Beckhoff IL2302-C318 Fieldbus Box Module

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Manufacturer: BECKHOFF
Product No.: IL2302-C318
Country of origin:Germany
Product Type: Fieldbus Box Modules
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description

Decentralized machine topologies utilize the Beckhoff IL2302-C318 Fieldbus Box to establish reliable, high-speed connection points without necessitating cabinet space. This high-density module acts as a rugged remote I/O link, featuring built-in PROFIBUS DP communication and support for DP-V1 extensions. By using standard industrial connectors, it streamlines complex field wiring and ensures precise signal acquisition directly on the machinery under demanding operational conditions.

Features

Automatic Baud Rate Detection: Automatically senses transmission rates up to 12 Mbaud on the PROFIBUS network.
Dual-Path Configuration: Offers versatile parameterization capabilities via the Beckhoff KS2000 software suite or directly through the PLC controller.
Robust Connectivity: Equipped with an integrated M12 T-connector (B-coded) for fast, daisy-chained bus routing without external splitters.
Dual-Source Power Isolation: Separation of control voltage and load voltage ensures fault propagation protection across downstream lines.
Environmentally Sealed: Constructed with a high-durability housing providing IP65, IP66, and IP67 level protection against moisture and particulates.

Applications

Automotive Assembly Lines: Distributed sensor and actuator feedback in cabinet-free manufacturing cells.
Material Handling & Logistics: Conveyor control and sorting system tracking interfaces.
Packaging Machinery: Multi-axis packaging equipment requiring localized I/O nodes.
Process Automation: Field installation in high-vibration and washdown-prone environments.

Technical Specifications

Parameter	Specification
Manufacturer	Beckhoff Automation
Model Number	IL2302-C318
Data Transfer Rates	Automatic detection up to 12 Mbaud
Bus Interface	1 x M12 socket (5-pin), 1 x M12 plug (5-pin), B-coded, integrated T-connector
Control Supply Voltage	24 V DC (-15% / +20%)
Load Supply Voltage	According to I/O type
Current Consumption (Box Supply)	85 mA + sensor current consumption (max. 0.5 A)
Electrical Isolation	Control voltage/fieldbus: No; Control voltage/inputs-outputs: According to I/O type
Operating Temperature	0 degC to +55 degC
Storage Temperature	-25 degC 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	CE, UL
Shipping Weight (Calculated)	2.0 kg

Connections and Interfaces

Connection Port	Connector Type	Pin Allocation / Function
PROFIBUS Input	M12 Plug (Male), 5-pin, B-coded	Standard PROFIBUS signal connections
PROFIBUS Output	M12 Socket (Female), 5-pin, B-coded	Tee-connector output for daisy chain expansion
Power Feed	M8 Plug (Male), 4-pin	Control voltage feed (24 V DC)
Power Downstream	M8 Socket (Female), 4-pin	Power distribution feed to adjacent modules

Empirical Engineering Insights

Alternative Models & Compatibility

This unit is fully compatible with standard Beckhoff IP-Link extension boxes. When integrating this module into existing PROFIBUS master systems, ensure that the active GSD hardware definition file matches the revision code of the installed firmware to prevent diagnostic mismatches during cyclical bus startup.

Application Pitfalls & Engineering Notes

Because this module does not provide electrical isolation between the 24 V DC control voltage and the fieldbus communication lines, any differential in ground reference potentials can lead to communication degradation. It is highly recommended to run a common low-impedance ground bonding conductor across all nodes in distributed cabinet-free topologies.

Commissioning & Wiring Tips

Always use standard B-coded PROFIBUS cabling to prevent mismatching with sensory connections. When connecting the M8 power distribution downstream ports, ensure the cumulative sensor load does not exceed 4 A across the power-feed run. Tighten all M8/M12 connectors with a calibrated torque wrench to the manufacturer-specified values (typically 0.4 Nm for M8, 0.6 Nm for M12) to ensure the integrity of the IP67 moisture seal.

Installation Guidelines

CRITICAL WARNING: De-energize all primary, auxiliary, and load power sources prior to connecting or disconnecting the PROFIBUS bus cables or power feeds. Failing to remove power before handling connections in wet environments can result in physical shock hazards, short-circuit paths, and permanent destruction of internal I/O diagnostic logic.

Position the module on a flat, vibration-resistant mounting surface utilizing the integrated dual screw mounting holes. Ensure the surface is free from debris.

Connect the PROFIBUS DP interface using pre-molded M12 B-coded cables. Ensure any unused bus ports are sealed using IP67-rated protective caps.

Attach the M8 24 V DC control voltage input to the male power-feed port. Ensure proper polarity is observed on the feeding terminals.

Apply the final tightening torque to all dynamic connectors, power up the main control supply, and verify link activity LED indicators.

Key Features:

What is the maximum PROFIBUS data transfer rate supported by this box?

The module features automatic baud rate detection up to a maximum transfer speed of 12 Mbaud.

How is this fieldbus module configured?

Configuration can be performed either directly through the master controller or via the Beckhoff KS2000 software interface.

Is there electrical isolation between control power and the PROFIBUS line?

No, this specific fieldbus box does not have electrical isolation between the 24 V DC control voltage and the PROFIBUS interface.

What are the protection ratings for this module's enclosure?

The enclosure is dust and water-resistant, conforming to IP65, IP66, and IP67 ratings, making it suitable for direct mounting on machines without cabinets.

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 .

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Beckhoff IL2302-C318 Fieldbus Box Module