KS4011

BECKHOFF

Beckhoff KS4011 Bus Terminal

SKU KS4011

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: BECKHOFF
  • Product No.: KS4011
  • Origin Germany
  • Product Type: Bus Terminals
  • Payment: T/T, Western Union
  • Weight: 0.08 kg
  • Dimensions: 6.8 cm x 1.2 cm x 10.0 cm
  • Shipping port: Xiamen
  • Warranty: 12 months

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Bus Terminals
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Product Description

Description

Precision control of current-loop signals is a key component of modern process automation and remote I/O architectures. The Beckhoff KS4011 is a single-channel, single-ended analog output terminal designed to generate output signals in the 0 to 20 mA range with a 12-bit resolution. As part of the modular KS series, this device features a pluggable wiring level, enabling fast replacement and tool-free maintenance while maintaining consistent connection density on the DIN rail. The unit facilitates galvanic isolation up to 500 V between the internal K-bus and the output signal line, protecting upstream control controllers from field disturbances.

Features

  • Single-channel analog output with a standard 0 to 20 mA signal range.
  • 12-bit resolution provides precise signal conversion (~1.5 ms conversion time).
  • Pluggable connection level for simplified terminal replacement and reduced field wiring times.
  • Electrical isolation of 500 V (K-bus to signal voltage) for superior system reliability.
  • Compact 12 mm modular housing designed for side-by-side assembly via a double slot-and-key connection system.

Applications

  • Process loop control (e.g., modulating valves, pneumatic actuators, and positioners).
  • Variable frequency drive speed referencing via current-loop inputs.
  • Remote industrial automation configurations within oil and gas, chemical processing, and water treatment systems.
  • ATEX Zone 2 hazardous location field installations.

Technical Specifications

Parameter Specification
Manufacturer Beckhoff
Part Number/Model KS4011
Number of Outputs 1 (single-ended)
Signal Current Range 0 to 20 mA
Resolution 12 bit
Conversion Time ~ 1.5 ms
Output Error < +/-0.1 % (relative to full-scale value)
Load Resistance < 500 ohm
Power Supply 24 V DC via power contacts (alternative: 15 V DC via KL9515 power supply terminal)
Current Consumption (K-bus) typ. 60 mA
Current Consumption (Power Contacts) typ. 30 mA + load
Process Image Bit Width 1 x 16-bit data (optional 1 x 8-bit control/status)
Isolation Voltage 500 V (K-bus to signal voltage)
Operating Temperature 0 to +55 degC
Storage Temperature -25 to +85 degC
Relative Humidity 95 %, non-condensing
Vibration/Shock Resistance Conforms to EN 60068-2-6 / EN 60068-2-27
EMC Immunity/Emission Conforms to EN 61000-6-2 / EN 61000-6-4
Protection Rating IP20
Housing Material Polycarbonate
Dimensions (L x W x H) 6.8 cm x 1.2 cm x 10.0 cm
Weight 0.08 kg

Connections and Interfaces

Connection Metric Specification
Wiring Mechanism Spring actuation via screwdriver tool
Solid/Stranded Wire Section 0.08 to 1.5 mm2 (AWG 28 to 16)
Flexible Wire Section 0.14 to 1.5 mm2 (AWG 26 to 16)
Stripping Length 9 to 10 mm
Max. Power Contact Current 10 A

Installation Guidelines

  • Mount vertically or horizontally on standard 35 mm DIN rails complying with EN 60715. Ensure the interlocking mechanism is locked to prevent loose connections on the backplane.
  • Ensure all spring terminals are wired using conductors stripped to the recommended length (9 to 10 mm) to prevent exposure or poor electrical contact.
  • Before detaching the pluggable KS connection level, disconnect the power supply to prevent damage to the K-bus backplane logic.
  • Provide sufficient ventilation around the terminal cluster to maintain ambient operating temperatures within the 0 to +55 degC limits.

Compliance and Certifications

  • CE
  • UL
  • ATEX (II 3 G Ex nA IIC T4 Gc)
  • DNVGL
Shipping &amp; Returns

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.

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.
FAQ
What is the primary function of the Beckhoff KS4011 Bus Terminal?
The Beckhoff KS4011 is a 1-channel analog output terminal designed to convert digital process values from the K-bus backplane into an analog signal current of 0 to 20 mA at 12-bit resolution for controlling field actuators.
What is the difference between KL and KS series terminals?
Unlike the standard KL series, KS series terminals like the KS4011 feature a pluggable wiring level. This allows the terminal's wiring connection block to be easily detached from the main module housing, enabling fast replacement without rewiring.
Can the KS4011 operate on external power supply ratings lower than 24 V DC?
Yes. While the KS4011 is designed to consume 24 V DC via the integrated power contacts, it can alternatively be operated with 15 V DC when connected via a KL9515 power supply terminal.
Is the KS4011 suitable for hazardous locations?
Yes, the KS4011 is ATEX certified with the marking II 3 G Ex nA IIC T4 Gc, making it suitable for Zone 2 hazardous areas.
Reviews

