Reference Handling; Actual Value Scaling - ABB ACS355 User Manual

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Reference handling

The control of rotation direction is configured for each control location (EXT1 and

EXT2) using the parameters in group

bipolar, ie they can be negative or positive. The following diagrams illustrate how

group 10 parameters and the sign of the fieldbus reference interact to produce the

reference REF1/REF2.

The scaling of the integers sent to the master as Actual values depends on the

selected function. See chapter

Direction determined by

the sign of COMM

–[Max. ref.]

–[Max. ref.]

–[Max. ref.]

Actual signals and parameters

Fieldbus control with embedded fieldbus 311

START/STOP/DIR. Fieldbus references are

Direction determined by digital

command, eg digital input,

control panel

–[Max. ref.]

–[Max. ref.]

–[Max. ref.]

on page 175.

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