The 6035 input module has eight channels of programmable transducer signal conditioning amplifiers and digitizer. Each channel has programmable voltage excitation, bridge completion and balance, programmable gain instrumentation amplifier, four-pole low pass filter and sample and hold amplifier. Channel outputs are multiplexed and digitized to 16 bits then provided to the 6000 data bus. In addition to the digitized output, each channel has an analog output providing a means to monitor or record each channel.
The 6035 is used with 1/4, 1/2 and full bridge transducers, potentiometers and low-level voltage signals. It is particularly suited to strain gages. A shielded four-wire input provides signal and excitation connections to the transducer. Excitation is programmable from 0 to 12 Volts for each channel. Individual excitation regulators and careful routing of power traces and grounds results in less than 0.01% effect due to loading or a short on another channel. A calibration mode is provided to measure the excitation voltage.
Gain calibration may be done by voltage substitution using an external voltage standard. A calibration attenuator enables the voltage standard to be used on its highest accuracy ranges and has a post-attenuator output for accuracy verification. Bipolar shunt is provided for transducer calibration. Calibration and gain and zero correction can be automated using software such as Pacific’s PI660. Two alarms with programmable upper and lower limits are provided.
Signal Conditioning & Data Acquisition
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Signal Conditioning & Data Acquisition