Beckhoff EK1110-0000

The EK1110-0000 is a Beckhoff EtherCAT extension module. It is used to extend EtherCAT segments in line topology, converting E-bus signals to 100BASE-TX Ethernet. It features plug-and-play, one single RJ45 port, a maximum connection distance of 100 meters, and E-bus powered with no external power supply required.

1. Model Segment Definition

2. Core Specifications

3. Standard Delivery Scope

4. Equivalent & Cross-Brand Comparison

4.1 Beckhoff Internal Comparison

4.2 Cross-Brand Alternative Solutions

5. Selection Guidelines & Alternatives

5.1 Quick Selection Rules

Line extension within 100 m, no configuration → EK1110-0000 (standard first choice)

Dual-port / redundancy required → EK1100 (dual RJ45)

CX + EJ module combination → EK1110-0043/0044 (with EJ header)

Mobile equipment / M8 interface → EK1110-0008 (circular connector)

Cost-sensitive standard application → Domestic alternative (e.g. Liwei EC-1110)

5.2 Installation & Application Notes

1. Mounting Position: Must be installed at the end of EtherCAT terminal segment or CX controller; cannot be inserted in the middle.
2. Wiring Requirement: Use shielded twisted pair with both ends grounded to avoid signal interference.
3. Topology Limit: Each EK1110 extends max. 100 m; maximum 3 units cascaded (total 300 m).
4. Diagnosis: Judge link status via Link/Activity LED; flashing indicates normal communication.

5.3 Troubleshooting Quick Reference

6. Typical Application Scenarios
7. Long-distance I/O Station Connection: Cross-area production line connection, single segment up to 100 m.
8. CX Controller Network Extension: Expand EtherCAT network at the end of CX embedded PC.
9. Multi-segment Line Topology: Segmented I/O connection to simplify wiring and reduce interference.
10. Rapid Deployment: Plug-and-play without configuration, ideal for temporary lines or equipment retrofits.

Complete Model List of Beckhoff EtherCAT Extension Modules

1. General Classification Overview

Beckhoff EtherCAT extension modules are mainly divided into five categories:

Line Extension, Star Topology, EtherCAT P, Fiber Optic Extension, and Special Function Modules, covering full demands from basic segment extension to complex topology construction.

2. Full Model List by Function

2.1 Line Extension Modules (End Mount, Segment Extension)

2.2 Dual-Port Basic Extension Modules (Redundancy / Multi-Segment)

2.3 Star Topology Extension Modules (Arbitrary Mounting)

2.4 EtherCAT P Extension Modules (Power + Communication Integrated)

2.5 Fiber Optic Extension Modules (Long Distance / High Anti-Interference)

2.6 Special Function Extension Modules

3. Model Naming Rule Quick Guide

4. Quick Selection Formula
5. Line extension, end installation → EK1110 series (single port)
6. Dual-port / redundancy → EK1100 series (dual RJ45)
7. Star topology, arbitrary position → EK1122 series (dual-port hot connect)
8. Power + communication integration → EK13xx (EtherCAT P)
9. Long distance / anti-interference → EK15xx (fiber module)
10. CX + EJ plug-in modules → EK1110-0043/0044
11. Supplementary Notes
12. Compatibility: All EK series are compatible with Beckhoff EL terminals, CX embedded controllers and EJ plug-in modules.
13. Power Supply: Standard modules are E-bus powered (24 VDC, approx. 130 mA); special models such as EK1322 require external power.
14. Certification: Full series certified CE, UL, ATEX, compliant with industrial safety standards.

Application Cases of Beckhoff EtherCAT Extension Module EK1110-0000

The core value of EK1110-0000 lies in end extension for line topology, providing 100-meter segment extension, E-bus power without external supply, and zero-configuration plug-and-play. It is widely used in automotive manufacturing, electronics processing, logistics warehousing, food & beverage, energy and other industries, solving pain points such as long-distance wiring, distributed I/O connection and temporary production line deployment.

1. Core Application Scenarios & Value Positioning

2. Detailed Industry Application Cases

Automotive Industry: Body Welding Line Long-Distance Extension

Project Background: The main controller CX5140 is located in the middle of the welding workshop, needing to connect 2 robot stations and 16 I/O stations 80 meters away on both sides. The original fiber solution was costly and complicated in construction.

Topology:

CX5140 → EL Terminal Segment 1 → EK1110-0000 (End) → 80 m Cable → Robot Station 1 / I/O Station 1

CX5140 → EL Terminal Segment 2 → EK1110-0000 (End) → 80 m Cable → Robot Station 2 / I/O Station 2

Core Advantages:

No fiber transceiver required; cost reduced by about 40%

E-bus powered, no extra 24 V wiring for extension module

Communication delay only 1 μs, no impact on robot synchronization accuracy (±0.1 ms)

Fast fault location via Link/Activity LED; maintenance efficiency improved by 50

Result: Stable operation for 2 years without communication failure; annual maintenance cost reduced by about 20,000 CNY.

