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产品描述
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电气参数
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安装尺寸
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应用案例
Overview
NDM2272 is a digital drive that Noketech developed for 110/130 two-phase hybrid motor.It adopts the latest DSP technology of Ti, and taking advanced digital filtering technology, anti-resonance technology and real-time precision current control technology to make it realize precise smooth operation, extra low noise. It's suitable for semiconductor electronic processing equipment, laser processing, packing and small CNC equipment.
Applicable motor: 110、130 seires two-phase hybrid stepping motor.
Parameter setting switch description
1)Working (dynamic) current setting
Output peak current | Output average current | SW1 | SW2 | SW3 |
Default | on | on | on | |
2.4A | 1.70A | off | on | on |
3.2A | 2.26A | on | off | on |
4.0A | 2.83A | off | off | on |
4.8A | 3.40A | on | on | off |
5.6A | 3.96A | off | on | off |
6.4A | 4.52A | on | off | off |
7.2A | 5.09A | off | off | off |
2)Quiescent (static) current setting
Static current can be set by SW4 DIP switch, on means Static current is the half of dynamic current, off means that the quiescent current is the same as the dynamic current.In general use, SW4 should be set to on to reduce the heat of the motor and drive and improve the reliability. About 400ms after the pulse train stops , the current is automatically reduced to about half (60% of the actual value), and the calorific value is theoretically reduced to 36%.
3)Micro step setting
NDM2272 is a precision three-phase hybrid stepping drive, which can provide a maximum of 512 subdivision settings, the specific settings are shown as below.
Steps/Rev. | SW5 | SW6 | SW7 | SW8 |
Default | on | on | on | on |
400 | off | on | on | on |
800 | on | off | on | on |
1600 | off | off | on | on |
3200 | on | on | off | on |
6400 | off | on | off | on |
12800 | on | off | off | on |
25600 | off | off | off | on |
1000 | on | on | on | off |
2000 | off | on | on | off |
4000 | on | off | on | off |
5000 | off | off | on | off |
8000 | on | on | off | off |
10000 | off | on | off | off |
20000 | on | off | off | off |
25000 | off | off | off | off |
Typical wiring case
Wiring diagram is as folows when using PLC control.
Wiring diagram when PLC control NDM2272
Note:
When the user directly connects the 3NDM2280 to main power, the protective GND of drive must be reliably connected to the protective GND of the device. It is recommended that the user supply power to the 3NDM2280 through an isolated transformer. It is recommended that the isolated transformer adopt 220VAC input and 180VAC output.
Electrical, Mechanical and Environmental Indicators
1. Electrical indicator
Description | NDM2272 | |||
Min. | Typical | Max. | Unit | |
Output current | 1 | - | 7.2 | A |
Working voltage | 85 | 110/220 | 230 | VAC |
Working voltage | 7 | 10 | 16 | mA |
Pulse frequency | 0 | - | 200 | kHz |
Insulated resistor | 500 | MΩ |
Note: The control pulse frequency can be adjustable according to user application requirements. The maximum control pulse signal that can be received is 1MHz.
2. Using environment and parameters
Cooling method | Free cooling or forced air cooling | |
Using environment | Places | Do not install it near other hot equipment. Avoiding the places with dust, oil, corrosive gas, high humidity and strong vibration. Combustible gas and conductive dust are prohibited. |
Temperature | 0-50℃ | |
Humidity | 40-90%RH | |
Vibration | 5.9m/s2MAX | |
Storage temperature | -20℃~80℃ | |
Weight | 1.35kg |
3. The way to improve heat dissipation
1)Usually, the reliable working temperature of the drive is within 60℃, and the working temperature of the motor is within 80℃;
2)In order to reduce the heat of motor and drive, it is recommended to select the automatic half-current mode when using that the current decreases by half automatically when the motor stops.
3)When installing the driver, please install it vertically and sideways, so that the heat sink teeth forms strong air convection; when necessary, install a fan near the drive for better heat dissipation, to ensure that the drive works within a reliable operating temperature range.
Mechanical installation drawing (unit: mm)