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B&B Electronics TCDA manual

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Table of contents for the manual

  • Page 1

    Documentat ion Number TCDA0997 Manual Cover Page B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 K-type Thermocouple Am plifier Model TCDA Docum ent ation Nu mb er TCDA0997 This product Designed and M anufactured In Ottawa, Illinois USA of domest ic and import ed parts by B&B Electronics Mfg. Co[...]

  • Page 2

    Documentat ion Number TCDA0997 Manual Table of Content s i B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 TABLE OF CONTENTS CHAPTER 1: IN TRODUCTION ..................................................................... 1 F EAT URES ...................................................................[...]

  • Page 3

    Documentat ion Number TCDA0997 Manual 1 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 Chapter 1: Intr oduction Features The TCDA is a thermoc ouple amplifier that can be used with B&B Electronics ’ Data Ac quisition modules to meas ure temper ature us ing a PC. The two channels of the T CDA [...]

  • Page 4

    2 Documentation Number TCDA0997 M anual B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 Software Software used with B&B Electronics’ SDAXX, SPDA and ADIO12 modules to control the T CDA module is included with the TCDA. This software is ver y s imilar to the software included with the SDAXX, SP[...]

  • Page 5

    Documentat ion Number TCDA0997 Manual 3 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 Chapter 2: Thermocouple Over vi ew To understand the oper ation of the TCDA it is necessar y to understand the basic construc tion of the thermocouple. A thermocouple cons ists of two s olid wires, compos ed of d[...]

  • Page 6

    4 Documentation Number TCDA0997 M anual B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 The error c aused by the thermoc ouple non-linearity ov er the -50 ° C to 200 ° C range is relatively s mall, so it is ignored in the factory c alibration of the TCDA. If more ac curate readings must be taken, [...]

  • Page 7

    Documentat ion Number TCDA0997 Manual 5 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 Chapter 3: Connections Overview This chapter will discus s the connections required to operate the TCDA thermocouple amplifier . Connections between the A/D converter and the TCDA should be kept as short as poss [...]

  • Page 8

    6 Documentation Number TCDA0997 M anual B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 Figure 3.1: TCDA Connections NOTE: A 12VDC power supply must be c onnected to the TCDA’s 2.5mm power jack. 1. ------- denotes that pin is not used. 2. Pin 17 and 18 are internally c onnected to each other to pr[...]

  • Page 9

    Documentat ion Number TCDA0997 Manual 7 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 Chapter 4: Calibration Overview The s tandard TCDA module is calibr ated at the factory for a temperature range of -50 ° C to 200 ° C. With a res olution of 20mV/ ° C and an offset voltage of -1.0VDC. T he off[...]

  • Page 10

    8 Documentation Number TCDA0997 M anual B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 1. Remove the cover from the TCDA module. 2. Connect thermocouple to ter minal blocks T 1+ and T1- as described in Chapter 3 (T2+ and T2- for channel 2). 3. Plug power supply in 2.5mm power jac k and plug supply [...]

  • Page 11

    Documentat ion Number TCDA0997 Manual 9 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 1. Remove the cover from TCDA module. 2. Connect thermocouple to ter minal blocks T 1+ and T1- as described in c hapter 3 (T2+ and T2- for channel 2). 3. 4. Plug power supply in 2.5mm power jac k and plug supply [...]

  • Page 12

    Documentat ion Number TCDA0997 Manual 11 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 Chapter 5: V oltage-to-T emperature In standard TCDA modules the low temperature is -50 ° C and the high temperature is 200 ° C. T hese temperatures c orrespond to an output voltage between 0 and 5VDC. The Vol[...]

  • Page 13

    Documentat ion Number TCDA0997 Manual 13 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5104 Chapter 6: Software Included with the TCDA module is a diskette with s oftware examples written in Bor land C++, Borland Pascal and Microsoft® QuickBASIC v4.5. Thes e DOS-bas ed example program s how how to acc[...]