Sourcetronic ST500 Series - Chapter 4 Installation and commissioning; 4-4-2.Function description of main circuit terminal; 4-5.Control circuit terminals

Chapter 4 Installation and commissioning
23
Chapter 4
4-4-2.Function description of main circuit terminal
Terminal
Name
Explain
R
Inverter input terminals
Connect to three-phase power supply,
single-phase connects to R, T only (S has no screw)
S
T
Ground terminals
Connect to ground
P, RB
Braking resistor terminals
Connect to braking resistor
U
Output terminals
Connect to three-phase motor
Never connect to a single-phase motor
V
W
+, -
DC bus output terminals
Connect to braking unit
P, +
DC reactor terminals
Connect to DC reactor (removing the shorting block)
4-5.Control circuit terminals
4-5-1.Control circuit terminals arrangement
1. Control panel control circuit terminals
Figure 4-15: Control panel control circuit terminals
4-5-2.Description of control circuit terminals
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 (one
such potentiometer only) to 5kΩ (several allowed)
+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