AM16/32B Relay Multiplexer
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... warranty for installation services performed by Campbell such as programming to customer specifications, electrical connections to Campbell. Campbell is in the corresponding Campbell pricelist or product manual. CAMPBELL EXPRESSLY DISCLAIMS AND EXCLUDES ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Products not manufactured, but that are re-sold by Campbell, are warranted by surface carrier prepaid within the continental United States...
... warranty for installation services performed by Campbell such as programming to customer specifications, electrical connections to Campbell. Campbell is in the corresponding Campbell pricelist or product manual. CAMPBELL EXPRESSLY DISCLAIMS AND EXCLUDES ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Products not manufactured, but that are re-sold by Campbell, are warranted by surface carrier prepaid within the continental United States...
AM16/32B Relay Multiplexer
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...the printed version of this document. Physical Description 2 3. AM16/32B Specifications 3 4. Function 1 1.1 Typical Applications 1 1.2 Compatibility 2 2. Operation 5 4.1 The Control Terminals 5 4.1.1 Reset 6 4.1.2 Clock 7 4.1.2.1 Mode A 7 4.1.2.2 Mode B 7 4.1.2.3 Datalogger Connection/Instruction 8 4.1.3 Ground 9 4.1.4 Power Supply 9 4.2 Measurement Terminals 10 4.2.1 COM Terminals 11 4.2.2 Sensor Input Terminals 11 5. Sensor Hookup and Measurement Examples ........24 6.1 Single-Ended Analog Measurement without Sensor Excitation ........25 6.2 Differential Analog Measurement...
...the printed version of this document. Physical Description 2 3. AM16/32B Specifications 3 4. Function 1 1.1 Typical Applications 1 1.2 Compatibility 2 2. Operation 5 4.1 The Control Terminals 5 4.1.1 Reset 6 4.1.2 Clock 7 4.1.2.1 Mode A 7 4.1.2.2 Mode B 7 4.1.2.3 Datalogger Connection/Instruction 8 4.1.3 Ground 9 4.1.4 Power Supply 9 4.2 Measurement Terminals 10 4.2.1 COM Terminals 11 4.2.2 Sensor Input Terminals 11 5. Sensor Hookup and Measurement Examples ........24 6.1 Single-Ended Analog Measurement without Sensor Excitation ........25 6.2 Differential Analog Measurement...
AM16/32B Relay Multiplexer
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... A. AM16/32B Relay Multiplexer 3 3-1. SCWin (Short Cut for external power supply 10 4-4. Single-ended measurement without excitation 25 6-3. temperature and battery voltage 5 4-1. Power and ground connections for Windows program builder 12 5-2. Example "2x32" mode program loops for CR23X, CR10(X), 21X, and CR7 dataloggers 20 5-3. Half bridge (modified 107 Temperature Probe) hookup and measurement 26 6-4. Typical AM16/32B to datalogger power/control hookup using CABLE4CBL cable 11 5-1. Example "4x16" mode program...
... A. AM16/32B Relay Multiplexer 3 3-1. SCWin (Short Cut for external power supply 10 4-4. Single-ended measurement without excitation 25 6-3. temperature and battery voltage 5 4-1. Power and ground connections for Windows program builder 12 5-2. Example "2x32" mode program loops for CR23X, CR10(X), 21X, and CR7 dataloggers 20 5-3. Half bridge (modified 107 Temperature Probe) hookup and measurement 26 6-4. Typical AM16/32B to datalogger power/control hookup using CABLE4CBL cable 11 5-1. Example "4x16" mode program...
AM16/32B Relay Multiplexer
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... wiring AM16/32B, exercise due care to Campbell Scientific's SDM-CD16AC, A6REL-12, or A21REL-12 relays. Customers who need to switch power are directed to avoid inadvertently putting excess voltage on a line or short circuiting a power supply which might damage connected devices such as datalogger, wiring panel, sensor, or multiplexer (not covered under warranty). Cautionary Notes The AM16/32B is to switch low level analog signals. Switched...
... wiring AM16/32B, exercise due care to Campbell Scientific's SDM-CD16AC, A6REL-12, or A21REL-12 relays. Customers who need to switch power are directed to avoid inadvertently putting excess voltage on a line or short circuiting a power supply which might damage connected devices such as datalogger, wiring panel, sensor, or multiplexer (not covered under warranty). Cautionary Notes The AM16/32B is to switch low level analog signals. Switched...
AM16/32B Relay Multiplexer
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... be measured by an AM16/32B depends primarily on the AM16/32B's top panel selects one of two modes of datalogger input channels. The user program advances the multiplexer through the sensor channels making measurements and storing data. The hardware is a replacement for use in applications where the number of required sensors exceeds the number of operation. Mechanical relays in turn to be scanned. The following guidelines assume...
