IEC 61784-3-1 Ed. 2.0 en:2010

Industrial communication networks - Profiles - Part 3-1: Functional safety fieldbuses - Additional specifications for CPF 1

International Electrotechnical Commission , 06/29/2010

Publisher: IEC

File Format: PDF

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Description

Standard By:International Electrotechnical Commission , 06/29/2010

Published:06/29/2010

Pages:67

File Size:1 file , 1.2 MB

Language:English

Note:This product is unavailable in Ukraine, Russia, Belarus

IEC 61784-3-1:2010(E) specifies a safety communication layer (services and protocol) based on CPF 1 of IEC 61784-1 and IEC 61158 Types 1 and 9. It identifies the principles for functional safety communications defined in IEC 61784-3 that are relevant for this safety communication layer. This second edition cancels and replaces the first edition published in 2007. This edition constitutes a technical revision. The main changes with respect to the previous edition are:
- updates in relation with changes in IEC 61784-3;
- adjustment of Figure 5;
- change of sequence number from two octets to four octets in 7.2.2 to match the final protocol from the consortium;
- addition of details for time synchronization in 7.2.4;
- addition of information for safety response time in 9.3;
- addition of information in constraints for calculation of system characteristics in 9.5.