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SL86H Two-phase closed loop stepper driver
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Overview
SL86H adopts the latest dedicated motor control DSP chip and closed-loop control technology, completely overcoming the issue of lost steps in open-loop stepper motors. Under light load conditions, it significantly enhances the motor's high-speed performance, reduces motor heating, and minimizes motor vibration, thereby improving the machine's processing speed and precision while lowering energy consumption. Additionally, when the motor is continuously overloaded, the driver will output an alarm signal, offering the same reliability as AC servo systems. Furthermore, the motor's mounting dimensions are fully compatible with traditional 86-series stepper motors, making it easy to upgrade from traditional stepper drive solutions, with costs being only 50% of traditional AC servo systems.Adapts to Series 86 2-phase closed-loop stepper motors.
Characteristic
• Adopting the new 32-bit motor control special DSP chip;
• With functions such as oscilloscope monitoring;
• Pulse direction enable signal voltage 5Vor 24V optional, the default is 5V
• Pulse response frequency up to 200KHZ;
• Subdivision setting (within 200~51200);
• With protection such as over-current, over-voltage and tracking error overrun;Performance indicators
Electrical indicators
Describe SL86H Min. values Typical values Max.values Unit Output Current (Peak) 0 - 8.2 A Supply Voltage +24 - +110 VDC Control Signal Current 18 - 80 mA Step Pulse Frequency 7 10 20 KHz Insulation Resistance 0 - 200 MΩ Alarm output logic current 500 - mA Environmental indicators
Cooling method Natural or forced air cooling Operating environment Occasions for use Can not be placed next to other heat-generating equipment, to avoid dust, oil, corrosive gases, too much humidity and strong vibration places, prohibit combustible gases and conductive dust; Temp -20℃-+50℃ Humidity 40-90%RH Vibration 10~55Hz/0.15mm Storage temperature -20℃~65℃ Weight 570g 
Control signal wiring instructions
Note: The signal voltage of 24V can be customized according to customer requirements.
Function Symbolic Mean Note Pulse Signal PUL+ Start/stop signal positive Default pulse is valid on the falling edge; pulse width should be greater than 1.2μs for reliable response to pulse signals Input voltage range: 3.3~28V. PUL- Start/stop signal negative Direction Signal DIR+ Direction signal positive The motor rotation direction depends on the DIR signal. When DIR is floating or at a low level, the motor rotates clockwise; when the DIR signal is at a high level, the motor rotates counterclockwise. To ensure reliable motor direction change, the direction signal should be established at least 5μs before the pulse signal. The motor's initial running direction can be changed via the SW5 DIP switch. Input voltage range: 3.3~28V. DIR- Direction signal negative Enable Signal EN+ Enable signal positive Enable control signal: This input signal is used to enable or disable the driver output.When ENA is at a low level (or the internal optocoupler is conducting), the driver cuts off the current to all motor phases, putting the motor in a free state and ignoring step pulses.If this function is not needed, simply leave the enable signal terminal floating.Input voltage range: 3.3~28V. EN- Enable Signal Negative Alarm Signal ALM+ Alarm Signal Positive Output It can be changed to a position signal and a brake signal through the host computer software. ALM- Alarm Signal Negative Output Wiring instructions for power supply and motor
Function Symbolic Mean Note Power AC AC/DCInput AC Power Input:AC20V-80V Input AC AC/DCInput DC Power Input:DC20V-110V Motor Wiring A+ Stepper Motor Phase A Winding Phase A Motor Winding + A- Phase A Motor Winding - B+ Stepper Motor Phase B Winding Phase B Motor Winding + B- Phase B Motor Winding - Current and microstepping configuration
The subdivision and pulse mode are selected using an 8-bit DIP switch. (The lock current is set to 50% by default.)
Note: The default is 3600, and it can be modified to any subdivision through the host computer software.
Subdivision Settings
(Steps/Rev) SW1 SW2 SW3 SW4 Default ON ON ON ON 200 OFF ON ON ON 400 ON OFF ON ON 800 OFF OFF ON ON 1600 ON ON OFF ON 3200 OFF ON OFF ON 6400 ON OFF OFF ON 12800 OFF OFF OFF ON 25600 ON ON ON OFF 1000 OFF ON ON OFF 2000 ON OFF ON OFF 4000 OFF OFF ON OFF 5000 ON ON OFF OFF 8000 OFF ON OFF OFF 20000 ON OFF OFF OFF 40000 OFF OFF OFF OFF Driver alarm code
When a driver fault alarm occurs, it will flash the corresponding fault code. If multiple alarms occur, they will display alternately.
Alarm code Alarm name Alarm details Er 01 Overcurrent Motor current too high Er 02 Overspeed Motor speed exceeds the maximum limit (max 3000 RPM) Er 03 Position deviation The value of the position deviation counter exceeds the set value. When P004 is set to 0, the system does not perform position deviation detection. Er 04 Driver overheating Drive temperature exceeds the set value (max 80℃) Er 05 DC Overvoltage Main circuit input voltage exceeds the set value. Er 06 EPROM Error EPROM Read/Write Error Er 07 Encoder Fault Encoder Wiring Error Er 08 Connection Fault Motor Wiring Error or Motor Disconnected
SL86H Two-phase closed loop stepper driver
Still deciding? Get samples first, Contact US !
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