Campbell AM16 Manuel

AM16/32B Relay MultiplexerRevision: 4/13Copyright © 1987-2013Campbell Scientific, Inc.

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AM16/32B Relay Multiplexer 1. Function The primary function of the AM16/32B Multiplexer is to increase the number of sensors that can be measured by

AM16/32B Relay Multiplexer For a discussion of single-ended versus differential analog measurements, please consult the measurement section of your d

AM16/32B Relay Multiplexer FIGURE 2-1. AM16/32B Relay Multiplexer 3. AM16/32B Specifications Power*: Unregulated 12 Vdc Minimum Operating Vo

AM16/32B Relay Multiplexer Dimensions Length: 23.9 cm (9.4 in) Width: 10.2 cm (4.0 in) Depth: 4.6 cm (1.8 in) Weight: 693 g (1.5 lb) (appr

AM16/32B Relay Multiplexer Surge: Complies with IEC61000-4-5, test level 3 (±2 kV, 2 ohms coupling impedance) * Reset and clock protected by 8V var

AM16/32B Relay Multiplexer dataloggers connect to the AM16/32B as shown in FIGURE 4-1 (“4x16” mode). FIGURE 4-1 depicts control connections. Measure

AM16/32B Relay Multiplexer 4.1.2 Clock Pulsing the AM16/32B “CLK” line high (“RES” line already high) advances the channel. The voltage level must f

AM16/32B Relay Multiplexer If the time between the falling edge of the 5 ms RESET pulse and the next rising edge of RESET or CLK is longer than 125 ms

AM16/32B Relay Multiplexer ' ***** ' "Jump" AM16/32B directly to Channel 6 Scan (100,mSec,0,1) PortSet(5,1) 'Raise Reset

AM16/32B Relay Multiplexer The average power required to operate an AM16/32B depends on the percentage of time it is active per time period. For exam

AM16/32B Relay Multiplexer 4.2.1 COM Termin ue COM next to the mode switch. The terminals are labeled: ODD s als A CABLE3CBL, CABLE4CBL, or CABLE5C

AM16/32B Relay Multiplexer (1H, 1L, 2H, 2L) are connected with COM (ODD H, ODD L, EVEN H, EVEN hite channel numbers apply. The 5. Datalogger P e L)

AM16/32B Relay Multiplexer 5.1 CRBasic Prement loop. The program must also specifically increment an index variable and use that ASUREMENT LOOP Su

AM16/32B Relay Multiplexer Units: the unit of time toalphabetical code can be used for the SubInterval parameter. A numeric or be entered. Numeric

AM16/32B Relay Multiplexer Wiring for CR1000 Program Example CR1000 AM16/32B (4x16) CS616* ol/ComContr mon ensor STerminals C4 ES d H CS616#1_Gr

AM16/32B Relay Multiplexer PulsePort (5,10000) 'Clock Mux CS616 (Period(I) ,3,1.0,3,1,6 ,0) 16 probes 'measure 3ea CS6 I=I+3 N

AM16/32B Relay Multiplexer I=I+1 'The Resistance measurement measures the PRT resistance: Resistance (PRTResist(I),1,mV50,7,Ix1,1,50

AM16/32B Relay Multiplexer # 3 Clock and Delay — With the CR23X and CR10(X) the clock line is he pulse port command s. hen using a 21X o either an nne

AM16/32B Relay Multiplexer Input locations 1 2 3 4 5 6 First pass: 1 2 Second pass: 3 4 sensor Third pass: 5 6 numbers ying the on A

Warranty “PRODUCTS MANUFACTURED BY CAMPBELL SCIENTIFIC, INC. are warranted by Campbell Scientific, Inc. (“Campbell”) to be free from defects in materi

AM16/32B Relay Multiplexer 20 GENERALIZED “4x16” MO 10(X), 21X, and CR7 DE PROGRAM LOOPS FOR THE CR23X, CR 21X SAMPLE PROGRAM * 1 Table 1 Prog

AM16/32B Relay Analog Multiplexer EXAMPLE “2x32” MODE PROGRAMS — GENERALIZED PROGRAM LOOPS FOR THE CR23X, 21X, CR10(X), AND CR7. 21X SAMPLE PROGRAM

