Measurement-computing DaqBoard-ISA Manual de usuario descargar pdf (Pagina 45)

Appendix A – Specifications, ISA-Type DaqBoards

02-14-02

A-3

High-Speed Digital Inputs

for DaqBoard/200A

16 input lines

Connector:

DB37 male, P3 (on-board 40-pin DIN is externally accessible

via DB37 with optional CA-60)

Maximum Sampling Rate:

100 kHz

Input Low Voltage:

0.8V max

Input High Voltage:

2V min

Input Low Current:

10 nA

Input High Current:

-10 µA

Counter/Timer

for DaqBoard/200A

5 counter/timer channels

Connector:

DB37 male, P3 (on-board 40-pin DIN is externally accessible

via DB37 with optional CA-60)

Frequency/Pulse Counting Mode:

Up or down, binary or BCD

Maximum Pulse Count:

80-bit binary; (5 channels cascaded)

Maximum Input Rate:

7 MHz

Minimum High Pulse Width:

70 ns

Minimum Low Pulse Width:

70 ns

On-board Time Base:

1 MHz

Input Low Voltage:

0.8V max

Input High Voltage:

2.0V min

Input Low Current:

-0.1 mA

Input High Current:

20 µA max

Frequency/Pulse Generating Mode

Maximum Output Frequency:

1 MHz

Duty Cycle:

Variable between limits of approximately 0.0015% and 99.99%

Output High Voltage:

2.4V min @ 15 mA

Output Low Voltage:

0.5V max @ 24 mA

Cable Information Part No.

Adapter cable for the DaqBoard/200A P2 or P3 port CA-60

Ribbon cable (6 ft) with a female DB37 connector on one end, unterminated

on the other. This cable provides convenient wiring to DaqBoard P1, P2, &

P3 ports.

Note

: For a cable distance of more than 6 feet, attachment to a

DaqBoard/200A P2 or P3 requires the use of an optional

CA-60 cable.

CA-113

Expansion cable from ISA DaqBoard to DBK expansion products CA-131-1T

Shielded expansion cable from DaqBoard to DBK41; 7 in. CA-143-7

Shielded expansion cable from DaqBoard to DBK41; 18 in. CA-143-18

Note

: Specifications are subject to change without notice.

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Measurement-computing DaqBoard-ISA Manual de usuario Pagina 45

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