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Siemens SIMATIC IPC677D User Manual

Siemens SIMATIC IPC677D
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Operating the device and device functions
5.5 Extended device functions
SIMATIC IPC677D
Operating Instructions, 09/2014, A5E32995420-AC
61
5.5.1.3
Watchdog (WD)
Configuration
You configure the watchdog with the DiagBase or DiagMonitor software.
Function
The watchdog is able to monitor system runtime and informs the user about the different
reactions that are triggered if the system does not respond to the watchdog within the
specified monitoring time.
A watchdog alarm is retained after a restart and is reset and logged by the DiagBase or
DiagMonitor software. The watchdog configuration is retained in the process.
Watchdog reactions
The following reactions can occur if the watchdog is not addressed within the set time:
Option
Reaction
Reset on
Executes a hardware reset when the watchdog expires
Reset off Executes no action when the watchdog expires
Restart
Restarts the operating system when the watchdog expires
Shutdown Shuts down the operating system when the watchdog expires
NOTICE
"Reset on" option
The "Reset on" option immediately triggers a hardware reset that may result in loss of data
under Windows and damage to the installation.
Watchdog monitoring times
The monitoring time can be configured with the DiagBase or DiagMonitor software.
Note
When you change the monitoring time, the change becomes effective
immediately.

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Siemens SIMATIC IPC677D Specifications

General IconGeneral
BrandSiemens
ModelSIMATIC IPC677D
CategoryIndustrial PC
LanguageEnglish

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