伟德(bevictor)国际官方网站 - 源自英国始于1946

As an actuator that converts electrical pulse signals into precise angular displacement, stepper motors have a wide range of applications due to their core advantages of "simple control, accurate positioning, and low cost". The control of stepper motors is mainly divided into two types: pulse control and bus communication control. Pulse controlled stepper motors and bus communication controlled stepper motors represent two different technological paths, suitable for different application scenarios.

Pulse control is a traditional and classic solution, suitable for scenarios that require cost and real-time performance but low communication and collaboration requirements.

1.Simple single shafts or few shafts equipment

1) 3D printers: typically 3-4 axes, with a simple structure and the most cost-effective pulse control.

2) Small carving machine/marking machine: two or three shafts linkage, relatively simple path.

3) Automatic dispensing machine (low-end): controls X/Y/Z shafts movement.

Reason: There are few axes, the wiring is not complicated, and the cost of controllers (such as Arduino+driver shields) is low.

2. Multi shafts devices with low requirements for real-time synchronization

1) CNC machine tool (economical type): three-shafts linkage machining. Modern high-end CNC has widely adopted bus control.

2) Packaging machine (mid to low end): Multiple independent or simple collaborative workstations.

Reason: Although there are many axes, if the motion correlation between each shafts is not strong or there is no requirement for microsecond level synchronization, the pulse scheme can still be competent.

3. Projects that are extremely cost sensitive

For example: teaching equipment, DIY projects, low-end automation transformation.

Reason: The cost of pulse drivers and control cards is significantly lower than that of bus type drivers.

Application summary: Low cost, few axes, simple wiring, easy movement, low technical threshold.

Bus control is a modern and high-end solution suitable for complex automation systems that require reliability, synchronization, scalability, and intelligence.

1. Multi shafts, high complexity, and high synchronization equipment

1) Industrial robots (six shafts articulated robots): require precise synchronized motion of six or more axes at the millisecond or even microsecond level.

2) High end electronic assembly equipment (such as SMT surface mount machines): dozens of axes require high coordination to achieve complex movements such as "electronic gears" and "electronic camshafts".

3) Lithium battery production line equipment: winding, slitting and other processes require strict synchronization of multiple axes.

Reason: The bus ensures that all axes receive instructions within the same communication cycle, achieving true synchronous motion. Pulse control cannot achieve this.

2. Equipment with requirements for wiring space and aesthetics

1) Robot arms for automobile manufacturing production lines.

2) Large scale logistics sorting system.

Reason: The bus uses a single Ethernet cable or cable to connect all drivers in series, greatly simplifying the wiring from the electrical cabinet to various parts of the equipment, saving space, and improving reliability.

3. Devices that require remote diagnosis and parameter management

For example, all devices in smart factories and industrial 4.0 scenarios.

Reason: Bus type drivers can upload a large amount of information such as current, temperature, position, and fault codes in real time. Engineers can remotely modify parameters such as current, subdivision, acceleration, etc. without the need for on-site debugging.

4. High dynamic response and high-precision applications

For example, high-end servo systems (although the problem is with stepper motors, bus type stepper also has some servo characteristics).

Reason: The bus communication cycle is short (EtherCAT can reach below 100 μ s), which enables faster control loops and more accurate trajectory planning.

Application summary: Multi shafts synchronization, complex motion, high reliability, remote operation and maintenance, simple wiring, future trends.

Pulse control is like using "switches and pulses" to directly command every step of the motor, simple and rough, economical, and suitable for "traditional automation". Bus control is like assigning an "intelligent secretary" to each motor. You only need to issue "target instructions", and the secretary will handle the details on their own and report the status to you at any time, which is suitable for "modern intelligent automation".

With the popularization of industrial Internet and intelligent manufacturing, bus communication control is becoming the mainstream choice of high-end equipment, while pulse control maintains its vitality in low-end and low-cost fields. Shenzhen Zhongling Technology Co., Ltd. integrates drive and control, with a compact structure that is easy to install; At present, there are pulse direction type, CAN bus type, etc., which have various advantages such as flexible control, good performance, reliable operation, and suitability for digital control. They are widely used in CNC machining equipment, automatic production lines, automatic control instruments, office automation equipment, medical equipment, robots, and even household appliances in various industries.