Measurement-computing USB-1096HFS Instrukcja Użytkownika Pobierz pdf (Strona 20)

Chapter 4

Specifications

Typical for 25 °C unless otherwise specified.

Specifications in italic text are guaranteed by design.

Digital input / output

Table 1. Digital I/O specifications

Output 74ABT244A

Input 74ACT373

Configuration 8 banks of 8, 8 banks of 4, programmable by bank as input or output

Number of I/O 96

Output high 2.0 volts min @ -24 mA

Output low 0.5 volts max @ 64 mA

Input high 2.0 volts min, 5.5 volts max

Input low 0.8 volts max, -0.5 volts absolute min

Source current Maximum = 24 mA per output

Sink current Maximum = 64 mA per output

Power up / reset state Input mode (10 K ohm pulled-up by default)

Power

Table 2. Power specifications

Parameter Conditions Specification

USB +5 V input voltage range 4.75 V min. to 5.25 V max.

USB +5 V supply current All modes of operation <100 mA

External power input

6.0 VDC to 12.5 VDC (9 VDC power

supply provided)

External power supply (included) MCC p/n CB-PWR-9V3A 9 V ± 10% @ 3 A

6.0 V > Vext or Vext > 12.5 V PWR LED = Off (power fault) Voltage supervisor limits - PWR LED

6.0 V < Vext < 12.5 V PWR LED = On

Power supply current 2.6 A max

User 5 V output voltage range

Available at 5 V screw terminals

(25, 77, and 103)

4.0 V min., 5.25 V max.

User 5 V output current available Total from all 5 V screw terminals 50 mA max

External power output

Table 3. External power output specifications

Parameter Conditions Specification

External power output - current range Note 1 4.0 A max. @ 25 °C

External power output - voltage range

The input voltage minus the output voltage at the

daisy chain output

0.5 V max

Compatible cable(s) for daisy chain C-MAPWR-x x = 2, 3, or 6 feet

4-1

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 26 27

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