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DI-5B38-100 Programmable Strain Gage Signal Conditioner

Full-, Half- or Quarter-Bridge Input
DI-5B Industrial Signal Conditioning Modules

Each DI-5B38-100 programmable strain gage input module provides a single channel of strain gage input which is filtered, amplified, and converted to a high level voltage output. The modules are easily configured using a Windows based spreadsheet style setup program, which accepts user inputs and communicates to the modules using a standard RS-232 serial port. Standard communications ports 1-4 can be used and the baud rate is fixed at 4800. Each module has a unique serial number stored in EEROM that is used for addressing up to 64 modules in a system. However, the serial number is user programmable and can be set as an alpha-numeric label. Eight and 16-channel backpanels are available which have the communication circuitry for interfacing to the modules and multi-dropping multiple backpanels.

Once configured, the module(s) may be used in the same backpanel or removed and used in any standard "5B" backpanel.

The DI-5B38-100 can interface to transducers with a nominal resistance of 120Ω to 10KΩ. Input configurations of full bridge, half-bridge or quarter bridge can be accommodated by selecting or de-selecting the internal precision bridge completion resistors. Strain gage excitation is provided from the module by a stable 5V source.

The key feature of the DI-5B38-100 module is the remote programmable balance and gain. The "Balance" command can be used to offset bridge imbalances and to provide pedestal offsets up to ±100% span with 16-bit resolution. The "Gain" command can be used to program the module gain over the wide range from 5 to 2500 with 12-bit resolution. One of four precision internal shunt calibration resistors with values of 20KΩ, 40KΩ, 80KΩ and 200KΩ can be selected to simulate a full scale condition for setting module gain. Additionally, an external calibration resistor can be selected.

Voltage output can be programmed to values between ±0.5V and ±5.0V in 0.5V steps. It can also be programmed to be inverting or non-inverting. Signal filtering is accomplished with a 5kHz bandwidth single-pole filter to optimize step response.

When configuring the modules, a Windows spreadsheet-like software interface is used to enter the configuration parameters on a channel-by-channel basis. A secondary spreadsheet is used to list module serial numbers for channels 1-64. Modules 1-64 are divided into 8 groups of 8 for localized programmability. Any commands sent to the modules can be addressed to individual modules, groups of 8 modules, or to all 64 modules. Among other things, this allows simultaneous balancing or setting gain for signal conditioners in specific locations. All setup information is stored in non-volatile memory on the module, allowing the modules to be programmed and installed at a later time. Setup information can also be saved to a file so modules can be easily returned to their original configuration or new modules can be programmed to match previously programmed modules.

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Part # Price Order
DI-5B38-100
Programmable Strain Gage Signal Conditioner.
$520
Quantity: 
Accessories
Backplanes and Power Supplies.
N/A Go to Accessories

Note: Pricing outside the U.S. will be higher to account for shipping, taxes, duty, currency fluctuation, local warranty and technical support in your country.
DI-5B Signal Conditioners have typical lead times of 2 weeks ARO.
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DI-5B Industrial Signal Conditioning Modules DatasheetDI-5B38-100 Datasheet (pdf)

DI-5B Industrial Signal Conditioning Modules DatasheetGeneral 5B module Datasheet (pdf)

Export Data to ExcelHow to Export Recorded Data to Excel

WinDaq Data Acquisition SoftwareWinDaq Software

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Knowledge Base and Common Support Issues

The Importance of Isolation

Dimensions and Pinout

Pass-through connections to jump a 5B module socket

How To Calibrate Strain Gage-Based Transducers Using DI-5B38 Strain Amplifiers

Strain Gage-Based Transducer and Amplifier Selection and Calibration

How To Choose Strain Gage-based Transducers for PC-based Data Acquisition Applications

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