Installation Of Option Boards; Galvanic Isolation Barriers - Danfoss VACON NXP FI9 Operating Manual

Operating Guide | VACON® NXI Inverters FI9-FI14
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1 Minimum bending radius 50 mm
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Illustration 27: Fiber Optic Cabling for FI12 and FI14

7.5 Installation of Option Boards

For information on how to install the option boards, see the option board manual or VACON

7.6 Galvanic Isolation Barriers

The control connections are isolated from mains. The GND terminals are permanently connected to I/O ground. See
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).
Danfoss A/S © 2019.11
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2 Power module 1 ASIC board
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NX I/O Boards User Manual.
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Control Unit
illustration 28.