Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 13)

Preface B
Using This Manual
Using-3
Throughout this manual, we abbreviate some terms. The terms and
abbreviations listed in this table are specific to this product.
For a complete listing of Allen-Bradley terminology, refer to the
Allen-Bradley Industrial Automation Glossary, (AG-7.1).
Term/Abbreviation Definition
ASCII port port used to connect to foreign devices. You can configure either
PRT1 or PRT2 to be an ASCII port
BASIC the BASIC-52 programming language
BASIC module BASIC Module (catalog number 1771-DB, Series B)
BTR buffer Block Transfer Read buffer
BTW buffer Block Transfer Write buffer
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
CIF Common Interface File
DF1 protocol use this protocol to communicate with a node. You can configure
PRT2 for DF1 protocol
dimensioned
variable a variable that includes an expression
DH-485 network communication protocol
EPROM Erasable Programmable Read Only Memory
EEPROM Electrically Erasable Programmable Read Only Memory
input buffer BASIC module input buffer (includes BTR buffer). Ports PRT1 and
PRT2 also have an input (receive) buffer.
memory module BASIC module EPROM (read only), UVPROM (read only), EEPROM,
MTOP system control value that holds the last valid memory address
network port port used to connect to a DH-485 network. You can configure the
DH485 port to be a network port
PBASE BASIC Development Software (catalog number 1747-PBASE)
PLC Programmable Logic Controller
program port port used to program the BASIC module. You can configure either
port PRT1 or port DH485 of the BASIC module as the program port.
output buffer BASIC module output buffer (includes BTW buffer). Ports PRT1 and
PRT2 also have an output (transmit) buffer.
RS-232/423 serial communication interface
RS-422 differential communication interface
RS-485 network communication interface
RAM Random Access Memory
ROM Read Only Memory, refers to the optional memory module memory
space (EEPROM or UVPROM)
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 (A UVPROM
is a type of EPROM.)
Terms and Abbreviations