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UIM240 SERIES MINIATURE INTERGRATED STEPPER MOTOR DRIVER
● Miniature size 42.3mmx42.3mm x14.5mm
● Integral design to fit motors, work standalone as well
● Wide range input voltage 10-40VDC
● 0-2A/ 1.5-4A/ 3-8A adjustable phase current
● 1 to 16th micro stepping
● Automatic Current Reduction
● Dual full H-bridge with PWM constant current control
● enable/shutdown input for power saving
● Optical-isolated inputs
● die-cast aluminum enclosure improved heat dissipation and durability
Pulse & Direction Type Stepper Driver Model Number Confirmation
 |
Correspondence between Max. Supply Voltage and Peak Current
| Max. Supply Voltage Peak Current | L: (DC28V) | C: (DC38V) | H: (DC48V) |
| 2A | √ | √ | √ |
| 4A | × | √ | √ |
| 8A | × | √ | √ |
Connector Type: P, T
 T: Screw Terminal |  P: P lug Socket (including cables) |
Model No. Example: UIM240L02T ; UIM240C04P; UIM240C08P
Typical application of UIM240 stepper motor driver.
Optically isolated common anode input interface.
Reference Value of the Additional resistor:
| VCC(V) | Additional resistor value (Ω) |
| 3.3 | 0 |
| 5 | 0 |
| 9 | 600 |
| 12 | 1000 |
| 15 | 1300 |
| 24 | 2500 |
| 30 | 3000 |
| 36 | 4000 |
| 48 | 5000 |
Current Adjusting & Micro Step Setting
1. Adjusting the output current, Default current: L02: 1.7A; C04:2.8A, C08:5A
2. Micro-Step Setting, Default 1/16Micro-Step
UIM240L02 series Micro-Step setting
UIM240C04, UIM240C08 series Micro-Step setting
Video guidance for UIM240 Series Pulse & Direction Stepper Driver
Mnaual 
More Information on detail, please feel free to contact me 
Pulse & direction stepper motor driver, support to Spontaneous pulses.
Spontaneous pulses Stepper Motor Driver
 | ADH42 | |||
minimum value | Typical value | Maximum value | Unit | |
Supply Voltage (DC) | 12 | 24 | 40 | VDC |
Control Signal | 7 | 10 | 16 | mA |
Step pulse frequency | 0 | - | 200 | KHz |
insulation resistance | 50 |
|
| MΩ |
● Miniature size 42mmx42mm x21.5mm
● Pulse & direction stepper driver also support the standard RS232 serial command, and built-in 32bit digital chip.
● Using new control algorithms such for vibration suppression and low heat generation
● DC input voltage 12~40VDC, recommended working voltage 24VDC.
● Continuous output current 1.4A max, max peak current 2.1A.
● Integrated design, mounted with 42/39mm stepper motor.
● Low vibration, low noise, stable operation, low motor heating.
● Any micro-step can be set .
● Protection functions such as overvoltage, undervoltage and overcurrent.
● Built-in automatic matching function of motor parameter.
● ADM42H stepper driver can be assembled for NEMA17 Integrated Stepper Motors
| Pin No. | Name | Description |
| 1 | PU | Pulse Control Signal Input: 5V ~ 24V, Rising Edge effective, Make sure pulse signal effective, pulse width ≥ 2μs Add the resistance for power supply. |
| 2 | PU- | |
| 3 | DR | Direction Signal: high/low level signal： 5V ~ 24V, direction signal should be at least 5 μs earlier than pulse signal, High/Low level. |
| 4 | DR- | |
| 5 | EN | Enable Signal：enable/disable. If ENA connect 5V & ENA- connect low level(or Internal optocoupler on), stepper controller will turn off the current, motor in free state, no feedback even send pulses. |
| 6 | EN- | |
| 7 | AM | Alarm signal output: When overvoltage, undervoltage, phase loss, or position deviation alarms occur, the alarm signal output is effective; Maximum driving current 50mA |
| 8 | AM- | |
| 9 | GND | Supply Voltage Ground: GND/0V |
| 10 | DC | Supply voltage: 12-40VDC, Recommend DC24V |
Wire support common anode connection and common cathode connection, controlled by PLC or Pulse Generators.
DIP Switch SW1 SW2 SW3 SW4 SW5 SW6 ↑
1. Set working current by SW1:
SW1 | Peak(A) | RMS(A) |
off | 1.4 | 1.0 |
on | 2.1 | 1.5 |
2. Set Working Mode by SW2:
SW2 | Working Mode |
off | Pulse & Direction |
on | Spontaneous pulses |
2.1. Pulse & Direction working mode:
Set Micro-step by SW3,SW4,SW5 SW6:
2.1. Spontaneous pulses working mode:
In this working mode, the PU PU- connect to the power supply 5~24VDC and GND,
make sure the stepper motors rotates instantly when power on, please check below wiring diagram:
Set Working Speed by SW3,SW4,SW5 SW6:
More Information on detail, please feel free to contact me
Pulse & direction stepper motor driver, support to Spontaneous pulses.
Spontaneous pulses Stepper Motor Driver with fixed working speed range.
