Interfaces, amplifies, filtersanalog input voltages. Narrow-bandwidth

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Interfaces, amplifies, filtersanalog input voltages. Narrow-bandwidth

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Isolated Voltage Input 3B30 3B31
Interfaces, amplifies, filtersanalog input voltages. Narrow-bandwidth (3Hz) single-channel single conditioning. Module provides simultaneous precision voltage current outputs. Module circuitry withstand 220v input screwterminals Current output withstands 130V without damage. 3B30 3B31 series modules mix-and-match Swappable
Figure 3B30 3B31 Functional Block Diagram
FUNCTIONAL BLOCK DIAGRAM
APPLICATIONS
Industrial signal conditioning Industrial signal isolation Industrial signal filtering
Output modules accept +10V +10V) single-ended signals provide isolated 4-20 0-20 process signal. modules feature universal pin-out readily hot-swapped under full power interchanged without disrupting field wiring. Analog Devices Series Signal Conditioning Subsystem designed easily handle signal conditioning problems measurement control applications. Some typical uses microcomputer-based data acquisition systems, programmable controllers, analog recorders, dedicated control systems, other applications where monitoring temperature, pressure, flow analog signals required. Since each input module features simultaneous outputs, voltage output used provide input microprocessor-based data acquisition control system while current output used analog transmission, operator interface, analog backup system. Each input module single-channel signal conditioner which plugs into socket backplane accepts signal from input screw terminals. input modules provide input protection, amplification filtering input signal, accuracy +0.1%, drift uV/oC (low-level input modules), feature high-level analog outputs that compatible with most process instrumentation. isolated input modules also provide +1500 peak isolation. choice specific module depends upon type input signal. Input modules available accept millivolt, volt, process current, thermocouple, RTD, strain gage, frequency LVDT inputs. voltage output each module available from system connector while current output available output screw terminals.
PRODUCT OVERVIEW
Series Signal Conditioning Subsystems provide low-cost, versatile method transferring analog transducer signals data acquisition, monitoring control system without inherent noise, non-linearity, drift extraneous voltages. modules designed directly accept analog signals from Thermocouples, RTD's, Strain Gages, Torque Transducers, Frequency Transducers, LVDTs, millivolt process current signals. modules amplify, isolate, linearize convert transducer output signals standardized analog inputs high-level analog subsystems. Series Subsystem consists relay rack with universal mounting backplane family plug-in rack) input output signal conditioning modules. Eight four channel backplanes also available. Each backplane incorporates screw terminals sensor inputs current outputs 26-pin connector high-level singleended voltage outputs user's equipment. input modules feature complete signal conditioning circuitry optimized specific sensors analog signals provide simultaneous high-level analog outputs: +10V +10V) 4-20 0-20 mA).
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Information furnished Analog Devices believed accurate reliable. However, responsibility assumed Analog Devices use, infringements patents other rights third parties that result from use. Specifications subject change without notice. license granted implication otherwise under patent patent rights Analog Devices. Trademarks registered trademarks property their respective companies.
Technology Way, P.O. 9106, Norwood, 02062-9106, U.S.A. www.analog.com Tel: 781.329.4700 Fax: 781.326.8703 2004 Analog Devices, Inc. rights reserved.
3B30 3B31 GENERAL DESCRIPTION
3B30 3B31 narrow-bandwidth (3Hz) single-channel signal conditioning modules which amplify, isolate, filter protect analog input voltages provide simultaneous precision voltage current outputs. Each module performs complete signal conditioning, including isolating (+1500V peak input-to-output power) protecting their computer side outputs from damage loss signal integrity, shielding their inputs from damage from field-side over-voltage faults 220V rms. current output withstands 130V without damage interfaces user equipment through screw terminals located Series backplane. Each plug-in, mix-andmatch, hot-swappable module easily field calibrated frontpanel zero span adjustments both voltage current outputs. Series Custom-Ranging Program Externallyprogrammable Models 3B30-00 3B31-00, enable user configure special input range using optional plug-on AC1310 ranging card, which houses user-supplied resistors determine zero span. facilitate selecting resistors, Windows program, 3B-CUSTOM, calculates resistor values based user-desired input/output ranges. chopper-stabilized low-drift (+1uV/oC) input amplifier assures stable long-term stability. amplifier input, stable, zero-scale input voltage subtracted from input signal zero-scale value. Zero suppression exceed 100% input range. This ideal expanded-scale applications requiring high-resolution measurement selected portion input signal. users convenience, zero span factory configured meet custom range needs (Models 3B30CUSTOM 3B31-CUSTOM) externally programmed (Models 3B30-00 3B31-00) user supplied resistors inserted optional AC1310 plug-on ranging card. Internal low-pass filtering with cutoff (-3dB) two-pole Butterworth filter enhances both 60dB normal-mode common-mode rejection 50/60 enabling accurate measurement small signals high electrical noise.
