BECKHOFF

BECKHOFF IP2042-B730 Modbus Fieldbus Box

SKU IP2042-B730

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: BECKHOFF
  • Product No.: IP2042-B730
  • Origin Germany
  • Product Type: Fieldbus Boxes
  • Payment: T/T, Western Union
  • Weight: 0.21 kg
  • Dimensions: 30 mm x 175 mm x 26.5 mm
  • Shipping port: Xiamen
  • Warranty: 12 months

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Product Description

Description

The BECKHOFF IP2042-B730 is an 8-channel digital output fieldbus module designed to interface digital actuators with a Modbus network. This decentralized I/O device is part of the Fieldbus Box series, which enables direct mounting on machinery without the need for a protective control cabinet, reducing cabling efforts and installation footprint.

This module features eight digital outputs rated for 24 V DC nominal voltage. Each channel supports a continuous load current of up to 2 A, making it highly suitable for driving ohmic, inductive, and lamp loads. To ensure system reliability and protection against field-side faults, all outputs are individually short-circuit proof.

Housed in a compact and durable polyamide enclosure, the BECKHOFF IP2042-B730 offers high environmental ingress protection (IP65/66/67). It communicates via Modbus RTU or ASCII protocols over an RS485 physical layer, supporting adjustable data transfer rates up to 38,400 baud. Setup is easily accomplished using built-in address selection switches or the KS2000 configuration software.

Features

  • Eight 24 V DC digital outputs in a decentralized, cabinet-free form factor.
  • Up to 2 A switching current per channel with individual short-circuit protection.
  • Direct Modbus RTU/ASCII communication over RS485.
  • Robust polyamide PA6 housing certified for IP65, IP66, and IP67 protection ratings.
  • M12 connection technology for field devices and bus interfacing.
  • Onboard address selection switches for convenient node configuration.

Applications

  • Distributed digital actuator control in decentralized industrial automation setups.
  • Direct connection of high-current loads such as solenoid valves, contactors, and signaling equipment.
  • On-machine installation in harsh environments prone to dust, moisture, and vibration.

Technical Specifications

General

Parameter Specification
Manufacturer BECKHOFF
Model IP2042-B730
Product Type Fieldbus Box (Digital Output)
Housing Material PA6 (polyamide)
Configuration Options Address selection switch or KS2000 software

Digital Outputs

Parameter Specification
Number of Outputs 8
Output Connections M12, screw-type
Load Type Ohmic, inductive, lamp load
Nominal Output Voltage 24 V DC (-15% / +20%)
Max. Output Current 2 A per channel (individually short-circuit proof)
Total Maximum Current 12 A (Channels 0...3: max 4 A, 4+5: max 4 A, 6+7: max 4 A)
Short-Circuit Current Typical 4 A
Auxiliary Power Current Typical 50 mA per channel
Process Image Bit Width 8 outputs

Electrical and Power

Parameter Specification
Control Voltage Power Supply 24 V DC (-15% / +20%) via M8 male socket, 4-pin (feed only)
Load Voltage Power Supply According to I/O type
Box Supply Current 45 mA + sensor current consumption (max. 0.5 A)
Electrical Isolation Control voltage to fieldbus: yes; Channels to control voltage: no; Between channels: no

Communication

Parameter Specification
Protocol Modbus RTU/ASCII
Data Transfer Rates 150, 300, 600, 1200, 2400, 4800, 9600, 19,200, 38,400 baud
Bus Interface 1 x M12 socket, 5-pin, B-coded
Physical Medium Screened, twisted copper cable 2 x 0.25 mm squared (RS485)
Max. Distance Between Stations Up to 1200 m (depending on selected baud rate)

Physical and Environmental

Parameter Specification
Dimensions (W x H x D) 30 mm x 175 mm x 26.5 mm
Weight Approx. 210 g
Operating Temperature 0 to +55 degC
Storage Temperature -25 to +85 degC
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 Class IP65, IP66, IP67 (conforms to EN 60529)
Approvals and Markings CE, UL