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

AM16/32B Relay Analog Multiplexer *1 Table 1 Programs 1: 60 Sec. Execution Interval ;ACTIVATES MULTIPLEXER 1: Do (P86) 1: 41 Set high P

AM16/32B Relay Analog Multiplexer ;POT. M CTION EASUREMENT INSTRU11: Excite,Del lt(SEay,Vo ) (P4) 1: 2 Reps 2: 5 e 5000 mV slow Rang 3:

AM16/32B Relay Analog Multiplexer 6.1 Single-Ended Analog Measurement without Sensor 16/32B Wiring — One single-ended sensor not requiring onnected t

AM16/32B Relay Analog Multiplexer Multiplexer to Datalogger Wiring — The two pairs of COM terminals (ODD H, ODD L and EVEN H, EVEN L) are connected to

AM16/32B Relay Analog Multiplexer /0"4 X 16" ModeCOM H (ODD)COM LCOM H (EVEN)COM LODD HODD LEVEN H EVEN LSHIELD SENSOR SHIELDSCOMMUXSIGNALSH

AM16/32B Relay Analog Multiplexer /0"4 X 16" ModeCOM H (ODD)COM LCOM H (EVEN)COM LODD HODD LEVEN H EVEN LSHIELD SENSOR SHIELDSCOMCR23X/ CR80

AM16/32B Relay Analog Multiplexer analog ground. Up to sixteen full bridges may be multiplexed through the AM16/32B. A problem with making full bridg

Assistance Products may not be returned without prior authorization. The following contact information is for US and international customers residing

AM16/32B Relay Analog Multiplexer 6.6 Thermocouple MThe datameasure r analysis. These topics will not be covered here. 6.6.1 Measurement ConRefer

AM16/32B Relay Analog Multiplexer COM EVEN HCOM EVEN L EVEN H EVEN LSENSOR SHIELDSCOM"4 X 16" ModeCOM ODD HCOM ODD LCUCOCUCOODD HODD LCU

AM16/32B Relay Analog Multiplexer Thermal Gradients — Thermal gradients between the AM16/32B’s sensor input terminals and COM terminals can cause erro

AM16/32B Relay Analog Multiplexer • Multiplexer to Datalogger Wiring — If the reference juncdatalogger, then the wire that connects the COM ODD H, CO

AM16/32B Relay Analog Multiplexer CR10(X)AM16/3212VGMUXPOWERSHIELDMUXSIGNALSHIELD1K 0.1%GC1C21H1LEX 12LAGEX 22HAGGND12VGNDRESCLKCOM ODD H107COM

AM16/32B Relay Analog Multiplexer CLOCK PULSE 4: Do (P86) 1: 72 Pulse Port 2 5: Excitation with Delay (P22) 1: 1 EX Chan 2: 2 Del

AM16/32B Relay Analog Multiplexer 9:TC #8 IL M#10 27:SO10:TC # :SOIL M#11 9 2811:TC # 29:SO10 IL M#12 12:TC # 30:SOIL M#13 11 13:TC #12

AM16/32B Relay Analog Multiplexer 7. er ement Considerations Lengths — Longer sensor-to-AM16/32B leads result in greater d and capacitively coupled v

AM16/32B Relay Analog Multiplexer 38 The AMFIGURE8.1 Mounting Tabs 16/32B has mounting tabs allowing attachment by four screws. See 8-1 dimensions.

Appendix A. AM16/32B Improvements The AM16/32B replaced the AM16/32A in January 2008. A clocking mode was added that uses a relay address to go dir

Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to spec

Appendix A. AM16/32B Improvements A-2

Campbell Scientific Companies Campbell Scientific, Inc. (CSI) 815 West 1800 North Logan, Utah 84321 UNITED STATES www.campbellsci.com • info@campbel

Table of Contents 6.6 Thermocouple Measurement ... 30 6.6.1 Measurement Considerations ...

Table of Contents 6-11. Thermocouple and soil block measurement for CR10X example...34 8-1. Mounting tab hole pattern ...

Table of Contents iv

Cautionary Notes The AM16/32B is not designed to multiplex power. Its intended function is to switch low level analog signals. Switched currents in