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HP E1459A SCPI Command Reference 41
DIAGnostic:SYSReset Subsystem
The DIAGnostic:SYSReset Subsystem controls and monitors the Watchdog Timer.
Refer to Chapter 1 for detailed information on the Watchdog Timer.
Syntax DIAGnostic:SYSReset
[:STATe]? page 41
:ENABle <state> page 41
:ENABle? page 42
DIAGnostic:SYSReset[:STATe]?
Returns the value of the Watchdog Timer state from the Watchdog Timer Control /
Status Register.
Parameters None
Comments • Returns a 1 if the Watchdog Timer is asserted; returns a 0 if the Timer is not
asserted.
• Reading this register resets the Watchdog Timer.
• If the Watchdog timer is enabled, the state of the timer MUST be read before
the Watchdog time elapses. If the state is not read before the time elapses, the
Watchdog Timer asserts the VXIbus SYSRESET line.
DIAGnostic:SYSReset:ENABle <
state
>
Turns the Watchdog Timer ON or OFF.
Parameters
Comments • A 0 or OFF turns the Watchdog Timer off; a 1 or ON turns the Timer on.
• CAUTION: When the Watchdog Timer is enabled (ON), the VXIbus
backplane SYSRESET line is asserted if the Watchdog Timer is allowed to
elapse. The Watchdog Timer is reset each time the state of the Timer is read by
the DIAG:SYSR:STAT? command.
Example DIAG:SYSR:ENAB ON
Turns Watchdog Timer on
Parameter Name Parameter Type Range of Values Default
<
state
> numeric or discrete 0, 1, OFF, ON 0, OFF