Inverter AT1, AT2, AT3, AT4 Operating Instruction
Inverter
AT1--Single-phase to three-phase
AT2--Single-phase to single-phase
AT3--Three-phase to three-phase
AT4--Single-phase to three-phase
AT Simple general series
High performance and low noise/
Mini AC motor driver
Charter 1 Installation and wiring
1. Main circuit terminal and function description
(1) Single-phase to three-phase for AT1 AT4
Terminal |
Function description |
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L, N |
Single phase AC 220V input terminal |
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U, V, W |
Output terminal connect to Three phase |
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(220V-AT1) (380V-AT4)AC motor |
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GND |
Grounding terminal |
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(2) Single-phase input and output (for AT2)
Terminal label |
Function description |
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L, N |
Single phase AC 220V input terminal |
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U, V, W |
Output terminal connect to Single |
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phase 220V AC motor |
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GND |
Grounding terminal |
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(3). Three-phase input and output (for AT3)
Terminal |
Function description |
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label |
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R,S,T |
Three phase AC 380V input terminal |
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U, V, W |
Output terminal connect to Three phase |
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380V AC motor |
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GND |
Grounding terminal |
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2. Terminal description
Port |
Functional |
Instructions |
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15V/24V |
15V/24V power output |
200mA15V/24V output |
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X6 |
Input port6 |
Short Port X6 and COM input signal |
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(Reversing switch) |
effective |
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X5 |
Input port 5 (Reverse |
Short Port X5 and COM input signal |
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rotation Control switch) |
effective |
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X4 |
Input port 4(Forward |
Short Port X4 and COM input signal |
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rotation Control switch) |
effective |
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X3 |
Input port 3(section- |
Short Port X3 and COM input signal |
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speed 3) |
effective |
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X2 |
Input port 2(section- |
Short Port X2 and COM input signal |
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speed 2) |
effective |
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X1 |
Input port 1(section- |
Short Port X1 and COM input signal |
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speed 1) |
effective |
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485+/485- |
485 communication port |
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3
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Port |
Functional |
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Instructions |
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COM |
Common GND |
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VL1 |
External analog voltage |
0-5V/10V Analog voltage input |
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input |
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CI |
External current signal |
4-20mA Current input |
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input |
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SP1 |
Open-collector output 1 |
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SP2 |
Open-collector output 2 |
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5V/10V |
5V/10V power output |
supply 5V/10V 20mA power output |
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TC |
Relay output C |
250VAC 5A/30VDC 3A |
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TB |
Relay output B |
TA and TB Normal Close ,TA and TC |
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Normal Open |
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TA |
Relay output A |
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3. Multi-speed input Frequency control table |
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Section |
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Section |
Section |
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Original |
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speed input 1 |
speed input 2 |
speed input 3 |
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Frequency |
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Main Speed |
1 |
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1 |
1 |
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50 |
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Section speed 1 |
1 |
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1 |
0 |
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45 |
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Section speed 2 |
1 |
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0 |
1 |
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40 |
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Section speed 3 |
1 |
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0 |
0 |
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35 |
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Section speed 4 |
0 |
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1 |
1 |
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30 |
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Section speed 5 |
0 |
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1 |
0 |
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25 |
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Section speed 6 |
0 |
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0 |
1 |
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20 |
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Section speed 7 |
1 |
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1 |
1 |
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15 |
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Note |
0 means input Port connect with COM, 1 means |
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disconnect. |
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4
4.Basic operation wiring diagram
(1)Single-phase input three-phase output (for AT1 )
(Three phase 220V, if 380V Star-connection method needs to change to the 220V Delta-connection method)
5
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