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EHELP: Improving Long Term RTD Temperature Measurement Stability

EHELP: Improving Long Term RTD Temperature Measurement Stability
Q: What are some ways to improve the long-term stability of my RTD temperature measurement?
Published: October 18, 2017

EHELP: I need to boost a 4-20mA HART signal...

EHELP: I need to boost a 4-20mA HART signal...

Q. I need to boost a 4-20mA signal to get a Fisher FIELDVIEW DVC6200 digital valve controller to respond to a control signal. What could I use?

Published: October 18, 2017

EHELP: Need a Signal Isolator with Input of 0-5VDC

EHELP: Need a Signal Isolator with Input of 0-5VDC

Q. We are looking for a signal isolator. We need an input of 0-5VDC, output 4-20mA and the unit needs to be output loop powered.  What do you recommend?

Published: September 27, 2017

EHELP: Are the STA and SPA2 process alarm relays configurable as Failsafe?

EHELP: Are the STA and SPA2 process alarm relays configurable as Failsafe?
Q: For the STA 4-Wire SIL 2 and SIL 3 Compliant Programmable Current/Voltage and RTD/Thermocouple Safety Trip Alarms, can the process alarm relays be configured as Failsafe?  Can the process relay output of the SPA2-TRPRG be configured Failsafe?
Published: September 14, 2017

EHELP: 535 Power up Using Remote Setpoint

EHELP: 535 Power up Using Remote Setpoint
Q. When the 535 1/4 DIN Single Loop PID Process Controller loses power with remote setpoint on, it comes back up in local setpoint mode. Is there a way to have the 535 always come back up in remote setpoint mode when power is restored?
Published: September 13, 2017
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