Rockwell-automation 1747-PBASE BASIC Development Software Programming Manuel d'utilisateur Page 12

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Publication 1746-PM001A-US-P
P-4
Terms and Abbreviations
The following terms and abbreviations are specific to this product. For a complete
listing of Allen-Bradley terminology, refer to the Allen-Bradley Industrial
Automation Glossary, publication number ICCG-7.1.
A-Stack error — occurs when too many expressions are PUSHed onto the
argument stack or when you attempt to POP data that does not exist
BASIC development language enhanced BASIC language that comes with
the BASIC Development Software (catalog number 1747-PBASE) and
provides programming support for the BASIC and BASIC-T modules.
DH485 network communication protocol
dialog box — a box that appears on the screen of the BASIC Development
Software displaying available options for a selected menu item
EMS refers to the expanded memory that may be installed on your personal
computer. The BASIC Development Software uses expanded memory not
extended memory.
EPROM Erasable Programmable Read Only Memory
file — a BASIC program file
filename extension — the characters to the right of the filename and period.
Hypertext help — a context-sensitive help system that allows access to help
from practically any point in the BASIC Development Software.
keystroke macros — a recorded series of keystrokes invoked by one keystroke
to reduce the number of keystrokes needed to perform a function
memory module — BASIC or BASIC-T modules EEPROM or UVPROM
MTOP system control value that holds the last valid memory address
program port — the port used to program the module. Either PRT1 or port
DH485 can be used as the program port.
programming macros — commands available through the BASIC
Development Software designed to streamline programming
QuickStroke — refers to a key or pair of keys that are pressed rapidly to
perform a function or access a menu. These keys are shown within braces
[],
for example,
[Alt-F10].
RAM — Random Access Memory
ROM — Read Only Memory, refers to the optional memory module memory
space (EEPROM or UVPROM)
RS-232/423 serial communication interface
RS-422 differential communication interface
RS-485 network communication interface
SLC 500 SLC 500 fixed and modular controller
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