S600 Instruction Manual
Appendix A – Glossary
A
ADC
Analog to Digital Converter. Used to convert analog inputs (AI) to a format the flow
computer can use. Also known as A/D Converter.
Address
A character or group of characters used to identify a particular item (such as a
particular area of memory or a particular computer on a communication link with many
other computers).
AGA
American Gas Association. A professional organization that oversees the AGA3
(orifice), AGA5 (heating value), AGA7 (turbine), AGA8 (compressibility), and AGA11
(ultrasonic) gas flow calculation standards. See http://www.aga.org.
AWG
American Wire Gauge, a system of sizing wiring.
Alphanumeric
Consisting of only the letters A through Z and the numbers 0 through 9.
Analogue
A signal with no defined steps, its value being determined by its size.
ANIN
Analogue input, also known as AI.
ANOUT
Analogue output, also known as AO.
B
Baud
An indicator of the rate of serial data transfer (for example, a baud rate of 10 indicates
10 bits per second).
Binary
Numbers in base 2 (that is, only numbers 0 and 1 are used).
Bit
A binary digit.
Bit Link
A metal bridge that closes an electrical circuit (also known as a jumper). Typically a bit
link consists of a plastic plug that fits over a pair of protruding pins. Placing a bit link
plug over a different set of pins allows you to change a board’s parameters.
Bitswitch
Switches that represent data bits by on or off state.
Buffer
A device inserted between devices to match impedance, equipment speeds, or to
supply additional drive capability.
Bus
One or more conductors used as a path over which information transmits.
Byte
Block of 8 bits, which can define 256 states (0 through 255).
C
Cold Start
A process of starting the FloBoss S600 which copies the configuration file from Flash
memory.
CONFIG 600
software
PC-based software tool used to configure the S600.
Constants
Numbers which only infrequently change.
Control Bus
Bus connections for control signals (such as read/write).
CPU
Central Processing Unit; in the S600, the P152 Central Processing Unit module.
CV
Calorific Value calculated using AGA 5 or ISO6976.
Revised Aug-06 Glossary A-1
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