Document Outline

• 2708-800, Attended Workstations User Manual
• Important User Information
• Table of Contents
• 1 - Introduction
  • Chapter Objectives
  • Catalog Numbers
  • Accessory Items
  • Related Publications
  • Safety Information
• 2 - Installing a Network
  • Chapter Objectives
  • Simple Network
    • Power Requirements
    • The RS-485 Network Bus
    • The Network Connector (Catalog No. 2708-NNC)
    • Cabling a Network Using the Network Connector
  • Step By Step Installation
    • The Terminator Switch
  • Testing the Network for Data Transmission
  • Communication to the Host Computer
  • Complex Network
    • Description of Large or Complex Network
    • Alternate Communication Links
    • Networks Over Telecommunications Lines
• 3 - Barcode Connection
  • Chapter Objectives
    • Connection
• 4 - Status Displays
  • Introduction
  • Summary Status Display (Status Display 0)
  • Network Status (Status Display 1)
  • Reserved Status (Status Display 2)
  • Time Status (Status Display 3)
  • System Reset Status (Status Display 4)
  • Network Queue Status (Status Display 5)
  • Workstation Memory Status (Status Display 6)
  • Program Load Status (Status Display 7)
  • Program Run Status (Status Display 8)
  • Application Status (Status Display 9)
• 5 - Configuration Menus
  • Introduction
  • Using Menus via Workstation Keypad
    • Sub-Menus
    • Exiting Network Menu
  • Using Menus from the Comm Port
  • Menu 1: Network Menu Parameters
  • Menu 2: Comm Port Manu Parameters
  • Menu 3: System Menu Parameters
  • Menu 4: Bar Code Menu Parameters
  • Menu 5: Read Only Menu
  • Menu 6: Diagnostics Menu Parameters
    • 1–Keypad/Laser Test
    • 2–Display Test
    • 3–Destructive RAM Test
    • 4–Continuous RAM Test
    • 5–Comm Transmit Test
    • 6–Comm Receive Test
    • 7–Comm Loop Test
    • 8–Aux Comm Transmit Test
    • 9–Aux Comm Receive Test
    • A–Aux Comm Loopback Test
    • B–RS485 Block Receive
    • C–RS485 Block Transmit
    • D–RS232 Block Receive
    • E–RS232 Block Transmit
    • F–Lamp Test
    • G–Reset Powerup
    • H–Reset Unit to Factory Defaults
• 6 - Operating Procedures
  • Chapter Objectives
  • Verifying Proper Network Operation
  • Removing a Master
  • Instituting a New Workstation as Master
  • Removing a Workstation from the Network
  • Adding a Workstation to the Network
  • Network Problems
  • Workstation Status
• 7 - Network Design
  • Networks of 32 Workstations or Less
  • Network Installation of More than 32 Workstations
  • Fault-Tolerant Networks
  • Extending Networks Over Phone Lines
• 8 - Host Communications
  • Network Status Records
  • Using Retry Counts for Network Diagnosis
  • Responses to Network Directives
  • Network Directives
• 9 - What is BASIC?
  • Introduction
  • What is Visual BASIC ?
  • What is A-B VBASIC?
• 10 - Developing and Running an A-B VBASIC Program
  • The A-B VBASIC Development Procedure
  • Loading and Auto-Starting an A-B VBASIC Program
  • Start-up Condition of an A-B VBASOC Program
  • Termination of an A-B VBASIC Program
  • A-B VBASIC Run-TIme Errors
  • Power Failure
• 11 - The A-B VBASIC CROSS-COMPILER (LXB)
  • Overview
  • Invoking the Compiler
    • A – Source File Specification
    • B – Downloaded Executable File
    • C – Listing File
    • D – Secondary Download File
• 12 - Special Devices in A-B VBASIC
  • Introduction
  • Device: LCD Display
  • Device: Keypad
  • Device: Barcode Scanners
  • Device: Host Computer
  • Details of Specific Statements and Functions
  • Devices: Communication Ports, Primary and Auxiliary
    • A – Output to a Communication Port
    • B – Input from a Communication Port
    • C – Modem Control Lines
  • Device: RAM Files
  • Device: Beeper
  • Device: Front Panel LED’s
  • Device: The #9 User Status Display
  • Device: The Egg Timer
• 13 - A-B VBASIC Application Library
  • Introduction
  • Using the Library
  • Writing Programs
  • Using the ENVPC Simulator
    • A – Predefined Constants
    • B – Global Variables
    • C – BASIC Language Development Kit Limitations
    • D – PC Simulation Constants and Variables
• A - 2708-DH5B2L and -DH5B4L Workstation Specifications
• B - Menu Trigger Keys
• C - Technical Description
• D - Workstation Communication Pin-Out Diagrams
• E - Distance Limitations
• F - Site Parameter List
• G - Network Pin-Out Diagrams for DB9 Connector
• H - Error Messages and Prompts
• I - Time Display Formats
• J - VBASIC Language Development Kit Programming Conventions and Tips
  • Programming Conventions
  • Programming Tips
• K - A-B VBASIC and Visual BASIC Tips
• L - Differences Between A-B VBASIC and Visual BASIC
  • General Restrictions
  • Supported A-B VBASIC Keywords
• M - Application Library Subroutines
• N - A-B VBASIC Limits
• Index
• Back Cover