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Welding Controllers PROFILE Device Control C0
INTERBUS-S CLUB
Welding Controllers
PROFILE
Device Control C0 Profile:
Welding Controllers - Device Control
Profile No.:
C0
Date:
June 22, 1995
Published by: InterBus-S Club e.V.
Geschäftsstelle

Postfach 23 47, D-67611 Kaiserslautern

Telephone: Germany - 6 31-7 94 24

Fax : Germany - 6 31- 9 76 58
Order No.:
D1
Copyright by InterBus-S Club e.V., Kaiserslautern, Germany
All rights, including to translation, reserved. No part of this information may by any means (printing,
photocopying, microfilm or any other process) be reproduced, or processed, copied or distributed by means of
electronic systems.
Subject to modifications InterBus-S Club e.V.
Welding Controllers Device Control Profile
Page 1
Contents
Page
Preface.......................................................................................................................................... 2
Introduction.................................................................................................................................. 3
1.
Scope ............................................................................................................................................ 3
2.
References ................................................................................................................................... 3
3.
Terms ............................................................................................................................................ 4
3.1.
General Terms............................................................................................................................... 4
3.2.
Communication-Specific Terms..................................................................................................... 4
4.
Abbreviations............................................................................................................................... 5
5.
Device Characterization .............................................................................................................. 5
5.1.
Device Data ................................................................................................................................... 5
6.
Application and Device Characteristics .................................................................................... 6
6.1.
Diagnostic Indicators ..................................................................................................................... 6
6.2.
Device Control ............................................................................................................................... 6
6.2.1.
Device States................................................................................................................................. 6
6.2.2.
Control Word.................................................................................................................................. 7
6.2.3.
Status Word ................................................................................................................................... 9
7.
Operating Phases of the Application ...................................................................................... 11
7.1.
Initialization/Abort ........................................................................................................................ 11
7.2.
Operation ..................................................................................................................................... 11
8.
Communication Profile ............................................................................................................. 12
8.1.
Layer 1......................................................................................................................................... 12
8.2.
Layer 2......................................................................................................................................... 12
8.2.1.
Configuration of the InterBus-S Registers ................................................................................... 12
8.2.2.
Identification of the InterBus-S Devices....................................................................................... 12
8.3.
Layer 7......................................................................................................................................... 13
Appendix
Application Areas and Networking Concepts of Welding Controllers................................. 14 Page 2
Welding Controllers Device Control Profile
InterBus-S Club e.V.
Preface
Within the framework of factory automation, increasingly powerful and flexible systems are needed in the field of
industrial sensors and actuators. Welding controllers can meet these requirements. However, open and
standardized communication capabilities are needed to enable their complete integration into complex production
sequences.
The basic concept of open systems is to enable an exchange of information between application functions
implemented on hardware from a diversity of manufacturers.
These functions include defined application functions, a standard user interface for communications and a
standard transmission medium.
To be able to define the device functions of the welding controllers independently of the communication medium,
the standardized user interface, DIN 19 245, Part 2, was used for communications. This created compatibility
with MMS (Manufacturing Message Specification).
The InterBus-S system, which meets the requirements of sensors and actuators with regard to real-time
response and a standardized user interface, was chosen as the communication medium.
The Welding Controller Profile is oriented to the user and manufacturer of welding controllers to be operated on
the sensor/actuator bus.
For the user, the WELD COM profile definition is a useful addition to standardized communication and
represents a generally valid convention concerning the contents of data and the response of devices. These
function definitions standardize a few essential device parameters of a welding controller. Consequently,
hardware from different manufacturers exhibits the same response in the communication medium when these
standard parameters are used.
In October 1994 the welding controller working group was founded at instigation of the automotive industry. Its
objective is to standardize the interface of welding controllers and to communicate all working results to all
interested parties.
When the profile was worked out, the principle was followed that future additions to the specification can be
incorporated without effects on the standardized functions. In addition, allowance was made for the use of
manufacturer-specified functions.
Authors:
Dr. Hamm
AEG, D-Mülheim
Mr. Schaffarra
AEG, D-Warstein-Belecke
Mr. Bethäuser
Audi AG, D-Neckarsulm
Mr. Mangold
BMW AG, D-Landshut
Mr. Erras
BMW AG, D-München
Mr. Cambridge
British Federal Ltd., GB-Dudley
Mr. Scherübl
FASE GmbH, D-Gauting
Mr. Müller
Ford Werke AG, D-Köln
Dr. Karakas
Harms + Wende, D-Hamburg
Mr. Morsk
Harms + Wende, D-Hamburg
Mr. Schnurr
Mercedes Benz AG, D-Bremen
Mr. Höhmann
Mercedes Benz AG, D-Sindelfingen
Mr. Kramer
Mercedes Benz AG, D-Sindelfingen
Mr. Müller
Phoenix Contact, D-Blomberg
Mr. Krumsiek
Phoenix Contact, D-Blomberg
Mr. Siebel
Robert Bosch GmbH, D-Erbach
Mr. Stellwag
Robert Bosch GmbH, D-Erbach
Mr. Appler
SCIAKY GmbH, D-Wiesbaden
Mr. Barrachina
Serra soldadura, s.a., E-Barcelona
Mr. Kaninski
Societe SCIAKY INDUSTRIE, F-Vitry/Seine Cedex InterBus-S Club e.V.
Welding Controllers Device Control Profile
Page 3
Introduction
The approach toward modularization and decentralization of system functions and system components reduces
the complexity of automation solutions and, therefore, their susceptibility to errors; it increases their availability,
facilitates maintenance and, therefore, contributes to the improvement of their quality and the reduction of costs.
However, considering welding controllers as separate components in a complete system can only bring about
real advantages when certain conditions are met. In this connection, the definition of profiles plays a particular
part, as it provides standards between users and suppliers, thus facilitating the interchangeability of software as
well as of hardware.
Profiles and standards only stand a chance of being accepted when they equally provide continuity, progress,
and future-proof technologies. The conversion of existing solutions to the standard must be possi