Measurement-computing USB-1602HS-2AO Manual do Utilizador descarregar pdf (Página 44)

USB-1602HS-2AO User's Guide Specifications

Quadrature decoders

Table 15. Quadrature decoder specifications

Parameter

Conditions

Specification

Number of decoders

3 (CTR4A, B, Z; CTR5 A, B, Z; CTR6 A, B, Z)

Signals per decoder

A, B and Z

Resolution

16 or 32-bits

Maximum frequency

6 MHz

Minimum pulse width

25 nS high, 25 ns low

De-bounce function

16 selections, from 500 ns to 25.5 ms, positive or

negative edge, glitch detect, and/or de-bounce

modes

Input high voltage

2.0 V minimum, 5.5 V maximum

Input low voltage

0.8 V maximum, 0 V minimum

Absolute maximum input voltage

15 V

Power

Table 16. Power specifications

Parameter

Conditions

Specification

Supply current

Continuous mode

1.5 Amp maximum

+5V EXT output voltage range

4.75 V to 5.25 V

Isolation

Measurement system to PC

500 VDC minimum

AC power adapter specifications (MCC part number PS-5V2AEPS)

Output voltage

5V, ±5%

Output power

10 watts

Power jack configuration

Two conductor, barrel

Power jack barrel diameter

6.3 mm

Power jack pin diameter

2.0 mm

Power jack polarity

Center positive

USB specifications

Table 17. USB specifications

Parameter

Specification

USB device type

USB 2.0 (high-speed)

USB device compatibility

USB 1.1, 2.0

USB cable length

Three meters maximum.

USB cable type

A-B cable, UL type AWM 2527 or equivalent (minimum 24 AWG VBUS/GND,

minimum 28 AWG D+/D-).

Environmental

Table 18. Environmental specifications

Parameter

Specification

Operating temperature range

0 to 55 °C maximum

Storage temperature range

-40 to 85 °C maximum

Humidity

0 to 90% non-condensing

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