KL2541 | Beckhoff Bus Terminal 1-Channel Motion Interface Stepper Motor 48 V DC 5 A
Beckhoff · Motors & Motion
Description The Beckhoff KL2541 is a 1-channel motion interface Bus Terminal for controlling stepper motors with high precision and dynamic performance. It supports direct motor connection and encoder feedback, operating with up to 5 A output current and 8–48 V DC supply, making it ideal for precise motion control applications in compact automation systems. Technical Specifications Condition New/Never Used Surplus Brand Beckhoff Category Industrial Automation Part Number KL2541 Subcategory Bus Terminal Function 1-channel motion interface for stepper motor control Technology Compact drive technology Number of Channels 1 Outputs 1 × stepper motor, encoder input Inputs 2 × end position, 1 × encoder Connection Technology Direct motor connection Supply Voltage (Electronics) 24 V DC (via power contacts) Supply Voltage (Power) 8…48 V DC (external) Output Current Max. 5 A Encoder Supply 24 V DC / 5 V DC Step Frequency Max. 125,000 steps/s Step Pattern Full, half, and up to 64-fold microstepping Current Controller Frequency Approx. 25 kHz Resolution Approx. 5000 positions per revolution Encoder Input Signal 5…24 V DC, typ. 5 mA, single-ended Input Frequency Max. 400,000 increments/s (4-fold evaluation) Electrical Isolation 500 V (K-bus/signal voltage) Current Consumption (Power Contacts) Typ. 35 mA Current Consumption (K-bus) Typ. 100 mA Bit Width in Process Image Input/output: 2 × 16-bit data + 1 × 8-bit control/status Special Features Encoder input, travel distance control, microstepping, diagnostics LEDs Operating Temperature 0°C to +55°C Storage Temperature -25°C to +85°C Protection Class IP20 Weight Approx. 100 g Information About KL2541 The Beckhoff KL2541 Bus Terminal combines precise motion control and compact design for stepper motor applications. As part of the Beckhoff K-bus system, it allows direct connection of stepper motors and incremental encoders, supporting both position and speed control. The KL2541 integrates advanced drive functions, including microstepping up to 1/64 of a full step, which ensures smooth, low-vibration motion. A high output current capacity of up to 5 A and support for voltages between 8 and 48 V DC make it suitable for a wide range of industrial motors. The terminal includes inputs for two end position sensors and an encoder for precise feedback, while diagnostic LEDs provide clear operational and fault status indications. Electrical isolation and integrated travel distance control functions further enhance performance and safety in automated systems. Key Features: High-Precision Stepper Control: Supports full, half, and microstepping up to 64-fold for smooth and accurate motion control. Encoder Integration: Features an encoder input for closed-loop feedback, enabling position and velocity control. Powerful Output Capability: Delivers up to 5 A at 8–48 V DC, suitable for a wide range of stepper motor sizes. Fast Operation: Achieves up to 125,000 steps per second for dynamic and responsive motion control. Built-In Safety and Monitoring: Includes end position inputs, fault LEDs, and step loss detection for reliable operation. Advanced Drive Technology: Incorporates a current controller operating at 25 kHz for precise torque and motion regulation. Travel Distance Control: Enables motion profiles to be implemented directly within the terminal, reducing CPU load. Electrical Isolation: 500 V separation ensures safe and interference-free operation between field and control levels. Compact and Scalable Design: Easily integrates into modular K-bus systems for flexible automation architectures. Industrial Robustness: Operates reliably in environments up to +55°C with full IP20 protection. The KL2541 delivers the reliability and precision required for stepper motor automation, offering intelligent motion control within a compact Beckhoff Bus Terminal.
Brand: Beckhoff · Category: Motors & Motion
Key features
- High-Precision Stepper Control: Supports full, half, and microstepping up to 64-fold for smooth and accurate motion control.
- Encoder Integration: Features an encoder input for closed-loop feedback, enabling position and velocity control.
- Powerful Output Capability: Delivers up to 5 A at 8–48 V DC, suitable for a wide range of stepper motor sizes.
- Fast Operation: Achieves up to 125,000 steps per second for dynamic and responsive motion control.
- Built-In Safety and Monitoring: Includes end position inputs, fault LEDs, and step loss detection for reliable operation.
- Advanced Drive Technology: Incorporates a current controller operating at 25 kHz for precise torque and motion regulation.
- Travel Distance Control: Enables motion profiles to be implemented directly within the terminal, reducing CPU load.
- Electrical Isolation: 500 V separation ensures safe and interference-free operation between field and control levels.
- Compact and Scalable Design: Easily integrates into modular K-bus systems for flexible automation architectures.
- Industrial Robustness: Operates reliably in environments up to +55°C with full IP20 protection.
Specifications
| Manufacturer part number | KL2541 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Beckhoff |
| Category | Industrial Automation |
| Part Number | KL2541 |
| Subcategory | Bus Terminal |
| Function | 1-channel motion interface for stepper motor control |
| Technology | Compact drive technology |
| Number of Channels | 1 |
| Outputs | 1 × stepper motor, encoder input |
| Inputs | 2 × end position, 1 × encoder |
| Connection Technology | Direct motor connection |
| Supply Voltage (Electronics) | 24 V DC (via power contacts) |
| Supply Voltage (Power) | 8…48 V DC (external) |
| Output Current | Max. 5 A |
| Encoder Supply | 24 V DC / 5 V DC |
| Step Frequency | Max. 125,000 steps/s |
| Step Pattern | Full, half, and up to 64-fold microstepping |
| Current Controller Frequency | Approx. 25 kHz |
| Resolution | Approx. 5000 positions per revolution |
| Encoder Input Signal | 5…24 V DC, typ. 5 mA, single-ended |
| Input Frequency | Max. 400,000 increments/s (4-fold evaluation) |
| Electrical Isolation | 500 V (K-bus/signal voltage) |
| Current Consumption (Power Contacts) | Typ. 35 mA |
| Current Consumption (K-bus) | Typ. 100 mA |
| Bit Width in Process Image | Input/output: 2 × 16-bit data + 1 × 8-bit control/status |
| Special Features | Encoder input, travel distance control, microstepping, diagnostics LEDs |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -25°C to +85°C |
| Protection Class | IP20 |
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