DataShuttle - Iotech - Datasheet.Directory

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Temperature & Voltage Measurement

DataShuttle

™

High-Accuracy Temperature & Voltage

Measurement Modules

Features

•8 differential analog inputs, with 6

software programmable ranges

•Integrating V-F converter for 12 to 20

bits of resolution and 1 µV sensitivity

•100% digital calibration — no

potentiometers

•Universal inputs measure thermo-

couples, RTDs, and isolated inputs

•Measurement rates up to 1500 Hz

•8 digital I/O, individually selectable

as input or output

•2 optional analog outputs; 12 bit,

1500 Hz

•AC line or DC (5 to 9V) operable

DataShuttle™ products provide accurate,

low-noise, high-resolution measurements

in a compact module that simply attaches

to a PC’s standard parallel port. The de-

vice uses an integrating voltage-to-fre-

quency converter for low-noise measure-

ments with up to 1 µV sensitivity, along

with programmable resolution from 12 to

20 bits. The DataShuttle’s integrating A/D

provides a high degree of AC line rejec-

tion, making it ideal for accurate, low-

noise measurements, including volts, ther-

mocouples, and RTDs, even in noisy in-

dustrial environments.

The DataShuttle’s convenient on-board

signal conditioning provides voltage, ther-

mocouple, RTD or isolated inputs. Each

channel can have a different software-

selectable range and resolution. The ther-

mocouple version has an aluminum iso-

thermal block, providing the most accu-

rate and stable TC measurements available

on any PC-based instrument.

Analog Input

Four different models of the DataShuttle

are available, depending on the desired

signal conditioning (see p. 181). Up to 15

DataShuttles can be cascaded to one or

more parallel ports, for a total analog

input capacity of 120 channels.

* Windows® 3.1/95/98 only

** Contact factory for Windows® 2000 driver availability

† Contact factory for availability

Optional Analog Output

Any model of DataShuttle can be or-

dered with two channels of analog

output (must be ordered with product—

not user installable).

Printer Support

Each DataShuttle has a printer output

port, permitting a parallel printer to be

attached, or permitting up to 14 addi-

tional DataShuttles to be cascaded (total

cable length not to exceed 50 ft.).

Icon-based DASYLab® software allows users to quickly build applications without programming

Software

To get the most out of DataShuttle, use

DASYLab® software, with its intuitive icon-

based user interface. Within a few hours of

installation, DASYLab applications can be

up and running without any programming

(see p. 194). The DataShuttle is also sup-

plied with QuickLog™* software for effort-

less setup and signal verification, plus

drivers for Windows® 95/98/2000/NT**

and LabVIEW®†.

Highly accurate

DataShuttle

modules easily

attach to a PC’s

parallel port

181

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Temperature & Voltage Measurement

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DataShuttle

™

Signal Conditioning

General Purpose

Model DS-16-8-GP

The General Purpose DataShuttle accepts

eight differential voltage inputs, offering

six input ranges, from ±25 mV to +10V

full scale. Signal connections are made

via convenient screw terminal connec-

tions. A built-in cold-junction sensor al-

lows thermocouples to be attached to any

channel, although for the most accurate

TC measurements, the Thermocouple

model described below is recommended.

RTD/resistance measurements are also

possible by simply installing appropriate

range-determining resistors in specified

locations on the board (or purchase the

pre-configured RTD panel described on

the next page).

The General Purpose model includes eight

TTL-level digital I/O, and built-in sockets

for optional isolated high-voltage switch-

ing and sensing modules.

A version of this DataShuttle is also available

with built-in analog output.

Thermocouple

Model DS-16-8-TC

The Thermocouple DataShuttle includes

an Isothermal Block for eight channels of

TC measurements as accurate as 0.3˚C. All

channels are differential and can accom-

modate the same voltage measurements as

the General Purpose model described above.

Thermocouple types E, J, K, T, B, R, S, C, D,

G, and N are supported, and are software

selectable on a per-channel basis. RTD/

resistance measurements are also possible

by simply installing appropriate range-de-

termining resistors in specified locations

on the board.

The Thermocouple model includes eight

TTL-level digital I/O, and built-in sockets

for optional isolated high-voltage switch-

ing and sensing modules.

