Manuali utente per Schneider Electric VW3 A3 303

Sommario

• Contents

  2
• 1. Before you begin

  3
• 2. Documentation structure

  4
  • b Installation Manual

    4
  • b Programming Manual

    4
  • b Communication Parameters Manual

    4
  • b Modbus, CANopen, Ethernet, Profibus, INTERBUS, Uni-Telway, DeviceNet, Modbus Plus and FIPIO man...

    4
  • b Altivar 58/58F Migration Manual

    4
• 3. Introduction

  5
  • 3. 1. Presentation

    5
  • 3. 2. Notation

    5
• 4. Hardware setup

  6
  • 4. 1. Receipt

    6
  • 4. 2. Hardware description

    6
  • 4. 3. Installing the card in the drive

    6
  • 4. 4. Switch coding

    7
    • b Choosing polarization

      7
    • b Coding the address

      7
• 5. Connecting to the bus

  9
  • 5. 1. Wiring recommendations

    9
  • 5. 2. Modbus RS485 standard

    9
  • 5. 3. Connection via RJ45 wiring system

    10
    • b Connection accessories

      10
    • b Connection cables

      10
    • b Connection cables for the master

      11
  • 5. 4. Connection via junction boxes

    12
    • b Connection accessories

      12
    • b Connection cables

      12
    • b Connection cables for the master

      13
• 6. Configuration

  14
  • 6. 1. Communication parameters

    14
  • 6. 2. Control - Command

    15
    • b Control via Modbus in I/O profile

      15
    • b Control via Modbus or the terminals in I/O profile

      15
    • b Control via Modbus in Drivecom profile

      16
    • b Control via Modbus or the terminals in Drivecom profile

      16
    • b Control in Drivecom profile via Modbus and reference switching at the terminals

      17
  • 6. 3. Communication scanner

    18
    • The communication scanner enables all the application-relevant parameters to be grouped in 2 cons...

      18
  • 6. 4. Communication faults

    19
  • 6. 5. Monitored parameters

    20
• 7. Diagnostics

  21
  • 7. 1. Checking the address

    21
  • 7. 2. LEDs

    21
  • 7. 3. Control - Command

    22
  • 7. 4. Communication scanner

    23
  • 7. 5. Communication fault

    24
  • 7. 6. Card fault

    24
• 8. Modbus protocol

  25
  • 8. 1. Principle

    25
  • 8. 2. Modes

    26
    • b RTU mode

      26
    • b ASCII mode

      26
  • 8. 3. Modbus functions available

    27
  • 8. 4. Read Holding/Input Registers (3/4)

    27
  • 8. 5. Write Single Register (6)

    28
  • 8. 6. Diagnostics (8)

    29
  • 8. 7. Get Comm Event Counter (11 = 16#0B)

    30
  • 8. 8. Write Multiple Registers (16 = 16#10)

    30
  • 8. 9. Read/Write Multiple Registers (23 = 16#17)

    31
  • 8. 10. Read Device Identification (43 = 16#2B)

    32
  • 8. 11. Communication scanner

    34
  • 8. 12. Exception responses

    37
  • 8. 13. Read non-existent or protected parameters

    38
• 9. Appendix

  39
  • 9. 1. RS485 standard

    39
  • 9. 2. Modbus 2-wire standard schematic

    40
  • 9. 3. Modbus 4-wire standard schematic

    41
  • 9. 4. Uni-Telway schematic

    42
  • 9. 5. 2-wire Jbus schematic

    43
  • 9. 6. Creating a Modbus bus using non-standard equipment

    44
    • b Different scenarios

      44
    • b Recommendations

      44
    • b Calculating the polarization

      45
  • 9. 7. RS485 schematic for the card

    46
  • 9. 8. Card connector pinout

    46