KL5151-0021 | Beckhoff Bus Terminal Incremental Encoder Interface 24 V DC 32-Bit Counter
KL5151-0021 | Beckhoff Bus Terminal Incremental Encoder Interface 24 V DC 32-Bit Counter
KL5151-0021 | Beckhoff Bus Terminal Incremental Encoder Interface 24 V DC 32-Bit Counter
    KL5151-0021 | Beckhoff Bus Terminal Incremental Encoder Interface 24 V DC 32-Bit Counter
KL5151-0021 | Beckhoff Bus Terminal Incremental Encoder Interface 24 V DC 32-Bit Counter

KL5151-0021 | Beckhoff Bus Terminal Incremental Encoder Interface 24 V DC 32-Bit Counter

Part #: KL5151-0021 Manufactured by: Beckhoff
Regular price
$697.00
Sale price
$697.00
Regular price
1 in Stock
Condition: New-Surplus Original Box
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Product Overview
The Beckhoff KL5151-0021 is a 1-channel incremental encoder interface Bus Terminal with a 32-bit counter, supporting quadr...  Read more
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Product Description P/N: KL5151-0021

Description / Specifications

Description 

The Beckhoff KL5151-0021 is a 1-channel incremental encoder interface Bus Terminal designed for high-precision motion feedback in automation systems. Operating at 24 V DC, it supports quadrature decoding with 32-bit resolution and input frequencies up to 100 kHz, providing accurate position and speed measurement for industrial encoders.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Beckhoff
Category Industrial Automation
Part Number KL5151-0021
Subcategory Bus Terminal
Function 1-channel incremental encoder interface
Technology Incremental encoder interface, EN 61131-2 type 1
Number of Channels 1
Encoder Connection A, B, C, gate/latch, 24 V
Sensor Inputs 1
Encoder Operating Voltage 24 V DC
Counter 32-bit binary counter
Limit Frequency 400,000 increments/s (with 4-fold evaluation)
Quadrature Decoder 4-fold evaluation
Zero-Pulse Latch 32-bit
Supported Commands Read, set, enable
Signal Levels “0”: < 5 V DC, “1”: > 15 V DC (typ. 5 mA)
Power Supply 24 V DC (-15%/+20%)
Current Consumption (K-bus) Typ. 40 mA
Bit Width in Process Image 2 × 32-bit data, 2 × 8-bit control/status
Electrical Isolation 500 V (K-bus/signal voltage)
Protection Class IP20
Weight Approx. 50 g
Operating Temperature -25°C to +60°C
Storage Temperature -40°C to +85°C
Relative Humidity 95%, non-condensing

 


Information About KL5151-0021

The Beckhoff KL5151-0021 Bus Terminal provides a high-performance interface for incremental encoders in automation and motion control systems. It captures encoder signals such as A, B, and C phases as well as gate and latch inputs, converting them into digital position and speed data through a 32-bit counter. The terminal supports quadrature decoding with 4-fold evaluation, allowing it to detect both rotation direction and fine position changes with high accuracy. Operating on a 24 V DC supply, it handles input frequencies up to 100 kHz (400,000 increments/s), making it suitable for fast-moving applications. The terminal integrates seamlessly into Beckhoff’s modular I/O system via the K-bus, providing reliable communication and synchronization with PLCs. Its compact design, robust electrical isolation, and flexible command functions enable precise motion tracking and control across diverse automation environments.

Key Features:

  • Incremental Encoder Interface: Supports one encoder channel with A, B, and C signals, suitable for industrial motion feedback.
  • High-Resolution Counting: 32-bit counter ensures fine-grained measurement for precise position detection.
  • Fast Signal Processing: Handles up to 400,000 increments per second with 4-fold quadrature decoding for accurate speed and direction sensing.
  • Configurable Operation: Offers read, set, and enable commands for flexible control and parameterization via the automation controller.
  • Zero-Pulse Latching: Captures reference positions reliably using a 32-bit zero-pulse latch function.
  • Robust Signal Handling: Compatible with 24 V HTL signals per EN 61131-2 Type 1 specification, ensuring noise immunity.
  • Electrical Isolation: 500 V separation between K-bus and signal voltage protects the control system from field disturbances.
  • Compact Modular Integration: Designed for K-bus systems, simplifying installation and scalability within automation architectures.
  • Reliable Performance: Operates across a wide temperature range from -25°C to +60°C for demanding industrial environments.
  • Low Power Consumption: Efficient design draws only 40 mA from the K-bus, reducing system load.

