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Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual Section 1: Introduction
3-9000-765 Rev D March 2013
Acronyms, abbreviations and definitions 3
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® 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
de
lineate 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 v
alues 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
TM
Daniel ultrasonic meter interface software
DI digital input
Direct Mount Transmitter electronics enclosure and bas
e electronics enclosure is directly
mounted to meter body
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