Campbell AM16 Manual de Instruções

INSTRUCTION MANUALAM16/32 Relay MultiplexerRevision: 9/04Copyright (c) 1987-2004Campbell Scientific, Inc.

AM16/32 Relay Analog Multiplexer4Dimensions:Length – 23.9 cm (9.4")Width - 10.2 cm (4.0")Depth - 4.6 cm (1.8")Weight:1.5 lbs. (appro

AM16/32 Relay Analog Multiplexer50.02.04.06.08.010.012.09.61010.410.811.211.61212.412.813.213.61414.414.815.215.616POWER SUPPLY VOLTAGERELAY ACTUATION

AM16/32 Relay Analog Multiplexer6RESCLKGND12VONMUXPOWERSHIELDFIGURE 3. AM16/32 to Datalogger Power/Control HookupWith the 21X or CR7 the AM16/32 conn

AM16/32 Relay Analog Multiplexer7With the 21X and CR7 dataloggers, switched excitation is generally used toclock the multiplexer (Instruction 22 confi

AM16/32 Relay Analog Multiplexer8The average power required to operate an AM16/32 depends on the percentageof time it is active per time period. For

AM16/32 Relay Analog Multiplexer94.2.1 COM TerminalsThe four terminals dedicated to multiplexer-datalogger connection are locatedunder the blue “COM”

AM16/32 Relay Analog Multiplexer10With panel switch set to “2X32” mode the white channel numbers apply. TheSETs are labeled beginning with 1H, 1L and

AM16/32 Relay Analog Multiplexer11When a number of similar sensors are multiplexed and measured, theInstructions to clock the AM16/32 and to measure t

AM16/32 Relay Analog Multiplexer12Example: 2 sensors per SET, 6 sensors total; two reps specified inmeasurement instruction; two measurement values a

AM16/32 Relay Analog Multiplexer13If more than the datalogger’s default number of input locationsare required, then additional input locations must be

Warranty and AssistanceThe AM16/32 RELAY MULTIPLEXER is warranted by CAMPBELLSCIENTIFIC, INC. to be free from defects in materials and workmanship und

AM16/32 Relay Analog Multiplexer14GENERALIZED “4X16” MODE PROGRAM LOOPS FOR THE CR23X, CR10(X), 21X, and CR721X SAMPLE PROGRAM*1Table 1Programs01: 60

AM16/32 Relay Analog Multiplexer15EXAMPLE “2X32” MODE PROGRAMS - GENERALIZED PROGRAM LOOPS FOR THECR23X, 21X, CR10(X), AND CR7.21X SAMPLE PROGRAM*1Tab

AM16/32 Relay Analog Multiplexer16MUX POWER SHIELDSHIELDMUXSIGNALCR23X AM16/32 IN "4X16" MODEGNDSETS 1-10H1L1H2L2H1L1H2L2SETS 11-1612VGNDRES

AM16/32 Relay Analog Multiplexer17*1 Table 1 Programs1: 60 Sec. Execution IntervalACTIVATES MULTIPLEXER1: Do (P86)1: 41 Set high Port 1BEGINS STRAIN

AM16/32 Relay Analog Multiplexer18DELAY10: Excitation with Delay (P22)1: 1 EX Chan2: 0 Delay w/EX (units=.01sec)3: 1 Delay after EX (units=.01sec)4:

AM16/32 Relay Analog Multiplexer19GENERALIZED CR5000/CR1000 PROGRAMMING SEQUENCE:ACTIVATE MULTIPLEXER/RESET INDEXPortset (1 ,1) 'Set C1 high to E

AM16/32 Relay Analog Multiplexer20'CR5000 Example Program to measure 16 100 ohm Platinum Resistance Thermometers ‘connected to anAM16/32 multiple

AM16/32 Relay Analog Multiplexer21Wiring for CR1000 Program ExampleCR1000 AM16/32 (4x16) CS616*Control/Common Sensor TerminalsC4 RES Odd H CS616#1_Gre