A version of this DataShuttle is also available

with built-in analog output.

Isothermal block and thermocouple

screw terminals User installable RTD/resistance range

resistors (requires soldering)

Sockets for optional isolated high-voltage

switching and sensing modules To printer or other

DataShuttle

User-installable RTD/resistance range

resistors (requires soldering)

Screw terminals

for digital I/O

signal connection

Screw terminals for analog output

signal connection (-AO)

To PC’s

parallel port

DC power

input

Screw terminals

for analog input

To printer or

other DataShuttle

Sockets for optional isolated high-voltage

switching and sensing modules

Screw terminals

for digital I/O

signal connection

Screw terminals for analog output

signal connection (-AO)

To PC’s

parallel port

DC power

input

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the smart approach to instrumentation

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Temperature & Voltage Measurement

DataShuttle

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Signal Conditioning

RTD/Resistance

Models DS-16-8-RTD-115C & DS-16-8-RTD-750C

The RTD DataShuttle offers eight chan-

nels of 2- or 3-wire RTD measurements.

Two models are available—the

DS-16-8-RTD-115C version for -200˚C

to +115˚C measurements, and the

DS-16-8-RTD-750C for -200˚C to

+750˚C. By simply removing a range

resistor on a particular range, all volt-

age measurements available on the

General Purpose module are accessible.

The RTD model includes eight TTL-level

digital I/O, and built-in sockets for op-

tional isolated high-voltage switching and

sensing modules.

Versions of this DataShuttle are also available

with built-in analog output.

Isolated 5B

Models DS-16-8-5B*

The Isolated 5B DataShuttle accepts up to

eight isolated 5B signal conditioning mod-

ules, for up to 500V isolation, channel-to-

channel and channel-to-common. Two

of the eight channels can also accept 5B

analog output modules for isolated ana-

log output applications (DS-16-8-5B-AO

only). Cold-junction sensors are provided

on every channel to accommodate ther-

mocouple measurements. Terminals for

supplying excitation to strain gages are

also provided on every channel.

The Isolated 5B model also includes eight

TTL-level digital I/O, and built-in sockets

for optional isolated high-voltage switch-

ing and sensing modules.

A version of this DataShuttle is also available

with built-in analog output.

Sockets for optional isolated high-voltage

switching and sensing modules To printer or other

DataShuttle

Factory-installable RTD/resistance

range resistors

Screw terminals

for digital I/O

signal connection

Screw terminals for analog output

signal connection (-AO)

To PC’s

parallel port

DC power

input

Screw terminals

for analog input

Sockets for optional isolated high-voltage

switching and sensing modules To printer or other

DataShuttle

Screw terminals for isolated

analog input and output Cold-junction sensor per channel for

thermocouple measurements on all channels

To PC’s

parallel port

DC power

input

Sockets for

high-isolation 5B

signal conditioning

modules

* Not CE compliant

183

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DataShuttle

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Specifications

General

Power Requirements: +5 to +9 VDC @ 300 mA; AC

adaptor included

Operating Temperature: 0˚ to 50˚C

Resolution* Speed

20 bits** 45/55 Hz†

18 bits 45/55 Hz†

16 bits 200 Hz

14 bits 550 Hz

12 bits 1000 Hz

11 bits 1500 Hz

Dimensions: 190 mm W x 140 mm D x 50 mm H

(7.5” x 5.5” x 2.0”)

Voltage Measurements

(Applies to General Purpose version, Thermocouple

version, and when the range resistor is removed,

the RTD version)

8 differential inputs with screw terminal signal con-

nections

Ranges:

6 ranges, individually software selectable: -5 mV

to +50 mV, -25 mV to +25 mV, -50 mV to +500 mV,

-250 mV to +250 mV, -1V to +10V, -5V to +5V

Input Protection: 50V continuous, 150V for one

second

Input Resistance: >109 Ohm (Ω)

Input Current: <3 nA

Accuracy: 0.05% of reading, +0.01% of range (15˚ to

35˚C)