● Miniature size 42.3mmx42.3mm x17mm
● Pulse & direction stepper driver also support the standard RS232 serial command, and built-in 32bit digital chip.
● Using new control algorithms such for vibration suppression and low heat generation
● DC input voltage 12~40VDC, recommended working voltage 24VDC.
● Continuous output current 1.4A max, max peak current 2.2A.
● Integrated design, mounted with NEMA17/NEMA16 stepper motor.
● Low vibration, low noise, stable operation, low motor heating.
● Any micro-step can be set .
● Protection functions such as overvoltage, undervoltage and overcurrent.
● Built-in automatic matching function of motor parameter.
● AP42 stepper driver can be assembled for NEMA17 Integrated Stepper Motors
| Pin No. | Name | Description |
| 1 | VDC | Supply voltage: 12-32VDC, Recommend DC24V |
| 2 | GND | Supply Voltage Ground: GND/0V |
| 3 | RXD | To the RX pin on user device (not for communication, set parameter only) |
| 4 | TXD | To the TX pin on user device (not for communication, set parameter only) |
| 3 | PUL | Differential PULSE signal input, Allow receiving 5V signals, Rising edge is Effective |
| 4 | PUL- | |
| 5 | DIR | Differential DIRECTION signal input, Allow receiving 5V signals, Rising edge is Effective |
| 6 | DIR- | |
| 7 | ENA | Differential ENABLE signal input, Allow receiving 5V signals, Rising edge is Effective |
| 8 | ENA- | |
| 9 | OUT | Alarm signal output, OC circuit, can receive up voltage up to 24V |
| 10 | OUT- |
If the control signal is 12V, a 1K resistor needs to be connected.
If the control signal is 24V, it is necessary to connect 2.2K resistors.
In addition to Differential wiring, AP42 Driver also supports common anode connection and common cathode connection：
Dip Switch Settings:
SW1 SW2 SW3 set Current,
SW4 SW5 SW6 Set Micro-Step,
SW8 Set direction CW/CCW.
SW9 SW10, Choose Working Mode
1. Set working current by SW1, SW2, SW3:
The default peak current at the factory is 0.5A, can be set through the serial port before sale,
The adjustable current range is any value between 0.1A and 2.2A (peak).
Set Stepper Motor's default rotation direction
SW8=on, CW
SW8=off, CCW
Note: the default rotation direction according to the wiring,
Swap wiring phase A A-(or B B-) will change the rotation direction.
Set Working Mode by SW9, SW10:
SW9 | SW10 | Working Mode |
on | on | Spontaneous pulses |
on | off | self-test |
off | on | double pulse |
off | off | Pulse & Direction |
Set Micro-Step and working speed by SW4,SW5,SW6 SW7:
Note: set SW9,SW10 for Spontaneous pulses mode, working speed will be effective when connect the 5V pulse signal.
More Information on detail, please feel free to contact me
Pulse & direction stepper motor driver, support to Spontaneous pulses.
Spontaneous pulses Stepper Motor Driver
| ADH42 | |||
minimum value | Typical value | Maximum value | Unit | |
Supply Voltage (DC) | 12 | 24 | 40 | VDC |
Control Signal | 7 | 10 | 16 | mA |
Step pulse frequency | 0 | - | 200 | KHz |
insulation resistance | 50 |
|
| MΩ |
● Miniature size 42mmx42mm x21.5mm
● Pulse & direction stepper driver also support the standard RS232 serial command, and built-in 32bit digital chip.
● Using new control algorithms such for vibration suppression and low heat generation
● DC input voltage 12~40VDC, recommended working voltage 24VDC.
● Continuous output current 1.4A max, max peak current 2.1A.
● Integrated design, mounted with 42/39mm stepper motor.
● Low vibration, low noise, stable operation, low motor heating.
● Any micro-step can be set .
● Protection functions such as overvoltage, undervoltage and overcurrent.
● Built-in automatic matching function of motor parameter.
● ADM42H stepper driver can be assembled for NEMA17 Integrated Stepper Motors
| Pin No. | Name | Description |
| 1 | PU | Pulse Control Signal Input: 5V ~ 24V, Rising Edge effective, Make sure pulse signal effective, pulse width ≥ 2μs Add the resistance for power supply. |
| 2 | PU- | |
| 3 | DR | Direction Signal: high/low level signal： 5V ~ 24V, direction signal should be at least 5 μs earlier than pulse signal, High/Low level. |
| 4 | DR- | |
| 5 | EN | Enable Signal：enable/disable. If ENA connect 5V & ENA- connect low level(or Internal optocoupler on), stepper controller will turn off the current, motor in free state, no feedback even send pulses. |
| 6 | EN- | |
| 7 | AM | Alarm signal output: When overvoltage, undervoltage, phase loss, or position deviation alarms occur, the alarm signal output is effective; Maximum driving current 50mA |
| 8 | AM- | |
| 9 | GND | Supply Voltage Ground: GND/0V |
| 10 | DC | Supply voltage: 12-40VDC, Recommend DC24V |
Wire support common anode connection and common cathode connection, controlled by PLC or Pulse Generators.
