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EHELP: STA Analog Output Protection

EHELP: STA Analog Output Protection
Q:  In specifying the Moore STA / HLPRG / 3PRG / U / -AO [DIN] our end user has a concern about electrical protection for the analog output. The desire is to use 4-20mA Output Loop Voltage sourced by DCS for the AO; however, this voltage may fault at up to 132 VAC. Should our design add fuse protection in the external voltage circuit upstream of the STA to protect it from these surges? Or does the STA include features that protect it from these faults?
Published: October 4, 2016

Burner Management System Signal Splitter Application for a Pulp and Paper Mill

Pulp and Paper Industry

Burner Management System Signal Splitter Application for a Pulp and Paper Mill

A pulp and paper mill had a black liquor BMS (Burner Management System) that per NFPA 85 requires that its safety logic system be totally independent from other logic systems.  The challenge was they required that key temperature and pressure signals also get monitored and recorded by their BPCS (Basic Process Control System). Learn how Moore Industries solved this problem.

Published: September 28, 2016

EHELP: What is the 2 in IPT2

EHELP: What is the 2 in IPT2

Q:  A field tech told me he installed an IPT2/4-20MA/3-15PSIG/20PSIG/-FA1 [DIN] unit.  In the product bulletin I don't see a purpose for the trailing "2" in the model name, and I don't see an explanation for -FA1.

Published: September 20, 2016

Temperature Q&A With JR Madden: Isolated Measuring Circuit and Ungrounded Thermocouple

Temperature Q&A With JR Madden: Isolated Measuring Circuit and Ungrounded Thermocouple
Q: Why Do I Need to Use an Isolated Measuring Circuit When Using and Ungrounded Thermocouple?
Published: September 14, 2016

EHELP: SPA Power Consumption

EHELP: SPA Power Consumption

Q:  We are considering ordering the Moore Industries SPA/0-100mV/2 PRG/U/-SOL [DIN]. Can we power it using 24VDC? If so, what is the power consumption and how do we terminate? Also, can you please confirm whether this unit is Class 1 Div2, group A,B,C,D?

Published: September 13, 2016
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