Emerson Rosemount 5300 Series - Page 226

Procedure
1. Select Setup → Advanced.
2. Select the Near Zone tab.
3. Select Trim Near Zone and follow the on-screen instructions.
4. When near zone trimming is complete, restart the device.
a) Select Tools → Restart Device.
Perform trim near zone using AMS or a handheld communicator
The Trim Near Zone function is used to fine tune performance in the area close to the tank
top (Near Zone).
Prerequisites
Before performing the Trim Near Zone, ensure that:
• There is product in the tank.
• The product level is below the Near Zone region (0-3.3 ft (0-1 m) below the Upper
Reference Point).
• The ambient temperature is within 104 °F (40 °C) of the expected ambient operating
temperature.
Note
The Trim Near Zone function should only be used for reducing impact from stationary
disturbances. It is not suitable for occasional disturbances.
Note
For firmware version 2.A2 or later the Trim Near Zone is not possible in combination with
narrow nozzles, as defined below:
• 50 mm < Nozzle height < 300 mm
• Nozzle diameter < 2 in. for all single probes (except 13 mm single rigid)
• Nozzle diameter < 3 in. for 13 mm single rigid
Note
Trim Near Zone is not available for large coaxial probes.
Procedure
1. HART
®
: Select Overview → Echo Tuning.
FOUNDATION
™
Fieldbus: Configure → Manual Setup → Avanced.
2. Select Near Zone → Trim Near Zone and follow the instructions.
3. When near zone trimming is complete, restart the device.
a) HART: Select Service Tools → Maintenance.
FOUNDATION Fieldbus: Select Service Tools → Maintenance → Reset/Restart.
b) Select Restart Device.
Service and troubleshooting Reference Manual
April 2019 00809-0100-4530
226 Rosemount 5300 Level Transmitter