INVT Goodrive170-PV Series - Page 15

Goodrive170-PV Series Solar Pump Inverter Installation guidelines
-11-
Terminal
Name
Function
R, S, T
AC input
3PH (1PH) AC input terminals, connected to the grid
Note: Use the screws equipped with the inverter for
wiring.
(+), (-)
PV DC input
Input terminals of photovoltaic panels.
U, V, W
Inverter output
3PH AC output terminals, connected to the pump
motor in most cases.
Safety
protection
grounding
Grounding terminal for safe protection; each machine
must be properly grounded.
3.2.2 Control circuit terminals
Category
Terminal
Name
Description
Power supply
24V
24V power supply
Used to externally provide
24V±10% power supply. Max.
output current: 200mA
Generally used as the the
working power supply of digital
input/output or the external
sensor power supply
COM
Common terminal
Digital input
S1
Forcibly switches to
power frequency
Terminal feature parameters:
1. Internal impedance: 3.3kΩ
2. 12–24V voltage input is
acceptable
3. Max. input frequency: 1kHz
S1: Forcibly switches to power
frequency (Switching-on
indicates switching to power
frequency, and switching-off
indicates input controlled by the
keypad.)
S2: It connects to the high water
level switch of NO contact by
default.
S3: It connects to the low water
level switch of NC contact by
default.
S2
Full-water alarm
S3
Empty-water alarm