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Functional Safety Problem Solver Application Notes from Moore Industries

Functional Safety Problem Solver Application Notes from Moore Industries
When you add a single safety loop, have a few points to isolate or need to augment a larger Safety Instrumented System, Problem Solver application examples can help. They provide an at-a-glance example intended to convey solutions for particular application scenarios. Along with our white papers, this series of Problem Solvers for Functional Safety can be a useful resource for your functional safety project. 

Published: October 1, 2017

Sharing Process Variables: Analog Isolation

When sharing one Process Variable (PV) with multiple systems, the connection needs to be thought out carefully.  Creating a series connection for the 4-20mA signal is not a best practice for sharing the PV. The main problem in creating a series connection is when either the DCS or the PLC input is disconnected, intentionally or by accident, both the DCS and the PLC will lose the PV signal.
Published: August 23, 2017

Temperature Q&A with JR Madden: Easy Thermocouple Replacement

Temperature Q&A with JR Madden: Easy Thermocouple Replacement
Q: Is there a less complicated and economical solution to replace a failed thermocouple than a complete shutdown of a boiler?
Published: August 8, 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

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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