APPLIED MOTION STR4 Step Motor Driver

( Brand: Applied Motion ), ( Manufacturer Part Number: STR4 ), ( Part Type: Motor Driver )

Review APPLIED MOTION Products Step Motor Driver

The Applied Motion Technologies (AMT) StepMax2 ST4 is a high-performance, quad-channel step motor driver designed for precise motion control in various automation applications. This compact, yet powerful, device is engineered to drive two unipolar or bipolar step motors, making it an ideal solution for configurable motion systems.

The ST4 driver offers four independently controlled output channels, which can be operated in full or half-step mode. Each channel is equipped with adjustable current limiting, enabling users to optimize motor performance and extend motor life by preventing overcurrent conditions. The driver also supports various motor control modes, including micro-stepping, pulse-width modulation (PWM) torque control, and regenerative braking.

One standout feature of the AMT StepMax2 ST4 is its integrated step/direction decoder. This decoder supports various synchronous and asynchronous input options, including single-ended or differential input signals. This flexibility allows users to connect the driver to various control systems and automation platforms.

The ST4 driver is designed for industrial applications and features robust electrical isolation with 2,500VDC input-to-output isolation and 1,500VDC input-to-ground isolation. It also includes a built-in power supply, which can accept a wide range of input voltages, from 100-240VAC or 12-36VDC.

The device is housed in a rugged, die-cast aluminum enclosure that measures 3.6 x 5.2 inches and can withstand harsh environments. It is also equipped with an LED display, which provides real-time status information, including motor direction, fault conditions, and communication errors.

The AMT StepMax2 ST4 step motor driver offers excellent motion control capabilities, versatile input options, and robust construction, making it an excellent choice for various automation applications, including industrial automation, robotics, and CNC machinery.

The Stride Linear ST4 series step motor drivers from Applied Motion Products are known for their high performance and versatility. Here are some pros and cons of buying this particular step motor driver:

1. High Torque Density: The ST4 series drivers can deliver high torque even in a compact size, making them suitable for various automation applications.

2. Wide Input Voltage Range: These drivers can accept a wide range of input voltages, from 12V to 110V DC, allowing users to choose the most convenient power source.

3. Built-in Regenerative Brake: The built-in regenerative brake feature helps to dissipate energy during motor deceleration, which can be useful in some applications.

4. Easy to Use: The drivers are designed to be user-friendly, with features like auto-resets, slip compensation, and adjustable acceleration and deceleration.

5. High Efficiency: The ST4 series drivers operate with high efficiency, which can help reduce energy costs and improve system performance.

1. Limited Current Capacity: These drivers may not be suitable for applications that require very high currents, as their maximum current capacity is relatively low.

2. Limited Communication Options: The ST4 series drivers do not offer advanced communication options, such as Ethernet or CAN bus, which may be a drawback for some users.

3. Relatively Expensive: Compared to some other step motor drivers in the market, the ST4 series drivers may be more expensive.

The Applied Motion Products Stride Linear ST4 series step motor drivers offer several advantages, including high torque density, a wide input voltage range, built-in regenerative brake, ease of use, and high efficiency. However, they may not be suitable for applications that require very high currents or advanced communication options, and they may be relatively expensive compared to some other options.

If you are looking for a high-performance step motor driver with a wide input voltage range, high torque density, and ease of use, the Applied Motion Products Stride Linear ST4 series step motor drivers are a good choice. However, if you require very high current capacity or advanced communication options, you may want to consider other options. Additionally, be prepared for the relatively higher cost of these drivers.

Details:

Excellent condition and very clean. Applied Motion Products STR4 Step Motor Driver.

part #: str4 prices

• $129.95-$297.51

specifications steppertrol:

• brand: Applied Motion
• mpn: Str4
• part type: Motor Driver

seller steppertrol:

• city: Rockwall, Texas
• # reviews: 8652
• rating: 99.9%

shipping steppertrol:

• transit: 3-8 Days
• class: Standard, Expedited, One-day
• type: Calculated
• cost: $21.50
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• carrier: UPS

general steppertrol:

• condition: Used
• Drives Starters > Drives Motor Controls > Stepper Controls Drives

payments steppertrol:

• credit card: Discover
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• check
• wallet: Paypal

returns steppertrol:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days
• method: Money back

offer steppertrol:

• availability: In Stock
• options: Ship-to-home
• best offers: True
• sold: 0
• started: February 2, 2026
• quantity: 1

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