{"id":4261,"date":"2026-03-02T07:45:12","date_gmt":"2026-03-02T07:45:12","guid":{"rendered":"https:\/\/blog.microcontrol.net\/canopen-slave-stack-version-7-04\/"},"modified":"2026-03-10T08:54:00","modified_gmt":"2026-03-10T08:54:00","slug":"canopen-slave-stack-version-7-04","status":"publish","type":"post","link":"https:\/\/blog.microcontrol.net\/en\/canopen-slave-stack-version-7-04\/","title":{"rendered":"CANopen Slave Stack Version 7.04"},"content":{"rendered":"

[et_pb_section fb_built=”1″ disabled_on=”off|off|off” _builder_version=”4.27.4″ _module_preset=”default” background_image=”https:\/\/blog.microcontrol.net\/wp-content\/uploads\/2023\/02\/Visual_Protokollstacks_Option_embedded2023_RGB_geschnitten_680px.jpg” max_width=”95%” custom_margin=”0px||||false|false” custom_padding=”130px||0px|||” global_colors_info=”{}”][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ _module_preset=”default” width=”100%” custom_padding=”0px||0px||false|false” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/blog.microcontrol.net\/wp-content\/uploads\/2021\/10\/MicroControl-Troisdorf-Germany.png” title_text=”MicroControl Troisdorf Germany” _builder_version=”4.16″ _module_preset=”default” width=”75%” module_alignment=”right” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” background_enable_color=”off” custom_margin=”||||false|false” custom_padding=”||||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.16″ _module_preset=”default” custom_margin=”||||false|false” custom_padding=”||||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” header_font=”||||||||” header_font_size=”32px” custom_margin=”||||false|false” custom_padding=”||||false|false” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

CANopen Slave Stack Version 7.04 is here \u2013
<\/span>more boards, enhanced security, smoother performance<\/b><\/span><\/span><\/h1>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” background_color=”#f7f7f7″ custom_margin=”||||false|false” custom_padding=”|0px||0px|false|false” global_colors_info=”{}”][et_pb_row column_structure=”2_3,1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”2_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

We\u2019re excited to announce the new CANopen Slave Stack Version 7.04<\/strong> \u2013 an update focused on what matters most to embedded teams: faster evaluation on real hardware, improved security defaults, and a more sophisticated user experience across classic CANopen and CANopen FD \u2014 without changing how you build products on top of it.<\/p>\n

Whether you\u2019re prototyping on a development kit or refining an industrial application already in the field, version 7.04 brings practical improvements that help you move from \u201cit works\u201d to \u201chas been shipped\u201d with more confidence.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/blog.microcontrol.net\/wp-content\/uploads\/2025\/10\/Bierdeckel_SPS2025_DE.webp” alt=”Visit MicroControl \u2013 SPS 2025 hall 5 – 420″ title_text=”Beer coaster_SPS2025_DE” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.19.0″ _module_preset=”default” custom_margin=”||||false|false” custom_padding=”0px||0px||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” header_3_font=”|600|||||||” header_3_text_color=”#ef7c00″ header_3_font_size=”24px” custom_margin=”||13px|||” global_colors_info=”{}”]<\/p>\n

<\/h3>\n

Faster start: new ready-to-run examples<\/h3>\n

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Getting from download to \u201cfirst successful communication\u201d should be quick. Version 7.04 introduces
new board examples<\/strong> that make it easier to get up and running. The examples includes the NUCLEO-C092RC<\/strong>
and STM32G0C1E-EV<\/strong> board as well as new ST boards which will be released during the embedded world 2026. <\/p>\n

These additions streamline early evaluation and provide a cleaner starting point for your own application work.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” background_color=”#f7f7f7″ custom_margin=”||||false|false” custom_padding=”|0px||0px|false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” header_3_font=”|600|||||||” header_3_text_color=”#ef7c00″ header_3_font_size=”24px” custom_margin=”||13px|||” global_colors_info=”{}”]<\/p>\n

Security-first by default<\/h3>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Security shouldn\u2019t be an afterthought \u2014 or something that\u2019s accidentally enabled when it shouldn\u2019t be.
A new Secure configuration add-on<\/strong> makes it easier to align deployments with stricter security expectations. <\/p>\n

