Emerson Rosemount 1408H, Reference Manual, Page: 66 / 98

Table 7-1: Echo Peak Types
Type Description
Surface Echo tracked as the current surface echo
Unknown Echo identified as unknown (can be a surface candidate)
Suppressed Echoes that are identified but suppressed by the device
Tank bottom echo Echo considered as an echo from the tank bottom
7.5.2 Perform a device reset
The function is used to reset/restart the electronics without re-cycling the power.
Procedure
1. Under Menu , select
Parameter
→
Service Tools
→
Maintenance
.
2. Select Device Reset .
7.5.3 Restore to factory settings
This function restores the transmitter to factory settings (user configuration is
overwritten).
Procedure
1. Under Menu , select Parameter
→
Service Tools
→
Maintenance .
2. Select
Restore Factory Settings
.
7.5.4 Use the simulation mode
It is possible to set the level to a simulated value for testing purposes. The simulated value
affects both digital and analog output.
Procedure
1. Under Menu , select
Parameter
→
Service Tools
→
Simulation
.
2. In the Simulated Level box, enter the desired value.
3. Select Write to device .
4. Select Start simulation (60 min) .
7.5.5 Calibrate analog out
Use this function to calibrate the analog output by comparing the actual output current
with the nominal 4 mA and 20 mA currents. Calibration is done at factory and the analog
output does not normally need to be recalibrated.
Prerequisites
Connect a calibrated ampere meter to the analog output loop.
Service and troubleshooting Reference Manual
September 2020 00809-0100-4480
66 Rosemount 1408H Level Transmitter