BECKHOFF

Beckhoff IL2300-C318 Fieldbus Box PLC Box

SKU IL2300-C318

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: BECKHOFF

  • Product No.: IL2300-C318

  • Country of origin:Germany

  • Product Type: Fieldbus Box Modules

  • Payment: T/T, Western Union

  • Weight: 500g

  • Dimensions: 185 x 65 x 55 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Designed to execute decentralized automation tasks directly in challenging industrial environments, the Beckhoff IL2300-C318 is an IP67-rated Fieldbus Box designed for machine-mount distribution without control enclosures. This high-integrity intelligent unit integrates Profibus DP communications directly with local I/O nodes, facilitating high-speed data transmission up to 12 Mbaud with automatic baud rate detection. By utilizing robust M12 and M8 connector interfaces, the module minimizes field-wiring labor while providing exceptional mechanical protection against moisture, dust, and vibration.

Key Features

  • Profibus DP Protocol: Supports complete DP-V1 extensions configured via the KS2000 software tool or direct master controller download.
  • High-Speed Transmission: Automatic detection of transfer speeds up to 12 Mbaud for seamless integration into existing networks.
  • Integrated T-Connector: Built-in 5-pin M12 socket and plug interface simplifies daisy-chain loop installations.
  • Environmental Sealing: Full IP65, IP66, and IP67 protection rating suitable for wet, high-pressure washdown zones.
  • Power Distribution: M8 input feed and loop-through outputs to power downstream fieldbus modules efficiently.

Applications

  • Automotive assembly lines and robotic welding cells requiring machine-mounted IO.
  • Food and beverage packaging machinery subjected to regular washdown cycles.
  • Conveyor networks and automated material handling systems spanning long physical distances.

Technical Specifications

Manufacturer Beckhoff Automation
Model / Article Number IL2300-C318
Configuration Interface KS2000 configuration software or DP-V1 master controller
Data Transfer Rates 9.6 kbaud to 12 Mbaud (automatic detection)
Control Supply Voltage 24 V DC (-15% / +20%)
Internal Box Current Consumption 85 mA + sensor load (max. 0.5 A)
Electrical Isolation Control voltage/fieldbus: No; Control voltage/IO: Dependent on I/O type
Protection Rating IP65, IP66, IP67 (conforms to EN 60529)
Operating Temperature Range 0 to +55 degC
Storage Temperature Range -25 to +85 degC
Vibration/Shock Resistance Conforms to EN 60068-2-6 / EN 60068-2-27
EMC Standards Conforms to EN 61000-6-2 / EN 61000-6-4
Approvals CE, UL
Country of Origin Germany
Shipping Weight (Calculated) 2.0 kg
Package Dimensions (Calculated) 185 x 65 x 55 mm

Connections and Interfaces

Connector / Interface Pin Layout Type Functional Assignment
Profibus Input M12 Plug, 5-pin, B-coded Pin 1: VP (+5V), Pin 2: RxD/TxD-N (A-line), Pin 3: DGND, Pin 4: RxD/TxD-P (B-line), Pin 5: Shield
Profibus Output M12 Socket, 5-pin, B-coded Integrated downstream loop-through connection (tee-connector layout)
Power Supply Feed M8 Male, 4-pin Pin 1: +24 V DC (Control Us), Pin 2: +24 V DC (Load Up), Pin 3: GNDs, Pin 4: GNDp
Power Downstream M8 Female, 4-pin Feed-through routing to subsequent PLC-Box units

Empirical Engineering Insights

Alternative Models & Compatibility

The IL2300-C318 is directly compatible with any standard Profibus-DP Class 1 or Class 2 Master system. When upgrading legacy Beckhoff systems, please verify that your configuration files are using the correct GSD profile matching the device's hardware revision status. The physical footprint remains backward-compatible with older Beckhoff Fieldbus Box units, making direct mechanical drop-in swaps straightforward.

