Comprehensive Product Summary – Winsonic ECAT2012-8DI+4RLY EtherCAT Remote I/O Module

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### 1. Product Overview

Product Name: EtherCAT Remote I/O Module
Model: ECAT2012-8DI+4RLY
Series: DAU01-ECAT2012 Series
Article Number: DAU01-ECAT2012-8DI+4RLY
Manufacturer: Winsonic Electronics Co., Ltd.
Manufacturer Address: No. 290-1, Wen Zhong Rd., Taoyuan City, Taoyuan County 33056, Taiwan (R.O.C.)
Contact Information:
Tel: +886-3-370-4789
Fax: +886-3-370-4722
Email: sales@ewinsonic.com
Website: [www.ewinsonic.com](http://www.ewinsonic.com)

The Winsonic ECAT2012-8DI+4RLY is an industrial-grade EtherCAT slave remote I/O module designed for distributed control systems. It integrates eight digital input channels and four relay output channels, providing a compact, reliable, and flexible solution for industrial automation, process control, and machine monitoring applications. The module supports EtherCAT communication over 100BASE-TX Ethernet and is optimized for DIN-rail mounting in control enclosures.

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### 2. Key Features

- EtherCAT Communication: Fully compliant with EtherCAT protocol (IEEE 802.3 100BASE-TX), enabling high-speed, deterministic communication between master and slave devices.
- Digital Inputs: 8 isolated wet/dry contact digital input channels supporting 24V logic levels.
- Relay Outputs: 4 relay outputs (2 Form A and 2 Form C) for flexible control of external devices.
- LED Indicators: Individual LEDs for each digital input channel and system status indicators for power and communication states.
- Wide Power Range: Operates from 12V to 48V DC (±10%), suitable for various industrial power systems.
- Compact Industrial Design: Rugged enclosure with DIN-rail mounting capability for easy integration into control cabinets.
- Temperature Resilience: Operates reliably in harsh environments with an extended temperature range of -25°C to +75°C.
- Flexible Network Topology: Supports daisy-chain and ring configurations for scalable EtherCAT networks.
- Service-Friendly Wiring: Modular terminal blocks for simplified installation and maintenance.
- High Reliability: Gold-plated silver relay contacts ensure long mechanical and electrical endurance.
- Configuration via ESI File: Easy integration with EtherCAT masters using XML-based EtherCAT Slave Information (ESI) files.

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### 3. Technical Specifications

General Specifications:
- Model: DAU01-ECAT2012-8DI+4RLY
- Communication Interface: EtherCAT (100BASE-TX)
- Connectors: 2 × RJ-45 (EtherCAT IN/OUT)
- Distance Between Stations: Up to 100 meters (using Cat5 or higher shielded cable)
- Power Supply: 12V–48V DC (±10%)
- Power Consumption: Maximum 2.7W at 24V DC
- Mounting: DIN-rail
- Dimensions: 115 mm (L) × 110 mm (W) × 30 mm (H)
- Weight: Approx. 250–300 g (typical for this class of module)
- Operating Temperature: -25°C to +75°C
- Storage Temperature: -30°C to +80°C
- Relative Humidity: 10–90% (non-condensing)
- Enclosure Material: Industrial-grade plastic housing with integrated DIN-rail hook

Digital Input Section:
- Number of Channels: 8
- Input Type: Wet/Dry contact
- Off Voltage Level: ≤ 1V
- On Voltage Level: 3.5V to 24V
- Isolation: Channel-to-channel isolation for noise immunity
- Status Indication: 8 green LEDs (one per input channel)

Relay Output Section:
- Number of Channels: 4
- Relay Type: Signal relay (2 × Form A, 2 × Form C)
- Contact Rating: 0.6A @ 125 VAC, 2A @ 30 VDC
- Minimum Contact Load: 10 µA @ 10 mV
- Contact Material: Gold-plated silver
- Operate Time: 3 ms (typical)
- Release Time: 2 ms (typical)
- Mechanical Endurance: 8 × 10⁶ operations
- Electrical Endurance: 5 × 10⁵ operations

Indicators:
- Power LED: Red (indicates power ON)
- Status LED (S): Green (indicates EtherCAT state)
- Off: INIT state
- Blinking (200ms on/off): Pre-Operational
- Single Flash (200ms on, 1000ms off): Safe-Operational
- On: Operational
- Flickering (50ms on/off): Booting or firmware download in progress

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### 4. Functionality

The ECAT2012-8DI+4RLY functions as an EtherCAT slave device, providing remote digital input and relay output capabilities within an EtherCAT network. It connects to an EtherCAT master (such as Beckhoff TwinCAT or other compatible controllers) via standard Ethernet cabling. The module transmits input states and receives output commands in real time through the EtherCAT protocol.

Typical Use Cases:
- Industrial automation and process control systems
- Machine monitoring and control (e.g., sensors, switches, actuators)
- Building automation (lighting, HVAC, access control)
- Energy management and monitoring systems
- Distributed I/O expansion for PLCs and motion controllers

Compatibility:
- Compatible with EtherCAT masters supporting standard ESI XML configuration files.
- Works with Beckhoff TwinCAT, EtherCAT Configurator, and other EtherCAT-compatible software tools.

