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7AI261.7

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B&R 7AI261.7 is a single-channel screw-in analog input module for evaluating a full-bridge strain gauge with 24-bit conversion.
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Technical specifications for 7AI261.7

  • Manufacturer:
    B&R
  • Part Number:
    7AI261.7
  • Product Family:
    B&R System 2003
  • Product Type:
    System 2003 Strain-Gauge Input Module
  • Stock:
    1
  • Analog inputs:
    1
  • Sensor type:
    Full-bridge strain gauge
  • Converter resolution:
    24 bit
  • Mounting:
    System 2003 screw-in module
  • Measurement range:
    ±1 to ±16 mV/V, software configurable
  • Input current:
    <140 nA
  • Supported bridge resistance:
    75 to 5000 Ω
  • Bridge excitation:
    4.5 VDC ±3%, max. 60 mA
  • Sensor connection:
    4-wire connection
  • Output representation:
    Physical units, 32-bit representation
  • Basic accuracy:
    ±55 ppm ±11 µV at 25°C
  • Operating temperature:
    0 to 60°C horizontal; 0 to 50°C vertical
  • Storage temperature:
    -25 to 70°C
  • Relative humidity:
    5 to 95%, non-condensing
  • Tariff Code:
    8538900000
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Sensor Input Conversion Commissioning Application
  • Provides one strain-gauge input
  • Uses a 24-bit converter
  • Requires bridge excitation and terminal assignment to be confirmed

7AI261.7 is a single-channel screw-in analog input module for evaluating a full-bridge strain gauge with 24-bit conversion.

It brings precision strain-gauge measurement into a compatible System 2003 CPU for load, force or weighing functions engineered around a full bridge.

Before installation or replacement, verify the full-bridge sensor type, excitation and signal wiring, shield and ground practice, calibration method, mechanical zero, compatible CPU slot and project scaling.

Availability, condition, price, and shipping time for 7AI261.7 are confirmed during quotation.

B&R 7AI261.7 Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Provides one strain-gauge input
  • The official CPU table specifies a full-bridge strain gauge
  • Installs as a System 2003 screw-in module
  • Uses a 24-bit converter
  • Requires project scaling from the measured bridge signal
  • Measurement quality depends on sensor wiring, shielding and calibration
  • Confirm bridge excitation and terminal assignment
  • Perform mechanical zero and span calibration in the installed machine
  • Verify stable readings under unloaded and known-load conditions
  • Full-bridge load-cell measurement
  • Machine force monitoring using a full-bridge strain gauge
  • Weighing or tension measurement integrated into a System 2003 controller
Description
B&R 7AI261.7 is a single-channel screw-in analog input module for evaluating a full-bridge strain gauge with 24-bit conversion.

It brings precision strain-gauge measurement into a compatible System 2003 CPU for load, force or weighing functions engineered around a full bridge.

Before installation or replacement, verify the full-bridge sensor type, excitation and signal wiring, shield and ground practice, calibration method, mechanical zero, compatible CPU slot and project scaling.
Alternative Names
7AI261.7 7AI2617 7AI261 7 B&R 7AI261.7 B&R System 2003 7AI261.7
Technical notes
B&R 7AI261.7 must be matched by complete material number, compatible System 2003 CPU or station, slot and terminal map, power and field wiring, saved project and connected devices. Back up the configuration and perform a controlled functional test after replacement.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can B&R 7AI261.7 be used with a half-bridge strain gauge?
B&R 7AI261.7 is designed for a full-bridge strain gauge and a half-bridge sensor should not be connected directly. Use it only if an approved external completion or signal-conditioning circuit has been engineered and validated for the application.
What sensor information is needed before ordering B&R 7AI261.7?
Provide the full bridge's rated output, excitation requirement, resistance, cable and shield arrangement, required range, mechanical capacity and calibration method.
Why can B&R 7AI261.7 show a drifting zero?
Inspect sensor mounting and temperature effects, bridge and excitation wiring, moisture, connector resistance, shielding and grounding, cable routing and the zero-calibration procedure.
Does 24-bit conversion guarantee 24-bit measurement accuracy on B&R 7AI261.7?
No. Converter resolution is not the same as total system accuracy; sensor quality, noise, mounting, excitation, scaling and calibration determine usable performance.
What should be backed up before replacing B&R 7AI261.7?
Save the exact channel configuration, scaling, filter, tare or zero values, calibration points, alarms and the related machine recipe or parameter set.
How should wiring be handled for B&R 7AI261.7?
Follow the documented 4-wire full-bridge connection, preserving the excitation and differential signal conductor assignments. Maintain the specified shield and grounding arrangement, and route the sensor cable separately from motor, contactor and other switching conductors.
What acceptance test should follow installation of B&R 7AI261.7?
Verify stable no-load zero, apply known reference loads across the working range, confirm scaling and alarms, and check repeatability during a controlled machine cycle.

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