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B&B Electronics SDAIBB - page 1
SDAIBB1300 Manual Cover Page B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 4 Channel Input Buffer Board Model SD AIBB Docum ent No. SD AIBB1300 This product des igned and manufactured in Ottaw a, Illinois USA of domestic and imported parts by International Headqua rters B& ...
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B&B Electronics SDAIBB - page 2
SDAIBB1300 Manual Table of Contents i B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Table of Contents CHAPTER 1: GE NERAL IN FORMATION ........................................... 1 I NTRODUCTION .............................................................................. ...
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B&B Electronics SDAIBB - page 3
SDAIBB1300 Manual 1 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Chapter 1: General Information Introduction The SDAIBB is a data acq uisition m o d ule w ith four input buffers with selectable gains and selectable ou tput offsets. The gain can be set from 1 to 1000 with ...
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B&B Electronics SDAIBB - page 4
2 SDAIBB1300 Manual B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Power Supply Input Voltage Sing le Module 10 to 30 VDC Three Modules 12 to 30 VDC Input Curren t 8 mA max. per Modu le Curren t Draw From Precision 5 V 0.5 mA per board Max. Cur rent T hro ughput 1 A Connect ...
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B&B Electronics SDAIBB - page 5
SDAIBB1300 Manual 3 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Chapter 2: Connections Power Supply Connections A si ngle SDA IBB board requires 8 m A at 10 to 30 VDC , and can be bro ught dir ectly into t he boa rd thr ough ter minal bloc ks or so lder pad s mark ed POW ...
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B&B Electronics SDAIBB - page 6
4 SDAIBB1300 Manual B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 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. 2.5V ...
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B&B Electronics SDAIBB - page 7
SDAIBB1300 Manual 5 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Input Voltage Connections The SDAIBB can receive sig nals in the rang e of –0.15 to +5 VDC wh en set to unity gain , and –0.15 to +3.5 VDC wh en set to any other gain. Note: This voltage reading is tak e ...
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B&B Electronics SDAIBB - page 8
6 SDAIBB1300 Manual B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Output Voltage Connections The SDAIBB outpu ts voltages from +0.1 to +5.0 VDC at u nity gain, an d +0.1 to +4.95 VDC at any other gain. All lin es are carried straight thro ugh on the DB2 5 conne c tors, a l ...
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B&B Electronics SDAIBB - page 9
SDAIBB1300 Manual 7 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Table 1: Connect io ns when the 4-po sition shunt is on 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 - - - ...
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B&B Electronics SDAIBB - page 10
8 SDAIBB1300 Manual B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 To support all 11 ch annels on t he SDAxx modules connect 3 SDAIBBs to the I/O port of the SDA xx as sh own in Figure 2 on pag e 4 and set one board to J P9, one to J P10, and the last to JP 11. T his w ill ...
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B&B Electronics SDAIBB - page 11
SDAIBB1300 Manual 9 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Chapter 3: Configur ati on Output Offset The output offset is the am ount by w hich the output is sh ifted. Equation 1 shows how the output offset affects th e o utput of the buf fer. The negative output rai ...
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B&B Electronics SDAIBB - page 12
10 SDAIBB1300 Manual B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Change R1 t o change t he gain o n c hannel A, R2 to cha nge channel B, R7 to change ch annel C, and R8 to chan ge chann el D. T he follow ing sections explain how to calculate the gain and gain resistor fo ...
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B&B Electronics SDAIBB - page 13
SDAIBB1300 Manual 11 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Maximum Gain The maximum gain fo r a known diffe renti a l volt age and common mode voltage can easily be de ter mined using th e follo wing set of equations. Equation 5 calculates the m aximu m gain based ...
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B&B Electronics SDAIBB - page 14
12 SDAIBB1300 Manual B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Gain Resistor Determin ation Replacing a s ingle resistor ch anges the gain on each buffer. Change R1 t o modify the gai n on channe l A, R2 to change c ha nnel B, R7 to change channel C , and R8 to change ...
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B&B Electronics SDAIBB - page 15
SDAIBB1300 Manual 13 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Maximum and Minimum Common M ode Voltage If the diff erential voltage range and desired gain are know n, the max imu m an d mi ni mum c o mmon mo d e vo l t a ge ca n b e de t e r min ed . Equation 10 is us ...
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B&B Electronics SDAIBB - page 16
14 SDAIBB1300 Manual B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Maximu m Differential To d eter mine the m aximum d ifferential voltage that can be amplified, the g ain and the comm on mode voltage m ust be known first. Using this inf o r mation, th e most positive the ...
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B&B Electronics SDAIBB - page 17
SDAIBB1300 Manual 15 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Example Board Setu p Figure 6 is an example of one pos sible configuration for the SDAIBB with out modify ing the board. Table 7 lists the setu p for each channel. Table 7: Setup f o r Figure 6 Channel Outp ...
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B&B Electronics SDAIBB - page 18
16 SDAIBB1300 Manual B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 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 0 ...
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B&B Electronics SDAIBB - page 19
SDAIBB3599 Manual A-1 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 A ppendix A : Glossary Comm on M ode Voltag e () CM V : The voltage about which a d ifferential voltage sw ings. When this is measu red on the SDAIBB it is calculated with all voltage readings taken in ref ...
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B&B Electronics SDAIBB - page 20
SDAIBB3599 Manual B-1 B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 A ppendix B: Er ror Budget Cal cul 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 Nonlinearit y 50ppm 0.1Hz to 10 ...
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B&B Electronics SDAIBB - page 21
B-2 SDAIBB3599Manual B&B E lectroni cs M fg Co Inc – 707 Dayton Rd - P O Box 1040 - O ttawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 Example: Calculate th e error budget for a 350 Ω , 100m V load cell with a comm on m ode voltag e of 2.5V usin g a gain of 22.28. From Equation 15: ppm mV V V V OS 2449 100 28 . 22 500 200 = + = µ µ Fro ...
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B&B Electronics SDAIBB - page 22
FCC Class A Equipm ent Stat ement FEDERA L CO M M UNICA TIO NS COMM I SSION RA DI O FREQ UENCY INTERFA CE STA TEMENT Class A Equ ipment T his equipm ent has been tested and f ound to com ply with the limits for Clas s A digital device, purs uant to Part 15 of the FCC Rules. T hese lim its are designed to provide r easonable protection against harm ...
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