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B&B Electronics FBDA manual

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Table of contents for the manual

  • Page 1

    Documentat ion Number FBDA0797 M anual Cover Page B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 Strain Gauge/Load Cell Bridge Amplifier Model FBDA Docum ent ation Nu m ber FBDA 0797 This product Designed and M anufactured In Ottawa, Illinois USA of domest ic and import ed parts by B&B Electron[...]

  • Page 2

    Documentat i on Num ber FBDA0797 Manual Table of Content s i B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 TABLE OF CONTENTS CHAPTER 1: INTRODUCTION.................................................................1 F EATURES .........................................................................[...]

  • Page 3

    Documentat ion Number FBDA0797 M anual 1 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 Chapter 1: Intr oduction Features The FBDA is a s ignal conditioning module that allows you to measure voltages produced by full- bridge sensor s using a data acquisition module. This module can condition signal[...]

  • Page 4

    2 Documentation Number FBDA 0797 M anual B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 Packing List Examine the shipping ca rton and the contents for physical damage. The following items should be in the s hipping carton: 1. FBDA module 2. This inst ruction manual If any of these items ar e damage[...]

  • Page 5

    Documentat ion Number FBDA0797 M anual 3 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 Chapter 2: Connections Power Supply Connections The FBDA module requires 13 to 18VDC @ 10mA. Model 232PS2 available from B&B Electr onics is recommended. Although the 232PS2 is a 12VDC power supply , it outp[...]

  • Page 6

    4 Documentation Number FBDA 0797 M anual B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 Data Acquisition Connec tions The connections to the Data Acquisition Module are made through a DB-25 (male) connector. The F BDA is pin compatible with B&B Electronics ’ SDAXX, and ADIO12 modules. This al[...]

  • Page 7

    Documentat ion Number FBDA0797 M anual 5 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 Figure 2.1: Block Di agram of FBDA Connecti ons A / D Note: Conditioned signal is available on DB-25 pin #8 6 4 5 Terminal Blocks 2 3 1 +13V A/D 1 +13V REF+ GND GND 19 19 REF- DB-25P Connector GND GND Vout Modul[...]

  • Page 8

    Documentat ion Number FBDA0797 M anual 7 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 Chapter 3: Gain Selection The FBDA has sev eral different gain settings to provide the largest poss ible voltage range for an A/D conv erter. The gain of the FBDA is selec ted using a jumper, 6 jumper pins (labe[...]

  • Page 9

    8 Documentation Number FBDA 0797 M anual B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 Sensors that inc orporate bridge c ircuitry usually have noticeable zero offs ets. This s hould be considered when tak ing measurements and deter mining gain. The easiest way to solve this problem is to calibr a[...]

  • Page 10

    Documentat ion Number FBDA0797 M anual 9 B&B Electronics -- P O Box 1040 -- Ottaw a, IL 61350 PH (815) 433-5100 -- FA X (815) 433-5105 Chapter 4: Excitation V o ltage Sensors that ar e based on a Wheatstone bridge need an excitation voltage to ex cite the bridge. The FBDA prov ides an adjustable excitation v oltage. This exc itation voltage is [...]