Connections / Interfaces

Interface Type Connection Details
Modbus RTU Bus Interface 1 x M12 socket, 5-pin, B-coded
Digital Outputs M12, screw-type connection points
Power Supply Connection Feed: 2 x M8 male socket, 4-pin (no downstream connection)

Installation Guidelines

  1. Verify that the BECKHOFF IP2042-B730 model and physical housing are free of damage before beginning installation.
  2. Ensure all power supplies (control voltage and load supply) are fully de-energized before mounting or wiring the unit.
  3. Secure the module directly to the machinery surface using the two integrated 3.5 mm mounting holes designed for M3 screws.
  4. Connect the Modbus network using a screened, twisted-pair RS485 cable terminated with compatible B-coded M12 connectors.
  5. Connect the digital actuators to the M12 output interfaces, ensuring that the total current draw per output group does not exceed the maximum thermal ratings.
  6. Connect the 24 V DC power supply to the M8 feed interfaces.
  7. Verify correct address selection switch settings and confirm grounding integrity before restoring power.
Shipping & 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 IP2042-B730?
The BECKHOFF IP2042-B730 is an 8-channel digital output Modbus Fieldbus Box designed to control standard digital actuators directly on machinery, removing the need for an IP20 electrical control cabinet.
What load types can be connected to the BECKHOFF IP2042-B730 outputs?
The BECKHOFF IP2042-B730 supports ohmic, inductive, and lamp loads with a nominal output voltage of 24 V DC.
What is the maximum switching current supported per channel?
The BECKHOFF IP2042-B730 supports up to 2 A per channel. However, the total combined current must not exceed 12 A, distributed across designated channel groups.
How is the BECKHOFF IP2042-B730 fieldbus address configured?
The BECKHOFF IP2042-B730 can be configured either through the integrated address selection switches on the front of the module or via the KS2000 configuration software.
Does the BECKHOFF IP2042-B730 require a protective enclosure?
No, the BECKHOFF IP2042-B730 features an IP65/66/67-rated polyamide PA6 housing, allowing for direct, cabinet-free mounting on machines in harsh environments.
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IP2042-B730

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BECKHOFF IP2042-B730 Modbus Fieldbus Box

Only 10 item(s) left in stock
  • Manufacturer: BECKHOFF

  • Product No.: IP2042-B730

  • Country of origin:Germany

  • Product Type: Fieldbus Boxes

  • Payment: T/T, Western Union

  • Weight: 210g

  • Dimensions: 30 mm x 175 mm x 26.5 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

Quantity
View full details

Description

The BECKHOFF IP2042-B730 is an 8-channel digital output fieldbus module designed to interface digital actuators with a Modbus network. This decentralized I/O device is part of the Fieldbus Box series, which enables direct mounting on machinery without the need for a protective control cabinet, reducing cabling efforts and installation footprint.

This module features eight digital outputs rated for 24 V DC nominal voltage. Each channel supports a continuous load current of up to 2 A, making it highly suitable for driving ohmic, inductive, and lamp loads. To ensure system reliability and protection against field-side faults, all outputs are individually short-circuit proof.

Housed in a compact and durable polyamide enclosure, the BECKHOFF IP2042-B730 offers high environmental ingress protection (IP65/66/67). It communicates via Modbus RTU or ASCII protocols over an RS485 physical layer, supporting adjustable data transfer rates up to 38,400 baud. Setup is easily accomplished using built-in address selection switches or the KS2000 configuration software.

Features

  • Eight 24 V DC digital outputs in a decentralized, cabinet-free form factor.
  • Up to 2 A switching current per channel with individual short-circuit protection.
  • Direct Modbus RTU/ASCII communication over RS485.
  • Robust polyamide PA6 housing certified for IP65, IP66, and IP67 protection ratings.
  • M12 connection technology for field devices and bus interfacing.
  • Onboard address selection switches for convenient node configuration.

Applications

  • Distributed digital actuator control in decentralized industrial automation setups.
  • Direct connection of high-current loads such as solenoid valves, contactors, and signaling equipment.
  • On-machine installation in harsh environments prone to dust, moisture, and vibration.

