Varec 4000 Network Card User Manual


 
Tank Gauge Transmitter
64 Installation and Operations Manual
DBAND
Deadband.
ft-in-16
Feet-inches-1/16 of an inch. Imperial fractional measurement.
oF
Fahrenheit. A unit of measure for temperature readings. 0
o
C = 32
o
F. A temperature of 32
o
F is the freezing point of
water, 212
o
F is the boiling point of water.
Host
A tank data acquisition system responsible for collecting and processing information from a number of subordinate
devices.
IEEE
Institute of Electrical and Electronic Engineers. A trade organization that provides publications, educational
information, and standards that are widely used.
IEEE 754
A floating point data format.
oK
Kelvin. A unit of measure for temperature readings typically applied to the measurement of liquefied gases. 0
o
C =
273.16
o
K. The freezing point of water is 273.16 oK, the boiling point is 373.16 oK.
Level Dband
Level Deadband. The band that a level alarm must clear before the alarm is reset.
Level
Level of product in a tank.
Manual Temp
A product temperature specified and entered by the user instead of being obtained from a sensor.
MHz
Megahertz, also called megacycles. One million electronic cycles per second, a unit of electronic frequency.
Parity
A setup parameter used with serial data communications.
RTD
Resistive Temperature Device. A metal probe used to measure temperature.
Serial Ports
A hardware interface used for serial data communications.
Stop Bits
A setup parameter for serial data communication.
Temp Dband
Temperature Deadband. The band that a temperature alarm must clear before the alarm is reset.
Temp
Temperature.