Application Pitfalls & Engineering Notes

A common failure point in decentral machine-mounted setups is the total current limit of the M8 power distribution system. While individual box electronics only draw 85 mA, the total current passed through the M8 loop-through must never exceed 4 A. If your local sensor loads exceed this aggregate rating, separate power distribution blocks must be installed to prevent catastrophic connector overheating.

Commissioning & Wiring Tips

Always ensure that the final physical block on the Profibus string has a dedicated, active M12 terminator installed on the downstream socket. Incorrect network impedance often results in sporadic 12 Mbaud communication dropouts, which are difficult to diagnose. When using KS2000 for field parameterization, ensure the control voltage is stabilized; low control voltage (below 20.4 V DC) will interrupt EEPROM write sequences, leading to parameter corruption faults.

Installation Guidelines

CRITICAL WARNING

Do not perform any wiring modifications or terminal connections while the system power supply is energized. Ensure that all incoming 24 V DC supply paths (Us and Up) are locked out and Tagged out prior to servicing. Failure to isolate both power circuits can result in diagnostic field bus chip damage or equipment failure.

1

Securely mount the Fieldbus Box on a flat, vibration-resistant surface using two M4 screws through the integrated mounting ears. Max torque: 1.2 Nm.

2

Connect the incoming Profibus DP cable to the 5-pin M12 B-coded plug, ensuring the key aligns perfectly before tightening the collar hand-tight.

3

Attach the M8 power cables. Verify that Pin 1 (Control Voltage) and Pin 2 (Load Voltage) are isolated correctly if your application requires independent safety shutdown functionality.

4

Affix IP67 protective caps to any unused M12 and M8 connections to guarantee the rated moisture and dust resistance is preserved.

FAQ

What is the maximum current capacity of the loop-through power system on this module?

The control and load voltages fed via the M8 connectors can handle a maximum loop-through current of 4 A. If your downstream sensors and units draw more than this, a separate power injection block is required.

Does the Profibus DP interface feature integrated line termination?

No, the module does not feature an integrated termination resistor. If this device is the final node in the Profibus network segment, an external M12 terminating plug must be connected to the outgoing B-coded socket.

Can this unit be configured without the KS2000 software interface?

Yes, parameters and diagnostic features can be directly configured via standard DP-V1 acyclic read/write commands generated by the master PLC controller.

Is the power circuit for the sensors electrically isolated from the main logic bus?

There is no electrical isolation between the control voltage input and the fieldbus signal. Isolation between control voltage and inputs/outputs depends entirely on the specific configuration of the external I/O nodes used.

View all FAQs →

Quantity
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.
Reviews
1 of 1
Only 10 item(s) left in stock
Quantity
View full details

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

Technical knowledge

ABB PM891K01 Replacement: Check Redundancy Before Ordering

ABB PM891K01 article 3BSE053241R1 is the non-redundant AC 800M processor kit. Use this field checklist before replacement.

ABB TP853 Replacement Checks for CI853/CI855/CI857/CI861

Replacement checks for ABB TP853 3BSE018126R1: identify the installed CI853, CI855, CI857, or CI861 interface, record wiring, and verify communication after installation.

5069-L330ERMS2 Startup Checks: RTBs, I/O, and Motion Limits

Engineering checks for the Allen-Bradley 5069-L330ERMS2: controller capacity, separate RTB kits, local I/O limits, network-node limits, and motion-axis count.

Replacing ABB DSQC 351: Controller and Network Checks

Checks to record before replacing ABB 3HNE 00006-1 DSQC 351: controller generation, X3/X5/X20/X21 wiring, DeviceNet settings, INTERBUS mapping, and LED states.

IC693CPU360 vs IC693CPU364: Ethernet and Power Budget

Compare the IC693CPU360 and IC693CPU364 by Ethernet interface, +5 VDC load, memory, rack limits, and replacement checks.

1756-OF4 Output Wrong? Check Mode, RTB, and Scaling First

A field-first diagnostic sequence for 1756-OF4 analog output problems: channel mode, removable terminal block, scaling, and controlled electrical checks.