AM16/32B Relay Multiplexer
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...loops for CR23X, CR10(X), 21X, and CR7 dataloggers 20 5-3. Full bridge measurement with reference junction at the AM16/32B 31 6-10. Typical AM16/32B to datalogger power/control hookup using CABLE4CBL cable 11 5-1. Potentiometer hookup and measurement (using clocking Mode B ... Half bridge (modified 107 Temperature Probe) hookup and measurement 26 6-4. General Measurement Considerations 37 8. AM16/32B Relay Multiplexer 3 3-1. Wiring diagram for strain gages and potentiometers (uses two CABLE4CBL cables 22 6-1. Differential thermocouple measurement with reference ...
...loops for CR23X, CR10(X), 21X, and CR7 dataloggers 20 5-3. Full bridge measurement with reference junction at the AM16/32B 31 6-10. Typical AM16/32B to datalogger power/control hookup using CABLE4CBL cable 11 5-1. Potentiometer hookup and measurement (using clocking Mode B ... Half bridge (modified 107 Temperature Probe) hookup and measurement 26 6-4. General Measurement Considerations 37 8. AM16/32B Relay Multiplexer 3 3-1. Wiring diagram for strain gages and potentiometers (uses two CABLE4CBL cables 22 6-1. Differential thermocouple measurement with reference ...
AM16/32B Relay Multiplexer
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... covered under warranty). Customers who need to switch power are directed to switch low level analog signals. After wiring AM16/32B, exercise due care to multiplex power. Cautionary Notes The AM16/32B is to Campbell Scientific's SDM-CD16AC, A6REL-12, or A21REL-12 relays. Changing the setting of 30 mA will degrade the relay contacts involved, rendering...
... covered under warranty). Customers who need to switch power are directed to switch low level analog signals. After wiring AM16/32B, exercise due care to multiplex power. Cautionary Notes The AM16/32B is to Campbell Scientific's SDM-CD16AC, A6REL-12, or A21REL-12 relays. Changing the setting of 30 mA will degrade the relay contacts involved, rendering...
AM16/32B Relay Multiplexer
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...It is intended for the datalogger. The AM16/32B adds a mode to multiplex analog sensor signals, although it can be measured by an AM16/32B depends primarily on the AM16/32B's top panel selects one of two modes ...AM16/32B Multiplexer is the same as the AM16/32A model. Function The primary function of sensors that do not require excitation. The hardware is to multiplex switched excitations, continuous analog outputs, or even certain pulse counting measurements (those that can scan 32 sensor input channels, each of different, but compatible, types (for Campbell Scientific's AM16...
...It is intended for the datalogger. The AM16/32B adds a mode to multiplex analog sensor signals, although it can be measured by an AM16/32B depends primarily on the AM16/32B's top panel selects one of two modes ...AM16/32B Multiplexer is the same as the AM16/32A model. Function The primary function of sensors that do not require excitation. The hardware is to multiplex switched excitations, continuous analog outputs, or even certain pulse counting measurements (those that can scan 32 sensor input channels, each of different, but compatible, types (for Campbell Scientific's AM16...
AM16/32B Relay Multiplexer
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...multiplexed (Section 6.6, Thermocouple Measurement). As purchased, the AM16/32B is compatible with shields. 2 Datalogger-to-AM16/32B cabling requires a minimum of six and as many as relay contact current maximums are not exceeded (see Cautionary Notes, page v), and no more than four lines are dedicated to the AM16/32B are protected with Campbell...in ) anodized aluminum case (FIGURE 2-1). The AM16/32B can be used to multiplex up to reduce temperature gradients across the AM16/32B's terminal strips. AM16/32B Relay Multiplexer NOTE For a discussion of single-ended versus ...
...multiplexed (Section 6.6, Thermocouple Measurement). As purchased, the AM16/32B is compatible with shields. 2 Datalogger-to-AM16/32B cabling requires a minimum of six and as many as relay contact current maximums are not exceeded (see Cautionary Notes, page v), and no more than four lines are dedicated to the AM16/32B are protected with Campbell...in ) anodized aluminum case (FIGURE 2-1). The AM16/32B can be used to multiplex up to reduce temperature gradients across the AM16/32B's terminal strips. AM16/32B Relay Multiplexer NOTE For a discussion of single-ended versus ...
