Carel plug-in User Manual page 42

Electronic digital thermostat with defrost control
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8.2.4.1 Accessing and modifying type t parameters
The method for displaying and modifying the added parameters present in the options (t parameters) is different from that used for
the standard parameters on the instrument. The main difference is the fact that all the t parameters are scrolled only using the
button and not the Up and Down buttons. The procedure is the following:
access the parameters of the expansion module. Select parameter t using the standard operation for the plug-in instrument:
1. press the
button for 5 seconds to access the first level parameters;
2. if parameter t is visible at the first level (F parameters), scroll the parameters using the
parameter t is selected;
3. if the parameter is not visible at the first level, access the second level (C parameters) by entering the correct password
and then select t, as in point 2.
Warning: for further information, refer to the chapter PARAMETERS - MODIFICATION.
Transfer from the expansion module, with parameter t displayed, of the complete description of the first parameter displayed
on the instrument (for example, t S for the baud rate):
1. press the
button to display the value of the parameter;
2. use the
and
3. press the
button again to confirm the modified value and exit the display of the value;
4. the module then brings up the next parameter, and displays its the description (for example, t 0 for the static address);
5. repeat points 1 2 and 3 to display and if necessary modify the value;
6. pressing the
repeatedly scrolls all the parameters which can be displayed; after the last parameter the display starts
from the first again.
The display of t parameters is exited as follows:
1. by time-out, after 30 seconds inactivity of the buttons;
2. when displaying the description of a t parameter, pressing the
parameter on the plug-in instrument.
The parameters on the module are saved immediately, and does not require confirmation by pressing the
When modifying the value, two segments of the left-most digit signal that the minimum and maximum values have been exceeded
(segments 1 and 2 in Fig. 8.2.4.1.1). If an out-of-range value is
confirmed, the maximum or minimum value is saved, according
to whether the upper or lower limit has been exceeded.
Cod. +030221881 rel. 1.5 - 26/10/10
buttons to modify the value displayed, increasing or decreasing it respectively;
or
button moves to the next or previous
1
2
42
or
buttons until
button for 5 seconds.
Fig. 8.2.4.1.1
plug-in

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