Measurement-computing CIO-PDMAxx Uživatelský manuál stáhnout pdf (Strana 25)

6.0 SPECIFICATIONS

Typical for 25°C unless otherwise specified.

Power Consumption

+5VDC

CIO-PDMA16 850 mA typical, 1.0 A max

CIO-PDMA32 900 mA typical, 1.1 A max

Digital Input / Output

Digital Type Auxiliary

Configuration Output

Number of channels 3

CIO-PDMA16

74LS273

Output High 2.7 volts min @ −0.4 mA

Output Low 0.5 volts max @ 8 mA

Input High 2.0 volts min, 7 volts absolute max.

Input Low 0.8 volts max, −0.5 volts absolute min

CIO-PDMA32

74LS125

Output High 2.4 volts min @ −2.6 mA

Output Low 0.5 volts max @ 24 mA

Input High 2.0 volts min, 7 volts absolute max

Input Low 0.8 volts max, −0.5 volts absolute min

Digital Type Ports A & B

CIO-PDMA16

Output 74LS374

Input 74LS244

CIO-PDMA32 74LS245

Number of channels 16 I/O

Output High 2.4 volts min @ −2.6 mA

Output Low 0.5 volts max @ 24 mA

Input High 2.0 volts min, 7 volts absolute max

Input Low 0.8 volts max, −0.5 volts absolute min

Power-up / Reset State

Input mode (high impedance)

Digital Pacing

Programmable: internal counter, external

source (Transfer Req In) or software polled

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