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Model 6053, 4-Channel Strain/Bridge Transducer Amplifier-Filter-Analog Outputs



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  • Isolated excitation & input with 300 Volts common mode
  • Programmable input configuration ¼, ½ & full bridge
  • Programmable excitation with remote sensing
  • Shunt & voltage calibration
  • Automatic zero & balance
  • Gains 1 to 5,000 with 0.05% accuracy
  • Up to 40 kS/s per channel with 16-bit resolution
  • Two buffered 10 Volt analog outputs per channel
  • Two alarms with programmable upper & lower limits

Description

The 6053 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 six-pole low pass programmable 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 two continuous, calibrated analog outputs.

The input and excitation are isolated from the outputs, power, and control interface. This gives the user complete freedom to ground the input without creating ground loops that introduce noise and offset errors.

The 6053 is used with quarter, half and full bridge transducers, potentiometers and low-level voltage signals in demanding applications such as load control. The filter is a six-pole programmable filter with cutoff frequency from 10 Hz to 20 kHz.

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

25 kHz

Excitation/Transducer Power

Voltage

Filter

6-Pole, programmable, low pass Butterworth

Sample Rate (Digitizer)

Up to 40 kS/s

Analog Output

Two Independently Buffered Analog Outputs


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.

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 (for 350 Ohms) installed.

Impedance

44 Megohms, shunted by 500 pF.

Protection

±50 Volts, differential or ±350 Volts common mode without damage.


Excitation/Transducer Power

Voltage Excitation

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.

Stability

±0.01%, ±0.005 %/ºC

Excitation Noise

200 µV peak-to-peak.

Monitor

Calibration mode applies excitation voltage to amplifier input.


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

78 dB plus gain in dB to 120 dB for balance input and 110 dB for a 350 Ohm source unbalanced, ±300 Volts, DC to 60 Hz.

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.

Source Current

±25 nA, ±0.01 nA/ºC

Noise (10 Hz)

0.1 µV RMS RTI plus 0.5 mV RMS RTO

Noise (Wideband)

2 µV RMS RTI plus 0.5 mV RMS RTO

Bandwidth

25 kHz (-3 dB) or better.

Slew Rate

5 V/µS

Recovery

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

Output

Two ±10 Volt full scale, wideband or filtered outputs. Accuracy is ±0.05%. Outputs are independently buffered and either may be shorted indefinitely without affecting the other.


Filter

Filter Type

Six pole, programmable, low pass Butterworth.

Frequency

Continuously programmable 10Hz to 20kHz, 1.25Hz resolution, 3% accuracy.

Noise (Filter)

0.5 mV RMS RTO

Other

Other filter characteristics and cut offs available.


Digitizer

Resolution

16-bits, two's complement output.

Sample Rate

0 to 40 kS/s per channel

Digitizer Linearity

±2 LSB (±0.006%)

Continuity

Monotonic to 15 bits.

Alarms

Two alarms each with programmable upper and lower limits and persistence checked on each ADC sample.


Calibration

Shunt

Two steps shunt, internal or external connection, 174k Ohm 0.1% and 357k Ohm 0.1%

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.

Indicators

LED indicators are provided on the card and on the Series 6000 enclosure for status indication of the channels

Operating Temperature

0 to +50 ºC


Ordering Information 

Ordering Information

6053-PF4/5K-BU6 - 4-Ch Strain-Bridge, PF 10Hz-20kHz 6-Pole Butterworth


 DOWNLOADS 

Model 6053
(PDF, 92KB)



 Complementary to Model 6053 


Model 6039
Model 6039 8-Channel Strain/Bridge Transducer Amplifier - Filter-Digitizer


Model 6052
Model 6052 4-Channel Strain/Bridge Transducer Amplifier - Filter-Digitizer

more available ..


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