5B38 AD [Analog Devices], 5B38 Datasheet

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5B38

Manufacturer Part Number
5B38
Description
Isolated, Wide-Bandwidth Strain Gage Input
Manufacturer
AD [Analog Devices]
Datasheet
FEATURES
Wide-bandwidth Single-Channel Signal Conditioning
Interfaces, Amplifies, and Filters signals from full-bridge and
half-bridge strain-gage transduces between 300Ω and 10kΩ.
Isolated Precision Output of -5V to +5V.
10 kHz bandwidth of the 5B38 ideally suits to measure
signals that vary rapidly with time.
Module circuitry can withstand 240v rms at the input screw-
terminals.
All 5B38 series modules are mix-and-match and Hot
Swappable.
APPLICATIONS
Industrial signal conditioning
Industrial signal isolation
Industrial signal filtering
PRODUCT OVERVIEW
The 5B Series represents an innovative generation of low cost,
high performance plug-in signal conditioners. Designed for
industrial applications, these modules incorporate highly
reliable transformer-based isolation and automated surface-
mount manufacturing technology. They are compact,
economical components whose performance exceeds that
available from more expensive devices. Combining 1500 V rms
continuous isolation, +0.05% calibrated accuracy, small size and
low cost, the 5B Series is an attractive alternative to expensive
signal conditioners and in-house designs
All modules are potted and identical in pin-out and size (2.27” x
2.32” x 0.595”). They can be mixed and matched, permitting
users to address their exact needs, and may be “hot swapped
without disturbing field wiring or power. The isolated input
modules provide 0 to +5V or +5V outputs and accept J, K, T, E,
R, S, N, or B type thermocouples.
These modules feature complete signal conditioning functions
including 240 V rms input protection, filtering, chopper
stabilized low drift +1 uV/oC amplification, 1500 V rms
isolation, and sensor excitation when required.
All modules feature excellent common mode rejection and
meet industrial transient surge withstand specifications.
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.
Isolated, Wide-Bandwidth Strain Gage Input
There are also a number of backplanes and mounting sockets
which provide a complete signal conditioning solution for end
users. Each backplane incorporates screw terminals for field
wiring inputs and outputs and cold junction sensors for
thermocouple applications.
These signal conditioners are designed to provide an easy and
convenient solution to signal conditioning problems of both
designers and end users in measurement and control
applications. Typical uses include microcomputer-based
measurement systems, standard data acquisition systems,
programmable controllers, analog recorders and dedicated
control systems. The 5 B series modules are ideally suited to
applications where monitoring and control of temperature,
pressure, flow, rotation and other analog signals are required.
The 5B Series modules and backplanes are approved by Factory
Mutual (FM) and the 5B Series modules are approved by the
Canadian Standards Association (CSA) for use in Class 1,
Division 2, Groups A, B, C, and D locations. These approvals
certify that the 5B Series is suitable for use in locations where a
hazardous concentration of flammable gas may exist only under
fault conditions of operation. Equipment of this category is
called “non-incendive” and they need no special enclosures or
other physical safeguards.
The 5B series modules and backplanes have been tested and
passed the stringent heavy industrial requirements of the
European Union’s electromagnetic compatibility (ENC)
directive – EN50082-1 and EN50081-2. When used according
to installation directions (refer to 5B series User Manual), any
errors caused by EMI/RFI interference will be less than 0.1% of
the full scale 5B measurement range for field strengths up to 10
V/M and frequencies up to 1 GHz.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
FUNCTIONAL BLOCK DIAGRAM
Figure 1. 5B38 Functional Block Diagram
© 2004 Analog Devices, Inc. All rights reserved.
www.analog.com
5B38

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5B38 Summary of contents

Page 1

... Interfaces, Amplifies, and Filters signals from full-bridge and half-bridge strain-gage transduces between 300Ω and 10kΩ. Isolated Precision Output of -5V to +5V. 10 kHz bandwidth of the 5B38 ideally suits to measure signals that vary rapidly with time. Module circuitry can withstand 240v rms at the input screw- terminals ...

Page 2

... The 5B38 protects the computer side from damage due to field- side over-voltage faults. The module withstands 240V rms at its input terminals without damage, thereby shielding computer- side circuitry from field-side over-voltage conditions ...

Page 3

... Excitation 300 Ωto 10 kΩ +10.0 V 300 Ωto 10 kΩ +10.0 V 300 Ωto 10 kΩ +10.0 V 300 Ωto 10 kΩ +10.0 V Model 5B38 Full Bridge Input Ranges ± mV/V Sensitivity) ± mV/V Sensitivity) ± ±500 Accuracy ±0.08% Span ±10 µV RTI ± ...

Page 4

... RTI/% 2.275" x 2.375" x 0.595" (57 59 15.1 mm) Environmental Temperature Range -25°C to +85°C -40°C to +85°C -40°C to +85° 93% @ +40°C non-condensing ±0.5% Span error @ 400 MHz, 5 Watt Rev Page 5B38 * * ...

Page 5

... PIN CONFIGURATIONS AND FUNCTIONAL DESCRIPTIONS x Figure 3 5B38 Input Field Connections Table 1. Pin Function Descriptions— Pin No. Description 1 -EXC +EXC ESD CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although this product features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...

Page 6

... OUTLINE DIMENSIONS Figure 5. Outline Dimensions Rev Page 5B38 ...

Page 7

... NOTES Rev Page 5B38 ...

Page 8

... NOTES © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective companies. D05099-0-9/04(0) Rev Page 5B38 ...

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