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STA 1oo2 Voting with High Availability

STA 1oo2 Voting with High Availability
A customer has a Safety Instrumented Function they need to implement with two independent level transmitters (radar), each wired to a separate STA Functional Safety Trip Alarm. The process will trip if either level reaches the set point, for example a 1 out of 2 (1oo2) voting. However, if the alarm trip (STA) detects an input or unit fault. The customer did not want the process to trip. Instead they wanted to take the faulty unit out of service leaving the process running with the one good level and alarm trip. 
Published: November 28, 2017

CPA: PC-Programmable Current/Voltage and RTD/Thermocouple Limit Alarm Trips

CPA: PC-Programmable Current/Voltage and RTD/Thermocouple Limit Alarm Trips
PC-Programmable Current/Voltage and RTD/Thermocouple Limit Alarm Trips
Published: August 3, 2017

SPA2 Now Available With New Alarms And Software

SPA2 Now Available With New Alarms And Software

The SPA2 now offers versatile new alarm options that allow the user to set up more specific alarm functions.

Published: June 6, 2017

A Reason to Demand Moore Reliability: TCA Thermocouple Alarm With 36 Years Continuous Service

A Reason to Demand Moore Reliability: TCA Thermocouple Alarm With 36 Years Continuous Service

Moore Industries' Director, Sales Support Matt Moren received an inquiry from a customer regarding a replacement for an Alarm Trip. The customer is a world-leading multi-billion dollar industrial gases company that has been in operation for over 75 years focusing on the industrial gases business providing atmospheric and process gases as well as related equipment for manufacturing markets including refining and petrochemical, metals, and electronics among other businesses.

Published: April 17, 2017

EHELP: How do I account for the linearization function representing the volume measurement in a cone-shaped bottom tank at various levels?

EHELP: How do I account for the linearization function representing the volume measurement in a cone-shaped bottom tank at various levels?

Q.  We want to use a SPD Field-Mount Programmable Loop Display with a radar transmitter mounted on the top of a cone-shaped bottom tank that outputs 4-20mA signal, and we would like to know how to account for the linearization function representing the volume measurement in the tank at various levels?

Published: April 12, 2017
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