ABB NMBA-01 Manuals

ABB NMBA-01 Manuals

Manuals and User Guides for ABB NMBA-01. We have 1 ABB NMBA-01 manual available for free PDF download: Installation And Startup Manual

ABB NMBA-01 Installation And Startup Manual

ABB NMBA-01 Installation And Startup Manual (64 pages)

Modbus Adapter Module

Brand: ABB | Category: Control Unit | Size: 0.48 MB

Table of Contents

Safety Instructions
5
Table of Contents
7
Chapter 1 - Introduction to this Guide

9
Chapter 2 - Overview

11
- Introduction to Modbus
  11
- The NMBA-01 Modbus Adapter Module
  11
  - Compatibility
    12
  - Delivery Check
    12
  - Warranty and Liability Information
    13
Chapter 3 - Mechanical Installation

15
- Mounting Outside the Drive
  15
- Mounting Inside the Drive
  16
Chapter 4 - Electrical Installation

17
- Cabling
  17
- Bus Termination
  17
- NMBA-01 Connections
  18
- Earthing
  19
  - Earthing the Modbus Cable Shields
    20
Chapter 5 - Programming

21
- Configuring the System
  21
  - Modbus Connection Configuration
    21
- Control Locations
  23
Chapter 6 - Communication

25
- Register Read and Write
  25
  - Register Mapping
    25
  - Exception Codes
    27
- Data Update
  27
- Multiple Drive Control
  28
- Parameter Handling
  29
Chapter 7 - Fault Tracing

31
- Overview
  31
- Installation Problems
  31
- Drive Setup
  31
- PLC Programming
  31
- Status Leds
  32
  - Module Diagnostics
    32
Appendix A - Technical Data

35
- DDCS Link
  35
- Fieldbus Link
  36
- Nmba-01
  39
Appendix B - Modbus Protocol

39
- Introducing Modbus Protocol
  39
  - Transactions on Modbus Networks
    39
- The Two Serial Transmission Modes
  41
  - RTU Mode
    41
- Modbus Message Framing
  42
- Error Checking Methods
  45
  - Parity Checking
    46
  - CRC Checking
    46
- Modbus Function Formats
  47
- Function Codes
  50
  - Read Holding Registers
    50
  - 10 Hex) Preset Multiple Regs
    53
- Exception Responses
  54
- CRC Generation
  57
  - Placing the CRC into the Message
    58
Appendix C - Ambient Conditions

61

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