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Manual B&B Electronics 4 Channel Input Buffer Board SDAIBB

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  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 1

    SDAIBB1300 Manual Cover Page B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 4 Channel Input Buffer Board Mode l SDAIBB Docum e nt N o. SDA IBB1300 This product des igned and manufactured in Ot t aw a, Illinois USA of domesti c and imported parts by International Hea dquart ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 2

    SDAIBB1300 Manual Table of Contents i B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Table of Contents CHAPTER 1: G ENERAL INFORMATION ........................................... 1 I NTRODUCTI ON ............................................................................. ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 3

    SDAIBB1300 Manual 1 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Chap ter 1: General Info rmation Introduction The SDAIBB is a d a ta acq uisition m od ule w ith four input buff er s w ith selectable gains an d selectable output of fsets. The g ain can be s et from 1 to ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 4

    2 SDAIBB1300 Manual B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Pow er Supply Input Voltage Sin gle Module 10 to 30 VDC Three Modules 12 to 30 VDC Inpu t Cu rrent 8 m A m ax. per Module Curren t Draw From Precis ion 5 V 0.5 m A per board Max. Curr e nt T hro ughp ut 1 A ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 5

    SDAIBB1300 Manual 3 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Chapter 2: Connections Power Supply Connections A s ingle SD AIBB board requ ires 8 m A at 10 to 30 VDC, an d can be br o ught d i r ect ly into the b oa r d t hr ough te rminal b l ocks o r so lde r pa ds ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 6

    4 SDAIBB1300 Manual B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 JP2 Board 2 JP9 JP10 22.28/USER 1 JP11 GAIN JP4 R8 1 JP8 22.28/ USER OUT. OFF. 2.5V 0V TB1 OUT OFF GND IN+ IN- OUT OFF GND IN+ IN- GAIN JP6 R2 TB2 JP5 A B OUT OFF GND IN+ IN- OUT. OFF. 2.5V 0V OUT. OFF. 2.5 ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 7

    SDAIBB1300 Manual 5 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Input Voltage Connections The SDAIBB can receive s igna ls in th e range of –0.15 to +5 VDC w hen set to unity gain, and –0.1 5 to +3.5 VDC when set to any other gain. Note: Thi s voltage reading is tak ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 8

    6 SDAIBB1300 Manual B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Output Voltage Connections The SDAIBB outpu ts voltages f rom +0.1 to +5.0 VDC at u nity gain, an d +0.1 to +4.95 VDC at any other gain . All lines are carried straight thr o ugh on the DB 25 c o nnecto rs, ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 9

    SDAIBB1300 Manual 7 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Table 1: Co nnections w hen t he 4 -position shunt is o n JP9 Pin Connection Pin Connection 1- - - 1 4 - - - 2 Power 15 --- 3- - - 1 6 - - - 4- - - 1 7 - - - 5- - - 1 8 - - - 6- - - 1 9 - - - 7G N D 2 0 - - ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 10

    8 SDAIBB1300 Manual B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 To support all 11 ch annels on the SDA xx m odules con nect 3 SDA IBBs to the I/O port of t he SD Ax x as sh ow n in Fi gure 2 on pag e 4 and set one board to JP9 , o ne to JP1 0 , and the last to JP1 1 . T ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 11

    SDAIBB1300 Manual 9 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Chapter 3: Confi gur ati on Output Offset The output offset is the am ount by w hich the output is shifted. Equation 1 shows h o w the output offset affects th e o utput of the buffer. The negative output r ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 12

    10 SDAIBB1300 Manual B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Change R1 to c hange the gain o n channe l A, R2 to change channe l B, R7 to chang e chann el C, and R8 to chang e channel D. The follow ing sections explain how to calculate the gain an d gain resistor fo ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 13

    SDAIBB1300 Manual 11 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 M aximum Gain T he maximum gain fo r a kno wn differ entia l vo l tage a nd c o mm on m ode voltage can easily be determ ined using the followin g set of equations. Equation 5 calculates the m aximum gain ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 14

    12 SDAIBB1300 Manual B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Gain Resisto r Determination Replacing a single resi stor changes the gain on each buffer. Change R1 to mod ify the gain o n channe l A, R2 t o cha nge channe l B, R7 to chang e channel C, an d R8 to chang ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 15

    SDAIBB1300 Manual 13 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 M aximum a nd M inimum Common M ode Voltage If the diff er ential voltage range and desired gain are know n, the ma x i mum a n d mi n imu m c o mmo n mo d e v o l t a ge c a n b e d e t e r mi n e d . Equ ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 16

    14 SDAIBB1300 Manual B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 M aximum Different ial To d e ter mine the m axim um d ifferential voltage that can b e am plified, the gain an d the com mon m o de voltage m ust be known first. Using this in for mation, the m o st posit ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 17

    SDAIBB1300 Manual 15 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Example Board Set up Figure 6 is an exam ple of one pos sible configu ration for the SDAIBB w ithout m odify ing the board. Table 7 lists the s etup for each chann el. Table 7: Set up f o r Figure 6 Channe ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 18

    16 SDAIBB1300 Manual B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Figure 6 C A D B OUT. OFF. 2.5V 0V GAIN 1 22.28/ USER OUT OFF GND IN+ IN- OUT OFF GND IN+ IN- 1 22.28/USER GAIN OUT OFF GND IN+ IN- OUT OFF GND IN+ IN- GAIN 22.28/ USER 1 GAIN 1 22.28/ USER OUT. OFF. 2.5V ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 19

    SDAIBB3599 Manual A-1 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 A ppendix A : Glossary Com m o n M ode Vo ltage () CM V : The voltage about wh ich a differential voltage sw ings. When this is m easured on the SDAIBB it is calculated w ith all voltage readings taken in ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 20

    SDAIBB3599 Manual B-1 B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 A ppendix B: Er r or Budget Calc ul ations Important Specs @ 25°C: V offset in () OSI V 200 µ V V offset out () OSO V 1000 µ V I offset () OS I 2 n A Gain Error 0.35% Gain Nonlineari ty 50ppm 0.1Hz to ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 21

    B-2 SDAIBB3599Manual B&B Elec tronic s Mf g Co Inc – 707 Dayton Rd - P O Box 1040 - Ottawa IL 61350 - P h 815-433-5100 - Fax 815-433- 5104 Example: Calcul ate the error budget for a 350 Ω , 100m V load cell w ith a com mon m ode voltag e of 2.5V us ing a g ain of 22.28. From Equation 15: ppm mV V V V OS 2449 100 28 . 22 500 200 = + = µ µ ...

  • B&B Electronics 4 Channel Input Buffer Board SDAIBB - page 22

    FCC Clas s A Equ ipm ent Stat em ent FEDERA L COM M UNICA TIO NS COMM ISSI O N RA DIO FREQ UENCY INTERFA CE STA TEMENT Class A Equip ment T his equipm ent has been tes ted and found to com ply w i th the lim its f or Class A digital device, pursuant to Par t 15 of the F CC Rules. T hese lim its ar e designed to provide r easonable protection agains ...

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