Temperature Coefficient: ±(40 ppm + 1 µV), 0˚ to

15˚C, and 35˚ to 50˚C

Common Mode Rejection Ratio (CMRR): >80 dB,

±5V and 10V ranges, >100 dB on all other ranges

Normal Mode Rejection Ratio (NMRR): 50 or 60 Hz,

40 dB min @ 18-bit resolution

Thermocouple Measurements

Thermocouple Types: E, J, K, T, B, R, S, C, D, G, N

Thermocouple Model

Isothermal Block insures accurate readings even

under thermally dynamic conditions

Accuracy: 0.3˚C (with environment @ 15˚ to 35˚C)

Resolution: 0.01˚C

General Purpose and RTD Model

(with range resistor removed)

Accuracy: 0.8˚C

Resolution: 0.01˚C

Isolated 5B Model

Accuracy: 1.0˚C

RTD Measurements

8 channels of 2- or 3-wire measurements

RTD Types: 100 Ohm Platinum

(can also accommodate 50 and 200 Ohm)

115C Model 750C Model

Range -200˚ to +115˚C -200˚ to +750˚C

Resolution 0.005˚C 0.01˚C

Accuracy 0.8˚C 1.0˚C

(with environment @ 15˚ to 35˚C)

Isolated Measurements

(Applies to Isolated 5B model only)

8 sockets are provided for user-installation of up to 8

isolated 5B modules

Each channel has screw-terminals for signal con-

nections

Each channel has a cold-junction sensor for thermo-

couple measurements

Isolation: Channel-to-Channel or Channel-to-

Common, 500V max

Accuracy: Dependent on module

Analog Output Modules: Up to 2 channels can be

configured for isolated analog output when the

analog output version is purchased (DS-16-8-5B-AO)

* Resolution refers to full-scale readings; up to 10 times more resolution is provided at the lower 10% span

of each range

** 20 bits of resolution are possible in the 18 bit resolution mode for inputs <10% of full scale

† 45 Hz when in 50 Hz low-noise mode, 55 Hz when in 60 Hz low-noise mode

Digital I/O

8 I/O lines, individually programmable as input or

output

Each I/O line can be TTL-compatible, or open-

collector

Optional modules can be installed on each channel,

providing high-isolation and high-voltage switch-

ing and sensing on a per-channel basis

Input Voltage Range: 0 to +7V max

Input Voltage Logic Levels: TTL-compatible

Output Voltage Range: 0 to 30V max (with user-

supplied pull-up resistors)

Output Current Sink: 50 mA/channel continuous,

400 mA max per 8 channels

Speed: Up to 1500 Hz (maximum is the same as the

selected analog input measurement speed)

Analog Output (Models with –AO)

Two independent 12-bit programmable channels

Voltage Output Ranges (software selectable):

0 to +10V, 0 to +5V, 0 to +2V, -5V to +5V,

-2.5V to +2.5V, -1V to +1V

Voltage Output Speed: Up to 1500 Hz (maximum is

equal to maximum analog input speed)

Current Output Range: 4 to 20 mA (5 to 15V com-

pliance)

Speed: Up to 1500 Hz (maximum is the same as the

selected analog input measurement speed)

Accuracy: ±0.024% of full scale

Output Protection: -12V to +15V in volts mode, 0 to

+15V in current mode

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the smart approach to instrumentation

™

Temperature & Voltage Measurement

DataShuttle

™

Ordering Information

5B Modules

A wide selection of 5B signal conditioning

modules are available. These isolated modules

allow the measuring of voltage, current, ther-

mocouples, RTDs, strain gages, LVDTs, and

more. For a complete list of available modules,

see p. 170.

High-Voltage Switching Modules

A wide selection of isolated high-voltage and

current switching and sensing modules are also

available. These modules allow AC or DC loads

to be switched, and also AC or DC voltages to

be sensed. For a complete list of available

modules, see p. 256.

DASYLab® Software

To get the most out of your DataShuttle prod-

uct, use DASYLab software. Many options are

available with this high-speed, graphics, con-

trol, and analysis software. For complete

information, see p. 194.

Ordering Information

Description Part No.

General Purpose DataShuttle including

6 ft. parallel cable; AC power adapter;

QuickLog™ software; & drivers for

Windows® 95/98/2000/NT*

& LabVIEW®DS-16-8-GP

General Purpose DataShuttle plus analog output

including 6 ft. parallel cable; AC power adapter;