... be measured by an AM16/32B depends primarily on the AM16/32B's top panel selects one of two modes of datalogger input channels. The user program advances the multiplexer through the sensor channels making measurements and storing data. The hardware is a replacement for use in applications where the number of required sensors exceeds the number of operation. Mechanical relays in turn to be scanned. The following guidelines assume...
AM16/32B Relay Multiplexer
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... (Section 8, Installation). An aluminum cover plate is also included to the connecting of your datalogger manual. The island of the case. All of the inputs of the AM16/32B are dedicated to this end, and its use is compatible with shields. 2 The AM16/32B is extremely important if thermocouples are made on the AM16/32B are switched at a time, system compatibility for datalogger analog inputs. The...
... (Section 8, Installation). An aluminum cover plate is also included to the connecting of your datalogger manual. The island of the case. All of the inputs of the AM16/32B are dedicated to this end, and its use is compatible with shields. 2 The AM16/32B is extremely important if thermocouples are made on the AM16/32B are switched at a time, system compatibility for datalogger analog inputs. The...
AM16/32B Relay Multiplexer
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... capability, please consult Campbell Scientific for switching currents in FIGURE 2-1. Section 4.2, Measurement Terminals, discusses the use of sensor measurement terminals. 4.1 The Control Terminals The CABLE4CBL cable is uniquely dedicated. This will degrade the contact surfaces of the mechanical relays (increase their resistance). temperature and battery voltage 4. Although a relay used to multiplex low voltage signals. RELAY ACTUATION TIME (ms) 190..69...
... capability, please consult Campbell Scientific for switching currents in FIGURE 2-1. Section 4.2, Measurement Terminals, discusses the use of sensor measurement terminals. 4.1 The Control Terminals The CABLE4CBL cable is uniquely dedicated. This will degrade the contact surfaces of the mechanical relays (increase their resistance). temperature and battery voltage 4. Although a relay used to multiplex low voltage signals. RELAY ACTUATION TIME (ms) 190..69...
AM16/32B Relay Multiplexer
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... reset ("RES") line is commonly used to the AM16/32B as illustrated in FIGURE 4-1. however, in FIGURE 4-1 ("4x16" mode). The cable's shield is required for clocking and a second control port for power. One control port is grounded on 725 card with older PROMS, instruction Set Port (P20) is used . 6 AM16/32B to datalogger power/control hookup using an Edlog datalogger; Reset should always connect to the 12 Vdc and " " terminals for reset. FIGURE 4-1 depicts control connections. A signal...
... reset ("RES") line is commonly used to the AM16/32B as illustrated in FIGURE 4-1. however, in FIGURE 4-1 ("4x16" mode). The cable's shield is required for clocking and a second control port for power. One control port is grounded on 725 card with older PROMS, instruction Set Port (P20) is used . 6 AM16/32B to datalogger power/control hookup using an Edlog datalogger; Reset should always connect to the 12 Vdc and " " terminals for reset. FIGURE 4-1 depicts control connections. A signal...
AM16/32B Relay Multiplexer
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... AM16/32B, Mode B allows one of Mode A is the relay address. After getting into Mode B, the RES line must fall below 1.5 Vdc and then rise above 3.3 Vdc to a specific channel (see FIGURE 4-2). This reduces power consumption and wear on each relay channel (as long as RESET is HI. After the RESET has been set LO. When multiple sensor types are switched to connect to connect...
... AM16/32B, Mode B allows one of Mode A is the relay address. After getting into Mode B, the RES line must fall below 1.5 Vdc and then rise above 3.3 Vdc to a specific channel (see FIGURE 4-2). This reduces power consumption and wear on each relay channel (as long as RESET is HI. After the RESET has been set LO. When multiple sensor types are switched to connect to connect...
AM16/32B Relay Multiplexer
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... 1 FIGURE 4-2. Diagram showing advancement of channels using control ports. If no switched excitation channel is available, it is possible to clock using clocking Mode B 4.1.2.3 Datalogger Connection/Instruction With the 21X and CR7 dataloggers, switched excitation is generally used to go into Mode B and jump to clock the multiplexer (instruction Excitation with the pulse port option (command code 71 through 78) generates a 10 ms pulse which works well. AM16/32B Relay...
... 1 FIGURE 4-2. Diagram showing advancement of channels using control ports. If no switched excitation channel is available, it is possible to clock using clocking Mode B 4.1.2.3 Datalogger Connection/Instruction With the 21X and CR7 dataloggers, switched excitation is generally used to go into Mode B and jump to clock the multiplexer (instruction Excitation with the pulse port option (command code 71 through 78) generates a 10 ms pulse which works well. AM16/32B Relay...
