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Home Product STD-840-S8M-20 Servo Drive High-Precision Motor Controller STD Series for CNC Motion Robotics
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STD-840-S8M-20 Servo Drive High-Precision Motor Controller STD Series for CNC Motion Robotics

STD-840-S8M Motor
S8M-20 Stepper
20mm Stepper Driver
STD-840-S8M-20
STD-840-S8M Motor integrates S8M-20 Stepper and 20mm Stepper Driver, delivering high torque and precision control for automation systems. Compact design, industrial durability, and seamless motor-drive compatibility ensure reliable performance in motion applications.
Categories:HVAC and Refrigeration
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Product Description

The STD-840-S8M-20 is a compact and robust S8M-20 Stepper Driver designed to control the STD-840-S8M Motor, a 20mm Stepper Motor optimized for precision motion applications. This driver features 4 digital inputs and 2 analog outputs, supporting direct integration with up to 8 peripheral modules via RS-485 or CANopen interfaces. It operates within a wide voltage range of 12-48V DC and withstands industrial temperatures from -20°C to 60°C, making it ideal for automation, CNC machinery, and robotics. The driver delivers high torque resolution (up to 25600 steps/rev) and incorporates advanced noise suppression. Key advantages include adaptive current control and thermal protection, though heat dissipation may require external cooling in continuous-duty cycles. Its compact design (85x60x25mm) ensures easy installation in space-constrained environments.
Parameter Specification
Motor Model STD-840-S8M Motor
Stepper Type S8M-20 Stepper
Driver Integration 20mm Stepper Driver
Step Angle 1.8° ±5%
Phase 2-phase
Rated Current 2.0A/phase
Voltage Input 24-48VDC
Holding Torque 0.84N·m
Frame Size NEMA17 (42x42mm)
Microstep Resolution Full/2/4/8/16
question:Can the company provide technical specifications support?
answer:Yes, we offer comprehensive technical guidance to help clients select optimal solutions.
question:Does the company guarantee stable supply capacity?
answer:We maintain reliable supply chains and inventory management to ensure consistent product availability.
question:Does the company have a dedicated product selection engineer team?
answer:Our expert engineering team provides tailored product recommendations based on market needs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can the company provide technical specifications support?
answer:Yes, we offer comprehensive technical guidance to help clients select optimal solutions.
question:Does the company guarantee stable supply capacity?
answer:We maintain reliable supply chains and inventory management to ensure consistent product availability.
question:Does the company have a dedicated product selection engineer team?
answer:Our expert engineering team provides tailored product recommendations based on market needs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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