Signal isolation accomplished transformer coupling with proprietary modulation technique linear, stable reliable performance. differential input circuit field side fully floating, eliminating need input grounding. demodulator computer side signal transformer recovers original signal, which then filtered buffered provide low-noise, low-impedance output voltage; this output also drives voltage-to-current (V/I) converter provide simultaneous current output interfacing versatility.
Figure
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3B30 3B31
3B30 3B31 Models Available
Model 3B30-00 3B30-01 3B30-02 3B30-03 3B30-Custom 3B31-00 3B31-01 3B31-02 3B31-03 3B31-Custom
Input Range Externally Programmable2 -100 +100 Externally Programmable2
Output Ranges1
Output current range user programmed using jumper supplied. Requires AC1310 ranging card. Custom Input/Output ranges available. Refer configuration guide.
3B30 3B31 Specifications (typical +25°C Power)
Description Input Range Standard Ranges Custom Ranges ±100 ±500 Output Range Voltage Current 850)1 Maximum Current Output Span Accuracy Initial +25°C Nonlinearity ±0.1% Span ±0.01% Span
Model 3B30
Model 3B31
±0.5
Stability Temperature Voltage Output Zero Span Current Output Zero Span Zero Span Adjustment Range
µV/°C (RTI) Reading/°C
Span/°C
Span/°C Reading/°C Span
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3B30 3B31
Input Bias Current Input Resistance Noise Input, Bandwidth Output, Bandwidth Bandwidth, Output Rise Time, Span Common-Mode Voltage (CMV) Input-to-Output, Continuous Transient ±1500 peak, maximum ANSI/IEEE C37.90.1-1989 Common Mode Rejection (CMR) Source Imbalance, 50/60 Normal Mode Rejection, 50/60 Input Protection Continuous Transient Voltage Output Protection Current Output Protection maximum ANSI/IEEE C37.90.1-1989 Continuous Short Ground rms, continuous Power Supply Voltages Supplies Rated Operation Current Sensitivity Loop Supply Rated Operation Current Sensitivity Mechanical Dimensions lout ±0.0002% span/V 3.15" 3.395" 0.775" 80.0 86.2 19.7 Environmental Temperature Range Rated Performance Storage Relative Humidity, hours Susceptibility -25°C +85°C -55°C +85°C +60°C non-condensing ±0.5% Span error MHz, Watt, ±(11.5 16.5 ±0.01% span/V
(3B31-02); (3B31-03)
Specifications same model 3B30. range, typical minimum output current Includes combined effects repeatability, hysteresis, nonlinearity. With respect voltage output. wide range custom zero suppression span available with 3B30-00 3B31-00 models, using AC1310 ranging card. loop power required driving current output loads 850. current output load less applied, sufficient loop power. only voltage output used, loop power required. Specifications subject change without notice.
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3B30 3B31 CONFIGURATIONS FUNCTIONAL DESCRIPTIONS
Figure 3B30 3B31Input Field Connections
Table Function Descriptions-
Description
Figure Model Series Module, with pin-out assignments.
CAUTION
(electrostatic discharge) sensitive device. Electrostatic charges high 4000 readily accumulate human body test equipment discharge without detection. Although this product features proprietary protection circuitry, permanent damage occur devices subjected high energy electrostatic discharges. Therefore, proper precautions recommended avoid performance degradation loss functionality.
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3B30 3B31 OUTLINE DIMENSIONS
Figure Outline Dimensions
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3B30 3B31 NOTES
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3B30 3B31 NOTES
2004 Analog Devices, Inc. rights reserved. Trademarks registered trademarks property their respective companies. D05093-0-9/04(0)
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