5
vacon • 68 Installation
Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205
5.4 Control unit
The control unit of Vacon
®
NX Active Front End consists of the control board and option boards (see
Figure 49 and Figure 50) connected to the five slot connectors (A to E) on the control board.
The control board is connected to the power unit through a D connector (1).
Figure 49. Control board Figure 50. Basic and option board
connections on the control board