FCT 09
System Software
5-11
09 Integrate
This function allows the area under a peak to be computed. When you press
FCT 09, you are prompted for the following parameters:
Prompt
Description
Source Ch=
Channel code of the quantity to be integrated.
Start =
On Exit
Thrsh
{
When to start the integration. ‘On Exit’ will start
the integration immediately. ‘Thrsh’ will start the
integration when the selected channel rises above
the threshold value.
Thrsh= 0.0
If Start=Thrsh was selected above, you are
prompted to enter the starting threshold value.
Stop =
Manual
Elaps tm
Thrsh
{
When to stop the integration. ‘Manual’ will cause
the integration to continue until FCT is pressed, or
until a * (asterisk) is received from the remote
terminal. ‘Elaps tm’ (elapsed time) will cause the
integration to run for the specified number of
seconds. ‘Thrsh’ will cause the integration to
continue until the target channel value drops below
the threshold.
NOTE
: Pressing FCT, or receipt of
a remote command (*) will always stop the
integration. Pressing the display keys (1-9) will not
stop the integration.
Elaps tm(s)=
If ‘Stop=Elaps tm’ was selected, you are prompted
to enter the elapsed time, in seconds.
Thrsh=
If ‘Stop=Thrsh’ was selected, and ‘Start=On Exit’,
you are prompted to enter the threshold value.
During the integration, channel 46 shows the accumulating total area A
under the curve, as approximated by
A =
Σ
x
∆
t
