
IM-P505-02-US
Issue 1
59
UTM20 Series Ultrasonic Transit-time Flowmeters
Output #1 Submenus Options/Descriptions
PARAMETERS
(Alarm Mode)
ALARM
*ERRORS ONLY
HIGH FLOW
LOW FLOW HI/
LO FLOW
For energy
meters only:
HIGH ENERGY
LOW ENERGY
HI/LO ENERGY
HIGH TEMP1
HIGH TEMP2
LOW TEMP1
LOW TEMP2
Select the flow condition or meter condition to
trigger the alarm and turn on the output
SET HIGH
Numeric entry
Units and
decimal place
based on FLOW
RATE selected
Negative
numbers
accepted Default
is 10000
Enter the value that the flow rate must be
greater than in order to trigger an alarm SET
HIGH is only visible/settable when ALARM is
set to HIGH FLOW, OUT OF RANGE or ALL
SET LOW
Numeric entry
Units and
decimal place
based on FLOW
RATE selected
Negative
numbers
accepted Default
is 0
Enter the value that the flow rate must be less
than in order to trigger an alarm SET LOW is
only visible/settable when ALARM is set to
LOW FLOW, OUT OF RANGE or ALL
LATCHING
*DISABLED
ENABLED
When ENABLED, the output remains on after
the alarm condition clears Resetting alarm
latch turns off the output
ANTI-
CHATTER
SET DELAY
Enter how long the alarm condition must
occur before activating the output to
prevent nuisance trips Numeric entry Units:
Milliseconds Default is 100 ms
HYSTERESIS
Enter how long the alarm condition is cleared
before resetting the output to prevent the
output from chattering The parameter is only
valid if LATCHING is DISABLED Numeric entry
Default is 100 ms
MIN ON-TIME
Numeric entry Units: Milliseconds
Default is 200 ms
PULL UP RESISTOR
INTERNAL
*EXTERNAL
See “Digital Outputs Wiring” on page 34