Spirax Sarco UTM20 Series - Setup > Input;Output > Auxiliary Outputs; Auxiliary Output Mode and Parameters

IM-P505-02-US Issue 1
60
UTM20 Series Ultrasonic Transit-time Flowmeters
10.12 Setup > Inputs/Output > Aux Output #1
(or Aux Output #2)
This menu shows only with card installed for AUTODETECT or CARD TYPE is set to AUX OUTPUT
An asterisk (*) indicates the parameter default.
Output #1 Submenus Options/Descriptions
MODE
FLOW DIRECTION
ALARM
DISABLED
FREQUENCY and PULSE TOTAL modes are not available with
AUX OUTPUT card ALARM
PARAMETERS
(Flow Direction Mode)
OUTPUT SOURCE
*FLOW RATE
ENERGY FLOW
DIRECTION
FORWARD ON
*REVERSE ON
For energy meters only:
ENERGY FORWARD
ENERGY REVERSE
Select whether the output is active
when the flow is forward or reverse
When the absolute value of the flow
rate is below the cutoff, the output
will not be active
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