PROGRAMMABLE CONTROLLERS - PART 9: SINGLE-DROP DIGITAL COMMUNICATION INTERFACE FOR SMALL SENSORS AND ACTUATORS (SDCI)
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, symbols, abbreviated terms
and conventions
4 Overview of SDCI (IO-Link[TM])
5 Physical Layer (PL)
6 Standard Input and Output (SIO)
7 Data link layer (DL)
8 Application layer (AL)
9 System management (SM)
10 Device
11 Master
Annex A (normative) - Codings, timing constraints,
and errors
Annex B (normative) - Parameter and commands
Annex C (normative) - ErrorTypes (ISDU errors)
Annex D (normative) - EventCodes (diagnosis information)
Annex E (normative) - Data types
Annex F (normative) - Structure of the Data Storage
data object
Annex G (normative) - Master and Device conformity
Annex H (informative) - Residual error probabilities
Annex I (informative) - Example sequence of an
ISDU transmission
Annex J (informative) - Recommended methods for
detecting parameter changes
Bibliography
Defines a single-drop digital communication interface technology for small sensors and actuators SDCI (commonly known as IO-Link[TM]), which extends the traditional digital input and digital output interfaces as defined in IEC 61131-2 towards a point-to-point communication link.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 65 |
