B&B Electronics TCDA User Manual
Not Recommended for New Installations.
Please contact Technical Support for more information.
K-type Thermocouple Amplifier
Model TCDA
Documentation Number TCDA0997
This product
Designed and Manufactured
In Ottawa, Illinois
USA
of domestic and imported part s by
B&B Electronics Mfg. Co. Inc.
707 Dayton Road -- P.O. Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5100
Internet:
http://www.bb-elec.com
orders@bb-elec.com
support@bb.elec.com
Copyright © 1997 by B&B Electronics Mfg. Co. All rights reserved.
Documentation Number TCDA0997 Manual Cover Page
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
TABLE OF CONTENTS
CHAPTER 1: INTRODUCTION..................................................................... 1
F
EATURES ......................................................................................................... 1
P
ACKING LIST ................................................................................................... 1
S
OFTWARE........................................................................................................ 2
S
PECIFICATIONS................................................................................................ 2
CHAPTER 2: THERMOCOUPLE OVERVIEW...........................................3
CHAPTER 3: CONNECTIONS....................................................................... 5
OVERVIEW........................................................................................................ 5
T
HERMOCOUPLE CONNECTIONS........................................................................ 5
P
OWER SUPPLY CONNECTIONS .........................................................................5
O
UTPUT CONNECTIONS..................................................................................... 5
CHAPTER 4: CALIBRATION........................................................................7
O
VERVIEW........................................................................................................ 7
C
ALIBRATION PROCEDURE FOR STANDARD TCDA MODULES.......................... 7
C
ALIBRATION PROCEDURE FOR MODIFIED TCDA MODULES ...........................8
CHAPTER 5: VOLTAGE-TO-TEMPERATURE........................................ 11
CHAPTER 6: SOFTWARE............................................................................ 13
I
NSTALLATION ................................................................................................ 13
APPENDIX A: TCDA CIRCUIT SCHEMATIC......................................... 15
TCDA B
OARD LAYOUT.................................................................................. 16
Documentation Number TCDA0997 Manual Table of Contents i
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
Chapter 1: Introduction
Features
The TCDA is a thermocouple amplifier that can be used with B&B
Electronics’ Data Acquis ition modules to meas ure temper atur e using
a PC. The two channels of the TCDA support K-type thermocouples.
The amplifier has an output range of 0VDC to +5VDC. T he standard
TCDA can measure temperatures between -50
module can be modified at the factory so that a different temperature
range can be measured.
Packing List
Examine the shipping carton and contents for physical damage. If
there is any damage, contact B&B Electronics immediately.
The following items should be in the shipping carton:
1. The TCDA module.
2. This instruction module
3. 3.5” disk
If any of these items are missing, contact B&B Electronics.
°C and 200°C. The
Figure 1.1: TCDA module
Documentation Number TCDA0997 Manual 1
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
Software
Software used with B&B Electronics’ SDAXX, SPDA and ADIO12
modules to control the TCDA module is included with the TCDA.
This software is very similar to the software included with the
SDAXX, SPDA and ADIO12 module but with some minor
modifications.
To install the software in your PC:
1. Place the disk in drive A.
2. Type A: and press the <ENTER> key.
3. Type INSTALL and press the <ENTER> key.
4. Follow the instructions given by the program.
Specifications
Size: 4.8” x 2.2” x 0.9”
Channels: 2
Resolution: 20mV/
Input Voltage Offset: 150
Input Voltage Offset Drift: 1.5
Temperature Measurement Range: -50
TCDA Operating Temperature: 0
Maximum Temperature Error: +/- 3
Power Requirements: 12 to 16VDC @ 10mA
Output Voltage Range: 0 to 5VDC
The TCDA module will operate in an environment between
°C and 70°C but can measure temperatures between -50°C and
0
°C.
200
°C
µV
µV/°C
o
C to 200°C
0
C to 70°C
°C
2 Documentation Number TCDA0997 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
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