Measurement-computing 200 Series DaqBook Uživatelský manuál stáhnout pdf (Strana 53)

Appendix A – Specifications, DaqBooks

02-14-02

A-3

Analog Outputs

Channels:

Connector:

DB37 male, P1

Resolution:

12 bits

Voltage Ranges:

0 to 5 VDC with built-in reference;

0 up to ±10 VDC with external reference

Maximum Output Current:

10 mA

General Purpose Digital I/O

for DaqBook/100, /120, /200, & /260

24 I/O channels, expandable up to 192

Connector:

DB37 male, P2

Device:

82C55

Output Voltage Levels

Minimum “1” Voltage:

3.0 @ 2.5 mA sourcing

Maximum “0” Voltage:

0.4 @ 2.5 mA sinking

Output Current

Maximum Source Current:

2.5 mA

Maximum Sink Current:

-2.5 mA

Input Voltage Levels

Minimum Required “1” Voltage Level:

Maximum Allowed “0” Voltage Level:

0.8V

Output Float Leakage Current:

10 µA

High-Speed Digital Inputs

for DaqBook/100, /120, /200, & /260

16 input lines

Connector:

DB37 male, P3

Maximum Sampling Rate:

100 Kwords/s

Input Low Voltage:

0.8V max

Input High Voltage:

2V min

Input Low Current:

10 nA

Input High Current:

-10 µA

Counter/Timer

for DaqBook/100, /120, /200, & /260

5 counter/timer channels

Connector:

DB37 male, P3

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

Cable Information Part No.

DB25 male to DB25 female parallel cable, 2 ft. CA-35-2

DB25 male to DB25 female parallel cable, 6 ft. CA-35-6

DBK expansion cable from DaqBook to DBK modules; 2.5 in. CA-37-1T

DBK expansion cable from DaqBook to DBK modules; 4.5 in. CA-37-3T

DBK expansion cable from DaqBook to DBK modules; 5.5 in. CA-37-4T

DBK expansion cable from DaqBook to DBK modules; 11.5 in. CA-37-8T

Ribbon cable with female DB37 connector, provides convenient wiring to DaqBook P1,

P2, and P3 ports without requiring soldering to DB37 connectors, 6 ft.

CA-113

5-pin male DIN to 5-pin male DIN provides convenient connection between DaqBook

power input connectors and battery packs (also used to daisy-chain input power to

expansion modules equipped with 2 power input connectors, e.g., DBK32A, DBK42), 6 in.

CA-115

5-pin DIN to automobile cigarette lighter power cable, 8 ft. CA-116

Note

: Specifications are subject to change without notice.

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