22
Operations and Monitoring
Example Wiring Diagram
MCCB or GFI
Power source,
3-phase or
1-phase, per
inverter model
Intelligent inputs,
5 terminals
Input wiring for
-MFU2 models
Input wiring for
-MFR2 models
Thermistor
Analog reference
Analog common
NOTE: For the wiring of intelligent I/O and analog inputs, be sure to use twisted pair / shielded cable.
Attach the shield wire for each signal to its respective common terminal at the inverter end only.
Breaker,
R
(L1)
S
(L2)
T
N(L3)
P24
Forward
1
Reverse
2
3
[5] configurable as
4
5
Logic input
common
L
Meter
FM
H
0–10VDC
O
4–20mA
OI
L
L100-M
U
(T1)
V
(T2)
W
(T3)
+1
24V
+
+
Input
–
circuits
–
discrete input or
thermistor input
AL1
AL0
AL2
Open collector outputs
Output
circuits
12
11
CM2
Motor
DC reactor
(optional)
Braking
unit
(optional)
Alarm contacts,
type 1 Form C
Run signal
Load
Freq. arrival signal
Load
+
–
Logic output common