Document Outline

• 1771-6.5.34, 1771–DB Basic Module, User Manual
  • Table of Contents
  • 1 - Using This Manual
    • Chapter Objectives
    • What this manual contains
    • Audience
    • Definitions of major terms
    • Important information
    • Conventions
  • 2 - Introducing the BASIC Module
    • Chapter Objectives
    • General Features
    • Hardware Features
    • Software Features
    • Specifications
  • 3 - Installing the BASIC Module
    • Chapter Objectives
    • Installing the BASIC module
    • Power Requirements
    • Module Location in the I/O Chassis
    • Module Keying
    • Configuration Plugs
    • Module Installation
    • Initial Start-up Procedure
    • Module Status LED’s
    • Installing the User Prom
    • Electrostatic Discharge
    • Battery
  • 4 - Using the Serial Ports
    • Chapter Objectives
    • Using the BASIC Module Program and Peripheral Communication Ports
    • Pin Descriptions
    • Program Port
    • Using the XOFF/XON Commands for the Program Port
    • Connecting a T3/T4 Industrial Terminal to the Program Port
    • Connecting a T30 Industrial Terminal (Cat. No. 1784-T30) to the Program Port
    • Connecting a T50 Industrial Terminal (Cat. No. 1784-T50) to the Program Port
    • Peripheral Port
    • Using the XON/XOFF Commands for the Peripheral Port
    • Connecting A T30 Industrial Terminal (1784-T30) to the Peripheral Port
    • Connecting a 1770-SA/SB Recorder to the Peripheral Port
    • Connecting a 1770-HC Printer to the Peripheral Port
    • Connecting RS-422 Devices
    • Cable Assembly Parts
  • 5 - Operating Functions
    • Chapter Objectives
    • Definition of Terms
    • Commands
    • Statements
    • Format Statements
    • Data Format
    • Integers
    • Constants
    • Operators
    • Variables
    • Expressions
    • Relational Expressions
    • System Control Values
    • Argument Stack
    • Control Stack
    • Description of Commands
    • Command: RUN
    • Command: CONT
    • Command: LIST
    • Command: LIST# or LIST®
    • Command: NEW
    • Command: NULL [integer]
    • Command: Control C
    • Command: Control S
    • Command: Control Q
    • Overview of EPROM File Commands
    • Commands: RAM and ROM [integer]
    • Command: XFER
    • Command: PROG
    • Command: PROG1
    • Command: PROG2
    • Description of Statements
    • Statement: CALL [integer]
    • Statement: CLEAR
    • Statement: CLEARI (clear interrupts)
    • Statement: CLEARS
    • Statements: CLOCK1 and CLOCK0
    • Statements: DATA – READ – RESTORE
    • Statement: DIM
    • Statements: DO – UNTIL [rel expr]
    • Statements: DO – WHILE [rel expr]
    • Statement: END
    • Statements: FOR – TO – (STEP) – NEXT
    • Statements: GOSUB [ln num] – RETURN
    • Statement: GOTO [ln num]
    • Statements: ON [expr] GOTO [ln num], [ln num],...[ ln num], ON [expr] GOSUB[ ln num], [ln num],...[ ln num]
    • Statements: IF – THEN – ELSE
    • Statement: INPUT
    • Statement: LD@ [expr]
    • Statement: LET
    • Statement: ONERR [ln num)
    • Statement: ONTIME [expr],[ ln num]
    • Statement: PRINT or P.
