Emerson Rosemount 975 Reference Manual page 22

Flame detectors

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Operation

June 2021

A. Detector configurable settings

B. BIT settings

C. Accessory relay options

D. Detection options

E. Lock option

F. 4-20 settings

G. Click to save any changes made, becomes clickable once any settings are changed

Note

Any unavailable options will be grayed out depending on specific detector model

connected.

3.9.1

Detector configurables

These detector parameters may be configured.

Sensitivity

Heater mode

Alarm delay

Heater power

Sets the detector's sensitivity (in meters). A higher number

indicates greater sensitivity. See relevant product manual for

more information.

Demister settings for clearing condensation from the lens.

Choose from On, Off, or Auto.

Default: Auto

The delay between detection of a signal and activation of the

alarm. Choose from 0, 3, 5, 10, 20, 30, or A (anti-flare).

Default: A

Choose from high or low power.

Default: High power

Reference Manual

00809-1500-4975

Emerson.com

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