Design criteria: data acquisition system for waste tank liquid level gauges and SX Tank Farm thermocouples

Technical Report · Thu Feb 17 00:00:00 EST 1972

DOI:https://doi.org/10.2172/4400115· OSTI ID:4400115

Martin, G. E.; Oliver, R. G.

This design criteria revision (revision 2) will cancel revision 1 and will provide complete functional supervision of the liquid level gauges. A new.counter and an electronic supervisory circuit will be installed in each waste tank liquid level gauge. The electronic supervisory circuit will monitor (via the new counter and a signal from the gauge electronics) cycling of the gauge on a one minute time cycle. This supervisory circuit will fulfill the intent of revision 1 (monitor AC power to the gauge) and, in addition, will supervise all other aspects of the gauge including: the electronics, the drive motor, all sprockets and chain linkages, and the counter. If a gauge failure should occur, this circuit will remove the +12 volts excitation from the data acquisition system inferface board; and the computer will be programmed to recognize this condition as a gauge failure. (auth)

• Research Organization: Atlantic Richfield Hanford Co., Richland, WA (United States)
• DOE Contract Number: AT(45-1)-2130
• NSA Number: NSA-29-010773
• OSTI ID: 4400115
• Report Number(s): ARH-2384
• Resource Relation: Other Information: Orig. Receipt Date: 30-JUN-74
• Country of Publication: United States
• Language: English

Related Subjects

N52200* -Nuclear Materials & Waste Management-Disposal & Storage
N46400 -Instrumentation-Miscellaneous Instruments
*LEVEL INDICATORS- DATA ACQUISITION SYSTEMS
*RADIOACTIVE WASTES- WASTE STORAGE
*TANKS- WASTE STORAGE
*THERMOCOUPLES- DATA ACQUISITION SYSTEMS
DESIGN
IBM COMPUTERS
LIQUID WASTES
SPECIFICATIONS