User Manual

4 Acronyms, abbreviations and definitions
Section 1: Introduction Daniel 3814 Liquid Ultrasonic Meter Installation Manual
March 2015 3-9000-760 Rev E
1.3 Acronyms, abbreviations and definitions
Table 1-1 Acronyms, abbreviations and definitions
Acronym or abbreviation Definition
°degree (angle)
o
C
degrees celsius (temperature unit)
o
F
degrees fahrenheit (temperature unit)
ADC analog-to-digital converter
AI analog input
AMS® Suite Device Manager Asset Management Software - Device Manager
AO analog output
ASCII MODBUS A Modbus protocol message framing format in which ASCII characters are used to
delineate the beginning and end of the frame. ASCII stands for American Standard
Code for Information Interchange.
boolean a type of data point that can only take on values of TRUE or FALSE (generally TRUE is
represented by a value of 1, FALSE is represented by a value of 0)
bps bits per second (baud rate)
cPoise centipoise (viscosity unit)
CPU central processing unit
CTS Clear-to-Send; the RS-232C handshaking signal input to a transmitter indicating that
it is okay to transmit data – i.e., the corresponding receiver is ready to receive data.
Generally, the Request-to-Send (RTS) output from a receiver is input to the Clear-to-
Send (CTS) input of a transmitter.
DAC Digital-to-Analog Converter
Daniel MeterLink Daniel Ultrasonic Meter interface software
DI digital input
DO digital output
DHCP Dynamic Host Configuration Protocol
dm
decimeter (10
-1
meters, length unit)
ECC Error Correction Code
EEPROM Electrically-Erasable, Programmable Read-Only Memory
Flash non-volatile, programmable read-only memory
HART® Communication Protocol Highway Addressable Remote Transducer communications protocol
FODO output that is user configurable as either a frequency or digital output
hr hour (time unit)
Hz hertz (cycles per second, frequency unit)
I/O Input/Output
IS Intrinsically Safe
K kelvin (temperature unit)
kHz
kilohertz (10
3
cycles per second, frequency unit)
LAN Local Area Network
LED light-emitting diode
m meter (length unit)
m
3
/d
cubic meters per day (volumetric flow rate)