Comprehensive Product Summary – EMD‑8216 Ethernet 16×DIO 2×LAN Module

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### 1. Product Overview

Product Name: Ethernet 16×DIO 2×LAN Module
Model: EMD‑8216
Series: EMD‑8200 Series Ethernet Digital I/O Modules
Article Number: EMD‑8216
Manufacturer: JS Automation Corp. (健昇科技股份有限公司)
Manufacturer Address: 6F., No.100, Zhongxing Rd., Xizhi Dist., New Taipei City, Taiwan
Contact:
- Tel: +886‑2‑2647‑6936
- Fax: +886‑2‑2647‑6940
- Email: control.cards@automation.com.tw
- Web: [http://www.automation.com.tw](http://www.automation.com.tw), [http://www.automation‑js.com](http://www.automation‑js.com)

The EMD‑8216 is an industrial‑grade Ethernet digital input/output module providing 16 software‑configurable digital I/O channels and dual Ethernet LAN ports for daisy‑chain networking. It integrates a standalone web server, watchdog timer (WDT), and programmable counter functions, making it suitable for distributed control, monitoring, and automation systems.

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### 2. Key Features

- 16 Configurable Digital I/O Channels: Each channel can be independently configured as input or output via software.
- Dual Ethernet Ports (2×LAN): 10/100 Mbps auto‑negotiation ports supporting daisy‑chain topology for simplified network wiring.
- Standalone Web Server: Built‑in web interface for configuration, monitoring, and control without external software.
- Watchdog Timer (WDT): Programmable 1–65,535 ms watchdog for communication discontinuity detection and system safety.
- Software Counter Function: Any TTL input can function as a counter up to 200 Hz for event counting or frequency measurement.
- Over‑Voltage and Over‑Current Protection:
- Input protection up to 60 V DC (max)
- Output current protection up to 50 mA (max)
- Flexible Power Supply: Operates from 12 V DC to 24 V DC.
- DIN‑Rail Mountable: Compact metal enclosure designed for industrial control cabinets.
- Standalone Control Mode: Can execute pre‑programmed I/O logic sequences without continuous Ethernet connection, functioning like a small PLC.
- Software Development Support: Includes Windows DLL library (EMD8216.dll) and API for C/C++ and Visual Basic, enabling custom application development.
- Wide Environmental Tolerance: Operates from 0 °C to +70 °C, humidity 5–95 % RH non‑condensing.
- High Reliability: Industrial‑grade design with metal housing, hardware watchdog, and robust communication protocol.

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### 3. Technical Specifications

Digital Input:
- Channels: Up to 16 (software configurable)
- Logic High Level: ≥ 3.15 V
- Logic Low Level: ≤ 1.35 V
- Over‑Voltage Protection: 60 V DC (max)
- Over‑Current Protection: 50 mA (max)
- Counter Input Frequency: ≤ 200 Hz

Digital Output:
- Channels: Up to 16 (software configurable)
- Type: Transistor output
- Output Voltage: ≤ 45 V DC
- Peak Current: 500 mA per channel
- Continuous Current: 45 mA typical

Ethernet Interface:
- Ports: 2 × RJ‑45 (10/100 Mbps auto‑switching)
- Protocol: UDP/IP
- Default IP: 192.168.0.100
- Default Port: 6936
- Daisy‑chain capability for network expansion
- Watchdog Timer: 1–65,535 ms configurable

General:
- Power Supply: 12–24 V DC input
- Power Connector: JM5 terminal block
- Dimensions: 107.6 (D) × 135.8 (W) × 34 (H) mm (4.3 × 5.4 × 1.4 in)
- Weight: Approx. 0.5 kg (metal enclosure)
- Operating Temperature: 0 °C – +70 °C
- Storage Temperature: −20 °C – +80 °C
- Humidity: 5 – 95 % RH, non‑condensing
- Mounting: DIN‑rail
- Enclosure: Metal case, industrial grade

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### 4. Functionality

The EMD‑8216 operates as a remote digital I/O module communicating via Ethernet using UDP protocol. Each I/O channel can be configured as input or output, allowing flexible adaptation to various control tasks. The module can be addressed by IP and port number, enabling remote operation over LAN or Internet.

Operating Modes:
1. Ethernet Remote I/O Mode: Controlled by a host PC or PLC through Ethernet commands.
2. Standalone Mode: Executes pre‑programmed logic sequences stored in internal memory, functioning autonomously without network connection.

Use Cases and Applications:
- Remote contact sensing (door/window sensors, alarms, fire detectors)
- Remote control (lighting, power switching, access control)
- Industrial automation and process control
- Building management systems
- Data acquisition and monitoring
- Integration with SCADA or PLC systems

Compatibility:
- Windows 2000/XP/Vista and later
- Supports Borland C/C++, Microsoft Visual C/C++, and Visual Basic
- Compatible with JS Automation’s EMD‑8204 and EMD‑8208 modules for scalable I/O systems

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### 5. Components & Accessories

Included Components:
- EMD‑8216 Ethernet Digital I/O Module
- User Manual and Software CD (driver, DLL, demo program)
- DIN‑rail mounting bracket

Connectors:
- J2, J3: Dual RJ‑45 Ethernet ports
- JM1–JM4: I/O connectors (each with +Ve, GND, and I/O pins)
- JM5: External power input (12–24 V DC)
- SW2: System reset switch
- LED1: System active indicator

Pin Assignments:
- JM1: +Ve0, IO_00–IO_03, GND
- JM2: IO_04–IO_07, GND
- JM3: +Ve1, IO_10–IO_13, GND
- JM4: IO_14–IO_17, GND
- +Ve0 and +Ve1 can be independent voltage inputs (3.3 V–24 V) for separate I/O groups.

