Link-Belt MG-534 Calibration
A-1
W450160 10/07
Appendix A
glossary of terms
Term
Definition
Abort
Stops data entry into the system before the entry process is finalized.
Alarm
A visual or audible warning signal.
Amplifier
Increases - example: a pressure transducer in the millivolt range is amplified up to ten
volts).
Amplifier gain
The factor used to express the level of amplification.
Analog
A mechanism in which data is represented by continuously variable physical quantities.
Angle sensor
A device that measures the angle of the boom relative to the horizon.
Annular
Relating to, or forming a ring (e.g. the pressure around the rod of a boom hoist cylinder).
Annular gain
The factor used to modify the pressure signal from the rod side of the boom hoist
cylinder based on the difference in areas of the rod and the bore.
Back-up
A copy of data saved in a separate computer chip.
Boom deflection
The change of radius due to the bending of a boom under load.
Boom moment
The turning moment around the boom pivot caused by the moment of the unladen boom.
Bore
The piston side of a boom hoist cylinder.
Calibration
The adjustment of the graduation of sensors.
Capacity chart
A table, supplied by the crane manufacturer, showing the specifications and ratings for
each individual crane.
Center of gravity
The point at which the entire weight of a body may be considered as concentrated, so
that if supported at this point, the body would remain in equilibrium in any position.
Commissioning
Preparing to be put into service.
Configuration
The position of the crane supporting appendages and all lifting elements of a crane.
Cursor
A pointer on a display that indicates where data is to be entered.
Data
Factual information used as a basis for calculation.
Deduct
A reduction in rated capacity for an unused, stowed, or erected attachment.
Deflection
The bending of a boom or the stretching of pendant lines within the elastic limits of the
boom or pendants.
Digital
Operating with numbers shown as digits.
Digital inputs
Computer - usually controlled by external on/off switches.
Direction
The course on which the upper section (superstructure) of a crane rotates.
Duty
A working configuration of a crane usually found in a single column of a capacity chart.
Eeprom
Electrically erasable and programmable “read only” memory (rom).
Elastic
Capable of recovering size or shape after expansion.
Erected attachment
An attachment on the main boom in working (not stowed) position.
Extension sensor
A device that measures the extension of the telescoping sections of a boom.
Fly/jib
An attachment connected by one edge to a crane boom (e.g. A lattice fly, or jib).
Force
Energy exerted, in this case to support the weight of an object.
Geometry
A branch of mathematics addressed to the measurement and relationships of points,
lines, angles, surfaces, and solids.
Graduated
Marked with degrees of measurement.
Summary of Contents for MG-534
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