Omron DeviceNet 3G8F7-DRM21-E, Руководство по эксплуатации

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96
Maintenance API Functions
Section 4-7
Description Refer to 7-3 Error Log Function for details on the error log function such as the
meaning of error codes.
Error logs not saved to non-volatile memory are held only in open status. The
error log is cleared when the Board is closed, the power turned OFF, or the
Board is reset. Error logs saved to non-volatile memory can be read again
even after the Board is re-opened or restarted.
Clearing an Error Log: SCAN_ClearErrorLog()
Application Range Open status
Function Clears the error log from the specified Board.
Call Format BOOL SCAN_ClearErrorLog(DWORD Handle )
Arguments
Return Value TRUE is returned if the error log data was successfully cleared from the spec-
ified Board. FALSE is returned if an error occurred. Detailed error information
can be read with the GetLastError() function.
Description Clears the error log stored in non-volatile memory.
4-7-3 PC Watchdog Timer Service API Functions
Setting the PC WDT: SCAN_EnablePCWDTTimer()
Application Range Open status
Function Enables or disables the Board’s PC watchdog timer management function.
Call Format BOOL SCAN_EnablePCWDTTimer(DWORD Handle , BOOL Enable , WORD
Timer )
Arguments
Return Value TRUE is returned if the processing was completed normally. FALSE is
returned if an error occurred. Detailed error information can be read with the
GetLastError() function.
Description Refer to 3-11 PC Watchdog Timer Management Function for details on the
PC watchdog timer management function.
Refreshing the PC WDT: SCAN_RefreshPCWDTTimer()
Application Range Open status
Function Refreshes the PC watchdog timer’s timer value in the specified Board.
Call Format BOOL SCAN_RefreshPCWDTTimer(DWORD Handle)
Type Name Contents
DWORD Handle Device handle obtained by SCAN_Open()
Type Name Contents
DWORD Handle Device handle obtained by SCAN_Open()
BOOL Enable PC watchdog timer setting
TRUE: Enabled (PC-WDT is used.)
FALSE: Disabled (PC-WDT is stopped.)
WORD Timer Monitoring time setting
0x0 to 0xFFFF (0 to 65535) (Monitoring time = Set
value
×
10 ms)