DIP Switch SW1 SW2 SW3 SW4 SW5 SW6 ↑
1. Set working current by SW1:
SW1 | Peak(A) | RMS(A) |
off | 1.4 | 1.0 |
on | 2.1 | 1.5 |
2. Set Working Mode by SW2:
SW2 | Working Mode |
off | Pulse & Direction |
on | Spontaneous pulses |
2.1. Pulse & Direction working mode:
Set Micro-step by SW3,SW4,SW5 SW6:
2.1. Spontaneous pulses working mode:
In this working mode, the PU PU- connect to the power supply 5~24VDC and GND,
make sure the stepper motors rotates instantly when power on, please check below wiring diagram:
Set Working Speed by SW3,SW4,SW5 SW6:
More Information on detail, please feel free to contact me
Pulse & direction stepper motor driver, support to connect magnetic encoder and photoelectric encoder.
RS232 SERIAL STEPPER MOTOR CONTROLLER, PULSE AND DIRECTION STEPPER DRIVER,
ADM57 IS DESIGN FOR NEMA23 INTEGRATED STEPPER MOTORS.
| Pin No. | Name | Description |
| 1 | VDC | Supply voltage: 12-50VDC |
| 2 | GND | Supply Voltage Ground: GND/0V |
| 3 | PUL | Pulse Control Signal Input: Rising Edge effective, PUL high level: 4～5V,, Low level : 0~5V . Make sure pulse signal effective, pulse width ≥ 1.2μs Add the resistance for power supply. |
| 4 | PUL- | |
| 5 | DIR | Direction Signal: high/low level signal：pulse width＞5μs ， High level: 4～5V，Low level: 0～0.5V |
| 6 | DIR- | |
| 7 | ENA | Enable Signal：enable/disable. If ENA connect 5V & ENA- connect low level(or Internal optocoupler on), stepper controller will turn off the current, motor in free state, no feedback even send pulses. |
| 8 | ENA- | |
| 9 | TXD | To the TX pin on user device (not for communication, set parameter only) |
| 10 | RXD | To the RX pin on user device (not for communication, set parameter only) |
Set working current:
| Output Peak Current | Mean Current | S1 | S2 | S3 |
| Default 1.5A | 1.1A | ON | ON | ON |
| 2.1A | 1.5A | OFF | ON | ON |
| 2.7A | 1.9A | ON | OFF | ON |
| 3.2A | 2.3A | OFF | OFF | ON |
| 3.8A | 2.7A | ON | ON | OFF |
| 4.3A | 3.1A | OFF | ON | OFF |
| 4.9A | 3.5A | ON | OFF | OFF |
| 5.6A | 4.0A | OFF | OFF | OFF |
Set Micro-step:
With same size as nema23 stepper motor, built-in 32-bit DSP digital chip.
Using new control algorithms such for vibration suppression and low heat-generation
Ensure the motor runs smoothly, with low noise and temperature controllable.
Adm57 stepper driver with maximum output current: 5.6a, meet all of NEMA23 stepper motor application requirement.
Achieve high subdivision effects through internal algorithms, even in the low micro-step condition, which widely applied in laser wire solutions.
Integrated automatic matching function for motor parameters, optimize the operating parameters, make sure the motors in good performance.
Adm57 stepper controller can be assembled as nema23 integrated stepper motor.
Make the integrated NEMA23 stepper motor directly via simple screw:
Input signal Single ended cathode connection:
Input signal Single ended common anode connection:
Input signal Single ended cathode connection:
ADM57 Pulse & Dircetion type stepper motor driver User Manual
More Information on detail, please feel free to contact me
Pulse & direction stepper motor driver, support to connect magnetic encoder and photoelectric encoder.
Set working current:
Set Micro-step:
● Miniature size 42.3mmx42.3mm x21mm
● Pulse & direction stepper driver also support the standard RS232 serial command, and built-in 32bit digital chip.
● Using new control algorithms such for vibration suppression and low heat generation
● DC input voltage 12~32VDC, recommended working voltage 24VDC.
● Continuous output current 1.58A max, max peak current 2.2A.
● Integrated design, mounted with 42/39mm stepper motor.
● Low vibration, low noise, stable operation, low motor heating.
● Any micro-step can be set .
● Protection functions such as overvoltage, undervoltage and overcurrent.
● Built-in automatic matching function of motor parameter.
● ADM42 stepper driver can be assembled for NEMA17 Integrated Stepper Motors
1.VDC: Positive power input: DC voltage 12-32VDC
2.GND: Negative power input: DC voltage GND
3.OPTO: Pules Direction, Enable common anode Input: 5V DC,
4.PUL-: Pulse Control Signal Input, Rising Edge effective
5.DIR-: Direction Control Signal Input, Rising Edge effective
6.ENA-: Enable Signal Input, Rising Edge effective
7.TXD: To the TX pin on user device
8.RXD: To the RX pin on user device
Make the integrated NEMA17 stepper motor directly via simple screw:
ADM42 Pulse & Dircetion type stepper motor driver User Manual
More Information on detail, please feel free to contact me
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