# Unable to Ping or Go Online with B&R PLC 4PPC070.0573-20W Despite Being Visible in Browse

**URL:** <https://community.br-automation.com/t/unable-to-ping-or-go-online-with-b-r-plc-4ppc070-0573-20w-despite-being-visible-in-browse/9840>\
**Category:** B&R Software & Runtime\
**Tags:** t-c-panels\
**Created:** [January 23, 2026, 6:08am UTC](https://community.br-automation.com/t/unable-to-ping-or-go-online-with-b-r-plc-4ppc070-0573-20w-despite-being-visible-in-browse/9840 "2026-01-23T06:08:18Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![christoph.hilchenbac](https://dub1.discourse-cdn.com/brcommunity/user_avatar/community.br-automation.com/christoph.hilchenbac/32/423_2.png) [@christoph.hilchenbac](https://community.br-automation.com/u/christoph.hilchenbac)\
**Post date:** [January 23, 2026, 8:07am UTC](https://community.br-automation.com/t/unable-to-ping-or-go-online-with-b-r-plc-4ppc070-0573-20w-despite-being-visible-in-browse/9840/6 "2026-01-23T08:07:26Z")

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Hi,

probably your project tries to connect with obsolete INA protocol and you set an invalid INA node number ‘0’ in your CPU.

You could try to deactivate that: [A connection via ANLS is needed to execute transfer properly error - #4 by Tyler\_Carpenter](https://community.br-automation.com/t/a-connection-via-anls-is-needed-to-execute-transfer-properly-error/5352/4)

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