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CABLING AND CONNECTIONS vacon • 65

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6.2.2.2 Jumper selections on the OPT-A1 basic board

The user is able to customise the functions of the frequency converter to better suit his needs by selecting

certain positions for the jumpers on the OPT-A1 board. The positions of the jumpers determine the signal

type of analogue and digital inputs.

On the A1 basic board, there are four jumper blocks X1, X2, X3 and X6 each containing eight pins and two

jumpers. The selectable positions of the jumpers are shown in Figure 6-29.

Figure 6-28. Jumper blocks on OPT-A1

1 2 ... 77 78 79 80 81 82 83 84 85 86 87 ... 135 136

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Trend NX Variable Speed Drives Manuale Utente Pagina 82