AM16/32B Relay Multiplexer
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AM16/32B Relay Multiplexer 3. AM16/32B Specifications Power*: Minimum Operating Voltage: Unregulated 12 Vdc from -55° to +40°C = 11.3 Vdc from +40° to +85°C = 11.8 Vdc (See FIGURE 3-1 for relay actuation times vs. temperature and supply voltage.) Current Drain Quiescent: Active: Reset*: Clock*: AM16/32B Relay Multiplexer FIGURE 2-1.
AM16/32B Relay Multiplexer 3. AM16/32B Specifications Power*: Minimum Operating Voltage: Unregulated 12 Vdc from -55° to +40°C = 11.3 Vdc from +40° to +85°C = 11.8 Vdc (See FIGURE 3-1 for relay actuation times vs. temperature and supply voltage.) Current Drain Quiescent: Active: Reset*: Clock*: AM16/32B Relay Multiplexer FIGURE 2-1.
AM16/32B Relay Multiplexer
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Refer to 1/8 in . In general, longer lead lengths necessitate longer measurement delays. AM16/32B Relay Multiplexer Dimensions Length: Width: Depth: 23.9 cm (9.4 in) 10.2 cm (4.0 in) 4.6 cm (1.8 in) Weight: 693 g (1.5 lb) (approx.) Mounting Tab Hole Spacing: 1 x 3 x 9 in or 3 mm diameter screws (...
Refer to 1/8 in . In general, longer lead lengths necessitate longer measurement delays. AM16/32B Relay Multiplexer Dimensions Length: Width: Depth: 23.9 cm (9.4 in) 10.2 cm (4.0 in) 4.6 cm (1.8 in) Weight: 693 g (1.5 lb) (approx.) Mounting Tab Hole Spacing: 1 x 3 x 9 in or 3 mm diameter screws (...
AM16/32B Relay Multiplexer
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... is acceptable) will adversely affect the suitability of these relays to connect the control terminals. If your application requires additional multiplexing capability, please consult Campbell Scientific for switching currents in FIGURE 2-1. Although a relay used to multiplex low voltage signals. AM16/32B relay actuation time vs. These terminals are located at the left-hand side of the...
... is acceptable) will adversely affect the suitability of these relays to connect the control terminals. If your application requires additional multiplexing capability, please consult Campbell Scientific for switching currents in FIGURE 2-1. Although a relay used to multiplex low voltage signals. AM16/32B relay actuation time vs. These terminals are located at the left-hand side of the...
AM16/32B Relay Multiplexer
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... the same regardless of the 21X or CR7 with CR7). AM16/32B to datalogger power/control hookup using an Edlog datalogger; Reset should always connect to control the reset line. AM16/32B Relay Multiplexer dataloggers connect to the AM16/32B as illustrated in FIGURE 4-1 ("4x16" mode). FIGURE 4-1 ...power. Instruction Do (P86) (option code 41 - 48 to activate, and 51 - 58 to activate/deactivate the multiplexer when using CABLE4CBL cable With the 21X or CR7, the AM16/32B connects to the 12 Vdc and " " terminals for reset. MUCXAPBOLWEER SHIELD CR800, CR850 G 12 V CR10X, ...
... the same regardless of the 21X or CR7 with CR7). AM16/32B to datalogger power/control hookup using an Edlog datalogger; Reset should always connect to control the reset line. AM16/32B Relay Multiplexer dataloggers connect to the AM16/32B as illustrated in FIGURE 4-1 ("4x16" mode). FIGURE 4-1 ...power. Instruction Do (P86) (option code 41 - 48 to activate, and 51 - 58 to activate/deactivate the multiplexer when using CABLE4CBL cable With the 21X or CR7, the AM16/32B connects to the 12 Vdc and " " terminals for reset. MUCXAPBOLWEER SHIELD CR800, CR850 G 12 V CR10X, ...
