DWL@DWL10000017209

Version Language
Operating System
Date
Size
Type Download
4.20 EN 12/06/2023 8 MB PDF MAX20-en_V4.20.pdf
4.20 DE 12/06/2023 7 MB PDF MAX20-de_V4.20.pdf
Description X20 System User´s Manual

4.20 December 2023 Updated book.
• Updated module overviews.
• Section "Installation and wiring"
° Added new section "Shielding and earthing".
• Section "Mechanical and electrical configuration"
° Removed X67 installation notes in section "Safe cutoff of a potential group".
° Removed discontinued modules from calculation examples.
• Section "Accessories"
° Added new section "Batteries".
• Section "International standards and certifications"
° Added new certification "UKCA".

4.10 August 2022 Updated book.
• Replaced term "CPU" with "controller".
• Updated module overviews.
• Section "System overview"
° Removed sections "Compact CPUs" and "Fieldbus CPUs".
° Added new section "Embedded controller".
• Section "Dimensions"
° Added new section "Embedded for controllers".
• Section "Installation and wiring"
° Updated section "Wiring"
° Added new section "Lightning protection".
• Section "Accessories"
° Added new section "Embedded controllers accessories package"
° Added new section "General specification of an X2X Link cable" under "X2X Link cables"s
• Section "International standards and certifications"
° Replaced standard EN 55022 with EN 55032, removed standard EN 50581.
° Updated links in section "EU directives and standards".

4.00 November 2021
New edition
• Restructured general sections.
• Removed all module data sheets.
Revised module overviews.
• Linked module names to downloads from the B&R website.
• Added safety modules to module overviews.
Updated book.
• Section "Accessories"
° Added sensors and sensor cables.
° Added CompactFlash cards.
° Added Safety Technology Guarding.
• Section "International standards and certifications"
° Added new certification "ABS".
• Section "Additional information"
° Added new data point "StorageWear".

3.60 April 2020
Updated book.
• Updated data sheets.
• Section "Mechanical and electrical configuration"
° Changed accessories under "Installation with increased vibration requirements".
° Changed section "Safe cutoff of a potential group".
• Section "Mechanical handling"
° Added "Labeling options for the X20 system"
• Section "International standards and certifications"
° Added certification "KR" and removed "GOST-R".
• Section "Accessories"
° Added accessory "Cover for interface modules".
• Section "Additional information"
° Added "NetTime".
Updated existing module groups.
• CPUs
• Analog input modules
• Digital output modules
• Motor controllers
• Other functions

3.50 October 2018
Updated book.
• Updated data sheets.
° Added missing freewheeling diodes in connection examples for DO modules.
• Section "Mechanical and electrical configuration"
° Added oblique and horizontal installation under "Installation".
° Revised "Safe cutoff".
° Revised "Calculating the power balance".
° Added "Dimensioning the external 24 VDC power supply"-
• Section "Additional information"
° Added "Using I/O modules on the bus controller".
° Updated "General CPU data points".
° Added "Blackout mode".
Updated existing module groups.
• Other functions
• reACTION Technology

3.40 October 2017
Updated book.
• Updated data sheets.
• Section "System characteristics"
° Updated X20 CPUs.
• Section "Mechanical and electrical configuration"
° Revised "Safe cutoff".
° Revised "Calculating the power requirements".
• Section "Accessories"
° New accessories: "End clamp set" and "shield connection clamp"
° Update cable descriptions.
• Section "Additional information"
° Added "General CPU data points".
New module groups
• Compact-S CPUs
• Compact-S CPUs - System modules
Updated existing module groups.
• Bus controllers
• Bus receivers and bus transmitters
• Additional functions
• Added new coated modules.

3.35 October 2016
Updated book.
• Revised and expanded chapter "Standards and certifications".
° Added detailed overview of standards and testing requirements.
° Added links to standards on B&R website.
° Added "Applicable standards" for individual certifications.
• Updated names of standards throughout book.
Updated existing module groups.
• Added new coated modules.

3.30 August 2016
Book updated
• Updated data sheets.
• Modified chapter structure.
° Added separate chapter "Safety guidelines" after "General information".
° Moved all data sheets after chapter "Standards and certifications".
° Combined module overviews into common section and removed chapter "Coated modules".
° Added new chapter "Additional information" after chapter "Data sheets".
° Removed index and appendices.
• Added, updated and moved around information.
° Moved section "Abbreviations" from appendix to chapter "General information".
° Added new section "Unique terminal numbering" to chapter "System characteristics".
° Added new section "Installation with increased
vibration requirements " to chapter "Mechanical and
electrical configuration".
° Updated section "Shielding" in chapter "Mechanical and electrical configuration".
° Moved section "Overview of B&R ID codes" from appendix to chapter "Module overview".
° Renamed section "re LEDs" and moved along with "General data points" to chapter "Additional information".
Updated existing module groups.
• Bus controllers
• reACTION Technology
• Temperature module

3.20 February 2016
Book updated
• Standardized formatting.
• Updated and added information.
° Added section "Connecting/Disconnecting IF modules" to chapter "General information".
° Added section "re LEDs" to chapter "System characteristics".
° Added section "Safe cutoff" to chapter "Mechanical and electrical configuration".
° Added section "Data point information" to chapter "X20 system modules".
° Added section "Certifications" to chapter "Standards and certifications".
• Combined coated and non-coated modules into shared documents.
• Modified chapter "Coated modules".
• Revised chapter overviews "X20 system modules" and "Coated modules".
Updated existing module groups.
• Analog input modules
• Digital input modules
• Digital signal processor modules
• Other modules
• Temperature modules
New "reACTION Technology" module grou

3.10 May 2015
Book updated
Existing module groups updated
• Counter modules
• Motor modules
• X20 electronics module communication
• Digital signal processor modules
Chapter "Coated modules" updated
Error in B&R ID code list corrected

3.00 October 2014
New edition
• All chapters updated
• Register descriptions added for every module
The following groups of modules are still being revised; some modules have not been included in this manual or have
been only partially updated:
• Analog input modules
• Digital signal processor modules
• X20 electronics module communication
• Motor modules
• Other modules
• Temperature modules
• Counter modules
The most up-to-date data sheets for the respective modules can be downloaded from the B&R website.

2.10 March 2009
Book updated
New module groups added
• Expandable bus controllers
• Expandable bus controller system modules
• X20 hub system
• System modules for the X20 hub system
• X20 redundancy system
• System modules for the X20 redundancy system
Existing module groups updated
• Compact CPU system modules
• Fieldbus CPU system modules
• Bus controller system modules
• X20 electronics module communication
• Bus transmitter
• Bus controller
• Digital input modules
• Digital output modules
• Analog input modules
• Temperature modules
• Other modules
• Counter modules
Accessories added
New: Appendix B "B&R ID codes"
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