PMA KS 50 Mode D'emploi page 16

: after self-tuning, the values remain as adjusted before self-tuning,
2-point / 3-point controller
only if the controller calculates smaller values,
logic output
: A self-tuning attempt starts only, after the process is at rest. The
waiting time is dependent of process speed.
Process at rest
’Cooling attempt’
M
. The controller continues controlling with the old parameter values.
electrical heating with contactor: 2-point controller, inverse
electrical cooling with contactor: 2-point controller, direct
electrical heating and cooling with contactors: 3-point controller
process with small Tu and very low vmax: signaller (self-tuning omitted)
- (set-point range), Xh =
SPH SPL
: and
t1
: ’heating’ and ’cooling’ are possible simultaneously.
M
If the attempt was started manually
, display of
are temporarily set to very low values.
t2
t1
: cancellation is always possible by
: the controller cancels, when successful
stops.
AdF
-
InH InL
and are decreased.
t2
,
AdF
i
).
AdF
(control range)
With
is displayed
direct).