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Model 6032, 4-Channel Strain/Bridge Transducer Amplifier-Filter-Digitizer



Features

  • Quarter, half & full bridge conditioning
  • Programmable excitation with remote sensing
  • Shunt & voltage calibration
  • Automatic zero & balance
  • Gains 1 to 5,000 with 0.05% accuracy
  • Fixed or programmable filter
  • Up to 20 kS/s per channel with 16-bit resolution
  • Two alarms with programmable upper & lower limits

Description

The 6032 input module has four channels of high performance signal-conditioning amplifier-digitizers for strain gages and bridge transducers. Each channel has programmable excitation with remote sensing, voltage calibration, local or remote shunt calibration, programmable gain instrumentation amplifier and four-pole low pass filter. The high level outputs are multiplexed and digitized to 16 bits then output to the 6000 data bus. In addition to the digitized output, each channel provides a continuous analog output.

The 6032 is used with quarter, half and full bridge transducers, potentiometers and low-level voltage signals in demanding applications such as load control. The EM option adds continuous excitation monitoring with out-of-limit alarms. The PF option adds a four-pole, 4 to 5,000 Hz programmable filter with 1 Hz resolution.

Voltage substitution using an external voltage standard is provided for traceable gain calibration. Internal or external shunt calibration is provided for transducer calibration. Transducer balance, zero and gain calibration are automatic. Two programmable alarms with upper and lower limits are checked for each digitized output. The high-level analog outputs provide a means to independently monitor or record each channel.






Overview  · Input  · Excitation/Transducer Power  · Amplifier  · Filter  · Digitizer  · Calibration  · Mechanical  · Ordering Information 

Overview

Measurement Type

Bridge
Strain Gage

Analog Bandwidth

5 kHz

Excitation/Transducer Power

Voltage

Filter

4-Pole

Sample Rate (Digitizer)

Up to 20 kS/s

Analog Output

Monitor Output


Input

Configuration

4 channels, 2 to 8 wire with guard shield. Bridge configuration is programmable for 1/4, 1/2 and full bridge, 120 Ohm and 350 Ohm.

Bridge Balance

Automatic by program control. Balance accuracy ±0.05% of range, ±1 mV RTO. Stability ±0.02% for 8 hours, ±0.005%/ºC. Range set by resistor up to 10 mV/V, 2 mV/V (350 Ohms) installed.

Impedance

50 Megohms, shunted by 1,000 pF.

Protection

±50 Volts differential, ±30 Volts common mode.


Excitation/Transducer Power

Output (Excitation/Transducer Power)

Programmable from 0-12 Volts in 1 Volt ±0.1% steps, with 3.3 mV resolution adjustment.

Current

50 mA limited to 70 mA.

Regulation

±0.01% for ±10% line and no-load to full-load using remote sensing, regulated per channel.

Stability

±0.01%, ±0.005 %/ºC

Excitation Noise

200 µV peak-to-peak.

Monitor

Calibration mode applies excitation voltage to amplifier input.

Output (Excitation Monitor (Option EM))

Supplemental measured excitation channels using 16-bit ADC with four-level alarm, at ±0.1%.


Amplifier

Gain

Programmable from 1 to 5,000 in 1, 2, 3, 5 steps with ±0.05% accuracy.

Gain Stability

±0.01%, ±0.004%/ºC.

Linearity (Amplifier)

±0.01% for gains < 1,000, ±0.02% for gains 1,000 and higher.

Common Mode

60 dB plus gain in dB up to 106 dB, DC to 60 Hz for ±10 Volts.

Zero (Amplifier)

Automatic to ±1 µV RTI, ±0.5 mV RTO.

Zero Stability

±5 µV RTI, ±1 mV RTO, ±1 µV/ºC RTI, ±0.2 mV/ºC RTO. Short term: ±2 µV RTI, ±0.4 mV RTO for 8 hours.

Source Current

±2 nA, ±0.01 nA/ºC

Noise (10 Hz)

0.5 µV peak, RTI.

Noise (1 kHz)

1.5 µV peak, RTI

Bandwidth

5 kHz (-3 dB) for gains ≤ 500, 1 kHz for gains > 500.

Slew Rate

0.5 V/µS

Recovery

800 µS to ±0.1% for 10X overload to ±10 V.

Analog Monitor

±10 Volt full scale, wideband. Accuracy is ±2%.


Filter

Type

Four-pole, low-pass

Standard Filter

Single frequency by plug-in. Range from 4 Hz to 1 kHz, 10 Hz supplied.

Programmable Filter

Continuously programmable 4 Hz to 5 kHz, 1 Hz resolution, ±2% accuracy. (option)

Other

Other filter characteristics and cut offs available.


Digitizer

Sample

Simultaneous sample and hold with ±50 nS channel-to-channel. Droop is less than ±0.005%.

Resolution

16-bits, two's complement output.

Sample Rate

Up to 20 kS/s per channel
Up to 20
kS/s

Digitizer Linearity

±2 LSB (±0.006%)

Continuity

Monotonic to 15 bits.

Alarms

Two alarms each with upper and lower limits that are programmable from negative to positive full scale. Limits checked on each ADC sample.


Calibration

Shunt

Single step shunt, internal or external connection, 0.502 mV/V (350 Ohm bridge), ±1% installed.

Voltage Substitution

Alternate input for external calibration source. Programmable attenuator with steps of 1, 0.1 and 0.01, ±0.02% accuracy. Output of the attenuator is provided for calibration.

Zero Calibration

Amplifier input disconnected and shorted.


Mechanical

Mounting

Occupies one slot in Series 6000 enclosures.

Connectors

Input is 50-pin Type D output is 9-pin Type D.

Operating Temperature

0 to +50 ºC


Ordering Information 

Ordering Information

6032 - 4-Ch Strain-Bridge, Single Freq Filter.
6032-EM - 4-Ch 6032 Excitation measurement.

6032-PF -4-Ch. 6032 PF 4 Hz to 1 kHz.


 DOWNLOADS 

Model 6032
(PDF, 89KB)


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