Input Description

EN   BOOL \   (enable \ block)

In order to enable the Function Block processing, input EN has to be continuously set to TRUE. The block is not processed if input EN = FALSE.

While input is set to TRUE, the inputs are continuously checked for validity and plausibility. If this is not the case, processing is aborted and corresponding error is displayed at output ERR/ERNO.

POS_CALC   REAL \   (position_calculated)

Calculated sun position.

POS_ACT   REAL \   (position \ actual)

Actual position of Solar Tracker.

TRACK_ERR   REAL \   (track \ error)

Value of track error allowed.

FOLLOW_OFFSET   REAL \   (follow \ offset)

Indicates that tracking has an offset concerning to real calculated sun position.

GO_TO_POS_REF   BOOL \   (go \ to position reference)

Boolean expression that enables position control block.

POS_REF   REAL \   (Posistion_Reference)

Desired position value to locate the tracker.