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Beckhoff BC9100 User Manual

Beckhoff BC9100
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Fieldbus system
BC9000 and BC9100 73Version: 4.0.0
Response
The Bus Coupler answers with the same telegram.
Byte name Sample
Function code 15
Start address high 0
Start address low 0
Length high 0
Length low 20
7.5.4.10 Preset single register (Function 16)
The Preset multiple register function can be used to write a number of outputs. The first two analog output
words are written in this example. The outputs start at an offset of 0x0800. Here the offset always describes
a word. Offset 0x0003 writes to the fourth word in the output process image. The length indicates the number
of words, and the Byte count is formed from the combination of all the bytes that are to be written.
Sample: 4 words - correspond to a byte count of 8
The data bytes contain the values for the analog outputs. In this example, two words are to be written. The
first word is to receive the value 0x7FFF, and the second word is to receive the value 0x3FFF.
Query
Byte name Sample
Function code 16
Start address high 8
Start address low 0
Length high 0
Length low 2
Byte count 4
Data 1 byte 1 127
Date 1byte 2 255
Date 2byte 1 63
Data 2 byte 2 255
Response
The coupler replies with the start address and the length of the transmitted words.
Byte name Sample
Function code 16
Start address high 8
Start address low 0
Length high 0
Length low 2
7.5.4.11 Read / write registers (Function 23)
A number of analog outputs can be written and a number of analog inputs read with one telegram using the
Read/write registers function. In this example the first two analog output words are written, and the first two
analog inputs are read. The analog outputs start at offset 0x0800, while the inputs start at offset 0x0000.

Table of Contents

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Beckhoff BC9100 Specifications

General IconGeneral
BrandBeckhoff
ModelBC9100
CategoryController
LanguageEnglish

Summary

Foreword

Safety instructions

Crucial safety guidelines for installation, operation, and maintenance to prevent injury.

Parameterization and Commissioning

IP Address

Procedures for assigning and managing IP addresses for network communication.

Configuration

Configuration using the System Manager

Steps for configuring the system using the TwinCAT System Manager software.

Programming

TwinCAT PLC

Introduction to using TwinCAT PLC for programming the Bus Terminal Controller.

Program Transfer

Methods for downloading programs to the Bus Terminal Controller.

Fieldbus System

Ethernet

Detailed explanation of Ethernet technology and its protocols used in industrial automation.

ADS-Communication

Information on the Automation Device Specification (ADS) protocol for data exchange.

Error Handling and Diagnosis

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