Electronics Processing: Distributed I/O Extension for SMT Production Line

Background: SMT line includes printer, placement machine and reflow oven. The original single EtherCAT segment is 120 m from main station to end placement machine, causing unstable communication and frequent I/O delay.

Topology Optimization:

Main Station (C6030) → Printer I/O → Placement Machine I/O → EK1110-0000 (End) → 100 m Cable → Reflow Oven I/O Station

Improvements:

Split 120 m into 20 m + 100 m to solve signal attenuation

Install EK1110-0000 at placement machine I/O end; no original wiring modification needed

Reflow oven I/O real-time performance upgraded to 1 ms cycle, meeting temperature control precision ±0.5℃

Result: Equipment failure rate dropped from 5 times/month to zero; capacity increased by ~8%; defect rate reduced by 1.2%.

Logistics Warehousing: Shelf Layer I/O Connection in AS/RS Warehouse

Background: 24-meter-high automated warehouse with 8 layers, each with 16 pallet sensors and 8 stacker positioning points. Traditional wiring required a large number of cable trays and wires.

Solution:

Ground Main Station → Vertical EtherCAT Backbone → EK1110-0000 installed at each shelf end → Horizontal connection to I/O within 10 m

Value:

Only one network cable per layer; cable usage reduced by 60%, construction cycle shortened by 50%

Compact size 12×100×70 mm, mountable on shelf columns without occupying storage space

Hot-swap support, replace modules without stopping production

Cascadable for future shelf expansion

Result: Project ROI reached 150%; maintenance time reduced by 70%; system response speed improved to 0.5 ms.

Food & Beverage: Hygienic I/O Extension for Bottling Line

Background: Dairy bottling filling area requires electrical isolation. Main controller is located in non-hygienic area, 95 m away, needing connection to 24 flow sensors and 16 valve controllers.

Topology:

Non-hygienic Main Station → EL Terminal Segment → EK1110-0000 (End) → 95 m Shielded Cable → Filling Area I/O Station (IP67)

Features:

500 V electrical isolation protects non-hygienic equipment from humid environment

Shielded cable anti-interference against inverter electromagnetic noise

E-bus powered; no power layout required in hygienic area, complying with food safety standards

Plug-and-play; commissioning shortened to 1 hour, less production downtime

Result: System passed HACCP certification; maintenance cost reduced by 60%; annual power saving ~15,000 CNY.

Energy Industry: Cabin Sensor Connection for Wind Farm

Background: 2 MW wind turbine with 12 vibration, temperature and speed sensors in the cabin, needing transmission to tower base controller over 85 m. Traditional analog signal is vulnerable to interference and low precision.

Upgrade Solution:

Tower Base CX2020 Controller → EL Terminal Segment → EK1110-0000 (End) → 85 m Cable → Cabin I/O Station

Advantages:

Digital transmission with strong anti-interference; measurement accuracy improved to ±0.1%

Operating temperature -25℃~+60℃ adapts to harsh cabin environment

No analog conversion module needed; hardware cost reduced by 35%

Remote diagnosis via TwinCAT for early fault warning

Result: Wind turbine fault prediction accuracy up to 90%; maintenance cycle extended to 18 months; annual power generation increased by ~3%.

3. Key Application Guidelines for EK1110-0000

3.1 Installation Rules

Mounting Position: Must be installed at the end of EtherCAT segment or CX controller; cannot be placed in the middle.

Wiring: Use Cat.5e or higher shielded twisted pair, both ends grounded.

Distance Limit: Single segment max. 100 m, up to 3 modules cascaded (total 300 m).

Topology: Only for line topology; star/ring please select EK1122 / EK1100.

3.2 On-Site Troubleshooting Table

3.3 Selection & Alternative Reference

Dual-port / redundancy → EK1100

M8 interface required → EK1110-0008

Star topology → EK1122

EtherCAT P integrated power → EK1310

4. Summary & Application Expansion

As the basic line extension module of Beckhoff EtherCAT, EK1110-0000 features low cost, easy deployment and high reliability, becoming the preferred solution for long-distance I/O connection in industrial automation.

Other applicable industries:

1. Rail Transit: Depot equipment monitoring system
2. Medical Equipment: Distributed control for large imaging devices
3. Metallurgy: Steel rolling production line I/O extension
4. Water Treatment: Remote sensor connection for sewage plants

Application Suggestions:

Cooperate with Beckhoff EL series terminals to build complete distributed I/O system

Combine with TwinCAT for remote diagnosis and predictive maintenance

When cascading, keep total distance within 300 m to ensure real-time performance