Siemens Ardoptix PT 140 AF1, Operating Manual, Page: 27 / 68

s
Operating manual
19
Threshold limits
The start of a measuring cycle is determined automatically and is de-
pendent on the following variables:
Parameter Function
Limit 1 (
LI. 1
) Before beginning the measurement, the
temperature reading must have been lower
than Limit 1 at least once.
If Auto reset is activated (
A.RST
=
ON
),
Limit 1 will be ignored
Limit 2 (
LI. 2
) Limit 2 must be exceeded at least for the
duration of the time delay (
T.DEL
).
Time Delay (
T.DEL
): See Limit 2
When the conditions are fulfilled, the sampling time can begin (
T.ACT
).