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Reliability Success Story: PTT Upgrade

Reliability Success Story: PTT Upgrade
The PTT, Potentiometer Transmitter, was in use at a large dam on a branch of the Colorado river as part of a system to deliver water and power via one of the largest public power utilities for consumers and businesses in the southwest since 1984. The facility has many PTTs in use today. 
Published: December 13, 2017

Sharing Process Variables: Quad Isolator

Sharing Process Variables: Quad Isolator

Problem: When sharing a Process Variable (PV) with multiple systems, the connection needs to be thought out carefully. Sending a signal go to more than one PLC needs to be well thought out just as carefully.

Published: November 7, 2017

Temperature Q&A With JR Madden: Explosion-Proof Temperature Measurement

Temperature Q&A With JR Madden: Explosion-Proof Temperature Measurement
One of our customers uses ethylene for its process feed and has installed a new ethylene
terminal with an 18m3 storage tank.
Published: January 19, 2017

Product of the Month: STA Functional Safety Trip Alarm

Product of the Month: STA Functional Safety Trip Alarm
Risk reduction, reliability, and safety are important factors in the automated control of potentially hazardous processes such as the overpressure and containment of dangerous substances. Process Industry personnel are always aware of the need to protect people, the environment, and facilities as part of their overall risk management plan. A central strategy employed today includes safety instrumented functions (SIF), or functional safety, utilizing IEC 61511 standards. A crucial instrument in a safety instrumented system is the logic solver, which acts as a decision maker initiating the final action to make the process safe should the need arise.
Published: January 19, 2017

SPA2IS Controls and Monitors Wet Wells

Wastewater Treatment Application

SPA2IS Controls and Monitors Wet Wells
Municipalities often have several wet well locations around a city that pump waste from low lying areas up to main sewage veins that feed waste treatment plants.  Level instruments monitor the wet well level and controllers then engage the grinder pumps.  Since wet wells contain waste, volatile gasses such as methane require that these level instruments be rated for use in Class I, Div 1 environments.
Published: January 9, 2017
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