Toshiba AS311 User Manuals

Table of Contents

• Safety Precautions

  3
• About This Manual

  4
• Contents

  6
• 1. AS311 Overview

  9
  • 1.1 Introduction

    10
  • 1.2 AS311 functions

    11
  • 1.3 External features

    12
• 2. Specifications

  17
  • 2.1 General specifications

    18
  • 2.2 Functional specifications

    18
  • 2.3 Transmission specifications

    19
• 3. Cable Connections

  21
  • 3.1 RS-232C connection

    22
  • 3.2 RS-422 connection

    23
• 4. Register Configuration

  25
  • 4.1 I/O allocation and I/O registers

    26
  • 4.2 AS311 buffer memory

    28
    • 4.2.1 Memory map

      28
    • 4.2.2 Buffer memory access

      29
    • 4.2.3 Parameter area

      31
    • 4.2.4 Receiving and transmitting data area

      38
• 5. Operation Procedure

  39
  • 5.1 Transmission message format

    40
  • 5.2 Received message read sequence

    41
    • 5.2.1 Flag control timing

      41
    • 5.2.2 T3 sample program for message receiving

      42
  • 5.3 Write sequence for message transmitting

    45
    • 5.3.1 Flag control timing

      45
    • 5.3.2 T3 sample program for message transmitting

      46
  • 5.4 Checking the AS311 operation status

    49
  • 5.5 Resetting the AS311 by software

    50
  • 5.6 Setting the trailing code

    51
  • 5.7 Setting the time-out check time

    52
• 6. RAS Information

  53
  • 6.1 LED indication

    54
  • 6.2 Buffer memory information

    55
    • 6.2.1 Module status

      55
    • 6.2.2 Switch setting status

      56
    • 6.2.3 Error information for data receiving

      57
    • 6.2.4 Error information for data transmitting

      58
  • 6.3 Trouble shooting

    59
• Appendix

  61
  • A.1 Specification of the READ instruction

    62
  • A.2 Specification of the WRITE instruction

    64