The 6018 input module has eight channels, each with programmable constant current excitation, programmable gain instrumentation amplifier, low pass filter and sample and hold. The high level outputs are multiplexed and digitized to 16 bits then output to the 6000 data bus.
The 6018 is used with RTDs, potentiometers and low-level voltages. Each channel has a highly-stability constant current transducer excitation supply that is programmable from 0.5 to 5mA. A four wire input provides individual signal and excitation leads for high-accuracy measurements. Resistance substitution is provided for calibration of RTDs and other resistive transducers.
Voltage substitution is provided for channel gain calibration utilizing an external voltage standard. A calibration attenuator enables the voltage standard to be used on its highest accuracy ranges and provides a post-attenuator output on the rear panel for calibration. Using Pacific's PI660 software zero and gain calibrations are automatic.
The four-pole, low-pass filter uses an easily changed plug-in module to set bandwidth. Either the wideband or filtered output may be digitized and sent to the 6000 data bus. Two programmable alarms with upper and lower limits are checked each time the outputs are digitized. High-level analog outputs provide a means to independently monitor or record each channel.
Signal Conditioning & Data Acquisition
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Signal Conditioning & Data Acquisition