Liquid Controls IT375 - Manual (Page 16)

Sponsler, Inc. Model IT375 Example Pg. 16
5. EXAMPLE
A typical 2 inch liquid flowmeter has an operating range of 15 – 225 gpm and produces 148.914 pulses per gallon with a
maximum output frequency of 563Hz. 3 points of linearization is required. The flow rate is displayed in gallons/min
with 1 decimal point and the total in liters with no decimals. A 4-20mA output is installed and 4mA is to represent 15
gallons/min and 20mA is to represent 225 gallons/min The instrument is then programmed as follows:
Calibration mode is entered by removing the lower cover strip (ie. the dark grey strip along the bottom of the enclosure)
and reversing it’s left right orientation.
The following values are then entered:
Step
Value of
Parameter Description
CAL00 0 No Pulse Output
CAL01 000148 Kfactor (whole numbers)
CAL02 914 Kfactor (decimals)
CAL03 0.25 Cutoff Frequency
CAL04 1 Rate decimal position
CAL05 1 Timebase
CAL06 01 Filter disabled
CAL07 0 Total decimal position
CAL08 000000 Total Conversion (whole numbers)
CAL09 264201 Total Conversion (decimals) (1/3.785)
CAL10 000015 Low Alarm (whole numbers)
CAL11 0000 Low Alarm (decimals)
CAL12 000225 High Alarm (whole numbers)
CAL13 000 High Alarm (decimals)
CAL14 000015 4mA Output (whole numbers)
CAL15 0000 4mA Output (decimals)
CAL16 000225 20mA Output (whole numbers)
CAL17 000 20mA Output (decimals)
CAL18 3 3 point linearization
INP 01 000037 Point #01 frequency (whole numbers)
INP.01 0746 Point #01 frequency (decimals)
OUT 01 000148 Point #01 Kfactor (whole numbers)
OUT.01 085 Point #01 Kfactor (decimals)
INP 02 000268 Point #02 frequency (whole numbers)
INP.02 338 Point #02 frequency (decimals)
OUT 02 000148 Point #02 Kfactor (whole numbers)
OUT.02 073 Point #02 Kfactor (decimals)
INP 03 000563 Point #03 frequency (whole numbers)
INP.03 061 Point #03 frequency (decimals)
OUT 03 000148 Point #03 Kfactor (whole numbers)
OUT.03 080 Point #03 Kfactor (decimals)
SOFT 202d3.2L Software Version