Micromod MOD: Modcell 2050R Users Guide Manual do Utilizador descarregar pdf (Página 169)

IB-23C650

TUNING

Table 13. Autotune Procedure

Middle

Display

Bottom

Display

Entry Description

PROC HI 100

Valid values are:

-2997 or PROC LO

+3 to 30000.

Remember, the range shown is for the units

decimal position.

The process value must be between the high

and low trip-point values when autotune is

activated. If the process value exceeds one of

these, the autotune cycle will shut itself off by

going to the manual mode and returning the

controller output to the value it was at when

autotune was activated. These high and low

values are desired trip-points for canceling

autotune execution.

PROC LO 0. Valid values are:

–30000 to 29997 or PROC HI

–3 .

TUNE PID

= PID tuning

= PI tuning

xxx

Process

Value

AUTOTUNE Autotune execution proceeds automatically.

No operator activity is required unless a failure

or caution message appears. See Autotune

Completion description.

AUTOTUNE CAUTION Autotune execution completed and new tuning

constants are being used, but an

INCREASE

STEP SIZ

, or a RESPONSE LIMITED

message follows.

163

1 2 ... 164 165 166 167 168 169 170 171 172 173 174 ... 227 228

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