Delta Electronics 230V Series Welder User Manual


 
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
4.7k
4.7k
4.7k
4.7k
17V
Main Circuit Power
S/L2
T/L3
NFB
SA
OFF
ON
MC
MC
RB
RC
Recommended Circuit
when power supply
is turned OFF by a
fault output
R/L1
R/L1
S/L2
T/L3
E
17V
17V
17V
17V
17V
17V