Keller ITS CellaCast PT 18 Series, Operating Manual, Page: 23 / 52

Operating Manual PT 18x
19
Parameter Function
Auto reset (
A.RST
): Auto reset on/off
11.1.6 Li2 check on tAct [
CH.L.2
]
When this parameter is set to ON (
CH.L.2
=on), the detected tempera-
ture must exceed Limit 2 during the entire measuring time (
TACT
) in
order for the pyrometer to generate a valid temperature reading. If, for
example, the material flow is interrupted or the target object moves out-
side of the measurement field, the temperature reading will be rejected.
The pyrometer will indicate
„
----
„ (invalid temperature value).
Parameter Function
Li2 check on tAct
(
CH.L.2
)
on/off
12 Setting Parameters at the device
In addition to the configuration possibilities described in chapter 11,
many parameters can be adjusted at the rear panel using push buttons.
These settings can be accessed via configuration layers.
12.1 Configuration layers
The configuration layers are structured as follows:
 C001
Temperature measurement via two-colour/ratio mode
 C002
Temperature measurement via Lambda 1

C003
Temperature measurement via Lambda 2
 C010
I/O configuration
 C011
General functions

C020
Display temperature readings
The following chart lists all parameters. In the factory default configura-
tion, certain parameters and configuration layers will not be accessible
by control key. This is meant to simplify pyrometer operation for the user.
These parameters are indicated by

. If required, remote access to
these parameters can be enabled via PC interface or at configuration
layer
C011
. Open the user calibration menu (Menu mode: Full).
Some parameter settings will be hidden if their basic function has been
deactivated. For example, you will not be able to adjust the smoothing
time of the filter if the filter has been turned off or switched to automatic
mode.