Emerson Rosemount 975 - Aim the Detector; Change Default Detector Settings

We recommend positioning the detector tilted down at a 45° angle to maximize coverage
and prevent accumulation of dust and dirt.
Do not begin installation until all conceivable considerations regarding detection location
have been taken into account.
2.8 Changing default detector settings
The Main settings that can be modified using the Modbus
®
Manager or HART
®
communication include:
• Built-in test (BIT)
• Detection options
• Lock option
• 4-20 mA settings
• Modbus Manager settings
• Sensitivity
• Response time
• Heated optics functionality
• Alarm delay
• Accessory relay options
• Alarm latch
• Field of view integrity indication
Refer to the Rosemount 975 Flame Detectors Modbus Manager Manual or the Rosemount 975
Flame Detectors HART Manual for instructions on changing these settings.
Manual Installation
00809-1400-4975 September2023
Rosemount 975 23