V246
VXI Bridge Signal Conditioner Module

The V246 is a single-width, C-size, register-based, fully programmable, VXIbus module that provides 8 channels of bridge signal conditioning. It accommodates transducers that represent one, two, or four active arms of a bridge circuit. An option is available for 3- or 4-wire RTDs.

The V246 module is designed to work as a front-end signal conditioner for the KineticSystems V207 and V208 ADC Host modules, as well as with other VXIbus-based converter products. This combination permits the digitization of properly conditioned inputs from high-frequency strain gages, RTDs and other bridge-type sensors. No intermodule wiring is necessary since this module is fully compatible with the KineticSystems MUX-bus.

VXI Bridge Signal Conditioner Module: V246

V246 Data Sheet

Supporting Software

Supporting Chassis

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The V246 signal conditioner provides bridge completion, excitation, anti-aliasing filtering, and amplification for bridge-type inputs. It contains provisions for 2-point shunt calibration, automatic voltage and excitation calibration, as well as excitation alarms. Bridge offsets of up to 70 mV may be nulled with a 12-bit DAC current source. Each channel may be programmed independently. A removable termination housing is available for convenient wiring of sensor leads.

The V246 supports both static and dynamic configuration. It may be accessed using A24/A16, D16 data transfers.

VXI Module Features

  • Full-Featured High-Accuracy Bridge Signal Conditioner
  • Use with V207: 16-Bit, 500 KSPS ADC Host Module
  • Use with V208: 16-Bit, 100 or 200 KSPS ADC Host Module
  • Bridge Completion for 1, 2, or 4 Active Arms using Precision
    Vishay Metal-Foil Resistors; RTD Options Available
  • Programmable Shunt Calibration & Excitation; Current Monitoring,
    RTD Options
  • 6-Pole Low-Pass Filters with Programmable Cutoff Frequency:
    20, 200, 1000, or 2000 Hz; or Bypass
  • Programmable Bridge Balance
  • 10-Wire Transducer Hookups
  • Optional Simultaneous Sampling
  • Trifilar-Wound Input Transformers Provide Excellent
    High-Frequency CMRR

VXI Module Ordering Information

V246 Products and Part Numbers
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Bessel Filter, No Bridge Completion
V246-BAA4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Bessel Filter, No Bridge Completion
Simultaneous Sampling
V246-BAB4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Bessel Filter, 120Ω Bridge Completion
V246-BBA4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Bessel Filter, 120Ω Bridge Completion
Simultaneous Sampling
V246-BBB4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Bessel Filter, 350Ω Bridge Completion
V246-BCA4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Bessel Filter, 350Ω Bridge Completion
Simultaneous Sampling
V246-BCB4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Bessel Filter, RTD Bridge Completion
V246-BGA4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Chebyshev Filter, No Bridge Completion
V246-KAA4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Chebyshev Filter, No Bridge Completion
Simultaneous Sampling
V246-KAB4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Chebyshev Filter, 120Ω Bridge Completion
V246-KBA4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Chebyshev Filter, 120Ω Bridge Completion
Simultaneous Sampling
V246-KBB4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Chebyshev Filter, 350Ω Bridge Completion
V246-KCA4
8 Channels Trifilar Bridge Signal Conditioner,
6-Pole Chebyshev Filter, 350Ω Bridge Completion
Simultaneous Sampling
V246-KCB4