Danfoss Vacon NXP Series - Installation of Option Boards; Galvanic Isolation Barriers

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Illustration 38: OPTA3
7.4 Installation of Option Boards
For information on how to install the option boards, see the option board manual or VACON
®
NX I/O Boards User Manual.
7.5 Galvanic Isolation Barriers
The control connections are isolated from mains. The GND terminals are permanently connected to I/O ground. See
illustration 39.
The digital inputs on the I/O board are galvanically isolated from the I/O ground. The relay outputs are also double-isolated from each
other at 300 VAC (EN-50178).
Control Unit
Operating guide | VACON® NXS/NXP Air-cooled
DPD00910G | 83
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