Main Circuit Connection; Terminal Explanations - Delta Electronics AC Drive VFD-F Series User Manual

VFD-F Series

3.3 Main Circuit Connection

Figure 1 for the main circuit terminals
Non-fuse breaker
R
S
T
Figure 2 for the main circuit terminals
Non-fuse breaker
(NFB)
R
S
T

Terminal Explanations

Terminal Symbol
R/L1, S/L2, T/L3
U/T1, V/T2, W/T3
+1,+2
+2/B1~B2
+2~ -,+2/B1~ -
(NFB)
MC
MC
R(L1)
S(L2)
T(L3)
E
AC line input terminals
AC drive output terminals motor connections
Connections for DC Link Reactor (optional)
Connections for Brake Resistor (optional)
Connections for External Brake Unit (VFDB series)
Earth Ground
Brake Resistor
(Optional)
+1 +2/B1 B2
R(L1)
S(L2)
T(L3)
E
Brake Resistor (Optional)
VFDB
+2
+1
U(T1)
V(T2)
W(T3)
Explanation of Terminal Function
3-6
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-
U(T1)
V(T2)
W(T3)
E
-
Motor
IM
3~
E
Motor
IM
3~