Code Alarm CA-535 Manual de usuario descargar pdf (Pagina 56)

535 User's Manual Chapter 5 49

Controller Set Up

Access Set Up Return to Operation Next menu Next parameter Next value Access Tuning Return to Operation

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4. OUT. STEP

Defines the output step size in absolute percent during a TYPE 2 or TYPE 3

pretune.

R –50% to 50.0%

D 10.0%

5. LOW LIMIT

Defines the lower most limit the process variable can reach during pretune

before aborting.

R Any value in the process variable range

D Dependent on the process variable range

6. HI LIMIT

Defines the upper most limit the process variable can reach during pretune

before aborting.

R Any value in the process variable range

D Dependent on the process variable range

7. TIMEOUT

This defines the execution time limit for pretune before aborting.

R 8 to 1500 minutes

D 1500 minutes

8. MODE

Defines the control mode after pretune is completed or aborted.

• MANUAL

D AUTOMATIC

9. NOISE BND.

Defines the noise band to be used by the adaptive tuning algorithm.

R 0.1% to 10% of the process variable range

D 0.2%

10. RESP. TIME

Defines response time to be used by the adaptive tuning algorithm.

R 10 to 32000 seconds

D 7200 seconds

11. DEAD TIME

Defines the amount of time required for process to begin to respond to an output

change (used by POWERBACK algorithm).

R 0.1 seconds to 7200.0 seconds

D 0.1 seconds

TIMEOUT

1500

MODE

AUTOMATIC

NOISE BND.

0.2

RESP. TIME

OUT.STEP

10.0

LOW LIMIT

(D)

HI LIMIT

(D)

DEAD TIME

0.1

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Code Alarm CA-535 Manual de usuario Pagina 56

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