BECKHOFF BK8000 - Manual (Page 2)

Contents
2 BK8000
Contents
1. Foreword 3
Notes on the documentation 3
Liability Conditions 3
Delivery conditions 3
Copyright 3
Safety Instructions 4
State at Delivery 4
Description of safety symbols 4
2. Basic information 5
The Beckhoff bus terminal system 5
The interfaces 7
Power supply 7
Power supply to the power contacts 7
Power contacts 7
RS 485 Connection 8
K-bus contacts 8
Supply isolation 8
The operating modes of the bus coupler 9
Mechanical construction 10
Electrical data 10
The peripheral data in the process image 12
Starting operation and diagnostics 14
3. RS 485 Coupler BK8000 16
System presentation 16
The media: plugs and cable 17
Data communication 18
4. Appendix 22
Sample arrangement of a process image in the bus coupler 22
Representation of analog signals in the process image 24
5. Support and Service 26
Beckhoff's branch offices and representatives 26
Beckhoff Headquarters 26