SoMat eDAQ Bridge Layer
The SoMat eDAQ Bridge Layer (EBRG) offers 16 simultaneously sampled, low-level differential analog inputs through independent connectors. An extremely versatile layer, the Bridge Board works with both amplified and unamplified transducers, including strain gauges, accelerometers, pressure transducers, load cells, and other general analog signals.
The EBRG provides excellent strain gauge conditioning with support for 1/4-, 1/2-, and full-bridges. Automatic balancing and gain settings--as well as software selectable sample rates, excitation, and digital filtering--simplify the set-up of a strain channel. There are several calibration options, including defined value, external, multipoint and shunt calibrations with imbedded software tools. Four shunt calibration resistors per channel are also included, with software selectable shunt direction.
The EBRG is available with an optional Analog Out. Calibration files, directly compatible with popular simulation software, scale the analog outputs to engineering units.
Product Specifications
Physical
Size: 9.2"W x 9.7"L x 1.3"H (23cmW x 25cmL x 3.3cmH)
Weight: 4.4lbs (2.0kg)
Temperature: -20° to 65° C
Connectors: (16) SoMat Female Bulkhead Connector
Inputs
Range:
Minimum full-scale: ±625μV
Maximum full-scale: ±10VResolution: 16-bit ADC, across specified full scale range
Sample Rates: Independently Set
100kHZ Master Clock= 0.1Hz to 100kHz
98.3kHz Master Clock= 0.1 Hz to 98,304HzFiltering:
Analog: 25kHz, 8-pole Butterworth low-pass filter
Digital: Software selectable; 8-pole Butterworth and Linear PhaseStrain Gage Conditioning:
Supports: 1/4, 1/2, and Full Bridge Devices
Excitation: 5V (Bipolar ±2.5) or 10V (Bipolar ±5)
Bridge Resistance:1/2 and Full Bridge: 100 to 10,000Ω.
1/4 Bridge: Completion Resistor; specified 350Ω (EBRG-350) or 120Ω (EBRG-120)Four shunt calibration resistors per channel:
50k Ω,100k Ω, 200k Ω, 500k Ω
Selectable shunt direction: upscale (-Sig to -Ex), downscale (-Sig to +Ex)
Includes
(16) SoMat SAC-TRAN-MP-2 Transducer Cables (2 m)
Product Options
Analog Out (EBRG-AO)
The eDAQ Bridge Layer (EBRG-AO) analog outputs are conditioned output signals that can be used in the creation of time-domain lab durability tests. When setting up the laboratory simulation, the SoMat eDAQ system is brought into the lab with the component or vehicle. This practice is highly recommended, as it ensures that all of the transducer instrumentation and properties are identical for the lab simulation as they were for the field data collection. Instead of being recorded, the analog out signals are sent as time series data for the test rig to analyze. The controller can then develop drive files that are played into the test rig, reproducing exact field dynamics in the lab.
Benefits:
Consistency/Accuracy
The same signal conditioning, set-up file, and calibrations used in both the field and lab
Ease of Set-up
Configure the eDAQ once, use it in both applications; Analog Output Calibration File directly compatible with popular simulation software
Includes
(1) SoMat SAC-TRAN-AO-2 Analog Output Cable
Part Number Code
The following number scheme is used to identify the layer configuration.
EBRG - XXX - XX
eDAQ Layer EBRG1/4 Bridge Completion Resistor
120 Ω
350 ΩOptions
B = Base
Layer AO = Analog Out
Cables and Accessories
Breakout Box, Analog Out
The SoMat Analog Output Box (EBB-AO) is a breakout box for the analog output option on the eDAQ EHLS and EBRG layers.
M8 Hex Nut Wrenches
The SoMat M8 Hex Nut Wrenches (HDW-0034-00) work with the SoMat M8 transducer and extension cables for both the eDAQ and eDAQlite.
Extension Cable (0.4 m)
The SoMat SAC-EXT-MF-0.4 Extension Cable (SAC-EXT-MF-0.4) is a high-quality 0.4 meter pre-molded cord et with Male/Female SoMat M8 connectors.
Extension Cable (2 m)
The SoMat Extension Cable (SAC-EXT-MF-2) is a high-quality 2 meter pre-molded cord set with Male/Female SoMat M8 connectors.
Extension Cable (5 m)
The SoMat SAC-EXT-MF-5 Extension Cable (SAC-EXT-MF-5) is a high-quality 5 meter pre-molded cord set with Male/Female SoMat M8 connectors.
Extension Cable (10 m)
The SoMat SAC-EXT-MF-10 Extension Cable (SAC-EXT-MF-10) is a high-quality 10 meter pre-molded cord set with Male/Female SoMat M8 connectors.
Extension Cable (15 m)
The SoMat SAC-EXT-MF-15 Extension Cable (SAC-EXT-MF-15) is a high-quality 15 meter premolded cord set with Male/Female SoMat M8 connectors.
Transducer Cable (2 m)
The SoMat Transducer Cable (SAC-TRAN MP-2) is a high-quality 2 meter pre-molded cord set with tinned pigtail wires for transducer wiring.
Transducer Cable (10 m)
The SoMat Transducer Cable (SAC-TRAN-MP-10) is a high-quality 10 meter pre-molded cord set with tinned pigtail wires for transducer wiring.
Transducer Cable, Analog Out (2 m)
The SoMat Analog Out Transducer Cable (SAC-TRAN-AO-2) is a high-quality pre-molded cord set with tinned pigtail wires for transducer wiring.
Product Literature
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| Somat EBRG | EN | DE | ES | FR | IT | PT | CN | JP | KR |
|---|---|---|---|---|---|---|---|---|---|
| Data Sheet - SoMat EBRG |  | |  | | | | | | |
| Brochure | | | | | | | | | |
Software and Firmware Downloads
Click here to download software files for SoMat eDAQ
Application Reports on SoMat eDAQ
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