Wiring
27
z The cable connected to the control terminal should leave away from the main
circuit and heavy current circuits (including power supply cable, motor cable, relay
and contactor connecting cable) at least 20cm and parallel wiring should be avoided.
It is suggested to apply perpendicular wiring to prevent inverter malfunction caused
by external interference.
4.6.2 Control circuit terminals
Terminal
No.
Function
S1~S4
ON-OFF signal input, optical coupling with PW and COM.
Input voltage range: 9~30V
Input impedance: 3.3kΩ
+24V
Provide output power supply of +24V.
Maximum output current: 150mA
AI1
Analog input: 0~10V
Input impedance: 10kΩ
AI2
Analog input: 0~10V/ 0~20mA, switched by J16.
Input impedance:10kΩ (voltage input) / 250Ω (current input）
GND
Common ground terminal of analog signal and +10V.
GND must isolated from COM.
+10V Supply +10V to inverter.
COM
Common ground terminal for digital signal and +24V (or external
power supply).
AO
Provide voltage or current output which can be switched by J15.
Output range: 0~10V/ 0~20mA
Y
Open collector output terminal, the corresponding common
ground terminal is COM.
ROA、ROB、
ROC
Relay output: ROA--common; ROB--NC, ROC—NO.
Contact capacity: AC 250V/3A, DC 30V/1A
4.6.3 Jumpers on control board
Jumper Function
J2, J4
Default setting: J2 and J4 are disconnected. It is prohibited to be
connected together, otherwise it will cause inverter malfunction.
J7
Default setting: 2 and 3 connected. Do not change default setting
otherwise it will cause communication malfunction.
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