Gold Member Since 2009
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I. CH Motion Co., Ltd.

Integrated Miniature Driver, Miniature Driver, Integrated manufacturer / supplier in China, offering Miniature and Integrated Driver -- CI240 Series, DC Gear Motor with Low Noise - Central Axis, DC Planetary Gear Motor D283-3A (Size 28mm) with High Quality and so on.

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Miniature and Integrated Driver -- CI240 Series

FOB Price: US $30-100 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $30-100/ Piece
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Port: Shanghai, China
Transport Package: Carton
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: CI240
  • Mathematical Model: Driver
  • Certification: RoHS, CE
  • Customized: Customized
  • Intergrated: Built in The Stepper Motor
  • Origin: China
  • Task: Driver Stepper Motor
  • Function: Driver
  • Condition: New
  • Miniature Size: 42.3mm*42.3mm*13.5mm
  • Trademark: I. CH
Product Description

-Miniature size 42.3mm*42.3mm*13.5mm (L*W*H)
-Integrally designed to fit onto motors seamlessly, as well as work standalone
-Wide range input voltage 10-40VDC
-Max 2A / 4A / 8A adjustable output current
-1 to 16th micro step resolution
-Dual full H-bridge with PWM constant current control
-Enable/shutdown input for power saving
-Optoisolated inputs with common anode
-Die-cast aluminum enclosure, improve heat radiation and durability
-MACH 3 Compatible


CI240 Miniature Stepper Motor Controller is a series of miniature, high performance stepper motor controller. They can be mounted onto H42 / H57 / H86 / H110 (NEMA17, NEMA23, NEMA34, NEMA42) series stepper motor seamlessly through corresponding flanges. The thickness of these controllers is less than 14 mm.
CI240-2A is capable to provide 0-2A adjustable current, 10~35VDC
CI240-4A is capable for 1.6-4A adjustable current output, 12~40VDC
CI240-8A is capable for 2A-8A adjustable current, 12~40VDC
Their mixed-decay current control reduces the back-EMF effect under high motor speed and improves the performance. The cover is made of die-cast aluminum which provides a rugged durable protection and improves the heat dissipation.

Miniature and Integrated Driver -- CI240 Series
  Absolute Maximum Ratings
Supply Voltage40VDC(UIM24002 is 35VDC)
Store Temperature -40ºC~+125ºC
Working Temperature -20ºC~+85ºC
  Electrical Characteristics (Ambient Temperature 25 ºC )
Supply Power Voltage10V~40VDC(CI240-2A is 8V~35VDC)
Motor Output CurrentMax 2A/4A/8A per phase(Adjustable through on board trimmer)
Driving ModePWM constant current
Stepping ResolutionFull step,half step,quarter step,and sixteenth step
Insulation Resistance>100MΩ 
Dielectric Strength0.5KVinoneminute
  Communication(Ambient Temperature 25ºC)
Parallel Communication3 wireinterface: Pulse, Direction, Shutdown
Micro Step Resolution1,2,4,16 set through on-board DIP switch
  Environment Requirements
CoolingFree Air
Working EnvironmentEnvironmentAvoid dust, oil mist and corrosive gases
Temperature-20ºC ~+85ºC
Humidity<80%RH,n condensation, no frosting
Storage Temperature-40ºC~+125ºC
  Size and Weight
Size42.3mm X 42.3mm X 13.5mm (L*W*H)
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