Technical Specifications

General

Parameter Specification
Manufacturer BECKHOFF
Model IP2042-B730
Product Type Fieldbus Box (Digital Output)
Housing Material PA6 (polyamide)
Configuration Options Address selection switch or KS2000 software

Digital Outputs

Parameter Specification
Number of Outputs 8
Output Connections M12, screw-type
Load Type Ohmic, inductive, lamp load
Nominal Output Voltage 24 V DC (-15% / +20%)
Max. Output Current 2 A per channel (individually short-circuit proof)
Total Maximum Current 12 A (Channels 0...3: max 4 A, 4+5: max 4 A, 6+7: max 4 A)
Short-Circuit Current Typical 4 A
Auxiliary Power Current Typical 50 mA per channel
Process Image Bit Width 8 outputs

Electrical and Power

Parameter Specification
Control Voltage Power Supply 24 V DC (-15% / +20%) via M8 male socket, 4-pin (feed only)
Load Voltage Power Supply According to I/O type
Box Supply Current 45 mA + sensor current consumption (max. 0.5 A)
Electrical Isolation Control voltage to fieldbus: yes; Channels to control voltage: no; Between channels: no

Communication

Parameter Specification
Protocol Modbus RTU/ASCII
Data Transfer Rates 150, 300, 600, 1200, 2400, 4800, 9600, 19,200, 38,400 baud
Bus Interface 1 x M12 socket, 5-pin, B-coded
Physical Medium Screened, twisted copper cable 2 x 0.25 mm squared (RS485)
Max. Distance Between Stations Up to 1200 m (depending on selected baud rate)

Physical and Environmental

Parameter Specification
Dimensions (W x H x D) 30 mm x 175 mm x 26.5 mm
Weight Approx. 210 g
Operating Temperature 0 to +55 degC
Storage Temperature -25 to +85 degC
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 Class IP65, IP66, IP67 (conforms to EN 60529)
Approvals and Markings CE, UL

Connections / Interfaces

Interface Type Connection Details
Modbus RTU Bus Interface 1 x M12 socket, 5-pin, B-coded
Digital Outputs M12, screw-type connection points
Power Supply Connection Feed: 2 x M8 male socket, 4-pin (no downstream connection)

Installation Guidelines

  1. Verify that the BECKHOFF IP2042-B730 model and physical housing are free of damage before beginning installation.
  2. Ensure all power supplies (control voltage and load supply) are fully de-energized before mounting or wiring the unit.
  3. Secure the module directly to the machinery surface using the two integrated 3.5 mm mounting holes designed for M3 screws.
  4. Connect the Modbus network using a screened, twisted-pair RS485 cable terminated with compatible B-coded M12 connectors.
  5. Connect the digital actuators to the M12 output interfaces, ensuring that the total current draw per output group does not exceed the maximum thermal ratings.
  6. Connect the 24 V DC power supply to the M8 feed interfaces.
  7. Verify correct address selection switch settings and confirm grounding integrity before restoring power.
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What is the primary function of the BECKHOFF IP2042-B730?

The BECKHOFF IP2042-B730 is an 8-channel digital output Modbus Fieldbus Box designed to control standard digital actuators directly on machinery, removing the need for an IP20 electrical control cabinet.

What load types can be connected to the BECKHOFF IP2042-B730 outputs?

The BECKHOFF IP2042-B730 supports ohmic, inductive, and lamp loads with a nominal output voltage of 24 V DC.

What is the maximum switching current supported per channel?

The BECKHOFF IP2042-B730 supports up to 2 A per channel. However, the total combined current must not exceed 12 A, distributed across designated channel groups.

How is the BECKHOFF IP2042-B730 fieldbus address configured?

The BECKHOFF IP2042-B730 can be configured either through the integrated address selection switches on the front of the module or via the KS2000 configuration software.

Does the BECKHOFF IP2042-B730 require a protective enclosure?

No, the BECKHOFF IP2042-B730 features an IP65/66/67-rated polyamide PA6 housing, allowing for direct, cabinet-free mounting on machines in harsh environments.

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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