The KL5151-0021 delivers the reliability and precision required for position sensing, speed measurement, and feedback integration in industrial motion control applications.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Beckhoff KL5151-0021 is a 1-channel incremental encoder interface Bus Terminal designed for high-precision motion feedback in automation systems. Operating at 24 V DC, it supports quadrature decoding with 32-bit resolution and input frequencies up to 100 kHz, providing accurate position and speed measurement for industrial encoders.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Beckhoff
Category Industrial Automation
Part Number KL5151-0021
Subcategory Bus Terminal
Function 1-channel incremental encoder interface
Technology Incremental encoder interface, EN 61131-2 type 1
Number of Channels 1
Encoder Connection A, B, C, gate/latch, 24 V
Sensor Inputs 1
Encoder Operating Voltage 24 V DC
Counter 32-bit binary counter
Limit Frequency 400,000 increments/s (with 4-fold evaluation)
Quadrature Decoder 4-fold evaluation
Zero-Pulse Latch 32-bit
Supported Commands Read, set, enable
Signal Levels “0”: < 5 V DC, “1”: > 15 V DC (typ. 5 mA)
Power Supply 24 V DC (-15%/+20%)
Current Consumption (K-bus) Typ. 40 mA
Bit Width in Process Image 2 × 32-bit data, 2 × 8-bit control/status
Electrical Isolation 500 V (K-bus/signal voltage)
Protection Class IP20
Weight Approx. 50 g
Operating Temperature -25°C to +60°C
Storage Temperature -40°C to +85°C
Relative Humidity 95%, non-condensing

 


Information About KL5151-0021

The Beckhoff KL5151-0021 Bus Terminal provides a high-performance interface for incremental encoders in automation and motion control systems. It captures encoder signals such as A, B, and C phases as well as gate and latch inputs, converting them into digital position and speed data through a 32-bit counter. The terminal supports quadrature decoding with 4-fold evaluation, allowing it to detect both rotation direction and fine position changes with high accuracy. Operating on a 24 V DC supply, it handles input frequencies up to 100 kHz (400,000 increments/s), making it suitable for fast-moving applications. The terminal integrates seamlessly into Beckhoff’s modular I/O system via the K-bus, providing reliable communication and synchronization with PLCs. Its compact design, robust electrical isolation, and flexible command functions enable precise motion tracking and control across diverse automation environments.

Key Features:

  • Incremental Encoder Interface: Supports one encoder channel with A, B, and C signals, suitable for industrial motion feedback.
  • High-Resolution Counting: 32-bit counter ensures fine-grained measurement for precise position detection.
  • Fast Signal Processing: Handles up to 400,000 increments per second with 4-fold quadrature decoding for accurate speed and direction sensing.
  • Configurable Operation: Offers read, set, and enable commands for flexible control and parameterization via the automation controller.
  • Zero-Pulse Latching: Captures reference positions reliably using a 32-bit zero-pulse latch function.
  • Robust Signal Handling: Compatible with 24 V HTL signals per EN 61131-2 Type 1 specification, ensuring noise immunity.
  • Electrical Isolation: 500 V separation between K-bus and signal voltage protects the control system from field disturbances.
  • Compact Modular Integration: Designed for K-bus systems, simplifying installation and scalability within automation architectures.
  • Reliable Performance: Operates across a wide temperature range from -25°C to +60°C for demanding industrial environments.
  • Low Power Consumption: Efficient design draws only 40 mA from the K-bus, reducing system load.

The KL5151-0021 delivers the reliability and precision required for position sensing, speed measurement, and feedback integration in industrial motion control applications.

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