Powtran PI500-S Series - 4-3. Wiring Diagram; 4-3-1. Function Description of Main Circuit Terminal; 4-3-2. Control Circuit Terminals Arrangement

Chapter 4 Installation and commissioning
15
Chapter 4
Deflector
Cool wind
Hot wind
Figure 4-2 Heat insulation deflector up and down installation diagram
4-3.Wiring Diagram
Solar inverter wiring is divided by main circuit and control circuit. Users must properly
connect Solar inverter in accordance with the wiring connection diagram showing below.
4-3-1Function description of main circuit terminal
Terminal
Name
Explain
R
Inverter input terminals
Connect to three-phase power supply, single-phase
connects to R, T; solar power connect to R, T
S
T
Ground terminals
Connect to ground
P, RB
Braking resistor terminals
Connect to braking resistor
U
Output terminals
Connect to three-phase motor
V
W
+, -
DC bus output terminals
Connect to braking unit
P, +
DC reactor terminals
Connect to DC reactor(remove the shorting block)
4-3-2Control circuit terminals arrangement
Category
Symbol
Name
Function
Power
supply
+10V-
GND
＋10V power
supply
Output +10V power supply, maximum output current: 10mA
Generally it is used as power supply of external
potentiometer, potentiometer resistance range: 1kΩ to 5kΩ
+24V-
COM
+24V power
supply
Output +24V power supply, generally it is used as power
supply of digital input and output terminals and external
sensor.
Maximum output current: 200mA
PLC
External power
When external signal is used to drive, please unplug PLC