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NMBA-01
ABB NMBA-01 Manuals
Manuals and User Guides for ABB NMBA-01. We have
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ABB NMBA-01 manual available for free PDF download: 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
Intended Audience
9
What this Guide Contains
9
Terms Used in this Guide
10
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
RTU Framing
42
How the Address Field Is Handled
43
How the Function Field Is Handled
43
Contents of the Data Field
44
Contents of the Error Checking Field
44
How Characters Are Transmitted Serially
45
Error Checking Methods
45
Parity Checking
46
CRC Checking
46
Modbus Function Formats
47
How Numerical Values Are Expressed
47
Data Addresses in Modbus Messages
47
Field Contents in Modbus Messages
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
Ambient Conditions, Operation
61
Ambient Conditions, Storage
61
Ambient Conditions, Transportation
61
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