Delta Electronics VFD007S23A Manuel D’Utilisation

Chapter 2 Installation and Wiring|VFD-S Series

2-18

Revision August 2006, SE08, SW V2.61

For VFDXXXSXXA/B/D/U

4.7k

47K

Grounding resistance
less than 100

4.7k

17V

Main Circuit Power

S/L2
T/L3

NFB

OFF

Recommended Circuit
when power supply
is turned OFF by a
fault output

R/L1

R/L1
S/L2

T/L3

17V

17V