IEC 60729:1982

FOREWORD
PREFACE
Clause
1 Scope and Object
  1.1 Scope
  1.2 Object
2 Interpretation
3 The Auxiliary Controller Bus and Associated Front
  Panel Signals
4 Use of the lines on the Auxiliary Controller Bus and
  Associated Signals
  4.1 Control Signals
  4.2 Encoded-N Signals
  4.3 Look-at-Me signals
  4.4 Other signals
5 The Auxiliary Controller Bus Connector and Associated
  Front Panel Connectors
6 Signal standards
  6.1 Signal standards on the ACB
  6.2 Signal standards for the ACB Associated Front Panel
      Signals
  6.3 Signal standards for AC Dataway Connections
  6.4 Protection of critical signal inputs
APPENDIX A - Specification of CAMAC Crate Controller Type A2
Tables:
I Signal lines at the Auxiliary Controller Bus Connector
    and Associated Front Panel Connectors
II Contact assignments on Auxiliary Controller Bus Connector
III Current signal standards and pull-up current sources
    for the Auxiliary Controller Bus Connector and Associated
    Front Panel Connectors
IV Signal standards for Q, R, and X at the Auxiliary Controller
    Dataway Connector
V Branch commands implemented by CAMAC Crate Controller
    Type A2
VI Contact assignments for LAM-Grader Connector of Crate
    Controller Type A
Figures
ALPHABETICAL INDEX

Defines a method for incorporating more than one source of control into a CAMAC crate through auxiliary controllers located in normal stations in the crate. An auxiliary controller bus (ACB) and priority arbitration protocol are fully defined.