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Home page Electronics Stepper motor with encoder and controller Leadshine CS-D23480 closed loop stepper motor 8 Nm for CS-D808/CS-D1008
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Leadshine CS-D23480 closed loop stepper motor 8 Nm for CS-D808/CS-D1008

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Product number: 1166
Measure: pcs
Weight: 1.65 kg
€ 88.10
Net: € 88.10 +vat




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Brief description: Leadshine NEMA34 closed loop stepper motor 8 Nm

Product details

Leadshine closed loop stepper motor 8 Nm
Type: CS-D23480

 

These stepper motors have incremental encoders for position feedback. Position sensing is performed by a 1000 line optical encoder providing 4000 edge changes per revolution. As soon as a position deviation occurs, the electronics compensate immediately: no step loss occurs.


This 2-phase closed-loop, encoder motor is designed to work with the Leadshine CS-D508 hybrid servo controller and requires an encoder extension cable, available in several lengths. Together with these controllers, the drive forms a closed-loop system that combines high dynamics, high torque for its size and low heat generation. Due to the encoder-position feedback, there is no additional step loss.

This product combines the advantages of stepper motor drive and servo drive, such as.

  • no step loss due to position feedback
  • less heat production
  • less vibration
  • lower power consumption
  • high dynamics

In most cases, these drives are ready for immediate use and do not require complex tuning, such as servo motors, for stable operation.

The complete drive system requires the following components:

  • Closed loop motor (this item)
  • Driver
  • Transmitter extension cable type H-BMxM0 (optional lengths 3m, 5m, 8m, 10m, 12m)
  • Accessory: Programming cable, with the free ProTuner software, this cable allows you to connect to your computer to tune your system settings.

Fields of application:

  • Ideal for milling machines, lathes, robots, winders or general positioning.
  • Compatible with CNC controllers such as Beamicon. Estlcam, Mach3, Eding, Linuxcnc and many more.

Technical data:

  • Torque: 8 Nm
  • Shaft diameter: 14mm
  • Shaft length: 38,5 mm
  • Centring diameter: 38 mm
  • Total length without shaft: approx. 102 mm
  • Flange size: NEMA34/ 86x86mm
  • Bore spacing: 69,6 mm
  • Encoder 1000 pulses/rotation

Type Benefits:

  • No need for tuning as with servo motors
  • Simple control with standard pulse/direction signals (PUL/DIR) and enable signal
  • Compact size makes installation easy
  • 2 green and red LEDs to indicate drive status
  • Settings can be made using DIP switches or software
  • Parameters can be transferred to PC via RS232

Security features

  • No step loss and high position accuracy due to position feedback
  • Error output allows reaction to error conditions
  • The quiet and smooth engine runs at low revs, avoiding resonances
  • High efficiency thanks to variable current control technology
  • Integrated overcurrent protection, overvoltage protection, step-loss detection increase safety

Advantages over JMC integrated stepping motors

  • Better electronics because there is more space for properly sized components
  • Better cooling because the drive and motor are separated
  • Dust-free operation is possible, the motor is encapsulated, the driver is located in the switch cabinet
  • Longer-lasting technology.

Hybrid servo information

 

Conventional open-loop stepping systems operate in open-loop mode, i.e. position control without feedback. When stepper motors operate under load in open-loop mode, a potential loss of synchronization between commanded and actually executed steps can occur, referred to as "stall" or "step loss". In the past, this was corrected by adding a feedback device, such as an optical encoder, that monitors the "current" position. However, this modification only warns, not corrects, the step loss.

When an application requires real-time position control in motion, engineers have had to rely on servo systems and the complexity and cost associated with them. In many applications, because conventional servo systems do not have high torque compared to stepper motor systems, expensive planetary gears have had to be added to achieve the desired torque.

By implementing high-resolution encoders that provide feedback on motor position every 25 microseconds, closed-loop stepper motors guarantee real-time controlled position accuracy without loss of steps, as in open-loop stepper motor systems.

Note: There are systems that call themselves "closed loop" and can operate with encoders, but do not have field-oriented control, including sinusoidal commutated current control. They control step position, but cannot compensate for step angle errors during motion.

Our closed-loop systems have field-oriented control, i.e. they compensate for step losses during motion and correct for load angle errors within one complete step!

Unlike open-loop stepper motor systems where the current is constant, closed-loop stepper motor systems vary the output current and are optimized based on motion and load. As a result, closed-loop stepper motor systems generate more torque, less motor heat, less vibration and less noise than open-loop stepper motor systems.

Compared to brushless or brushed servo systems, the cost of closed loop stepper motor systems is significantly lower. They also offer much higher torque, simple setup and configuration, no overshoot, and no oscillation in and out (hunting). In many low and medium applications, closed loop stepper motor systems can be a better solution than servo systems.

 


 

 

Downloadable documents

./repositories/CS-M23480-S.pdf