BECKHOFF KL3022 Bus Terminal

Q: What is the primary function of the BECKHOFF KL3022?

The BECKHOFF KL3022 is a 2-channel analog input Bus Terminal designed to measure standard 4 to 20 mA current signals and convert them into 12-bit digital values for processing by a K-bus controller.

Q: Does the BECKHOFF KL3022 utilize differential or single-ended inputs?

The BECKHOFF KL3022 features differential inputs, which provide superior noise rejection and immunity to ground loops compared to single-ended inputs.

Q: What is the electrical isolation rating of the BECKHOFF KL3022?

The BECKHOFF KL3022 provides an electrical isolation of 500 V between the internal K-bus and the input signal circuitry.

Q: How is the BECKHOFF KL3022 powered?

The BECKHOFF KL3022 is powered internally via the K-bus connection from the bus coupler or controller terminal.

SKU KL3022

In stock

12-month warranty
Free returns within 30 days

Manufacturer: BECKHOFF
Product No.: KL3022
Country of origin:Germany
Product Type: Bus Terminals
Payment: T/T, Western Union
Weight: 70g
Shipping port: Xiamen
Warranty: 12 months

Description

The BECKHOFF KL3022 is a 2-channel analog input Bus Terminal designed for the acquisition of standard current signals in the range of 4 to 20 mA. Operating within the modular Beckhoff Bus Terminal system, this component converts analog field signals into digital values with a 12-bit resolution, ensuring reliable and electrically isolated data transmission to the higher-level controller via the K-bus.

Equipped with differential inputs, the BECKHOFF KL3022 is highly effective at rejecting common-mode noise and managing ground potential differences between field devices and the control cabinet. The integrated input circuitry provides robust signal integrity and protection against voltage surges in demanding industrial environments.

Features

Two independent analog input channels for 4 to 20 mA signals
12-bit digital resolution for accurate measurement representation
Differential input architecture for enhanced noise and common-mode voltage suppression
Electrical isolation of 500 V between the K-bus and the input signal circuitry
Compact, DIN-rail mountable housing conforming to the standard Beckhoff Bus Terminal design

Applications

Process instrumentation monitoring, including flow, pressure, and level transmitters
Integration of standard 2-wire and 4-wire loop-powered industrial sensors
General machinery control and distributed analog data acquisition

Technical Specifications

Parameter	Specification
Manufacturer	BECKHOFF
Model	KL3022
Number of Inputs	2
Signal Current Range	4 to 20 mA
Input Type	Differential
Resolution	12 bit
Internal Resistance	Typ. 80 ohms + diode voltage 0.7 V
Common-Mode Voltage (Ucm)	Max. 35 V
Conversion Time	Approx. 2 ms
Measuring Error / Uncertainty	< ±0.3% (relative to full scale value)
Surge Voltage Resistance	35 V DC
Electrical Isolation	500 V (K-bus / signal voltage)
Power Supply	Via the K-bus
Operating Temperature	-25 to +60 degC
Storage Temperature	-40 to +85 degC
Relative Humidity	95%, non-condensing
Weight	Approx. 70 g

Installation Guidelines

Ensure that the entire system power supply is completely de-energized before mounting, removing, or wiring the module.
Mount the KL3022 onto a standard 35 mm DIN rail (EN 60715) by snapping it onto the rail until the locking mechanism engages securely.
Align and push the terminal horizontally to ensure proper electrical contact of the K-bus and potential contacts with adjacent terminals.
Connect the field signal wires to the tension clamp connection points using suitable conductor cross-sections.
For applications subject to high electromagnetic interference, connect the cable shield directly to the mounting rail or designated shielding terminals.
Apply power to the system and observe the diagnostic LEDs to verify proper startup and K-bus communication.

FAQ

What is the primary function of the BECKHOFF KL3022?

The BECKHOFF KL3022 is a 2-channel analog input Bus Terminal designed to measure standard 4 to 20 mA current signals and convert them into 12-bit digital values for processing by a K-bus controller.

Does the BECKHOFF KL3022 utilize differential or single-ended inputs?

The BECKHOFF KL3022 features differential inputs, which provide superior noise rejection and immunity to ground loops compared to single-ended inputs.

What is the electrical isolation rating of the BECKHOFF KL3022?

The BECKHOFF KL3022 provides an electrical isolation of 500 V between the internal K-bus and the input signal circuitry.

How is the BECKHOFF KL3022 powered?

The BECKHOFF KL3022 is powered internally via the K-bus connection from the bus coupler or controller terminal.

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Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our technical warranty.

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Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

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