Siemens SITRANS FUS1020, Manual, Page: 117 / 251

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1020NFM-1D Section 5
TERMINOLOGY CHART
This chart provides explanations for uncommon terms used in this manual.
TERM EXPLANATION
Active Memory Section of RAM allocated for active site parameters (all current values).
The flow computer receives site-specific operating instructions from Active
Memory.
Alphanumeric Field An 8-character data entry field that allows you to specify a Site Name or
a Security code.
Arrow Keys Use the <Up, Down, Left and Right> Arrows to navigate through the In-
stallation Menu in their respective directions. The <Up or Down> Arrows
allow you also to scroll through option list items.
Asterisk Refers to the marker used in the Installation Menu to indicate a current
option list selection. When you access an option list, you can move the
asterisk with the <Up or Down> Arrows to a new selection, then press
<Enter> to select the item.
Cursor This refers to the highlighted text and the arrow cursor that you move via
the arrow direction when navigating through menus or menu cells.
Data Entry Refers to data entered into a menu cell (either numeric or option list
selection).
Datalogger Memory Memory segment that stores data items logged during operation. You
can view the Datalogger contents either on-screen or transmit it to an
external device via the RS-232 serial port. The amount of Datalogger
memory depends on how many sites reside in Site Storage memory.
ENTER Key Use the <ENTER> key to store a current numeric value or option list
item.
Flow Computer Refers to the meter itself (system refers to the meter and transducers
combined).
Flow Tube Refers to our in-line (non-wetted) transducer assemblies suite for small
(under 2” lines) and extremely low-flow applications.
Graphic Screen Refers to the integral display screen.
Initial Makeup An internal process performed during installation, where the flow com-
puter acquires its receive signal and enhances other parameters for op-
timal operation at a site.
In-process Makeup An internal process where the flow computer recovers its Initial Makeup
parameters, after a fault condition interrupts operation.
Installation Menu The meter’s overall menu structure. Allows you to define all aspects of
the meter’s operation.
Interface m/s Refers to an alarm function that declares the passage of a liquid inter-
face by a comparison of the relative sonic velocities of the two liquids.
LAPTOT Refers to a system function that freezes the Totalizer display, while the
Totalizer continues to update its registers.
Spacing Offset Fixed transducer offset assigned by the flow computer. This can be over-
ridden by the installer.
Local Display Refers to the 1020’s integral display screen.
Menu Sub-sections of the Installation Menu that you to define specific opera-
tional functions (e.g., RS-232 Setup).
(continued)