacer gate
DAC pacer out
Internal pacer crystal oscillator
Frequency accuracy

Power consumption

+5 V

Environmental

Operating temperature range
Storage temperature range
Humidity
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Table 17. Counter specifications
82C54
One down counter, 16 bits. Counters 2 and 3 not used.
External from connector (CTR1 CLK)
Available at connector (CTR1 GATE).
Available at connector (CTR1 OUT).
10 MHz max
30 nS min
50 nS min
50 nS min
50 nS min
0.8 V max
2.0 V min
0.4 V max
3.0 V min
Table 18. Pacer specifications
ASIC
1 down counter, 24 bits (1 scan interval, 1 sample interval)
40 MHz
Internally controlled by software/hardware trigger.
ADC pacer clock, available at user connector (A/D pacer out)
ASIC
1 down counter, 24 bits (1 scan interval, 1 sample interval)
40 MHz or 100 kHz internal source. Software selectable
Internally controlled by software/hardware trigger.
DAC pacer clock. Available at connector. (SSH OUT / D/A PACER OUT). This pin is
software selectable as SSH OUT or D/A PACER OUT.
40 MHz
50 ppm
Table 19. Power consumption specifications
2.9A typical, 3.3 max
Table 20. Environmental specifications
0 to 70 °C
-40 to 100 °C
0 to 95% non-condensing
5-7
Specifications