
*Image shown is a representation only. Actual product may vary.
Beckhoff KL6021
by Beckhoff
Read verified buyer reviews ↓OverviewThe Beckhoff KL6021 offers a superior solution for integrating RS422 and RS485 communication within industrial environments. This serial interface terminal is a core part of the Beckhoff Bus Terminal system, enabling the direct connection of many devices that rely on serial interfaces. The KL6021 ensures smooth and rapid data exchange, providing reliable functionality across a diverse range of industrial applications. Its engineering focuses on simple integration and consistent communication, making it an essential component for contemporary automation networks.Key Features Flexible Serial Standards: Compatible with both RS422 and RS485 communication protocols, offering diverse connectivity options for industrial devices. Direct Bus Terminal Integration: Specifically designed for straightforward integration into the Beckhoff Bus Terminal system, simplifying network structure and setup. Adjustable Duplex Modes: Operates in full-duplex and half-duplex modes, adapting to various communication demands. Space-Saving Design: Compact and modular form factor efficiently utilizes control cabinet space. Dependable Industrial Communication: Provides stable and secure data transmission, crucial for demanding industrial operations. Technical Specifications Beckhoff Code: KL6021 System: Bus Terminal system Function: Serial communication interface Standards Supported: RS422, RS485 Baud Rate: Up to 115.2 kbaud Mounting: DIN rail Operating Temperature: –25 °C to +55 °C Certifications: CE, UL Applications Machine-to-Machine (M2M) Connectivity: Facilitates efficient and reliable data exchange between automated equipment. Sensor and Actuator Integration: Provides a robust connection point for a wide variety of sensors and actuators using serial communication. Industrial Control Systems: Ensures seamless integration of diverse industrial controllers and peripheral equipment. Process Automation: Essential for data acquisition and control within complex process automation setups. Distributed I/O Solutions: Supports efficient communication within distributed input/output architectures, improving system scalability. Why Choose This Model?The Beckhoff KL6021 is an outstanding selection for automation specialists seeking a reliable and adaptable serial communication solution. Its inherent versatility, supporting both RS442 and RS485 standards, guarantees compatibility with a wide array of current and future industrial equipment. The compact, modular construction optimizes cabinet space and contributes to simplified system layouts. Most importantly, the KL6021 ensures consistent data transmission, which is critical for maintaining operational integrity and preventing downtime in essential industrial processes. Supported by Beckhoff's established reputation for quality and seamless integration, this terminal delivers a robust and future-proof solution for enhancing your automation systems. Choose the KL6021 for its proven performance, straightforward integration, and the peace of mind that comes with Beckhoff's trusted engineering.Order NowUpgrade your industrial automation capabilities today with the Beckhoff KL6021. This dependable RS422/RS485 serial interface terminal is designed to deliver superior performance and trouble-free integration into your Bus Terminal system. Experience enhanced data communication and efficiency across your operations. Secure your Beckhoff KL6021 now to leverage Beckhoff's advanced technology and refine your automation processes.FAQQ: What communication standards does the Beckhoff KL6021 support?A: The Beckhoff KL6021 supports both RS422 and RS485 communication standards, offering broad compatibility for industrial applications.Q: What is the maximum baud rate supported by the KL6021?A: The KL6021 supports a baud rate of up to 115.2 kbaud for efficient data transmission.Q: How is the Beckhoff KL6021 typically mounted?A: The Beckhoff KL6021 is designed for DIN rail mounting, allowing for easy installation and integration into control cabinets.
USA — Free FedEx Priority & UPS Ground · Worldwide shipping available
For more quantity please contact Customer Service
Fast Shipping
Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.
Availability
Thousands of parts in stock — ready for immediate dispatch from Florida.
Payment Flexibility
AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.
Beckhoff KL6021
Overview
This is a genuine Beckhoff component from the Bus Terminals (KL) family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Beckhoff catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Beckhoff automation ecosystem
- Engineered to integrate inside Bus Terminals (KL) installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Beckhoff equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Beckhoff catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Beckhoff platform with documented conversion notes for the Bus Terminals (KL) family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Beckhoff Code: KL6021
- System: Bus Terminal system
- Function: Serial communication interface
- Standards Supported: RS422, RS485
- Baud Rate: Up to 115.2 kbaud
- Mounting: DIN rail
- Operating Temperature: –25 °C to +55 °C
- Certifications: CE, UL
Applications
- Machine-to-Machine (M2M) Connectivity: Facilitates efficient and reliable data exchange between automated equipment.
- Sensor and Actuator Integration: Provides a robust connection point for a wide variety of sensors and actuators using serial communication.
- Industrial Control Systems: Ensures seamless integration of diverse industrial controllers and peripheral equipment.
- Process Automation: Essential for data acquisition and control within complex process automation setups.
- Distributed I/O Solutions: Supports efficient communication within distributed input/output architectures, improving system scalability.
Why Choose the KL6021?
The Beckhoff KL6021 is an outstanding selection for automation specialists seeking a reliable and adaptable serial communication solution. Its inherent versatility, supporting both RS442 and RS485 standards, guarantees compatibility with a wide array of current and future industrial equipment. The compact, modular construction optimizes cabinet space and contributes to simplified system layouts. Most importantly, the KL6021 ensures consistent data transmission, which is critical for maintaining operational integrity and preventing downtime in essential industrial processes. Supported by Beckhoff's established reputation for quality and seamless integration, this terminal delivers a robust and future-proof solution for enhancing your automation systems. Choose the KL6021 for its proven performance, straightforward integration, and the peace of mind that comes with Beckhoff's trusted engineering.
Availability & Shipping
- ▸In stock: KL6021 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every KL6021 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Beckhoff
Machine down? We ship parts the same day.
New, surplus, and refurbished Beckhoff inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Related Beckhoff resources
What Verified Buyers Say
No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.
Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.