FR200H Special Purpose Inverters for Multi-pumps Constant Pressure Water Supply
- 6 -
e: 110
~
315kW Main Circuit Terminals
Schematic
Fig.1-8 110
~
315kW
Main Circuit Terminals
Schematic
f:355-400kW Main Circuit Terminals
Fig.1-9 355
~
400kW
Main Circuit Terminals
Schematic
Table 1-2 main circuit terminal functions
Terminal marks
Functions
R/L1
、
S/L2
、
T/L3
AC power input terminals for connecting to 3-phase AC380V
power supply.
U/T1
、
V/T2
、
W/T3
AC output terminals of inverter for connecting to 3-phase
induction motor.
(+)
、
(-)
Positive and negative terminals of internal DC bus.
B
Connecting terminals of braking resistor. One end connected
to + and the other to B.
Grounding terminal
2.3.2 Control circuit terminals
Fig. 1-10 control circuit terminalsschematic
DI1
+24V
DI2
PLC
DI3
COM
DI4
DI5
COM
DI6
Y1
Y2
+10V
R1A R1B R1C
R2A R2B R2C
AO1
AI1
GND
AI2
485+
AI3
485-
PE
DI7/HI
AO2
GND