1. Product Overview

Product Name: EX9061A-MTCP
Article Number: EX9061A-MTCP
Series: EX9000-MTCP Ethernet I/O Series
Manufacturer: TOPSCCC (ExpertDAQ / www.topsccc.com.tw)
Product Type: Modbus TCP/IP to Isolated Digital I/O Module
Printed Manual Version: Ethernet I/O Version 2.0 (June 1, 2016)

The EX9061A-MTCP is an industrial-grade Ethernet I/O module designed for distributed digital input and relay output control over standard Ethernet networks. It belongs to the EX9000-MTCP family, which supports Modbus/TCP and UDP protocols for open connectivity with SCADA, PLC, and HMI systems. The module provides six isolated digital input channels (dry/wet contact selectable) and six relay output channels rated at 0.6 A @ 125 VAC or 2 A @ 30 VDC. It is engineered for reliable remote monitoring, control, and automation in industrial environments.

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2. Key Features

- Ethernet Connectivity:
Supports 10/100 Mbps Ethernet (IEEE 802.3/802.3u) with RJ‑45 interface for seamless integration into existing LANs or new Ethernet-based control systems.

- Protocol Support:
Fully compatible with Modbus/TCP over TCP/IP and UDP, enabling open communication with standard industrial controllers and SCADA/HMI software.

- I/O Configuration:
- 6 × Isolated Digital Inputs (Dry/Wet contact selectable)
- 6 × Relay Outputs (Form A, 0.6 A @ 125 VAC / 2 A @ 30 VDC)

- Isolation & Protection:
- I/O isolation up to 2000–3000 V DC
- Ethernet communication isolation 1500 V DC
- Over‑voltage and reverse‑polarity protection on power input

- Smart Functions:
- DIO synchronization (mirror local DI to DO)
- Auto‑off timer for digital outputs
- Counter and latch functions on digital inputs
- Pulse and delay output modes on digital outputs

- Software Integration:
- Built‑in Modbus/TCP server firmware
- Windows configuration utility and DLL/ActiveX libraries
- Supports OPC, HMI, and custom application development

- Mounting Options:
DIN‑rail, wall, or stack mounting supported.

- Web Server:
Embedded HTTP server for remote monitoring and control via standard web browsers.

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3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Ethernet Interface | 10 BASE‑T / 100 BASE‑TX, IEEE 802.3/802.3u |
| Connector | RJ‑45 modular jack |
| Supported Protocols | Modbus/TCP, UDP/IP |
| Data Transfer Rate | Up to 100 Mbps |
| Power Supply | Unregulated +10 V DC to +30 V DC |
| Power Protection | Over‑voltage and reverse‑polarity |
| I/O Isolation | 2000 – 3000 V DC (channel‑to‑system) |
| Ethernet Isolation | 1500 V DC |
| Digital Inputs | 6 channels, isolated single‑ended, dry/wet selectable |
| Input Logic (Dry) | Logic 0 = closed to GND; Logic 1 = open |
| Input Logic (Wet) | Logic 0 = 0 – 2 V DC; Logic 1 = 10 – 50 V DC |
| Input Impedance | 3 kΩ – 10 kΩ (typical, wet mode) |
| Relay Outputs | 6 channels, Form A |
| Relay Rating | 0.6 A @ 125 VAC / 2 A @ 30 V DC |
| Relay Life | ≥ 5 × 10⁵ operations |
| Operate/Release Time | 3 ms / 2 ms (max) |
| Surge Strength | 500 V |
| Indicators | Power, CPU, Link, Collision, 10/100 Mbps, Tx, Rx |
| Case Material | ABS plastic with captive mounting hardware |
| Terminal Block | Plug‑in screw type, 0.5 – 2.5 mm² (AWG #12 – #22) |
| Operating Temperature | –25 °C to +75 °C |
| Storage Temperature | –25 °C to +85 °C |
| Humidity | 5 – 95 % RH, non‑condensing |
| Atmosphere | No corrosive gases |
| Typical Power Consumption | ≈ 2 W |
| Dimensions | Compact modular housing (DIN‑rail mountable) |

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4. Functionality

The EX9061A‑MTCP operates as a remote Ethernet I/O node. It converts Modbus/TCP commands into digital input/output operations. Each digital input can detect dry or wet contact signals, while each relay output can switch AC or DC loads. The module’s internal microcontroller manages communication, I/O processing, and safety functions.

