Watchdog

What is mean by watchdog and why it is used in acs800 vfd? Plz help

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abjsr88 Rank: 3868

Asked 1 year ago

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Watchdog is a oscillating bit sent from PLC, written to any memory register in VFD. This bit is sent back to PLC. PLC logic evaluates VFD availability according activity on received watchdog bit.

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kamil.herman Rank: 17

Answered 1 year ago

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Watchdog

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