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3B17-D-02 데이터시트 PDF




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부품번호 3B17-D-02 기능
기능 Wide Bandwidth LVDT/RVDT Input
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3B17-D-02 데이터시트, 핀배열, 회로
Wide Bandwidth LVDT/RVDT Input
FEATURES
Isolates, amplifies, & filters signals from 4-, 5, or 6-wire
Linear Variable Displacement Transformers (LVDTs).
Isolates, amplifies, & filters signals from Rotary Variable
Displacement Transformers (RVDT).
Provides an AC excitation voltage of 1V rms to 5V rms at
frequencies between 1 kHz and 10kHz.
Module circuitry can withstand 130v rms at the input screw-
terminals.
All 3B17 series modules are mix-and-match and Hot
Swappable.
APPLICATIONS
Industrial signal amplification
Industrial signal isolation
Industrial signal filtering
PRODUCT OVERVIEW
The 3B Series of Signal Conditioning I/o Subsystems provide a
low-cost, versatile method of transferring analog transducer
signals to a data acquisition, monitoring or control system
without the inherent noise, non-linearity, drift and extraneous
voltages. The modules are designed to directly accept analog
signals from Thermocouples, RTD’s, AC and DC Strain Gages,
Torque Transducers, Frequency Transducers, LVDTs, millivolt
or process current signals. The modules amplify, isolate,
linearize and convert the transducer output signals to
standardized analog inputs for high-level analog I/O
subsystems. The 3B Series Subsystem consists of a 10” relay
rack with universal mounting backplane and a family of plug-in
(up to 16 per rack) input and output signal conditioning
modules.
Eight and four channel backplanes are also available. Each
backplane incorporates screw terminals for sensor inputs and
current outputs and a 26-pin connector for high-level single-
ended voltage outputs to the user’s equipment.
The input modules feature complete signal conditioning
circuitry optimized for specific sensors or analog signals and
provide two simultaneous high-level analog outputs: 0 to +10V
(or +10V) and 4-20 mA (or 0-20 mA).
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
3B17
FUNCTIONAL BLOCK DIAGRAM
Figure 1. 3B17 Functional Block Diagram
Output modules accept 0 to +10V (or +10V) single-ended
signals and provide an isolated 4-20 mA (or 0-20 mA) process
signal. All modules feature a universal pin-out and may be
readily hot-swapped under full power and interchanged without
disrupting field wiring.
The Analog Devices 3B Series Signal Conditioning Subsystem is
designed to easily handle signal conditioning problems in
measurement and control applications. Some typical uses are in
microcomputer-based data acquisition systems, programmable
controllers, analog recorders, dedicated control systems, and any
other applications where monitoring of temperature, pressure,
flow and analog signals are required. Since each input module
features two simultaneous outputs, the voltage output can be
used to provide an input to a microprocessor-based data
acquisition or control system while the current output can be
used for analog transmission, operator interface, or an analog
backup system.
Each input module is a single-channel signal conditioner which
plugs into a socket on the backplane and accepts its signal from
the input screw terminals. All input modules provide input
protection, amplification and filtering of the input signal,
accuracy of +0.1%, low drift of +1 uV/oC (low-level input
modules), and feature two high-level analog outputs that are
compatible with most process instrumentation. The isolated
input modules also provide +1500 V peak isolation.
The choice of a specific 3B module depends upon the type of
input signal. Input modules are available to accept millivolt, volt,
process current, thermocouple, RTD, AC and DC strain gage,
frequency and LVDT inputs. The voltage output of each module
is available from the system I/O connector while the current
output is available on the output screw terminals.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.




3B17-D-02 pdf, 반도체, 판매, 대치품
3B17
Voltage
1 V rms to 5 V rms
Voltage, tolerance
±10%
Frequency
1 kHz to 10 kHz, ±15%
Drive
20 mA rms, minimum
Harmonic Distortion
< 0.5%
Voltage Output Calibration4
Span Adjustment Range
256:1
Zero Adjustment Range
±5 V
Current Output Calibration4
Zero and Span Adjustment Range
±5% of Span
Input Bias Current
+1 µA
Input Resistance
Bandwidth5, -3 dB
100 M
100 Hz
Output Rise Time, 10% to 90% Span
5 ms
Input Protection, Signal and Excitation Voltage
Continuous
130 V rms maximum
Transient
ANSI/IEEE C37.90.1-1989
Voltage Output Protection
Continuous Short to Ground
Current Output Protection
130 V rms, continuous
±15 V dc Supplies
Rated Operation
±(13 V dc to 18 V dc)
Current
±65 mA plus LVDT Current7
Sensitivity
±0.03% span/V
+24 V dc Loop Supply
Rated Operation
+13.5 V dc to +30 V dc
Current
Sensitivity
+27 mA @ lout = 20 mA
±0.001% span/V
Mechanical Dimensions
3.15" x 3.395" x 0.775"
80.0 mm x 86.2 mm x 19.7 mm)
Environmental
Temperature Range
Rated Performance
-25°C to +85°C
Storage
-55°C to +85°C
Relative Humidity, 24 hours
0 to 95% @ +60°C non-condensing
RFI Susceptibility
±0.5% Span error @ 400 MHz, 5 Watt, 3 ft
1 For a 0 mA to 20 mA range, a typical minimum output current is 10 µA.
2 Includes the combined effects of repeatability, hysteresis, and nonlinearity.
3 With respect to the voltage output.
4 A wide range of custom zero suppression and span is available with the 3B17-00 model, using the AC1310 ranging card.
5 Bandwidth can be set for up to 1/10 the excitation frequency when ordering Model 3B17-custom.
6 +24 V dc loop power is required for driving the current output at loads up to 850. If a current output load of 400or less is applied, +15 V dc is sufficient for loop power. If only
voltage output is used, loop power is not required.
7 Typical supply current is ±40 mA per module plus ±5 mA for the LVDT drive current. To calculate supply current requirements from LVDT currents, use 75% of the LVDT rms
current.
Specifications subject to change without notice.
Rev. 0 | Page 4 of 8

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3B17-D-02 전자부품, 판매, 대치품
NOTES
3B17
Rev. 0 | Page 7 of 8

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