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DM542 Two-phase digital stepper driver
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Overview
DM542 two-phase stepper motor driver is based on Pl flow control algorithm design of cost-effective subdivided type driver, with superior performance, high speed and large torque output, low noise, low vibration, low heat.
Dm542 driver can be selected through the dip switch operating current and subdivision, 16 kinds of subdivision, 16 kinds of current for selection, with over-voltage, under-voltage, phase current and total power overcurrent protection, its input and output control signals are optically isolated.
Characteristic
• PI control algorithm, low noise, low vibration and low heat generation;
• Signal input: single-ended, pulse + direction and double pulse;
• Built-in microfine division; Power supply: up to DC90V;
• Convenient current setting, 16 steps selectable, peak output current up to 7A-4.5A; current halved after 1S standstill;
• Factory default maximum subdivision 128,25600 adjustable;
• Optically isolated differential signal input, input pulse frequency up to 300KHz.Adapts to 4, 6, 8-wire 2-phase stepper motors with 57 and 60 flanges.
• Over-voltage, under-voltage alarm, phase current over-current protection, motor phase open circuit detection and other functions.
• Pulse, direction and enable terminals have constant current input function, can be directly connected to the input signal.
• It can be directly connected to the input signal without the need for external series current-limiting protection.
• Self-generated pulse: built-in oscillator, dial code or switching signal control motor start/stop, 16 speeds switching by itself.Performance indicators
Electrical indicators
Describe DM542 Min. values Typical values Max.values Unit Output Current (Peak) 1.0 - 4.5 A Supply Voltage 20 48 90 VDC Control Signal Current 6 10 16 mA Step Pulse Frequency 0 - 300 KHz Step Pulse Width 2 - - us Direction Signal Width 100 - - us Undervoltage Protection Point - 18 - VDC Overvoltage Protection Point - 90 - VDC Driver Initialization Time 2 - - s Insulation Resistance 500 MΩ 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 0-+50℃ Humidity 40-90%RH Vibration 10~55Hz/0.15mm Storage temperature -20℃~65℃ Weight 250g 
Control signal wiring instructions
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's rotation direction depends on the DIR signal. When the DIR signal is floating or at a low level, the motor rotates clockwise; when the DIR signal is high, the motor rotates counterclockwise. To ensure reliable motor direction switching, the direction signal should be established at least 5μs before the pulse signal. The motor's initial running direction is related to the motor winding connections; swapping any winding pair (such as A+ and A-) can change the motor's initial running direction.Input voltage range:3.3V~ 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 Wiring instructions for power supply and motor
Function Symbolic Mean Note Power Input V+ DC Power Supply Positive DC Power:20VDC-90VDC V- DC Power Supply Negative Motor Wiring A+ Stepper Motor Phase A Winding Swapping either the A+ and A- winding connections or the B+ and B- winding connections can change the motor's initial running direction. A- B+ Stepper Motor Phase B Winding B- Current and microstepping configuration
An 10-bit DIP switch is used to set the subdivision, operating current, pulse mode selection, and self-running mode.
Detailed descriptions are as follows:(The locked rotor holding current can be internally jumper-set to full current, with a default of 50%.)
Current Settings SW1 SW2 SW3 SW4 Subdivision Settings SW5 SW6 SW7 SW8 Continuous Self-Runnings SW9 SW10 Single/Dual pulse Full/Half current adjustment Current Settings
Current(peak) SW1 SW2 SW3 SW4 4.5A ON ON ON ON 4.2A OFF ON ON ON 4.0A ON OFF ON ON 3.8A OFF OFF ON ON 3.5A ON ON OFF ON 3.2A OFF ON OFF ON 3.0A ON OFF OFF ON 2.8A OFF OFF OFF ON 2.5A ON ON ON OFF 2.3A OFF ON ON OFF 2.0A ON OFF ON OFF 1.8A OFF OFF ON OFF 1.5A ON ON OFF OFF 1.3A OFF ON OFF OFF 1.1A ON OFF OFF OFF 1.0A OFF OFF OFF OFF Subdivision settings
Speed
(RPM)SW5 SW6 SW7 SW8 200 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 Other parameter settings
SW9 ON Pulse+Pulse (Dual Pulse) OFF Pulse+DIR (Pulse+Direction) SW10 ON Full current OFF Half current Driver status LED indicator
LED codes ERROR ● Green light always on Motor running ●● Green light flashing Motor stopped ●● One red, one green Driver overcurrent ●●● Two red and one green Motor winding open circuit ●●●● Three red and one green Driver input overvoltage ●●●●● Four red and one green Driver input undervoltage ●●●●●● Five red and one green Others
DM542 Two-phase digital stepper driver
Still deciding? Get samples first, Contact US !
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