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2 Definitions, acronyms, abbreviations
Section 1: Introduction Reference, Installation, and Operations Manual
June 2013 3-9000-743 Rev S
1.2 Definitions, acronyms, abbreviations
The following terms, acronyms, and abbreviations are used in this document:
Table 1-1 Gas Ultrasonic Meter 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
AGA American Gas Association
AI analog input
AMS™ Suite Asset Management Software
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)
Btu British thermal unit (heat unit)
cfh cubic feet per hour
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 CUI Daniel Customer Ultrasonic Interface
Daniel MeterLink Daniel software application for ultrasonic flow meters
DI digital input
DO digital output
Daniel MeterLink Daniel Customer User Interface
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