Instruction Manual ColorPlus 3
Settings
52
14501E/2
8.3.1
Upper and lower threshold value of a limit
A maximum of eight limits with upper and
lower threshold can be programmed.
If the operating mode is set to
Exceeded
(Figure 22), then while the upper threshold is
exceeded the limit is active and remains ac-
tive until the lower threshold is again under-
shot.
If the operating mode is set to
Undershot.
,
then while the lower threshold is undershot
the limit is active and remains active until the
upper threshold is again exceeded.
Figure 22: Threshold diagram
Measuring value
Upper threshold
Lower threshold
Time
Limit active
Limit passive
8.3.2
Reading if limit exceeded or undershot
If a limit event occurs during operation, it has the fol-
lowing effects on measuring mode:
Threshold value display indicates an unusual
state.
If an output for the corresponding limit channel
is programmed, it is switched.
If the message
Limit
appears, the color of the status
display changes to
white
and the numbers of the
limit channels are listed with their channel numbers
in
red
if limits have been exceeded or undershot.
Inactive limits are indicated with
"
_
".