Use Cases & Applications:
- Industrial automation and process control
- Building management systems (lighting, HVAC)
- Remote equipment monitoring and alarm signaling
- Machine status acquisition and control
- Energy management and facility automation
- Integration with PLCs, SCADA, and HMI systems

Compatibility:
- Works with any Modbus/TCP‑compliant master (PLC, DCS, SCADA, OPC server)
- Supported by ExpertDAQ Windows Utility, DLL API, and ActiveX controls
- Accessible via web browser for diagnostics and manual control

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5. Components & Accessories

Included:
- EX9061A‑MTCP module
- Plug‑in screw terminal block
- DIN‑rail mounting clip
- User manual (digital)

Optional Accessories:
- 24 V DC industrial power supply
- Ethernet cables (Cat 5 or higher)
- Wall‑mount brackets
- Additional terminal connectors

Connectors:
- Power: +Vs and GND screw terminals
- Ethernet: RJ‑45 10/100 Mbps port
- I/O: Plug‑in terminal block for DI/DO channels

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6. Installation & Setup

Requirements:
- IBM‑PC compatible host (Pentium or higher)
- Windows 95/98/2000/XP/7/8/10 or later
- 10/100 Mbps Ethernet card and hub
- Power supply +10 – 30 V DC (ripple < 200 mV p‑p)
- Ethernet cables with RJ‑45 connectors

Mounting Options:
- DIN‑rail (standard)
- Wall‑mount
- Stackable configuration

Configuration Steps:
1. Connect power and Ethernet cables.
2. Assign IP address (default 10.0.0.1) via Windows Utility or DHCP.
3. Configure subnet mask and gateway.
4. Set digital input/output modes and active states.
5. Verify communication using Modbus/TCP or web interface.

Wiring Guidelines:
- Use continuous wire lengths (0.5 – 2.5 mm²).
- Separate signal wiring from high‑energy lines.
- Avoid sharp bends and minimize cable length.
- Use anti‑static precautions in low‑humidity environments.

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7. Performance & Capabilities

- Communication Speed: Up to 100 Mbps Ethernet throughput
- Digital Input Counter: 32‑bit + 1‑bit overflow, up to 500 Hz counting
- Relay Switching: 0.6 A @ 125 VAC / 2 A @ 30 V DC
- Response Time: Typical < 10 ms for I/O update
- Data Streaming: UDP broadcast to 8 hosts (interval 50 ms – 7 days)
- Event Reporting: UDP event trigger to remote IPs
- Auto‑Off Timer: Programmable digital output timeout
- Watchdog Functions: Dual watchdog (module + host) for fail‑safe operation
- Reliability: Continuous operation in –25 °C to +75 °C industrial environments

Limitations:
- Relay outputs limited to 2 A @ 30 V DC or 0.6 A @ 125 V AC
- Not suitable for high‑current inductive loads without external protection
- Requires stable DC power supply within 10–30 V range

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8. Standards & Compliance

- Ethernet Standards: IEEE 802.3 (10BASE‑T), IEEE 802.3u (100BASE‑TX)
- Communication Protocols: Modbus/TCP, UDP/IP, HTTP (Web Server)
- Isolation & Safety: I/O isolation up to 3000 V DC; Ethernet 1500 V DC
- Environmental: Designed for –25 °C to +75 °C operation, 95 % RH non‑condensing
- EMC/ESD Protection: Internal surge and static protection circuits
- Regulatory Compliance: Industrial CE and FCC Class A (typical for EX9000 series)
- Firmware Compatibility: EX9000‑MTCP Version 2.0 and later

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9. Additional Information

Warranty:
Standard 2‑year manufacturer warranty against defects in materials and workmanship.

Technical Support:
- Online resources and downloads: [www.topsccc.com.tw](http://www.topsccc.com.tw)
- Email and phone support for configuration and troubleshooting
- Firmware updates and utilities available in the “Download Area”

Maintenance:
- Periodically inspect terminal connections for corrosion or looseness.
- Keep ventilation openings clear.
- Avoid exposure to corrosive gases or excessive humidity.
- Replace relays after rated mechanical life if used in high‑duty cycles.

Firmware & Software Updates:
- Configurable via Windows Utility or web interface.
- Supports remote firmware upgrade through TCP/IP.
- Compatible with ExpertDAQ DLL API and ActiveX Control (TCPDAQ.OCX).

Software Development Support:
- ActiveX Control (TCPDAQ.OCX): For Visual Basic, Delphi, C++, C# applications.
- DLL API (TCPDAQ.DLL): Comprehensive function library for TCP/UDP communication, Modbus register access, and I/O control.
- ASCII Command Interface: Simplified text‑based commands over UDP port 1025.
- Web Server Monitoring: Real‑time I/O status display and manual control via browser.

Safety & Watchdog Operation:
- Module Watchdog: Hardware reset circuit to recover from system faults.
- Host Watchdog: Monitors communication from host; on timeout, outputs switch to safe state.
- Power‑On Value: User‑defined default output state at startup.
- Safe Value: Fail‑safe output state on communication loss.

Environmental Considerations:
- Operates reliably in industrial temperature range (–25 °C to +75 °C).
- Humidity up to 95 % non‑condensing.
- Recommended anti‑static precautions below 30 % RH.

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Summary

The EX9061A‑MTCP is a robust, Ethernet‑enabled digital I/O module designed for industrial automation and remote control applications. With six isolated digital inputs and six relay outputs, it provides flexible interfacing between field devices and Ethernet‑based control systems. Supporting Modbus/TCP and UDP protocols, it integrates seamlessly with PLCs, SCADA, and HMI software. Its built‑in web server, dual watchdog protection, and configurable power‑on/safe states ensure high reliability and safety in mission‑critical environments. The module’s compact design, wide power range, and multiple mounting options make it ideal for distributed I/O architectures in manufacturing, building automation, and process control systems.