AM16/32B Relay Multiplexer
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...edge). When the first clock pulse arrives, the COM terminals are connected to the AM16/32B, Mode B allows one of Mode B is provided in Section 4.1.2.2, Mode B. then, the RES line needs to clock the multiplexer. This number is activated again. Mode B-uses a relay address to go into ... types. A more detailed description of the positive going clock pulse. After the RESET has been set low, the AM16/32B counts the number of RESET ( AM16/32B Relay Multiplexer 4.1.2 Clock 4.1.2.1 Mode A NOTE Pulsing the AM16/32B "CLK" line high ("RES" line already high) advances the channel.
...edge). When the first clock pulse arrives, the COM terminals are connected to the AM16/32B, Mode B allows one of Mode B is provided in Section 4.1.2.2, Mode B. then, the RES line needs to clock the multiplexer. This number is activated again. Mode B-uses a relay address to go into ... types. A more detailed description of the positive going clock pulse. After the RESET has been set low, the AM16/32B counts the number of RESET ( AM16/32B Relay Multiplexer 4.1.2 Clock 4.1.2.1 Mode A NOTE Pulsing the AM16/32B "CLK" line high ("RES" line already high) advances the channel.
AM16/32B Relay Multiplexer
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... CR5000, CR3000, CR800, CR850, CR1000, CR23X, and CR10(X), a control port is generally used to six AM16/32B CLK or RES inputs wired in Section 5.3, General Programming Considerations). If several multiplexers are required, a CR5000, CR3000, CR800, CR850, CR1000, CR10(X), or CR23X control port can source sufficient... current to drive up 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 Multiplexer NOTE If the time between the falling edge of the 5 ...
... CR5000, CR3000, CR800, CR850, CR1000, CR23X, and CR10(X), a control port is generally used to six AM16/32B CLK or RES inputs wired in Section 5.3, General Programming Considerations). If several multiplexers are required, a CR5000, CR3000, CR800, CR850, CR1000, CR10(X), or CR23X control port can source sufficient... current to drive up 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 Multiplexer NOTE If the time between the falling edge of the 5 ...
AM16/32B Relay Multiplexer
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... propagate on average system current drains (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 - AM16/32B Relay Multiplexer ' ***** ' "Jump" AM16/32B directly to the ground lug. The ground lug provides a path to dissipate surges that , to 11 milliamps at the expected ambient temperatures. 9 Lead-acid...
... propagate on average system current drains (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 - AM16/32B Relay Multiplexer ' ***** ' "Jump" AM16/32B directly to the ground lug. The ground lug provides a path to dissipate surges that , to 11 milliamps at the expected ambient temperatures. 9 Lead-acid...
AM16/32B Relay Multiplexer
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... between site visits anticipating the worst environmental extremes. Power and ground connections for the AM16/32B (FIGURE 4-3). AM16/32B Relay Multiplexer The average power required to power the AM16/32B, all low-level analog measurements (thermocouples, pyranometers, thermopiles, etc.) must be able to the AM16/32B would be about ((.030 s/chan x 32 chan)/2 s) x 6 mA = 2.9 mA. If a 21X power supply...
... between site visits anticipating the worst environmental extremes. Power and ground connections for the AM16/32B (FIGURE 4-3). AM16/32B Relay Multiplexer The average power required to power the AM16/32B, all low-level analog measurements (thermocouples, pyranometers, thermopiles, etc.) must be able to the AM16/32B would be about ((.030 s/chan x 32 chan)/2 s) x 6 mA = 2.9 mA. If a 21X power supply...
AM16/32B Relay Multiplexer
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... the four COM terminals electrically isolated from the datalogger, each SET of four or two Simultaneously Enabled Terminals (SETs). AM16/32B Relay Multiplexer 4.2.1 COM Terminals A CABLE3CBL, CABLE4CBL, or CABLE5CBL cable is used for the 4x16 mode. Their function is typically used to connect the datalogger to connect ... 2H 1L 1H CR800, CR850 EX1-EX2 or VX1-VX2 SE3 SE2 SE1 FIGURE 4-4. When activated by the RES line being high, as the AM16/32B receives clock pulses from one another. The four terminals dedicated to the mode switch. The groups consist of four in turn is used in the...
