West-control-solutions KS 92-1 Programmer manual Manuel d'utilisateur télécharger pdf (Page 20)

3.5.8 Self-tuning start

Start condition:

For process evaluation, a stable condition is required. Therefore, the

controller waits until the process has reached a stable condition after

self-tuning start.

The rest condition is considered being reached, when the process value

oscillation is smaller than ± 0,5% of (rnG.H - rnG.L).

For self-tuning start after start-up, a 10% difference from (SP.LO ... SP.Hi)

is required.

Self-tuning start can be blocked via BlueControl

(engineering tool) ( P.Loc).

Strt = 0 Only manual start by pressing keys Ù and È

simultaneously or via interface is possible.

Strt = 1 Manual start by press keys Ù and È simultaneously

via interface and automatic start after power-on and detection

of process oscillations.

Operation

Self-tuning 20 KS 90-1p / KS 92-1p

Ada LED status Signification

blinks Waiting, until process calms down

lit Self-tuning is running

off Self-tuning not activ

or ended

1200

1199

°C

°F

SP.2

SP.E

para

func

Ada

Err

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West-control-solutions KS 92-1 Programmer manual Manuel d'utilisateur Page 20