For Sales and Support, Contact Walker EMD • Toll-free: (800) 876-4444 • Tel: (203) 426-7700 • Fax: (203) 426-7800 • www.walkeremd.com
NFX9000 Adjustable Frequency Drives
MN04002003E
For more information visit:
www.EatonElectrical.com
2-1
February 2006
Chapter 2 — Power and Control Wiring
Basic Wiring
Users must connect wiring according to the circuit diagram shown in
Figure 2-1
. Please
follow all national and state wiring codes when wiring the drive.
Figure 2-1: Basic Wiring
Note:
Do not plug a modem or telephone line into the RS-485 communication port or
permanent damage may result. Terminals 1 and 2 are the power source for the optional
copy keypad and should not be used while using the RS-485 communication.
U/T1
6
←
1
RS-485
Communication
Port
RA
RC
Relay Output Contacts
120V AC/28V DC 3A
Factory Default: Fault Indication
Main Circuit
(Power) Terminals
1 : +EV
2 : GND
3 : SG-
4 : SG+
+18V
Factory Default Settings
D1
4.7 K
Ω
Forward/Stop
RJ-11
V/T2
Motor
W/T3
R/L1
S/L2
T/L3
R/L1
S/L2
T/L3
IM
3-Phase
Control Circuit
Terminals
Shielded Leads
+18V
D2
4.7 K
Ω
Reverse/Stop
+18V
D3
4.7 K
Ω
Reset
+18V
D4
GND
4.7 K
Ω
Multi-Step 1
Common Signal
Power Supply for Potentiometer
+10V 10 mA (Max.)
+10V
Master Freq. Setting
3
2
Analog Voltage
0 ~ 10V DC
Analog Current
4 ~ 20 mA
AVI
GND
1
VR
VR: 3 – 5
K
Ω
