Specifications

VFD-G Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
3-2
3.1 Basic Wiring Diagram
Users must connect wires according to the following circuit diagram shown below. Do not
plug a Modem or telephone line to the RS-485 communication port, permanent damage may
result. Pins 1 & 2 are the power sources for the optional copy keypad and should not be
used while using RS-485 communication.
NFB
R/L1
S/L2
T/L3
NFB
SA
OFF
ON
MC
RB1
RC1
FWD
EF
MI1
MI2
MI3
MI4
DCM
+24V
FWD/STOP
Digital Signal Common
+1 +2
-
U/T1
V/T2
W/T3
IM
3~
Motor
RA1
RB1
RC1
240VAC 2.5A
120VAC 5A
28VDC 5A
*Don't apply the mains voltage
directly to above terminals.
Sw1
Sink
Source
RS-485
Serial interface
61 ←
Recommended Circuit
when power supply
is turned OFF by a
fault output
MC
V
FD-G
E.F.
Multi-step1
Multi-step2
Multi-step3
Multi-step4
Factory
default Multi-function
input
terminals
Factory default: disable
Multi-function indication
output contacts
NOTE:*1-3 are optional.
Jumper
DC Reactor*1
Braking
Resistor*2
PN
B1
B2
VFDB
Braking
Unit*3
R/L1
S/L2
T/L3
+12V
ACM
AC1
AI1
0~10V
0~1A
Analog Signal Common
V
SW2
0-1A
0-10V
A
AC2
AI2
0~10V
0~1A
Analog Signal Common
V
SW3
0-1A
0-10V
A
1: Reserved
2: GND
3: SG-
4: SG+
5:
6:
Reserved
Reserved
Main circuit (power) terminals
Control circuit terminals
AFM2
Factory default: output current
AFM1
AOM
Factory default: output frequency
0~10VDC/2mA
Analog Signal Common
Multi-function Analog
output terminal
E
REV
REV/STOP