A hardware or software timer that resets a microprocessor system if it fails to receive periodic signals, preventing system lockups.
Commonly used trade names and technical identifiers for Watchdog Timer.
This component is used in the following industrial products
The core processing unit within a safety controller that executes safety-critical logic functions and monitors safety inputs.
Integrated circuit or microcontroller specifically designed to implement safety protection logic and monitoring functions within electronic systems.
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To detect and recover from system malfunctions by resetting the microprocessor if it fails to operate correctly within a specified time frame.
Yes, software watchdogs exist but are less reliable than hardware timers as they depend on the same faulty system; hardware watchdogs are preferred for critical applications.
It triggers a system reset, interrupt, or fail-safe action to restore normal operation and prevent unsafe conditions.
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