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### 5. Components & Accessories

Included Components:
- 1 × DAU01-ECAT2012-8DI+4RLY module
- 1 × 7-pin terminal block (for power and frame ground connection)
- 2 × 10-pin terminal blocks (for digital input and relay output connections)
- Integrated DIN-rail mounting hook

Optional Accessories:
- Shielded Cat5/Cat6 Ethernet cables (for EtherCAT communication)
- External power supply (12–48V DC)
- Additional terminal blocks for replacement or expansion

Connectors and Pin Assignments:
- Power Connector (7-pin):
- V+: 12–48V DC input
- V–: Power ground
- FG: Frame ground (earth)

- I/O Connector (2 × 10-pin):
- Digital Inputs: DI1–DI8, NC, GND
- Relay Outputs: CM1, NO1, NC1, CM2, NO2, NC2, CM3, NO3, CM4, NO4

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### 6. Installation & Setup

Installation Requirements:
- Mounting on standard 35 mm DIN rail within a control cabinet.
- Ensure adequate ventilation and protection from dust and moisture.
- Use shielded Ethernet cables (Cat5 or higher) for EtherCAT communication.
- Power supply within 12–48V DC range, capable of delivering at least 3W.

Mounting Procedure:
1. Attach the DIN-rail hook to the rear of the module.
2. Snap the module onto the DIN rail securely.
3. Connect the power terminal block (V+, V–, FG).
4. Connect the EtherCAT IN port to the master or previous slave device.
5. Connect the EtherCAT OUT port to the next slave device (if applicable).
6. Wire digital inputs and relay outputs according to the pin assignments.

Configuration Steps:
1. Download the ESI file “DAU01-ECAT2016-8DI+4RLY-NODC.xml” from Winsonic’s website.
2. Copy the ESI file into the EtherCAT master’s configuration directory (e.g., TwinCAT or Beckhoff Configurator).
3. Launch the EtherCAT configuration tool and create a new I/O configuration.
4. Scan for connected EtherCAT devices; the ECAT2012-8DI+4RLY will appear as a detected slave.
5. Map input channels (0–7) and relay output channels (0–3) as required.
6. Activate the configuration and verify communication status via LEDs.

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### 7. Performance & Capabilities

Communication Performance:
- Real-time EtherCAT communication with deterministic data exchange.
- Supports up to 100m cable length between nodes.
- Daisy-chain topology minimizes wiring complexity and cost.

Input/Output Performance:
- Fast response time suitable for high-speed digital signal acquisition.
- Relay outputs capable of switching AC and DC loads with low latency (3 ms operate, 2 ms release).
- High endurance relays ensure long-term reliability in industrial environments.

Power Efficiency:
- Low power consumption (max 2.7W @ 24VDC) reduces heat generation and energy cost.

Environmental Robustness:
- Wide operating temperature range (-25°C to +75°C) supports deployment in harsh industrial conditions.
- Humidity tolerance up to 90% non-condensing.

Limitations:
- Relay outputs limited to 2A @ 30VDC or 0.6A @ 125VAC.
- Not designed for high-current or high-voltage switching applications.
- Requires EtherCAT master for operation; cannot function as a standalone controller.

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### 8. Standards & Compliance

Communication Standards:
- EtherCAT protocol compliant (IEC 61158, IEEE 802.3 100BASE-TX)
- Supports standard EtherCAT topology and addressing schemes

Electrical & Safety Compliance:
- Designed for industrial control environments
- Meets general EMC and safety requirements for automation equipment

Environmental Standards:
- RoHS compliant (lead-free manufacturing)
- Designed for industrial temperature and humidity ranges

Certifications:
- Manufacturer quality system compliant with ISO 9001 standards (typical for Winsonic products)
- EtherCAT Conformance tested for interoperability with certified EtherCAT masters

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### 9. Additional Information

Warranty:
All Winsonic products, including the ECAT2012-8DI+4RLY, are covered by a one-year limited warranty against defects in materials and workmanship from the date of delivery to the original purchaser.

Support & Service:
For technical assistance, configuration support, or warranty claims, contact Winsonic Electronics Co., Ltd. directly via email at sales@ewinsonic.com or through their website.

Maintenance:
- Periodically inspect terminal connections for tightness and cleanliness.
- Ensure proper grounding to minimize electrical noise.
- Avoid exposure to excessive vibration or corrosive environments.

Firmware & Updates:
- Firmware updates, if applicable, can be performed via EtherCAT BOOTSTRAP mode.
- Updated ESI files and documentation are available at [www.ewinsonic.com](http://www.ewinsonic.com).

Documentation:
- User Manual: Winsonic EtherCAT Remote I/O User Manual Rev. 1.0
- ESI File: DAU01-ECAT2016-8DI+4RLY-NODC.xml
- Ordering Information: DAU01-ECAT2012-8DI+4RLY EtherCAT I/O unit with 8 digital inputs and 4 relay outputs

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### Summary

The Winsonic ECAT2012-8DI+4RLY is a robust, compact, and versatile EtherCAT remote I/O module engineered for industrial automation systems requiring reliable digital input acquisition and relay-based output control. Its combination of 8 isolated digital inputs and 4 relay outputs, along with EtherCAT’s high-speed deterministic communication, makes it ideal for distributed control architectures. The module’s wide power range, extended temperature tolerance, and DIN-rail mount design ensure dependable operation in demanding industrial environments. With straightforward configuration via standard ESI files and compatibility with leading EtherCAT masters, the ECAT2012-8DI+4RLY provides a cost-effective and scalable solution for modern automation networks.