beautypg.com

Settling time, Digital input / output, Main connector – Measurement Computing PCIM-DAS16JR/16 User Manual

Page 23: Settling time -3, Digital input / output -3, Main connector -3

background image

PCIM-DAS16JR/16 User's Guide

Specifications

Settling time

Settling time is defined here as the time required for a channel to settle to within a specified accuracy in
response to a full-scale (FS) step. Two channels are scanned at a specified rate with a –FS DC signal presented
to channel 1 and a +FS DC signal presented to channel 0.

Accuracy

Condition Range

±0.00076%

(±4 LSB)

±0.0015%
(±8 LSB)

±0.0061%
(±16 LSB)

±10 V

Typ.

400 µS

100 µS

10 µS

±5 V

Typ.

100 µS

20 µS

10 µS

±2.5 V

Typ.

60 µS

12 µS

10 µS

±1.25 V

Typ.

50 µS

10 µS

0 to 10 V

Typ.

400 µS

100 µS

10 µS

0 to 5 V

Typ.

100 µS

20 µS

10 µS

0 to 2 V

Typ.

60 µS

12 µS

10 µS

Same range to
same range

0 to 1.25 V

Typ.

50 µS

10 µS

Digital input / output

Main connector

Digital output type

5V/TTL compatible

Digital input type

5V/TTL compatible, pulled to logic high via 10 K resistor network

Number of I/O

8

Configuration

4 fixed input, 4 fixed output

Output high voltage

3.8 volts min. @ -32 mA

Output low voltage

0.55 volts max. @ 32 mA

Input high voltage

2.0 volts min., 7 volts absolute max.

Input low voltage

0.8 volts max., -0.5 volts absolute min.

Data transfer

Programmed I/O

Power-up / reset state

DIG OUT [3:0] - TTL logic low state

6-3