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Publication details

Publication CODE Title
NBN EN IEC 61131-9:2022 (2022-07) PROGRAMMABLE CONTROLLERS - PART 9: SINGLE-DROP DIGITAL COMMUNICATION INTERFACE FOR SMALL SENSORS AND ACTUATORS (SDCI)
 
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Description
This part of IEC 61131 specifies a single-drop digital communication interface technology for small sensors and actuators SDCI (commonly known as IO-LinkTM2), which extends the traditional digital input and digital output interfaces as defined in IEC 61131-2 towards a point-to-point communication link. This technology enables the transfer of parameters to Devices and the delivery of diagnostic information from the Devices to the automation system. This technology is mainly intended for use with simple sensors and actuators in factory automation, which include small and cost-effective microcontrollers. This part specifies the SDCI communication services and protocol (physical layer, data link layer and application layer in accordance with the ISO/OSI reference model) for both SDCI Masters and Devices. This part also includes EMC test requirements. This part does not cover communication interfaces or systems incorporating multiple point or multiple drop linkages, or integration of SDCI into higher level systems such as fieldbuses.
Class  C
Available files
ATTENTION: Belgian registered standards (NBN EN or NBN HD) are generally only available in English or French. Only the cover page is translated and the document itself is in English or in French.

DE version
EN version
FR version
Status
Status IEC PUBLICATION
Situation Currently active
Replaces  NBN EN 61131-9:2014
Origin
Committee CLC/TC 65X
Industrial-process measurement, control and automation
Approval
BEC Approval 2022-07-04
NBN Approval 2022-07-27
NBN Status New
Date of ratification (d.o.r.) 2022-07-04
Date of announcement (d.o.a.) 2022-10-04
Date of publication (d.o.p.) 2023-04-04
Date of withdrawal former edition (d.o.w.) 2025-07-04
IEC file modification date 2022-07-23