Using Transistors For Input Signals And A 0-V Common In Sinking Mode With An Internal Power Supply - YASKAWA Varispeed G7 Instruction Manual

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 internal +24-V power supply.
MCCB
R
3-phase power
S
T
Forward Run/Stop
Reverse Run/Stop
External fault
Fault reset
Multi-function
contact inputs
Multi-step
Factory
speed setting 1
settings
Emergency stop
(NO contact)
Pulse train input
Frequency
setter
External
frequency
2 k Ω
references
Frequency setting
adjustment
2 kΩ
3
0 to +10 V
2
1 P
4 to 20 mA
P
Fig 10.14
+ 1 + 2 -
B1
U/T1
R/L1
S/L2
V/T2
Inverter
T/L3
W/T3
S1
S2
S3
S4
S5
S12
CN5 (NPN setting) +24 V 8 mA
SC
+24 V
E(G)
Shield wire
connection terminal
RP
Master speed pulse train
0 to 32 kHz (3 kΩ)
High level: 3.5 to 13.2 V input
Frequency setting power
+V
+15 V 20 mA
A1
Master speed reference
0 to 10 V (20 kΩ)
A2
Master speed reference
AC 4 to 20 mA (250 Ω)
0 to 10 V (20 kΩ) input
0 V
Wiring Examples
B2
Motor
IM
Ground
10-
10
25