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4�7�- INPUTS

TheComputer SMART III FASTcomprisestwodigitalinputs(terminals31and32ofFigure

2)foractivatinganyofthefourtarget cos φ,inotherwords,thedesiredpowerfactorforthe

installation,whichcanbeprogrammedintheunit�See“5.3.- TARGET COS φ”

Table 10: Selection of the target cos φ.

Digital input 2 Digital Input 1

Target cos φ

0 0 1

0 1 2

1 0 3

1 1 4

Onthedisplay,the iconindicateswhichofthe4possibletargetcosineswasselected�

4�8�-OUTPUTS

Theunitfeatures:

 Arelay(terminals37and38ofFigure 2)dedicatedtoactivatingafanwhenapre-de-

terminedtemperatureisexceeded,whichcanbeprogrammedin "5�15�- FAN”,isalso

connectedtotheFanLED�

 Afullyprogrammablealarmrelay(terminals39,40and41ofFigure 2),see 

“5.19.- ENABLING ALARMS”

 Twodigitaloutputs,fullyprogrammableoptoisolatedNPNtransistors(terminals34,

35and36of Figure 2),see“5.19.- ENABLING ALARMS”

Computer SMART III FAST 6model:

 SixoptoMOSrelayoutputs(terminals15��21ofFigure 2)fortheregulationofcosφ

viacapacitors�

Computer SMART III FAST 12model:

 TwelveoptoMOSrelayoutputs(terminals15��27ofFigure 2)fortheregulationof

cosφviacapacitors�

Instruction Manual

Computer SMART III FAST

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Circutor computer SMART III-Fast Series Manuale Utente Pagina 57