26
Fig 15 Setpoint adjustment from the display mode
To adjust an alarm setpoint select 'SP1' or 'SP2'
and press
P
which will reveal the current setting.
Each digit of the setpoint may be adjusted using
the
▲
and
▼
push buttons, and the
P
button to
move control to the next digit. When the required
setpoint has been entered, pressing
E
will return
the display to the 'SP1' or 'SP2' prompt from which
the other setpoint may be selected, or the indicator
may be returned to the display mode by pressing
E
again.
Note:
With the indicator in the display mode, direct
access to the alarm setpoints is only available
when the ACSP
menu is enabled - see section
9.4.12
9.4.14 Displaying setpoints on BA327NE
bargraph
One of the selectable bargraph formats ‘AlrSP’
allows a low or a high setpoint plus the displayed
value to be represented, or a low and a high
setpoint plus the displayed value to be represented
by the bargraph as shown in Fig 16.
Fig 16 Displayed value and setpoints on bargraph
The bargraph area below the low alarm setpoint
and the area above the high alarm setpoint are
activated. The displayed variable is represented
by an activated bar which moves between these
low and high alarm setpoints.
When the activated bar representing the displayed
variable is adjacent to the area representing the
low or high alarm setpoints, the bar flashes.
When a displayed variable equals the low or high
alarm the complete bargraph representing the
activated alarm flashes irrespective of whether the
alarm output has been delayed or cleared.
For this function to operate SP1 must be
conditioned as a low alarm and SP2 as a high
alarm; SP1 must always be less than SP2.
Incorrect configuration is shown by a flashing
bargraph scale with no activated bars.
