Chemtrac HydroAct HA4, User Manual

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4.1 PID Control 71
The display has a tab for each alarm and threshold. Navigate to the tab using the Right and Left
buttons or through the settings using the Up and Down arrows.
Options are:
Enabled
Selecting this option turns the alarm/threshold on or off.
Set The Value is used to trigger the alarm or threshold
4
. The Delay is the amount of time the value
has to exceed the set value before the alarm/threshold is triggered.
Delay The amount of time the value has to exceed the set point before the alarm/threshold is triggered.
HH:MM:SS up to 24 hours.
4.1.2.6 Boost Status
Selecting this will show the user the status of the boost function including the delay controls. Access
this information at:
Menu → Options → Boost Status
4.1.2.7 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.
Control enabled This flag is set if the control is enabled.
Control process stopped If this flag is set, the control is stopped due to the process run/stop signal
state.
Control started This flag is set when the control is started, i.e., the control is either in start-up or run
mode.
Control running This flag is set when the control is in run mode.
Primary Output pump output limit reached This flag is set when the primary output loop is limited
by the pump miniumum or maximum output settings.
Secondary Output pump output limit reached This flag is set when the secondary output loop (if
used) is limited by the pump miniumum or maximum output settings.
Tertiary Output pump output limit reached This flag is set when the tertiary output loop (if used) is
limited by the pump miniumum or maximum output settings.
4
A set value above a reset value will result in a rising alarm. A set value below a reset value will result in a falling alarm.