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Hydraulic Safety Pressure Switch on Mine Winder

Hydraulic Safety Pressure Switch on Mine Winder

Application

Industry: Mining & Metal Refining

The Problem


Properly working underground coal mine hydraulics, used to operate the control of the braking system of the winder, is vital when moving mine personnel underground or bringing them to the surface. It is extremely important to ensure that the machine is stopped if low or high pressure is detected on line from the hydraulic pump that operates the winder. With personnel safety involved we can't afford any cable slip. 


Published: March 12, 2018

NCS Remote I/O and Custody Transfer Metering at Steel Mill

NCS Remote I/O and Custody Transfer Metering at Steel Mill
Industry: Mining and Metal Refining

The Problem: In this application the gas company installed a RTU & Instrumentation for billing purposes to meter the gas sold to a large steel mill. The user installed their own Instrumentation at the same location (gas gate) and needs to compare the readings.

Published: February 12, 2018

Explore Moore Industries' Entire White Paper Archive

Explore Moore Industries' Entire  White Paper Archive
Make sure you check out the Technical White Papers section of the Moore Industries website. 
Published: January 15, 2018

Sharing Process Variables: HART Functionality

Problem: When sharing a Process Variable (PV) with single or multiple systems, the connection needs to be thought out carefully especially when considering additional scenarios to this application: HART functionality and Safety Instrumented Systems.

Published: January 9, 2018

Alarm Trip 1-out-of-2 Voting with High Availability

Alarm Trip 1-out-of-2 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
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