FCT 09
5-12
System Software
where x is the quantity being integrated, and
∆
t is the time between readings.
At the end of the integration, the non-peak area is subtracted according to
A =
∆
t
Σ
X
i
- (t
e
- t
s
)[(X
e
- X
s
)/2]
where t
s
and t
e
are starting and ending times, and X
s
and X
e
are starting and
ending values of x (Figure 5-2). Channel 46 displays this value, which will
remain constant until the next integration is started.
X
t
x
s
t
s
∆
t
t
e
x
e
Threshold value
A =
∆
t
Σ
x
i
Non peak
t
t
x
x
e
s
s
e
=
−
(
)
+
2
Figure 5-2. Accumulating total area A and non-peak area.
Channel 47 displays the peak value of the target channel during integration.
*09x,start,[start value],stop,[stop value]
(x is channel
code 22-29, or 32-39 to be integrated, and [ ] denotes optional start and
stop values). The [start] value is required only if start = 2, and the [stop]
value is required only if stop = 2 or 3.
Start
Description
Stop
Description
1
On Exit
1
Manual
2
Threshold
2
Threshold
3
Elapsed Time