Rockwell Automation 1746-BAS BASIC LANGUAGE - Manual (Page 12)

Publication 1746-RM001A-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.
•
Module

SLC 500 BASIC and BASIC-T Modules (catalog numbers
1746-BAS and 1746-BAS-T)
•
BASIC development software

BASIC Development Software (catalog
number 1747-PBASE)
•
BASIC —the BASIC-52 programming language
•
console device — the device connected to the BASIC module program port.
This device is used as an interface between the user and the BASIC program.
•
DH485

network communication protocol
•
EPROM

Erasable Programmable Read Only Memory
•
EEPROM — Electrically Erasable Programmable Read Only Memory
•
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.
•
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
•
SCADA — Supervisory Control and Data Acquisition
•
scalar variable — a variable with a single value
•
SLC 500

SLC 500 fixed and modular controller
•
UVPROM — Ultra Violet Erasable Programmable Read Only Memory
Conventions Used in this
Manual The following conventions are used throughout this manual:
•
Bulleted lists such as this one provide information, not procedural steps.
•
Numbered lists provide sequential steps or hierarchical information.
•
Italic type is used for emphasis.
•
Text in this font indicates words or phrases you should type.
•
Key names match the names shown and appear in bold, capital letters within
brackets (for example,
[ENTER] ).