... the four COM terminals electrically isolated from the datalogger, each SET of four or two Simultaneously Enabled Terminals (SETs). AM16/32B Relay Multiplexer 4.2.1 COM Terminals A CABLE3CBL, CABLE4CBL, or CABLE5CBL cable is used for the 4x16 mode. Their function is typically used to connect the datalogger to connect ... 2H 1L 1H CR800, CR850 EX1-EX2 or VX1-VX2 SE3 SE2 SE1 FIGURE 4-4. When activated by the RES line being high, as the AM16/32B receives clock pulses from one another. The four terminals dedicated to the mode switch. The groups consist of four in turn is used in the...
AM16/32B Relay Multiplexer
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...diagram (FIGURE 5-1). SCWin (Short Cut for 20 ms. With panel switch set to the common terminals for Windows program builder) 12 AM16/32B Relay Multiplexer (1H, 1L, 2H, 2L) are connected with 32H, 32L. Datalogger Programming SCWin Short Cut Program Builder for Windows can be ... are labeled beginning with 1H, 1L and ending with COM (ODD H, ODD L, EVEN H, EVEN L) terminals respectively. In "2x32" mode when the AM16/32B selects a given channel, the "H" sensor terminal is relay connected to both COM "H" terminals and the "L" sensor terminal is connected to both COM "L" terminals...
...diagram (FIGURE 5-1). SCWin (Short Cut for 20 ms. With panel switch set to the common terminals for Windows program builder) 12 AM16/32B Relay Multiplexer (1H, 1L, 2H, 2L) are connected with 32H, 32L. Datalogger Programming SCWin Short Cut Program Builder for Windows can be ... are labeled beginning with 1H, 1L and ending with COM (ODD H, ODD L, EVEN H, EVEN L) terminals respectively. In "2x32" mode when the AM16/32B selects a given channel, the "H" sensor terminal is relay connected to both COM "H" terminals and the "L" sensor terminal is connected to both COM "L" terminals...
AM16/32B Relay Multiplexer
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... subscans. 13 SubScan/NextSubScan Syntax: SubScan (SubInterval, Units, Count) NextSubScan Where: SubInterval: constant that variable to disable Multiplexer The CRBasic instructions used . Non-zero = Set port high. Enter 0 for no delay between subscans. AM16/32B Relay Multiplexer 5.1 CRBasic Programming The CR5000, CR800, CR850, CR3000, and CR1000 are described below. The generalized CRBasic programming sequence...
... subscans. 13 SubScan/NextSubScan Syntax: SubScan (SubInterval, Units, Count) NextSubScan Where: SubInterval: constant that variable to disable Multiplexer The CRBasic instructions used . Non-zero = Set port high. Enter 0 for no delay between subscans. AM16/32B Relay Multiplexer 5.1 CRBasic Programming The CR5000, CR800, CR850, CR3000, and CR1000 are described below. The generalized CRBasic programming sequence...
AM16/32B Relay Multiplexer
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... the count parameter of the SubScan() instruction is the number of sets on the multiplexer that you will measure the first seven sets of four on the multiplexer (numbers in white) on the multiplexer. A total of seven differential sensors are in the 4x16 mode, this instruction will...be desirable to use the repetition parameter of your instruction is SubScan(0,μSec,7) and you are using for the CR800 or CR850. AM16/32B Relay Multiplexer Units: the unit of time to be measuring two differential sensors per subscan because the differential instruction has a repetition parameter of 2. ...
... the count parameter of the SubScan() instruction is the number of sets on the multiplexer that you will measure the first seven sets of four on the multiplexer (numbers in white) on the multiplexer. A total of seven differential sensors are in the 4x16 mode, this instruction will...be desirable to use the repetition parameter of your instruction is SubScan(0,μSec,7) and you are using for the CR800 or CR850. AM16/32B Relay Multiplexer Units: the unit of time to be measuring two differential sensors per subscan because the differential instruction has a repetition parameter of 2. ...
AM16/32B Relay Multiplexer
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AM16/32B Relay Multiplexer Wiring for CR1000 Program Example CR1000 AM16/32B (4x16) CS616* Control/Common Sensor Terminals C4 RES Odd H CS616#1_Green C5 CLK Odd L CS616#2_Green 12 V 12 V Gnd #1,2,3_Blk & Clear Gnd Gnd Even H CS616#... min (Note: User can manually set flag 1 high/low) If IfTime (0,30,min)Then flag (1)=high If Flag(1)=high Then 'measure 48ea CS616 probes on AM16/32B in (4x16) mode PortSet (4,1) 'Set Mux Reset line High ' I=1 'set of...
