BECKHOFF BK7500 User Manual
Page 2
Contents
2
Buskoppler BK7500
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
Fieldbus connection
8
Configuration interface
8
K-bus contacts
8
Supply isolation
8
The operating modes of the bus coupler
9
Mechanical construction and mounting
11
Electrical data
13
The peripheral data in the process image
14
Starting operation and diagnostics
17
Terminal bus error
18
Fieldbus error
18
Setting the Transmission Rate
19
Setting the Cable Length
19
Setting the Station Address
20
3. SERCOS interface Coupler BK7500
21
Introduction to the SERCOS Interface System
21
The I/O Data Channel
23
The transfer medium: plugs and cables
27
4. Appendix
28
Example: composition of a process image in the Bus Coupler
28
The hardware configuration:
28
Configuration of the SERCOS master
29
5. Index
31
6. Support and Service
32
Beckhoff's branch offices and representatives
32
Beckhoff Headquarters
32