2640a/2645a input/output capabilities, Digital i/o, Digital i/o a-6 – Fluke NetDAQ 2645A User Manual

Page 214

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2640A/2645A NetDAQ

Users Manual

A-4

Table A-2. 2640A/2645A Environmental Specifications

Specification

Characteristic

Warm-up Time

1 hour to rated specifications -or- 15 minutes if relative
humidity (non-condensing) is 50% or less.

Operating Temperature

-20

°

C to 60

°

C (-4

°

F to 140

°

F)

Storage Temperature

-40

°

C to +70

°

C (-40

°

F to +158

°

F)

Relative Humidity

90% maximum for -10

°

C to 28

°

C (14

°

F to 82.4

°

F)

75% maximum for 28

°

C to 35

°

C (82.4

°

F to 95

°

F)

50% maximum for 35

°

C to 60

°

C (95

°

F to 140

°

F)

(3 M

range, reduce humidity rating by 25% for 1 hour

warm-up. 3 M

range meets full humidity ratings with 2

hour warm-up.)

Altitude

Operating: 2,000m (6,561 ft) maximum
Non-operating: 12,200m (40,000 ft) maximum

Vibration

0.7g at 15 Hz
1.3g at 25 Hz
3g at 55 Hz

Shock

30g half sine per Mil-T-28800E
Bench handling per Mil-T-28800E

2640A/2645A Input/Output Capabilities

A-5.

The following specifications include the input/output functions, including the
Digital I/O, Trigger Out, Trigger In, and Master Alarm output.

Digital I/O

A-6.

Table A-3 provides a summary of the Digital I/O specifications for the 8 Digital
I/O lines (0 to 7). Digital I/O is located on the DIGITAL I/O connector, terminals
0 to 7, and GND.

Table A-3. 2640A/2645A DIGITAL I/O Specification

Specification

Characteristic

Maximum Input Voltage

30V

Minimum Input Voltage

-4V

Isolation

None (dc coupled)

Threshold

1.4V

Hysteresis

500 mV

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