Measurement-computing DBK84 Uživatelský manuál stáhnout pdf

DBK84 14-Channel Thermocouple Module

Overview …… 1

Hardware Setup …… 2

Module Connection …… 2

Open Thermocouple Detection …… 3

Module Configuration …… 4

DaqBook/100 Series & /200 Series and DaqBoard [ISA type] Configuration …… 5

DaqBook/2000 Series and DaqBoard/2000 Series Configuration …… 5

Software Setup …… 6

Using a Temperature Calibrator …… 7

DBK84 – Specifications …… 8

Reference Notes:

o Chapter 2 includes pinouts for P1, P2, P3, and P4. Refer to pinouts applicable to

your system, as needed.

o In regard to calculating system power requirements, refer to DBK Basics located near

the front of this manual.

Overview

The DBK84 is used in temperature measurement applications and provides connections for 14

thermocouples through convenient mini-TC connectors.

The DBK84 features on-board cold junction compensation (CJC) for direct measurement of type J, K, T, E,

N28, N14, S, R, and B thermocouples. The following table provides the temperature range for each of

these thermocouple types.

Thermocouple Temperature Ranges

T/C Type J K T E N28 N14 S R B

Temperature

Range °C

-200 to

760

-200 to

1200

-200 to

400

-270 to

650

-270 to

400

0 to

1300

-50 to

1768

-50 to

1768

50 to

1780

Temperature

Range °F

-328 to

1400

-328 to

2192

-328 to

752

-454 to

1202

-454 to

752

32 to

2372

-58 to

3214

-58 to

3214

122 to

3236

Up to fourteen external thermocouples can be connected to the DBK84 module. Channels 1 through 7 are

used for the first seven thermocouples, and channels 9 through 15 are used for the second set of seven.

Note: DBK84 has two on-board CJCs. They are measured on channels 0 and 8.

In addition to thermocouple measurements, each input channel can be configured for a fixed voltage gain

of 100. When in this mode, voltage can be measured in the range of ±100 mV, or ±50 mV, depending on

the type of Daq device being used.

Up to sixteen DBK84 modules can be attached to a single LogBook or Daq device, providing up to 224

temperature channels.

DBK Option Cards and Module 989494 DBK84 pg. 1

1 2 3 4 5 6 7 8

Shrnutí obsahu

Strany 1 - Overview

DBK84 14-Channel Thermocouple Module Overview …… 1 Hardware Setup …… 2 Module Connection …… 2 Open Thermocouple Detection …… 3 Module Configura

Strany 2 - Hardware Setup

In comparison to typical DBK options, the DBK84 demands significant power from the system’s ±15 V power supplies. It is important that you calcul

Strany 3 - Open Thermocouple Detection

through the use of shielded thermocouples and/or averaging. You can minimize the effect of noise by (1) using shielded thermocouples, (2) averagi

Strany 4 - CAUTION

Module Configuration Up to sixteen DBK84 modules can be attached to a single LogBook or Daq device. Since multiple modules are connected via a paral

Strany 5 - These jumpers do not

DaqBook/100 Series & /200 Series and DaqBoard [ISA type] Configuration Use of a DBK84 with a DaqBook/100 Series device, DaqBook/200 Series device

Strany 6 - Software Setup

Software Setup Reference Notes: o DaqView users - Refer to Chapter 3, DBK Setup in DaqView. o LogView users - Refer to Chapter 4, DBK Setup in L

Strany 7 - 989494 DBK84 pg. 7

DBK Option Cards and Module 989494 DBK84 pg. 7 Using a Temperature Calibrator The DBK84 thermocouple module provides accurate and repeatable t

Strany 8 - DBK84 - Specifications

pg. 8, DBK84 989494 DBK Option Cards and Modules DBK84 - Specifications Name/Function: DBK84 – 14 Channel High-Accuracy Thermocouple Module S

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Measurement-computing DBK84 Uživatelský manuál