The Low Level PIU (Process Interface Unit) is the TDC 2000 field I/O device for low level analog inputs, typically thermocouples and RTDs. The common card file (CCFA) controls up to four point card files (PCFA). Each point card file can contain up to 64 low level analog inputs.
Common card files, point card files, point cards, and signal conditioning cards for Low Level PIUs are available from WPC to meet your requirements.

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