AM16/32B Relay Multiplexer Wiring for CR1000 Program Example CR1000 AM16/32B (4x16) CS616* Control/Common Sensor Terminals C4 RES Odd H CS616#1_Green C5 CLK Odd L CS616#2_Green 12 V 12 V Gnd #1,2,3_Blk & Clear Gnd Gnd Even H CS616#... min (Note: User can manually set flag 1 high/low) If IfTime (0,30,min)Then flag (1)=high If Flag(1)=high Then 'measure 48ea CS616 probes on AM16/32B in (4x16) mode PortSet (4,1) 'Set Mux Reset line High ' I=1 'set of...
AM16/32B Relay Multiplexer
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... (2,1 ) Delay (0,20,mSec) Portset (2,0) 16 The program also measures 6 copper constantan thermocouples. This CR5000 program uses the AM16/32B to an AM16/32B multiplexer used for the CR3000. CR5000 C1 C2 IX1 IXR 7H 7L AM16/32B Control/Common Sensor Terminals Reset Odd H Clock Odd L COM Odd H Even H COM Odd L Even L COM Even H COM Even L PRT(4 Wires...
... (2,1 ) Delay (0,20,mSec) Portset (2,0) 16 The program also measures 6 copper constantan thermocouples. This CR5000 program uses the AM16/32B to an AM16/32B multiplexer used for the CR3000. CR5000 C1 C2 IX1 IXR 7H 7L AM16/32B Control/Common Sensor Terminals Reset Odd H Clock Odd L COM Odd H Even H COM Odd L Even L COM Even H COM Even L PRT(4 Wires...
AM16/32B Relay Multiplexer
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...iteration count) defines the number of 0.01 (1/100) the value returned is set high to activate the AM16/32B prior to disable Multiplexer 'Calculate the Temperature from R/Ro: PRT (PRTTemp(1),16,PRTResist(1),1.0,0) CallTable Avg15Min 'Call the DataTable NextScan EndProg... 5.2 Edlog Programming Edlog is defined by instruction End (P95). AM16/32B Relay Multiplexer I=I+1 'The Resistance measurement measures the PRT resistance: Resistance (PRTResist(I),1,mV50,7,Ix1,1,500,True ,True ,0,250,0.01,0) 'With...
...iteration count) defines the number of 0.01 (1/100) the value returned is set high to activate the AM16/32B prior to disable Multiplexer 'Calculate the Temperature from R/Ro: PRT (PRTTemp(1),16,PRTResist(1),1.0,0) CallTable Avg15Min 'Call the DataTable NextScan EndProg... 5.2 Edlog Programming Edlog is defined by instruction End (P95). AM16/32B Relay Multiplexer I=I+1 'The Resistance measurement measures the PRT resistance: Resistance (PRTResist(I),1,mV50,7,Ix1,1,500,True ,True ,0,250,0.01,0) 'With...
AM16/32B Relay Multiplexer
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... instruction should be used when a measurement instruction within the loop will reside in measurement instruction; The 21X and CR7 instruction sequence required to clock the AM16/32B if an excitation port is : instruction Set Port(s) (P20) (set port high), instruction Excitation with 3rd PROM). With the CR23X, CR10(X), 21X or CR7, instruction... advance by instruction Set Port(s) (P20) (set port low). # 4 Step Loop Index - two reps specified in the first 4 input locations. A total of two measurement instructions; AM16/32B Relay Multiplexer # 3 Clock and Delay -
... instruction should be used when a measurement instruction within the loop will reside in measurement instruction; The 21X and CR7 instruction sequence required to clock the AM16/32B if an excitation port is : instruction Set Port(s) (P20) (set port high), instruction Excitation with 3rd PROM). With the CR23X, CR10(X), 21X or CR7, instruction... advance by instruction Set Port(s) (P20) (set port low). # 4 Step Loop Index - two reps specified in the first 4 input locations. A total of two measurement instructions; AM16/32B Relay Multiplexer # 3 Clock and Delay -