Chemtrac HydroAct HA4, Руководство пользователя

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90 Chapter 5. Outputs
System Status Options are “Normal”, “Alarm Active” or “Alarm Acknowledged”
5.2.3.9 Status Flags
The status flags show the state of a device. These flags can either be active or not. To see the state of
these status flags, select:
Options
→
Device Flags
→
Status Flags
Flags that are active are shown in black text on a white background, those that are not active are
grayed out. Available flags are:
Display on main menu When active the device tile is displayed on the main menu. If inactive, the tile
is hidden in the default view.
Relay polarity This reflects the relay polarity, if set the relay is normally closed.
Relay output state This reflects the relay activation state. Taken together with the relay polarity above,
it is possible to determine if the relay is open or closed.
5.2.3.10 Error Flags
The error flags show any problems causing an error for a device. These flags can either be active or
not. To see the state of these error flags, select:
Options → Device Flags → Error Flags
Flags that are active are shown in black text on a white background, those that are not active are
grayed out. Available flags are:
Output mapping error This indicates that one of the outputs is mapped incorrectly e.g., mapped to a
sensor or control that no longer exists.
5.2.3.11 Test Output
It is possible to test a relay. The relays polarity and active state can be manually changed. Leaving this
configuration screen will return the relay to its previous state. To do this navigate to:
Options
→
Test Output