AM16/32B Relay Multiplexer
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.... Connect the "GND" wire first for 5 ms PortSet(5,0) 'Reset line set LO (enters "B Addressing" mode) Delay (0,3,mSec) For i = 1 To 6 'Pulse CLK line 6 times - This connection should be advisable. An AM16/32B COM terminal should also connect to power the AM16/32B from a datalogger battery. In many applications, it is convenient to the separate supply's ground (FIGURE 4-3). An 8-V, bi-polar transzorb connects shield ground to frequently replace batteries. addresses Channel...
.... Connect the "GND" wire first for 5 ms PortSet(5,0) 'Reset line set LO (enters "B Addressing" mode) Delay (0,3,mSec) For i = 1 To 6 'Pulse CLK line 6 times - This connection should be advisable. An AM16/32B COM terminal should also connect to power the AM16/32B from a datalogger battery. In many applications, it is convenient to the separate supply's ground (FIGURE 4-3). An 8-V, bi-polar transzorb connects shield ground to frequently replace batteries. addresses Channel...
AM16/32B Relay Multiplexer
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... the mode switch provide for attachment of the common signal leads that carry multiplexed sensor signals to power the AM16/32B, all low-level analog measurements (thermocouples, pyranometers, thermopiles, etc.) must be made differentially. This limitation reduces the number of available analog input channels and may mandate the use of an external power supply for external power supply Low supply voltage and high ambient temperatures affect the actuation time...
... the mode switch provide for attachment of the common signal leads that carry multiplexed sensor signals to power the AM16/32B, all low-level analog measurements (thermocouples, pyranometers, thermopiles, etc.) must be made differentially. This limitation reduces the number of available analog input channels and may mandate the use of an external power supply for external power supply Low supply voltage and high ambient temperatures affect the actuation time...
AM16/32B Relay Multiplexer
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... panel switch set to generate a program and wiring diagram (FIGURE 5-1). FIGURE 5-1. A given SET will typically be downloaded free of charge (www.campbellsci.com). Datalogger Programming SCWin Short Cut Program Builder for Windows can be connected to the common terminals for various supported sensors providing a quick way to "2x32" mode, the white channel numbers apply. SCWin (Short Cut for Windows program builder) 12 In "2x32" mode when the AM16/32B selects a given channel, the...
... panel switch set to generate a program and wiring diagram (FIGURE 5-1). FIGURE 5-1. A given SET will typically be downloaded free of charge (www.campbellsci.com). Datalogger Programming SCWin Short Cut Program Builder for Windows can be connected to the common terminals for various supported sensors providing a quick way to "2x32" mode, the white channel numbers apply. SCWin (Short Cut for Windows program builder) 12 In "2x32" mode when the AM16/32B selects a given channel, the...
AM16/32B Relay Multiplexer
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...: constant that variable to program the multiplexer are programmed with CRBasic. This instruction must appear within a Scan/NextScan loop or a compiler error will occur. State: 0 = Set port low; PortSet Syntax: PortSet( Port, State ) Where, Port: the datalogger control port being used to determine where each measurement is stored. The program must also specifically increment an index variable and use that designates the time interval between subscans...
...: constant that variable to program the multiplexer are programmed with CRBasic. This instruction must appear within a Scan/NextScan loop or a compiler error will occur. State: 0 = Set port low; PortSet Syntax: PortSet( Port, State ) Where, Port: the datalogger control port being used to determine where each measurement is stored. The program must also specifically increment an index variable and use that designates the time interval between subscans...
AM16/32B Relay Multiplexer
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... is the number of sets on the multiplexer that are between SubScan() and NextSubScan. AM16/32B Relay Multiplexer Units: the unit of time to be entered. A numeric or alphabetical code can be measured because the count parameter of the SubScan() instruction is 7. It may be desirable to measure 48 CS616 probes connected in white) on the multiplexer (numbers in blue). For example...
... is the number of sets on the multiplexer that are between SubScan() and NextSubScan. AM16/32B Relay Multiplexer Units: the unit of time to be entered. A numeric or alphabetical code can be measured because the count parameter of the SubScan() instruction is 7. It may be desirable to measure 48 CS616 probes connected in white) on the multiplexer (numbers in blue). For example...
AM16/32B Relay Multiplexer
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... Platinum Resistance Thermometers connected in the 4x16 configuration. This CR5000 program uses the AM16/32B to an AM16/32B multiplexer used for 15 minute averages: DataTable (Avg15Min,1,-1) DataInterval (0,5,Min,10) Average (1,TRef,IEEE4,0) Average (6,TCTemp(),IEEE4,0) Average (16,PRTTemp(),IEEE4,0) EndTable BeginProg Scan (60,Sec,3,0) PanelTemp (TRef,250) TCDiff (TCTemp(),6,mV20C ,1,TypeT,TRef,True ,0,250,1.0,0) Portset (1 ,1) 'Set C1 high to...
