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DVS3422 is full digital 3 phase stepper motor drive based on advanced DSP control. Designed and Produced by marketing demands. The circuit that it adopts is similar to the circuit of servo control which enables the motor run smoothly without noise and vibration. The voltage ranges from 120V to 270VAC. It is designed for use with the 3 phase hybrid stepper motor of all kinds with 57mm to 130mm outsider diameter, related phase current from 2.2A to 4.8A.
♦ 16 channels constant angle, constant torque mircsteps,upmost microstep: 60000ppr
High response frequency: 200Kpps
♦ Current of winding will be reduced by approximately 50% when no step pulse command is received for 1.5 seconds.
♦ Opto-isolated signal I/O
♦ Drive current is adjustable in 16 channels from 2.2A/phase to 4.8A/phase
♦ Single power supply from 120V to 260VAC
♦ Dimension: 178*67*108mm3 Net Weight: 1kg

DVS 3 4 22
A B C D
A DVS: DVS motor drive
B Output Phase: 3 Phase motor drive
C Max Output Current: 4.8A
D Rated Input Voltage: 220V
Notice: The max input voltageb of the motor drive has been improved to 260V



| Symbol | Function | Definition |
| 5PU+ | Positive of opto-isolated input signal | Connect to +5V power supply,drive voltage ranges from +5V to +24V.Current limiting resistance is needed when it is over +5V. |
| PU- | DP9=OFF,PU is step pulse signal | With the falling edge of the signal PU, the motor execute an angular step. The input resistance is 220Ω. Low voltage 0-0.5V,high voltage 4-5V,pulse width>2.5μs. |
| DP9=ON,PU is positive step pulse signal | ||
| 5DR+ | Positive of opto-isolated input signal | Connect to +5V power supply,drive voltage ranges from +5V to +24V.Current limiting resistance is needed when it is over +5V. |
| DR- | DP9=OFF,PU is step pulse signal | Change the motor's direction of rotation. The input resistance is 220Ω. Low voltage 0-0.5V,high voltage 4-5V,pulse width>2.5μs. |
| DP9=ON,PU is nagtive step pulse signal | ||
| 5MF+ | Positive of opto-isolated input signal | Connect to +5V power supply,drive voltage ranges from +5V to +24V.Current limiting resistance is needed when it is over +5V. |
| MF- | Motor free signal | The motor current will be cut off and the driver stops working when it is effective. |
| ALM+ | Positive of opto-isolated input signal | The signal is effective(low voltage) when the drive is overcurrent and overheat. |
| ALM- | Negative of opto-isolated input signal | |
| RDY+ | Positive of opto-isolated input signal | It is effective(low voltage) when the driver is ready for receiving controller's signal. |
| RDY- | Negative of opto-isolated input signal | |
| 24PU+ | Positive of opto-isolated input signal | Drive voltage : +24V |
| 24DR+ | ||
| 24MF+ | ||
| L,N | Power supply | 120-260VAC |
| PE | Ground | Ground terminal |
| U | Connection | |
| V | ||
| W |

§ Stepper driver working current is set by DIP switches D1 to D4.
Working current(A) | 2.2 | 2.4 | 2.6 | 2.8 | 3.0 | 3.2 | 3.4 | 3.6 |
D1 | OFF | OFF | OFF | OFF | OFF | OFF | OFF | OFF |
D2 | OFF | OFF | OFF | OFF | ON | ON | ON | ON |
D3 | OFF | OFF | ON | ON | OFF | OFF | ON | ON |
D4 | OFF | ON | OFF | ON | OFF | ON | OFF | ON |
Working current(A) | 3.8 | 4.0 | 4.2 | 4.4 | 4.6 | 4.8 | 4.8 | 4.8 |
D1 | ON | ON | ON | ON | ON | ON | ON | ON |
D2 | OFF | OFF | OFF | OFF | ON | ON | ON | ON |
D3 | OFF | OFF | ON | ON | OFF | OFF | ON | ON |
D4 | OFF | ON | OFF | ON | OFF | ON | OFF | ON |
§ The subdivision (micro step) is set by DIP switches D5 to D8, 16 channels in total. D9 and D10 are used to set the drive function.
Subdivision (micro step) ppr | 400 | 500 | 600 | 800 | 1000 | 1200 | 2000 | 3000 |
D5 | ON | ON | ON | ON | ON | ON | ON | ON |
D6 | ON | ON | ON | ON | OFF | OFF | OFF | OFF |
D7 | ON | ON | OFF | OFF | ON | ON | OFF | OFF |
D8 | ON | OFF | ON | OFF | ON | OFF | ON | OFF |
Subdivision (micro step) ppr | 4000 | 5000 | 6000 | 10000 | 12000 | 20000 | 30000 | 60000 |
D5 | OFF | OFF | OFF | OFF | OFF | OFF | OFF | OFF |
D6 | ON | ON | ON | ON | OFF | OFF | OFF | OFF |
D7 | ON | ON | OFF | OFF | ON | ON | OFF | OFF |
D8 | ON | OFF | ON | OFF | ON | OFF | ON | OFF |
D9 | ON, double pulse: PU is positive pulse signal, DR is negative pulse signal | |||||||
OFF, single pulse: PU is pulse signal, DR is direction signal | ||||||||
D10 | Self detect switch (OFF: accept external pulse, ON: the driver send pulse to make the motor work at the speed of 30r/m) | |||||||
¤ Subdivision can be set by your requirement






Key words : hybrid stepper driver , ac stepper motor drive, 3 phase ac stepper motor drive
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