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  3. BECKHOFF KL3021

BECKHOFF KL3021 Bus Terminal Analog 1-CHANNEL

Kl3021 Beckhoff Bus Terminal 1-channel Analog Input Current 4 20 Ma Used

( Brand: Beckhoff ), ( Manufacturer Part Number: KL3021 ), ( Analog/digital: Analog )

Review BECKHOFF Bus Terminal 1-channel Analog Input Current Ma Used

The Beckhoff KL3021 Bus Terminal is a versatile and high-performance I/O device, designed for seamless integration into Beckhoff's TwinCAT 3 automation software. This particular model, the KL3021 with 1-channel analog 20, specializes in handling analog input signals with a high resolution and accuracy.

The analog input channel supports a wide range of voltages (0-10V, 4-20mA), making it compatible with a multitude of industrial sensors and systems. The 20 in the product name signifies the input range, which can be programmed from 0V to 20V, providing flexibility for different application requirements.

The Beckhoff KL3021 is built with a compact, DIN-rail mountable design, ensuring space-saving installation in control panels. It operates efficiently with a sampling rate of up to 100 kHz, ensuring real-time data processing and rapid response to changes in the input signal.

The bus terminal supports various communication protocols such as EtherCAT, Profinet, and Modbus TCP/IP, allowing easy integration into existing automation systems or networks. Moreover, it features a built-in safety function that complies with SIL 3 and PL e according to IEC 61508, enhancing the safety and reliability of your industrial applications.

In summary, the Beckhoff KL3021 Bus Terminal 1-channel analog 20 is an excellent choice for applications requiring high-resolution analog input, flexible input range programming, and seamless integration into diverse industrial automation systems. Its compact design, high sampling rate, and support for multiple communication protocols make it a versatile and reliable solution for your industrial measuring tasks.

**Beckhoff KL3021 Bus Terminal (1-channel Analog 20) Pros:**

1. High-precision analog input: The KL3021 supports up to 20 analog input channels with a resolution of 16 bits, providing accurate and reliable data reading.

2. TwinSAFE technology: The terminal integrates TwinSAFE technology, enabling safe and reliable operation in safety-related applications.

3. Wide voltage range: The KL3021 operates over a wide voltage range (10 to 30 V DC) and can be powered from various sources, making it flexible for different application scenarios.

4. Extensive compatibility: The terminal is compatible with various Beckhoff I/O systems and communication protocols, such as EtherCAT, PROFIBUS, and CANopen, allowing seamless integration into existing systems.

5. Modular design: The KL3021 can be easily integrated into modular automation systems thanks to its compact size and DIN rail mounting option.

**Beckhoff KL3021 Bus Terminal (1-channel Analog 20) Cons:**

1. Limited channel count: With only one channel, the KL3021 may not be suitable for applications requiring multiple analog inputs.

2. Higher cost: Compared to other analog input solutions, the KL3021 may have a higher price point due to its advanced features and high-quality components.

3. Requires specialized knowledge: Implementing the KL3021 may require a certain level of expertise in Beckhoff systems and TwinCAT software, which could pose a challenge for less experienced users.

4. Potential compatibility issues: While the KL3021 is compatible with various communication protocols, it is essential to ensure compatibility with other devices and systems in your application to avoid potential issues during integration.

**Conclusion:**

The Beckhoff KL3021 Bus Terminal (1-channel Analog 20) is an ideal solution for safety-critical applications that require high-precision analog input. Its integration with TwinSAFE technology, wide voltage range, and compatibility with various Beckhoff I/O systems make it a versatile choice for modular automation systems. However, its limited channel count, higher cost, and potential complexity may make it less suitable for applications requiring multiple analog inputs or for users without specialized knowledge of Beckhoff systems and TwinCAT software.

**Recommendation:**

If you're looking for a high-quality, safe, and reliable analog input solution for a single channel in a Beckhoff-based application, the KL3021 is an excellent choice. For applications requiring multiple analog inputs or a lower cost solution, you may want to consider other analog input solutions or expandable I/O systems that offer more channel options. It is crucial to carefully evaluate your application requirements and budget before making a decision.

Details:

Beckhoff KL3021, Bus Terminal, 1-channel analog input, current, 4 20 mA, 12 bit, differential, Used KL3021.

part #: kl3021 prices

  • $75.00-$155.00

specifications sensoindustria:

  • brand: Beckhoff
  • mpn: Kl3021
  • analog/digital: Analog

seller sensoindustria:

  • city: Sauk Centre, Minnesota
  • # reviews: 383
  • rating: 100.0%

general sensoindustria:

  • condition: Used
  • PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

offer sensoindustria:

  • availability: In Stock
  • started: July 3, 2025
  • quantity: 6
  • options: Ship-to-home
  • best offers: True
  • sold: 0

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  • credit card: Mastercard

returns sensoindustria:

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

shipping sensoindustria:

  • carrier: USPS, UPS
  • cost: $5.50
  • class: Standard, One-day, Expedited
  • type: Calculated
  • service: USPS Ground Advantage, UPS Next Day Air, UPS Next Day Air Saver, USPS Priority Mail Express
  • transit: 6-9 Days
analog/digital: analog,
category: business & industrial > plcs hmis > plc peripheral modules > plc input output modules, sku: 16813231103495502,
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5 offers $75.00–$155.00 USD
  • New – Open box. Offer #1 priced at $155.00 + $0.00 shipping estimate = $155.00* total. Model #: .FREE SHIPPING
  • Used. Offer #2 priced at $75.00 + $7.44 shipping estimate = $82.44* total. SIGMA Surplus is a division of SIGMA Group ANALOG INPUT.+$7.44 shipping
  • Used. Offer #3 priced at $90.00 + $8.30 shipping estimate = $98.30* total. Beckhoff .+$8.30 shipping
  • New. Offer #4 priced at $175.00 + $0.00 shipping estimate = $175.00* total. This is end of year surplus. BECKHOFF New.FREE SHIPPING
  • New. Offer #5 priced at $226.80 + $0.00 shipping estimate = $226.80* total. Direct resolution attempts encouraged before escalating to disputes.FREE SHIPPING

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