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MODEL V380 VME
STRAIN GAGE/
WEIGHING MODULE

 V 380 electronic weigh module, strain gauge
  • Excites and measures up to eight strain gage load cells.
  • Includes smart tare, calibration, and weigh functions.
  • Onboard 32-bit processor supports digital filtering, triggered weighing, and custom computations.
  • 16-bit (65536 count) resolution after tare compensation.
  • Clean, logical VME bus interface is well suited to PLC-based weighing applications.
  • Single-width 6U VME, B-size VXI module.
 The V380 is a VME/VXI compatible eight-channel strain-gage signal conditioner which is optimized for load-cell weighing applications. The module includes tare (zero reference), DSP-based high-order filtering, averaging, triggered weighing, and other functions not commonly available in conventional strain-gage signal conditioners. Filtering and averaging are programmable with fine granularity to allow precise optimization of high-speed weighing applications.

All module functions are programmable; except for the VME-bus address switch, the module has no jumpers, switches, or trimpots. All parameters, tare values, and calibration factors are retained in nonvolatile memory

 SPECIFICATIONS: MODEL V380 VME WEIGHING MODULE
 CONFORMANCE ANSI/IEEE 1014-1987 VMEbus specification. Meets VXIC Rev. 1.4. and IEEE-P1155/D3 specifications.
 SIZE Single-width, 6U VME, B-size VXI module.
 DEVICE TYPE Register based slave: A16:D16:D08(EO). 
ADDRESSING
512-byte data block in bus A16 address range (VME short I/O space). Bus address is set by onboard dipswitch.
EXCITATION Onboard remote-sensed bridge excitation source, 10-volt standard; 40mA max per-channel load.
INPUTS
Eight differntial inputs
CMRR better than 100dB
Input impedance is 60Mohms typ.
Maximum input +-50mV (equivalent to 5mV/V excitation) 
RESOLUTION 16 bits (65536 counts) MAX after tare and cal. One 24-bit ADC per channel, 32-bit after filtering, 92.132 pV per LSB
TARE On-demand, per-channel subtraction of reference weight up to full-scale signal range.
CALIBRATION On-demand, per-channel normalization of output data to a customer-provided 16-bit engineering unit reference value. Tare and cal values are retained in nonvolatile memory.
FILTERING  Programmable digital filtering (Bessel in 0.1s, 0.2s, and 0.4s risetime) and averaging (last N samples).
OPTIONS Other excitations, signal ranges, filtering available.

Special software functions are available.

Highland Technology V380 VME Strain Gage/Weighing Module Data Sheet