Wiring Examples
10-
27
10
Using Transistors for Input Signals and a 0-V Common in Sinking Mode
with an Internal Power Supply
Set CN5 (shunt connector) on the control board to NPN as shown below for a sequence that uses an NPN tran-
sistor for an input signal (0-V command and sinking mode) and an in24-V power supply.
Fig 10.14
Inverter
U/T1
V/T2
W/T3
IM
Ground
P
P
4 to 20 mA
0 to +10 V
Pulse train input
RP
+V
A1
A2
AC
0 V
Master speed pulse train
0 to 32 kHz (3 k
Ω
)
0 to 10 V (20 k
Ω
)
4 to 20 mA (250
Ω
)
0 to 10 V (20 k
Ω
) input
High level: 3.5 to 13.2 V input
Frequency setting power
+15 V 20 mA
Master speed reference
Master speed reference
Frequency setting
adjustment
Frequency
setter
2 k
Ω
External
frequency
references
2 k
Ω
2
1
3
3-phase power
T/L3
S/L2
R/L1
MCCB
T
S
R
E(G)
Shield wire
connection terminal
-
B2
B1
+ 1
+ 2
+24 V 8 mA
Multi-step
speed setting 1
Baseblock
command
Forward Run/Stop
Reverse Run/Stop
External fault
Fault reset
S5
S8
SC
S1
S2
S3
S4
CN5 (NPN setting)
Multi-function
contact inputs
Factory
settings
Motor
+24 V
