14
7.7 Pre-programmed cycle
The pre-programmed cycle function activates by setting
or
in parameter 59
.
First option
: the controller reaches setpoint1 basing on the
gradient set in parameter 62
, then it reaches maximum power
up to setpoint2. When the process reaches maximum power, this
setpoint is maintained for the time set in parameter 63
. On
expiry, the command output is disabled and the controller displays
.
The cycle starts at each activation of the controller, or via digital input if
it is enabled for this type of functioning (see parameter 61
).
Second option
: start-up is decided only on activation of the
digital input, according to the setting of parameter 61
. On
start-up, the controller reaches setpoint 1 basing on the gradient set in
parameter 62
. When the process reaches this gradient, it is
maintained for the time set in parameter 63
. On expiry, the
command output is disabled and the controller displays
.
Time
Setpoint
Natural
cooling
Hold
Setpoint 1
Gradient
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