Optional Accessories:
- JD52000: 110/220 V AC to 24 V DC @ 1.5 A power supply
- JS52026: 110/220 V AC to 24 V DC @ 0.75 A power adapter

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### 6. Installation & Setup

Requirements:
- 12–24 V DC regulated power supply
- Ethernet network connection (10/100 Mbps)
- PC with Windows OS for configuration (optional)

Mounting:
- DIN‑rail installation in control cabinet
- Ensure adequate ventilation and avoid high‑humidity environments

Configuration Steps:
1. Connect power and Ethernet cables.
2. Assign IP address (default 192.168.0.100) and communication port (default 6936).
3. Install driver and software package (EMD8216_Install.exe).
4. Use the demo program or DLL API to configure I/O direction, polarity, and logic.
5. Optionally, program standalone logic sequences using the configuration utility.

Software Installation:
- Run EMD8216_Install.exe to install driver, API, and demo program.
- Files are stored under `..\JS Automation\EMD8216\` with subfolders for API, Driver, and Executables.
- DLL file: `EMD8216.dll` (Windows dynamic link library).

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### 7. Performance & Capabilities

Speed and Response:
- Ethernet communication: 10/100 Mbps auto‑negotiation
- Input response frequency: ≤ 200 Hz (debounce filtering)
- Timer base: 5 ms per tick for standalone timing functions

Capacity:
- 16 configurable I/O points
- Each input can serve as a counter channel (up to 200 Hz)
- 32 programmable standalone commands stored internally

Efficiency and Reliability:
- Hardware watchdog ensures continuous operation
- Over‑voltage and over‑current protection safeguard I/O circuits
- Independent voltage domains (+Ve0, +Ve1) allow mixed‑voltage operation

Limitations:
- Input frequency limited to 200 Hz (not suitable for high‑speed counting)
- Output voltage limited to 45 V DC
- Not designed for AC load switching without external relays

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### 8. Standards & Compliance

Certifications and Compliance:
- Designed for industrial automation environments
- Complies with general CE and FCC industrial EMC standards (manufacturer standard)
- RoHS‑compliant materials
- Operating safety ensured by hardware watchdog and protection circuits

Industry Standards:
- Ethernet IEEE 802.3 (10/100 Base‑T)
- TTL/CMOS logic compatibility for digital I/O
- DIN‑rail mechanical standard (EN 50022)

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### 9. Additional Information

Warranty:
Standard manufacturer warranty (typically 1 year, subject to JS Automation policy).

Technical Support:
- Online documentation and firmware updates available at [automation.com.tw](http://www.automation.com.tw).
- Email technical support: control.cards@automation.com.tw

Maintenance:
- Periodically inspect connectors and wiring for corrosion or looseness.
- Ensure firmware is up to date using JS Automation’s update tools.
- Avoid exposure to excessive vibration or moisture.

Software Updates:
- Firmware and DLL updates downloadable from manufacturer’s website.
- Latest version: Firmware v1.0, EMD8216.dll v1.0

Error Handling:
Comprehensive error codes are provided for software diagnostics, including socket initialization errors, IP configuration errors, communication timeouts, and security lock failures.

Security Features:
- Password protection for configuration access (default password “12345678”).
- Software key lock/unlock mechanism prevents unauthorized modification.
- Password reset to factory default supported.

Standalone Programming Utility:
- Graphical interface for creating up to 32 logic commands combining input conditions, timers, and output actions.
- Supports delay, pulse, and periodic output modes.
- Timer resolution: 5 ms per tick.
- Power‑on auto‑run option for autonomous operation.

Example Standalone Applications:
- Input‑triggered delayed output (e.g., alarm delay)
- Input‑triggered pulse output (e.g., momentary control)
- Periodic output toggling (e.g., flashing indicator)
- Continuous output on power‑up (e.g., system ready signal)

Related Models in Series:
- EMD‑8204: 4 isolated inputs + 4 relay outputs
- EMD‑8208: 8 isolated inputs + 8 relay outputs
- EMD‑8216: 16 configurable digital I/O (this model)

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### Summary

The JS Automation EMD‑8216 Ethernet 16×DIO 2×LAN Module is a versatile, high‑performance digital I/O device designed for industrial automation, remote monitoring, and control applications. Its dual‑LAN architecture, flexible I/O configuration, and standalone control capability make it ideal for distributed systems requiring reliability, scalability, and ease of integration. With comprehensive software support, robust protection features, and a compact DIN‑rail form factor, the EMD‑8216 provides a cost‑effective solution for modern Ethernet‑based control networks.