IEC/PAS 62030 Ed. 1.0 en:2004, Digital data communications for measurement and control - Fieldbus for use in industrial control systems

This PAS has been divided into two sections. Section 1 deals with MODBUS� Application Protocol Specification V1.1a while Section 2 covers the Real-Time Publish-Subscribe (RTPS) Wire Protocol Specification Version 1.0. It is intended that the content of this PAS will be incorporated in the future new editions of the various parts of IEC 61158 series according to the structure of this series.