Appendix.10 Glossary - Mitsubishi Electric Fatec GOT2000 Series Basic Training Textbook

Appendix.10 Glossary

This glossary explains the terms used in this document.
A
Access key
A key used instead of selecting menu items for GT Designer3 or other applications.
The underlined letter in a menu item shows its access key.
Address
A position in memory.
The PLC has various devices, including data registers (D) and internal memory (M). The
positions in these memories are called addresses.
Addresses are expressed in decimal or hexadecimal format.
Hexadecimal format: X, Y, B, W
Decimal format: All addresses other than the above
Alignment
The figures and objects in the selected area are aligned with the specified method.
Besides up/down/left/right and center, there is also top-justified or left-justified alignment.
With top-justified alignment, all the figures including the most upper left and the most right bottom figures in the
alignment area are justified. This is useful for uniform-interval layout of numbers in tables and other objects.
Attribute (change)
The polyline/fill pattern/text status are called attributes. Changing the status of an attribute is called attribute
change.
· Polyline: Line style/line width/color
· Pattern: Line style/color
· Text: Font, vertical magnification ratio/horizontal magnification ratio/direction/style/background color/color
B
Backlight
This is a fluorescent lamp that shines light from the rear of an LCD in order to display with the LCD.
Base screen
The screen displayed over the entire GOT display area.
Bit device
Located in the PLC device, and transmits information with one bit.
In a GOT, each bit of a word device can be used as a bit device.
Bit map (BMP)
This is a file format for storing pixel images and is indicated with the extension (.BMP).
In a GOT, bit maps can be used as figure or part data.
BMP files can be output with image scanners or commercially available graphics software.
Blink
Makes the display go on and off repeatedly and cyclically.
BootOS
The BootOS is used to activate the GOT.
It is installed on the GOT by factory default.
Buffer memory (G)
Memory unique to PLC special function module it can be read and written directly from a GOT.
App - 60