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e-PAQ-9150
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Binary
BCD
BCH
Bit
Bus
Byte
Channel
C & I Point
Code
Computed Value
Control Point
CPU
D/A or DAC
D/A Converter
Data
Data Bus
Deactivated Remote
Engineering Units
Firmware
Flag
26
Section 3 - Glossary
initiated by the operator.
The number system to the base 2. Binary characters are limited to the
digits 0 and 1.
Binary Coded Decimal. The coded representation of a decimal number
that expresses each decimal digit as a combination of binary numbers.
An acronym for Messrs. Bose-Chaudhuri and Hocquenhem, who
developed a class of cyclic codes for maintaining the security of
transmitted binary data.
A single binary digit.
One or more conductors used as a path over which information is
transmitted from and received at several cards or locations.
A group of eight (8) binary digits (or bits) that are processed as a single
unit. This is the minimum memory unit in the QEI system.
A unique communication link between the master station and one or more
remote stations.
Control and Indication Point. Refers to a control point and its associated
status point.
Any set of rules fro representing information. Two of the codes used in the
QUICS protocol are USASCII and hexadecimal.
A measurement value created by performing mathematical operations
upon data from one or more measurement points.
A supervisory point that is capable of responding to an operator's
command (i.e. close relay, open valve, etc.).
Central Processor Unit. The portion of the main processor board where
instructions are executed and calculations are performed.
Digital-to-Analog, such as a D/A converter.
Digital-to Analog Converter. A device that converts a binary or BCD input
to an analog output.
Changeable information, within the system, which represents
A path for the transfer of several data bits in parallel.
An offline remote station that is not polled by the master station. However,
the station remains operational with respect to its data-gathering functions
and ability to respond to commands.
A quantity expressed in operator's terms, such as megawatts, ponds per
square inch, gallons per minute, etc.
Computer instructions that are stored in non-volatile memory and are
retained even when no power is applied to the device.
A single message bit that specifies the condition of a point, hardware
Remote Terminal Unit
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