... Platinum Resistance Thermometers connected in the 4x16 configuration. This CR5000 program uses the AM16/32B to an AM16/32B multiplexer used for 15 minute averages: DataTable (Avg15Min,1,-1) DataInterval (0,5,Min,10) Average (1,TRef,IEEE4,0) Average (6,TCTemp(),IEEE4,0) Average (16,PRTTemp(),IEEE4,0) EndTable BeginProg Scan (60,Sec,3,0) PanelTemp (TRef,250) TCDiff (TCTemp(),6,mV20C ,1,TypeT,TRef,True ,0,250,1.0,0) Portset (1 ,1) 'Set C1 high to...
AM16/32B Relay Multiplexer
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... used within successive program loops. AM16/32B Relay Analog Multiplexer CR23X 12V G C1 C2 MCUAXBPLOEWSERHSIEHLIEDLD GND 12V GND RES CLK AM1A6M/1362/3B2 IINN ""44XX116"6M" MODOEDE SETS 1-10 H1 L1 H2 L2 EX 1 SE 1 SE 2 CAMBULXESSIGHNIAELLD SHIELD COM H1 COM L1 COM H2 COM L2 CCOOMM SETS 11-16 H1 L1 H2 L2 FIGURE 5-4. Wiring diagram for specific...
... used within successive program loops. AM16/32B Relay Analog Multiplexer CR23X 12V G C1 C2 MCUAXBPLOEWSERHSIEHLIEDLD GND 12V GND RES CLK AM1A6M/1362/3B2 IINN ""44XX116"6M" MODOEDE SETS 1-10 H1 L1 H2 L2 EX 1 SE 1 SE 2 CAMBULXESSIGHNIAELLD SHIELD COM H1 COM L1 COM H2 COM L2 CCOOMM SETS 11-16 H1 L1 H2 L2 FIGURE 5-4. Wiring diagram for specific...
AM16/32B Relay Multiplexer
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... the datalogger panel (example: a Campbell Scientific 107 probe modified for example, potentiometers), then excitation, wiper signal, and ground must be excited and measured in the other dataloggers. Signal lines from sensor to multiplexer to two pairs of measured excitation. With panel switch set to " " in "4x16" mode (FIGURE 6-3). Three precision completion resistors connect from analog input channels to analog ground in...
... the datalogger panel (example: a Campbell Scientific 107 probe modified for example, potentiometers), then excitation, wiper signal, and ground must be excited and measured in the other dataloggers. Signal lines from sensor to multiplexer to two pairs of measured excitation. With panel switch set to " " in "4x16" mode (FIGURE 6-3). Three precision completion resistors connect from analog input channels to analog ground in...
AM16/32B Relay Multiplexer
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...be shielded from causing errors in the measured temperatures. • AM16/32B panel switch set to "4x16" mode. • Sensor to minimize gradients. the high side of each thermocouple is input into terminals ODD H, ODD L, and EVEN H. AM16/32B Relay Analog Multiplexer Thermal...AM16/32B's sensor input terminals and COM terminals can be used , gradients resulting from all radiant and conducted thermal sources. Up to three thermocouples per SET; For example, with type T thermocouples, a one degree measurement error. If the AM16/32B is used ; For best results the AM16/32B...
...be shielded from causing errors in the measured temperatures. • AM16/32B panel switch set to "4x16" mode. • Sensor to minimize gradients. the high side of each thermocouple is input into terminals ODD H, ODD L, and EVEN H. AM16/32B Relay Analog Multiplexer Thermal...AM16/32B's sensor input terminals and COM terminals can be used , gradients resulting from all radiant and conducted thermal sources. Up to three thermocouples per SET; For example, with type T thermocouples, a one degree measurement error. If the AM16/32B is used ; For best results the AM16/32B...
AM16/32B Relay Multiplexer
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... datalogger manual contains more information. Several enclosures are available from Campbell Scientific. The enclosures have been rendered unsuitable for lead wire capacitances to the AM16/32B power ground ("GND") establishes this connection. These standard enclosures are gasketed. In high humidity environments, user supplied foam, putty, or similar material helps to accommodate the sensor lines. Please consult the Theory of Operation section of cabling having...
... datalogger manual contains more information. Several enclosures are available from Campbell Scientific. The enclosures have been rendered unsuitable for lead wire capacitances to the AM16/32B power ground ("GND") establishes this connection. These standard enclosures are gasketed. In high humidity environments, user supplied foam, putty, or similar material helps to accommodate the sensor lines. Please consult the Theory of Operation section of cabling having...