Osb-Watchdog; Module Status - ABB S800 I/O User Manual

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The OSP-watchdog is a watchdog timer that all I/O modules with output channels
have. It supervises the communication to discover if the traffic on the bus is
interrupted. The OSP-watchdog is refreshed when the module is accessed. If this is
not done within the time limit the watchdog will force the module to the OSP state
(see Section 4.2.2.5, Module
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Each module has a status that summarizes the status for the whole module.
It contains information about its working state and if any non-fatal or fatal error is
detected. The status information can be read and evaluated by the Advant Controller
cyclically.
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Each input value is delivered together with a status information about the channel.
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Status).
3BSE 020 925R101