Beckhoff IL2302-B528 Fieldbus Box DeviceNet Coupler Box

SKU IL2302-B528

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12-month warranty
Free returns within 30 days

Manufacturer: BECKHOFF
Product No.: IL2302-B528
Country of origin:Germany
Product Type: Fieldbus Coupler Modules
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description

Engineered for decentralized field automation in demanding industrial environments, the Beckhoff IL2302-B528 acts as a robust DeviceNet communication adapter within the IP67-rated Fieldbus Box system. This modular coupler box enables the direct connection of up to 120 extension modules, managing a maximum data capacity of 512 bytes of input and 512 bytes of output data. By housing fieldbus components in a rugged, moisture-resistant enclosure, the Beckhoff IL2302-B528 eliminates the need for protective control cabinets, reducing cabling complexity and minimizing installation footprints on the factory floor.

Key Features

DeviceNet Connectivity: Integrates an onboard 5-pin M12 plug and socket interface with an integrated T-connector for direct bus looping.
Extensive I/O Expansion: Supports up to 960 digital inputs/outputs or up to 252 analog inputs/outputs across downstream extension blocks.
Flexible Configuration: Parametrization and commissioning are quickly managed via KS2000 software interface or explicit messaging from the master controller.
Automated Baud Rate Detection: Automatically identifies and synchronizes with DeviceNet network transfer speeds up to 500 kbaud.
High Environmental Resistance: IP65, IP66, and IP67 certified protection, making it ideal for wet, dusty, or high-vibration machinery layouts.

Industrial Applications

Automotive Assembly Lines: Direct mounting on robotic arms and transport fixtures without protective enclosures.
Packaging and Food Processing: Resists washdown routines and localized environmental exposure.
Material Handling and Logistics: Distributed I/O setups along widespread conveyor networks.

Technical Specifications

Manufacturer	Beckhoff
Model / Order Code	IL2302-B528
Fieldbus System	DeviceNet
Extension Modules	Max. 120 (Max. 512 bytes input / 512 bytes output)
Data Transfer Rates	Automatic baud rate detection up to 500 kbaud
Power Supply	24 V DC (-15% / +20%)
Current Consumption (Box Supply)	45 mA + current consumption of sensors (Max. 0.5 A)
Electrical Isolation	500 V (Control voltage / fieldbus)
Protection Rating	IP65, IP66, IP67 (conforms to EN 60529)
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
Approvals	CE, UL
Country of Origin	Germany
Shipping Weight (Calculated)	2.0 kg

Connections and Interfaces

Interface Type	Connection Details
DeviceNet Fieldbus	1 x M12 plug (5-pin), 1 x M12 socket (5-pin) with integrated loop-through tee-connector
Power Supply Input	1 x M8 male socket, 4-pin (Feed)
Downstream Power	1 x M8 female socket, 4-pin (Daisy-chain feed to next module)

Alternative Models & Compatibility

The IL2302-B528 forms part of the legacy IP67 Fieldbus Box range. When migrating systems or planning maintenance, verify that replacement units match the exact -B528 DeviceNet sub-protocol firmware specifications. Note that while EtherCAT-based modules (such as EP-series) are preferred for modern EtherCAT topologies, the IL2302-B528 remains critical for sustaining legacy DeviceNet architectures and Allen-Bradley scanner networks without re-engineering the PLC code.

Application Pitfalls & Engineering Notes

The internal logic of the IL2302-B528 draws 45 mA from the 24 V DC control voltage line, but cumulative sensor currents can quickly exceed the 0.5 A local module threshold. In systems with long IP67 extension cascades, verify the voltage drop across the M8 feed cables. Standard M8 distribution links drop voltage over distance; always install auxiliary power feed-in points if the calculated run drops below 20.4 V DC at the farthest extension node.

Commissioning & Wiring Tips

When configuring the DeviceNet trunk, ensure the correct baud rate matching. The IL2302-B528 auto-detects network speeds, but requires a stable fieldbus signal to execute lock-on. Ensure proper 121-ohm termination resistors are installed on both ends of the DeviceNet physical trunk. When utilizing the KS2000 configuration interface, utilize standard Beckhoff serial diagnostic cables (KS2000-Z2) connected directly to the programming port for configuration without network load.

Installation Guidelines

CRITICAL WARNING: Prior to mounting, commissioning, or servicing the IL2302-B528, isolate all power sources supplying the module, fieldbus network, and extension loops. Touching energized pins, particularly in wet environments, can trigger short circuits, corrupt communication lines, and cause localized hardware failure.

1

Mount the Fieldbus Box using M3 or M4 screws onto a flat, vibration-resistant surface. Avoid uneven mechanical stress to prevent damage to the sealed IP67 joints.

2

Connect the DeviceNet trunk lines to the integrated M12 connectors. Fully hand-tighten the coupling rings to secure the IP67 environmental seal.

3

Route the 24 V DC control voltage through the M8 inlet. Ensure matching polarity and secure the downstream daisy-chain links to consecutive modules.

FAQ

What is the maximum distance supported between stations using the IL2302-B528?

The maximum transmission distance depends on the DeviceNet configuration and selected baud rate: up to 500 meters at 125 kbaud, 250 meters at 250 kbaud, and 100 meters at 500 kbaud.

How is the DeviceNet node address (MAC ID) configured on this module?

The MAC ID and communication parameters can be mapped dynamically using the KS2000 software suite or parametrized directly from the master controller via explicit messaging over the DeviceNet network.

Does the IL2302-B528 require an external power supply for the connected sensors?

Yes. While the coupler box's internal logic consumes 45 mA, sensor power is drawn from the 24 V DC feed through the M8 connector, supporting a total current passage of up to 0.5 A.

What happens if the current load of the extension sensors exceeds 0.5 A?

Exceeding the 0.5 A threshold can cause thermal overload or communication drops. You must integrate auxiliary power feed modules upstream to distribute current loads correctly.

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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.

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