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Beckhoff KS4011 Bus Terminal

Only 10 item(s) left in stock

  • Manufacturer: BECKHOFF

  • Product No.: KS4011

  • Country of origin:Germany

  • Product Type: Bus Terminals

  • Payment: T/T, Western Union

  • Weight: 80g

  • Dimensions: 6.8 cm x 1.2 cm x 10.0 cm

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Description
FAQ
Shipping Returns
Additional details
Reviews

Description

Precision control of current-loop signals is a key component of modern process automation and remote I/O architectures. The Beckhoff KS4011 is a single-channel, single-ended analog output terminal designed to generate output signals in the 0 to 20 mA range with a 12-bit resolution. As part of the modular KS series, this device features a pluggable wiring level, enabling fast replacement and tool-free maintenance while maintaining consistent connection density on the DIN rail. The unit facilitates galvanic isolation up to 500 V between the internal K-bus and the output signal line, protecting upstream control controllers from field disturbances.

Features

  • Single-channel analog output with a standard 0 to 20 mA signal range.
  • 12-bit resolution provides precise signal conversion (~1.5 ms conversion time).
  • Pluggable connection level for simplified terminal replacement and reduced field wiring times.
  • Electrical isolation of 500 V (K-bus to signal voltage) for superior system reliability.
  • Compact 12 mm modular housing designed for side-by-side assembly via a double slot-and-key connection system.

Applications

  • Process loop control (e.g., modulating valves, pneumatic actuators, and positioners).
  • Variable frequency drive speed referencing via current-loop inputs.
  • Remote industrial automation configurations within oil and gas, chemical processing, and water treatment systems.
  • ATEX Zone 2 hazardous location field installations.

Technical Specifications

Parameter Specification
Manufacturer Beckhoff
Part Number/Model KS4011
Number of Outputs 1 (single-ended)
Signal Current Range 0 to 20 mA
Resolution 12 bit
Conversion Time ~ 1.5 ms
Output Error < +/-0.1 % (relative to full-scale value)
Load Resistance < 500 ohm
Power Supply 24 V DC via power contacts (alternative: 15 V DC via KL9515 power supply terminal)
Current Consumption (K-bus) typ. 60 mA
Current Consumption (Power Contacts) typ. 30 mA + load
Process Image Bit Width 1 x 16-bit data (optional 1 x 8-bit control/status)
Isolation Voltage 500 V (K-bus to signal voltage)
Operating Temperature 0 to +55 degC
Storage Temperature -25 to +85 degC
Relative Humidity 95 %, non-condensing
Vibration/Shock Resistance Conforms to EN 60068-2-6 / EN 60068-2-27
EMC Immunity/Emission Conforms to EN 61000-6-2 / EN 61000-6-4
Protection Rating IP20
Housing Material Polycarbonate
Dimensions (L x W x H) 6.8 cm x 1.2 cm x 10.0 cm
Weight 0.08 kg

Connections and Interfaces

Connection Metric Specification
Wiring Mechanism Spring actuation via screwdriver tool
Solid/Stranded Wire Section 0.08 to 1.5 mm2 (AWG 28 to 16)
Flexible Wire Section 0.14 to 1.5 mm2 (AWG 26 to 16)
Stripping Length 9 to 10 mm
Max. Power Contact Current 10 A

Installation Guidelines

  • Mount vertically or horizontally on standard 35 mm DIN rails complying with EN 60715. Ensure the interlocking mechanism is locked to prevent loose connections on the backplane.
  • Ensure all spring terminals are wired using conductors stripped to the recommended length (9 to 10 mm) to prevent exposure or poor electrical contact.
  • Before detaching the pluggable KS connection level, disconnect the power supply to prevent damage to the K-bus backplane logic.
  • Provide sufficient ventilation around the terminal cluster to maintain ambient operating temperatures within the 0 to +55 degC limits.

Compliance and Certifications

  • CE
  • UL
  • ATEX (II 3 G Ex nA IIC T4 Gc)
  • DNVGL
Key Features:
#Bus Terminals

What is the primary function of the Beckhoff KS4011 Bus Terminal?
The Beckhoff KS4011 is a 1-channel analog output terminal designed to convert digital process values from the K-bus backplane into an analog signal current of 0 to 20 mA at 12-bit resolution for controlling field actuators.

What is the difference between KL and KS series terminals?
Unlike the standard KL series, KS series terminals like the KS4011 feature a pluggable wiring level. This allows the terminal's wiring connection block to be easily detached from the main module housing, enabling fast replacement without rewiring.

Can the KS4011 operate on external power supply ratings lower than 24 V DC?
Yes. While the KS4011 is designed to consume 24 V DC via the integrated power contacts, it can alternatively be operated with 15 V DC when connected via a KL9515 power supply terminal.

Is the KS4011 suitable for hazardous locations?
Yes, the KS4011 is ATEX certified with the marking II 3 G Ex nA IIC T4 Gc, making it suitable for Zone 2 hazardous areas.

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

Country of origin
Germany

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