AM16/32 Relay Analog Multiplexer22I-1 ‘set sub scan loop counterSubScan (0,mSec,16)PulsePort (5,10000) ‘Clock MuxCS616 (Period(I),3,1,6,3,1.0,0)‘mea

AM16/32 Relay Analog Multiplexer23Low level single-ended measurements are notrecommended in 21X applications where the 21X'sinternal 12VDC supply

iAM16/32 Relay MultiplexerTable of ContentsPDF viewers note: These page numbers refer to the printed version of this document. Usethe Adobe Acrobat®

AM16/32 Relay Analog Multiplexer246.3 Half Bridge MeasurementsMeasurements of this type may be subdivided into three categoriesbased on completion re

AM16/32 Relay Analog Multiplexer2521xCR7CR10(X)CR23X/CR5000"4 X 16" ModeEEHHAGGE/VXHLLLCOM H (ODD)COM LCOM H (EVEN)COM LODD HODD LEVEN H EVE

AM16/32 Relay Analog Multiplexer2621xCR7CR10(X)CR23X/CR5000"4 X 16" ModeEEHHAGGE/VXHLLLCOM H (ODD)COM LCOM H (EVEN)COM LODD HODD LEVEN H EVE

AM16/32 Relay Analog Multiplexer27A problem with making full bridge measurements with thisconfiguration is that the resistance of the lead wire and mu

AM16/32 Relay Analog Multiplexer286.6 Thermocouple MeasurementThe datalogger manuals contain thorough discussions of thermocouplemeasurement and erro

AM16/32 Relay Analog Multiplexer2921xCR7CR10(X)GCOM EVEN HCOM EVEN L EVEN H EVEN LSENSOR SHIELDSCOM"4 X 16" ModeLLLHHHLLLHHHCOM ODD HCOM

AM16/32 Relay Analog Multiplexer30result in an approximate one degree measurement error. Installing thealuminum cover plate (included with AM16/32) h

AM16/32 Relay Analog Multiplexer31same composition as the high side of the thermocouples. Also, thewire that connects COM EVEN L to datalogger ground

AM16/32 Relay Analog Multiplexer32CR10(X)AM16/3212VGMUXPOWERSHIELDMUXSIGNALSHIELD1K 0.1%GC1C21H1LEX 12LAGEX 22HAGGND12VGNDRESCLKCOM ODD H107COM

AM16/32 Relay Analog Multiplexer33CLOCK PULSE4: Do (P86)1: 72 Pulse Port 25: Excitation with Delay (P22)1: 1 EX Chan2: 2 Delay w/EX (units=.01 sec)3

AM16/32 Relay Multiplexer Table of Contentsii6.6 Thermocouple Measurement... 286.6.1

AM16/32 Relay Analog Multiplexer346:TC #5 24:SOIL M #77:TC #6 25:SOIL M #88:TC #7 26:SOIL M #99:TC #8 27:SOIL M#1010:TC #9 28:SOIL M#1111:TC #10 29:SO

AM16/32 Relay Analog Multiplexer35Several enclosures are available for purchase through CSI (modelsAM-ENC, ENC 12/14, and ENC 16/18). They offer a de

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A-1Appendix A. AM16/32 ImprovementsThe AM16/32 provides the panel switch option of operating in one of twomodes.• “4X16” mode - Sixteen channels of

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Campbell Scientific CompaniesCampbell Scientific, Inc. (CSI)815 West 1800 NorthLogan, Utah 84321UNITED [email protected]

iiiCautionary NotesThe AM16/32 is not designed to multiplex power. Its intended function is toswitch low level analog signals. Switched currents in

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1AM16/32 Relay Analog Multiplexer1. FunctionThe primary function of the AM16/32 Multiplexer is to increase the number ofsensors that can be measured

AM16/32 Relay Analog Multiplexer2For a discussion of single-ended versus differential analogmeasurements, please consult the Measurement section of yo

AM16/32 Relay Analog Multiplexer3FIGURE 1. AM16/32 Relay Multiplexer3. AM16/32 SpecificationsPower*:Unregulated 12 VDCMinimum Operating Voltage:from