This update supports modern development workflows where secure-by-design is the baseline, not an optional extra.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_row column_structure=”1_3,1_3,1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/blog.microcontrol.net\/wp-content\/uploads\/2025\/09\/canopen_logo_ohne_schatten_680px.webp” alt=”Logo CANopen” title_text=”canopen_logo_no_shadow_680px” show_in_lightbox=”on” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.19.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/blog.microcontrol.net\/wp-content\/uploads\/2023\/01\/canopen-fd_logo_53px.jpg” alt=”CANopen FD Logo” title_text=”canopen-fd_logo_53px” show_in_lightbox=”on” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.19.0″ _module_preset=”default” custom_margin=”||||false|false” custom_padding=”0px||0px||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” header_3_font=”|600|||||||” header_3_text_color=”#ef7c00″ header_3_font_size=”24px” custom_margin=”||13px|||” global_colors_info=”{}”]<\/p>\n

Reliability improvements across the stack<\/h3>\n

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Version 7.04 includes a broad set of refinements that improve stability and correctness across core features, especially in edge cases that can show up during integration or long-running operation:<\/p>\n

    \n
  • EMCY: improved internal timing handling for CANopen FD<\/li>\n
  • Dictionary: Support for hidden objects (CANopen CC and CANopen FD)<\/li>\n
  • PDO: fixes for dynamic PDO sizing on CANopen FD<\/li>\n
  • SYNC: refreshed message handling and event flow<\/li>\n
  • SDO: improved handling for SDO block upload<\/li>\n
  • USDO: stability and robustness improvements (including compiler-support updates)<\/li>\n
  • Various cleanups to reduce warnings and improve portability<\/li>\n<\/ul>\n

    In short: fewer surprises during integration, more predictable behavior in real systems.<\/p>\n

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    <\/h3>\n

    Update of device profiles<\/h3>\n

    [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

    We also made targeted improvements in profile support, helping teams building higher-level application behavior.
    The updated profiles are CiA 404<\/strong> (device profile for measuring devices and closed-loop controllers), CiA 410<\/strong>
    (inclinometer device profile) and CiA 417<\/strong> (profile for lift control systems). <\/p>\n

    These updates keep the stack aligned with practical device profile needs\u2014especially when building product-specific behavior on top of standardized communication.<\/p>\n

    [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” header_3_font=”|600|||||||” header_3_text_color=”#ef7c00″ header_3_font_size=”24px” custom_margin=”||13px|||” global_colors_info=”{}”]<\/p>\n

    A release built for product teams<\/h3>\n

    [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_line_height=”0.5em” header_3_text_color=”#ef7c00″ custom_padding=”||0px|||” global_colors_info=”{}”]<\/p>\n

    CANopen Slave Stack version 7.04 isn\u2019t about flashy changes. It\u2019s about the upgrades you feel every day: <\/p>\n

      \n
    • easier hardware bring-up,<\/li>\n
    • stronger defaults for security,<\/li>\n
    • smoother communication handling,<\/li>\n
    • and steady progress on profiles and platform compatibility.<\/li>\n<\/ul>\n

      If you\u2019re building with CANopen or CANopen FD, Version 7.04 is a solid step forward \u2014 more modern, more secure, and more dependable.<\/p>\n

      [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

      CANopen Slave Stack Version 7.04 is here \u2013more boards, enhanced security, smoother performanceWe\u2019re excited to announce the new CANopen Slave Stack Version 7.04 \u2013 an update focused on what matters most to embedded teams: faster evaluation on real hardware, improved security defaults, and a more sophisticated user experience across classic CANopen and CANopen FD \u2014 […]<\/p>\n","protected":false},"author":6,"featured_media":429,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[54],"tags":[72,81,82],"class_list":["post-4261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-protocol-stacks","tag-can-en","tag-canopen-en","tag-canopen-fd-en","et-has-post-format-content","et_post_format-et-post-format-standard"],"yoast_head":"\nCANopen Slave Stack Version 7.04 | 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