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3B40:  Isolated Wide Bandwidth millivolt Input Signal Conditioning Module

Product Details


The 3B Series Signal Conditioning I/O Subsystem provides a low cost, versatile method of interconnecting real world analog signals to a data acquisition, monitoring or control system. It is designed to interface directly to analog signals such as thermocouple, RTD, ac and dc Strain Gage, Torque Transducer, Frequency, LVDT, AD590/AC2626 solid state temperature sensor outputs, and millivolt or process current signals, and convert the inputs to standardized analog outputs compatible with high level analog I/O subsystems.

The 3B Series Subsystem consists of a 19" relay rack, compatible universal mounting backplane and a family of plug-in input and output signal conditioning modules (up to 16 per rack). 8- and 4-channel backplanes are also available. Each backplane incorporates screw terminals for sensor inputs and current outputs and a connector for high level, single-ended outputs to the user’s equipment.

Input and output modules are offered in both isolated (±1500 V peak) and nonisolated versions. The input modules feature complete signal conditioning circuitry optimized for specific sensors or analog signals, and provide high level analog outputs. Each input module provides two simultaneous outputs: 0 V to +10 V (or ±10 V) and 4–20 mA (or 0–20 mA). Output modules accept 0 V to +10 V (or ±10 V) single ended signals and provide an isolated or nonisolated 4–20 mA (or 0–20 mA) process signal. All modules feature a universal pinout and may be readily “mixed and matched” and interchanged without disrupting field wiring.

Each backplane contains the provision for a subsystem power supply. The 3B Series Subsystem can operate either from a common dc/dc or ac power supply mounted on each backplane, or from externally provided dc power. Two LEDs are used to indicate that power is being applied.

FEATURES and BENEFITS

  • Accepts mV Inputs
  • Current Sense Applications
  • General Purpose Isolation
  • 10 KHz BW
  • Voltage (±10V) and Current Outputs
    (0-20mA or 4-20mA)

Functional Block Diagram for 3B40

Additional 3B Resources: Accessories, Backplanes and Power Supplies
Sales and Service: North America (SCS Embedded Tech), Rest of World
Download a PDF copy of this user manual

Documentation

Title Content Type File Type
3B40/3B41: Isolated Wideband Voltage Input Data Sheet (Rev 0, 01/1999) (pdf, 400 kB) Data Sheets PDF
AN-535: Digital Input/Output Subsystems  (pdf, 336 kB) Application Notes PDF
3B User's Manual  (pdf, 4732 kB)
The 3B Series Signal Conditioning I/O Subsystem
User Guides PDF
Make vs. Buy! When Should I Reinvent the Wheel?
(Analog Dialogue, Vol. 33, No. 10, November-December, 1999)
Analog Dialogue HTML
3B Series Backplanes Backplanes HTML
IOS Custom Product Worksheet
As a Design Subcontractor, IOS believes it essential to engage with our customers early in the development cycle. Complete the form and it will be reviewed and you will be contacted by one of our design specialists.
Custom Product Worksheet HTML
3B Series Custom Configuration Ranges Configuration Guides HTML
3B Series Configuration Guide Configuration Guides HTML
3B Series Power Supplies Power Supplies HTML
Selecting the Right Signal Conditioning Series for Your Application Overview HTML
All Series Modules Overview HTML
IOS 3 Year Warranty  (pdf, 23 kB) Overview PDF
3B Series Overviews Overview HTML
IOS Short Form Brochure  (pdf, 2298 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
3B Series I/O Subsystem Software Tools
  • 3BCUSTOM.ZIP  (zip, 366 kB)
    Windows 3.1 and higher program for customizing 3B modules, (requires VGA 800x600). Calculates resistance values for customizing your owm 3B module. 375680 03-09-94
  • SENSORS.ZIP  (zip, 343 kB)
    Windows Conversion Utility Program for common temperature sensing devices. Sensors (Ver 1.2) Dated: Feb 15, 1994. 351525 08-24-95
  • TC_CONV.TXT  (txt, 2 kB)
    Simple steps explaining Temperature Conversion for our Thermocouple Modules (3B, 5B, 7B). 1920 07-09-93
I/O Subsystem Software Tools HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

3B40 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
3B40-00 Status: Production IOS MODULE 30 Comm. Tray, 1 - N  Material Info Notify Me Purchase
3B40-01 Status: Production IOS MODULE 30 Comm. Tray, 1 - N  Material Info Notify Me Purchase
3B40-02 Status: Production IOS MODULE 30 Comm. Tray, 1 - N  Material Info Notify Me Purchase
3B40-03 Status: Production IOS MODULE 30 Comm. Tray, 1 - N  Material Info Notify Me Purchase
3B40-CUSTOM Status: Production IOS MODULE 30 Comm. Tray, 1 - N  Material Info Notify Me Contact ADI
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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