28022 Parallax Inc, 28022 Datasheet
28022
Specifications of 28022
Related parts for 28022
28022 Summary of contents
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... J-type (Iron / Constantan) -- (1) T-type (Copper / Constantan) #800-00010 This documentation Note: DS2760 demonstration software may be downloaded from www.parallax.com. Parallax, Inc. • DS2760 Thermocouple Kit (#28022) • 01/2004 599 Menlo Drive, Suite 100 General: info@parallax.com Technical: support@parallax.com Rocklin, California 95765, USA Office: (916) 624-8333 Web Site: www ...
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... K pull-up on the 1-Wire Figure 3: DS2760 Connections to BASIC Stamp 2 Figure 1: Thermocouple Junction Materials SNS Chromel / Alumel Red Iron / Constantan Red Copper / Constantan Red ® data line). Vdd Vss Parallax, Inc. • DS2760 Thermocouple Kit (#28022) • 01/2004 Vss Yellow White Blue Data IO ...
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... This program lets a BS2p or BS2pe read the temperature from the Parallax ' DS2760 thermocouple module. ' and temperature display is via the DEBUG window. ' -----[ Revision History ]------------------------------------------------ ' -----[ I/O Definitions ]------------------------------------------------- OW PIN 8 Parallax, Inc. • DS2760 Thermocouple Kit (#28022) • 01/2004 (Copyright 2004, All Rights Reserved) User input of thermocouple type ( 1-Wire buss pin Other 3 ...
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... C ' thermocouple millivolts ' TC sign bit ' temp compensation ' temp in Celsius ' temp in Fahrenheit ' table pointers ' test value from table ' 1 = out of range ' get serial number ' store in SPRAM ' read device type ' if not $30, wrong device ' stop program Parallax, Inc. • DS2760 Thermocouple Kit (#28022) • 01/2004 ...
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... IF sign THEN ' TC below cold junction IF (tCuV < cjComp) THEN cjComp = cjComp - tCuV ELSE cjComp = 0 ENDIF Parallax, Inc. • DS2760 Thermocouple Kit (#28022) • 01/2004 ' get selection ' validate selection ' remove selections ' point READ to table ' read Seebeck voltage ' read cold junction temp ' get compensation voltage ...
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... Read_TC_Volts: OWOUT OW, %0001, [SkipNet, RdReg, $0E] OWIN OW, %0010, [tCuV.BYTE1, tCuV.BYTE0 set high end of search ' reverse lookup of table ' x 1 check sign ' disallow negative ' x 4.88 millivolts ' read current register Parallax, Inc. • DS2760 Thermocouple Kit (#28022) • 01/2004 ...
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... READ (eePntr * 2), Word testVal IF (cjComp = testVal) THEN EXIT ELSEIF (cjComp < testVal) THEN tblHi = eePntr ELSE tblLo = eePntr ENDIF Parallax, Inc. • DS2760 Thermocouple Kit (#28022) • 01/2004 ' save sign bit ' correct alignment ' pad 2's-compliment bits ' x 15.625 uV ' check sign ' disallow negative ' >> 0.125 (>> 3) ...
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... DS2760 Module Schematic Data span at minimum Vdd DS2760 CC Vin PLS Vdd DC PIO SNS Vss SNS Vss 4.7 k SNS Vss DQ PS IS2 IS1 0.1 µF Parallax, Inc. • DS2760 Thermocouple Kit (#28022) • 01/2004 Vdd 1 k ...