    • Special Print Formatting Statements
    • Statement: PRINT# or P.#
    • Statements: PH0., PH1., PH0.#, PH1.#
    • Statement: PUSH[expr]
    • Statement: POP[var]
    • Statement: REM
    • Statement: RETI
    • Statement: ST@ [expr]
    • Statement: STOP
    • Statement: STRING
    • Description of Arithmetic, and Logical Operators and Expressions
    • Dual Operand (dyadic) Operators
    • Unary Operators
    • Understanding Precedence of Operators
    • How Relational Expressions Work
    • Special Operators
    • Special Function Operators
    • System Control Values
    • Data Transfer Support Routines
    • Update Block-Transfer-Read Buffer (timed) – CALL 2
    • Update Block-Transfer-Write Buffer (timed) – CALL 3
    • Set Block-Transfer-Write Length – CALL 4
    • Set Block-Transfer-Read Length – CALL 5
    • Update Block-Transfer-Write Buffer – CALL 6
    • Update Block-Transfer-Read Buffer – CALL 7
    • Disable Interrupts – CALL 8
    • Enable Interrupts – CALL 9
    • Input Call Conversion Routines
    • Output Call Conversion Routines
    • Peripheral Port Support
    • Peripheral Port Support – Parameter Set – CALL 30
    • Peripheral Port Support – Display Peripheral Port Parameters –CALL 31
    • Save Program to Data Recorder – CALL 32
    • Verify Program with Data Recorder – CALL 33
    • Load Program from Data Recorder – CALL 34
    • Get Numeric Input Character from Peripheral Port – CALL 35
    • Get the Number of Characters in the Peripheral Port Buffers – CALL 36
    • Clear the Peripheral Ports Input or Output Buffer – CALL 37
    • Save Labeled Program to Data Recorder (1770- SB only) – CALL 38
    • Load Labeled Program from Data Recorder (1770- SB only) – CALL 39
    • Print the Peripheral Port Output Buffer and Pointer – CALL 110
    • Print the Peripheral Port Input Buffer and Pointer – CALL 111
    • Reset the Peripheral Port to Default Settings – CALL 119
    • Wall Clock Support Calls
    • Setting the Wall Clock Time (Hour, Minute, Second) – CALL 40
    • Setting the Wall Clock Date (Day, Month, Year) – CALL 41
    • Set Wall Clock – Day of Week – CALL 42
    • Date/Time Retrieve String – CALL 43
    • Date Retrieve Numeric (Day, Month, Year) – CALL 44 (2)
    • Time Retrieve String – CALL 45
    • Time Retrieve Number – Call 46
    • Retrieve Day of Week String – CALL 47
    • Retrieve Day of Week Numeric – CALL 48
    • Date Retrieve String – CALL 52
    • Description of String Operators
    • The ASC Operator
    • The CHR Operator
    • String Support Calls
    • Memory Support Calls
    • ROM to RAM Program Transfer – CALL 70
    • ROM/ RAM to ROM Program Transfer – CALL 71
    • RAM/ ROM Return – CALL 72
    • Battery-backed RAM Disable – CALL 73
    • Battery-backed RAM Enable – CALL 74
    • Protected Variable Storage – CALL 77
    • Miscellaneous Calls
    • Program Port Baud Rate – CALL 78
    • Blink the Active LED by Default – CALL 79
    • Check Battery Condition – CALL 80
    • User PROM Check and Description – CALL 81
    • Reset Print Head Pointer – CALL 99
    • Print the Argument Stack – CALL 109
    • Print the Peripheral Port Output Buffer and Pointer – CALL 110
    • Print the Peripheral Port Input Buffer and Pointer – CALL 111
    • Reset the Peripheral Port to Default Settings – CALL 119
  • 6 - Programming
    • Chapter Objectives
    • Block-Transfer with the BASIC Module
    • Block-Transfer-Write and Block-Transfer- Read Buffers
    • Block-Transfer with PLC-2 Family Processors
    • PLC-2 Processor Program
    • PLC-3 Family Processors
    • Rung Description for Sample PLC-3 Family Ladder Logic – Single Data Set
    • PLC-5 Family Processors
    • Rung Description for Sample PLC-5 Family Ladder Logic
    • Block-Transfer Programming Tips
  • 7 - Data Types
    • Chapter Objectives
    • Output Data Types
    • 16- bit Binary (4 Hex Digits)
    • 3- digit, Signed, Fixed Decimal BCD
    • 4- digit, Unsigned, Fixed Decimal BCD
    • 4- digit, Signed, Octal
    • 6- digit, Signed, Fixed Decimal BCD
    • 3.3- digit, Signed, Fixed Decimal BCD
    • Input Data Types
  • 8 - Editing A Procedure
    • Chapter Objectives
    • Entering the Edit Mode
    • Editing Commands/Features
    • Move
    • Replace
    • Insert
    • Delete
    • Retype
    • Exits
    • Renumber
    • Editing a Simple Procedure
  • 9 - Error Messages and Anomalies
    • Chapter Objectives
    • Error Messages from BASIC
    • Error Messages from CALL Routines
    • Data Conversion CALL Error Messages
    • Peripheral Port Support CALL Error Messages
    • Wall Clock CALL Error Messages
    • String Support CALL Error Messages
    • Memory Support CALL Error Messages
    • Miscellaneous CALL Error Messages
    • Anomalies
  • A - Quick Reference Guide
  • B - Decimal/Hexadecimal/Octal/ASCII Conversion Table
  • C - Basic Module Programming Hints
    • BASIC Module Programming Hints
  • Back Cover