Ultrasonic Level Transmitter
ULM84 Series User Manual
Dec.2020
Page 10 of 21
FAHM Co.
Industrial Automation
Doc. ULM84 Rev.99-12
Table 4- ULM84 settings in a glance
Settings Type
Description
Parameter’s No & Name
Basic Menu
Pass
:
01000
Choose Measurement Variable between Level, Distance, Volume and
Mass
P01 (Device Mode)
Define Maximum Liquid Level to Reference Point, with Current
Output of 20 mA
P02 (20 mA Setup)
Choose Display Mode between Level, Graph, Wave, …
P03 (Display Mode)
Define Distance between Transmitter’s Probe to the Reference Point
P04 (Probe Height)
Choose the Speed of Liquid Level between Fast, Normal, Slow and
Very Slow
P05 (Change Rate)
Define Dead Band of Transmitter as Default or based on Possible
Obstacles
P06 (Dead band)
Define Length Unit
P07 (Length Unit)
Define Volume Unit
P08 (Volume Unit)
Define Mass Unit
P09 (Mass Unit)
Define Density Unit
P10 (Density Unit)
Define Density Value
P11 (Density)
Define how the Volume is calculated based on the Level
P12 (Volume Calc. Mode)
Define a Sample Level for the Tank (Relevant to the defined Volume
in next menu)
P13 (Tank Height)
Define a Volume Level for the Tank (Relevant to the defined Level in
previous menu)
P14 (Tank Volume)
Define entries of the Lookup Table
P15 (Length/Volume Table)
Define Liquid Level Value to activate High-High Alarm
P20 (Alarm Limit HI-HI)
Define Liquid Level Value to activate High Alarm
P21 (Alarm Limit HI)
Define Liquid Level Value to activate Low Alarm
P22 (Alarm Limit LO)
Define Liquid Level Value to activate Low-Low Alarm
P23 (Alarm Limit LO-LO)
Define how long the Outputs should stay Active after the Level
returns to Normal Area
P24 (Alarm Buffer)
Advanced
Menu
Pass
:
00101
Define Damping Time
P40 (Damping Time)
Choose Alarm State from High, Low or Keep Last Acceptable Output
P41 (Alarm Output)
Define Alarm Time
P42 (Alarm Time)
Define Threshold as Automatic or as Percent value.
P43 (Threshold)
Define Output Power as Automatic or as Percent value.
P44 (Output Power)
Define number of Transmitted Pulses (Burst) as Automatic or as
Numeric value.
P45 (Burst Number)
Define Gain Range of Bounced Wave from Liquid Level to make it
detectable by the Device
P46 (Gain Range)
Define the Frequency of Transmitted Waves according to the used
Sensor
P47 (Center Frequency)
Define the Speed of the Sound in current Temperature
P48 (Sound Speed)
Define Minimum Liquid Level to Reference Point, with Current
Output of 4 mA
P49 (4 mA Setup)
Define valid distance between the Liquid Level and the Transmitter’s
Probe
P50 (Safety Dist)
Altitude for the sea
P51 (Altitude)
Define Device Address for use in HART protocol
P52 (Comm ID)
To Test the accuracy of the Transmitter’s Output Current
P60 (Sim. Current)
To test the accuracy of the Transmitter’s Current Output according to
different levels
P61 (Sim. Level)
Exit the Current or Level Simulation Mode and return to the Normal
Mode
P62 (Sim. Reset)
Return to factory values
P99 (Reset Factory)