Mts Multi-Pump Control Manager Remote Human-Machine In Manual de usuario Pagina 20

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Remote Human Machine Interface
18
Status Screen
Operation
Status Screen
The Status screen is displayed by pressing the Status button on the Main screen.
The following table describes the pushbuttons and indicators on the Status
screen.
Name and Location Description
Watchdog
Indicator. Used to indicate the status of the watchdog timer.
Watchdog - gray (OK): Indicates the PLC that controls the HPU is
operating normally.
Watchdog - red (fault): Indicates there is a problem with the
hardware watchdog timer and the PLC is not operating correctly.
A watchdog fault cause the HPU to shutdown. See, “Watchdog
Fault” on page 29 to attempt to recover from this fault condition.
Reset
Pushbutton /Indicator. Used to reset interlocks.
Reset - gray: Indicates no active interlocks.
Reset - blue: Indicates one or more interlocks are active. Pressing
the button in this state will clear the interlock(s) provided the
cause of the interlock(s) has been remedied.
Emergency Stop
Indicator. Used to indicate whether the safety relay is tripped.
E-Stop - gray (OK): Indicates the safety relay has not tripped.
E-Stop - red (fault): Indicates the safety relay has tripped. The
cause of a safety relay trip is either the main panel E-stop button,
an external e-stop button, or the HPU watchdog timer.
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