Comprehensive Product Summary: HSL-R8DI16-M-N

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### 1. Product Overview

Product Name: HSL-R8DI16-M-N
Article Number: HSL-R8DI16-M-N
Series: HSL (High Speed Link for Industry Automation Solutions)
Manufacturer: ADLINK Technology Inc.
Product Type: Robust HSL board with metal cover, featuring 8-channel relay outputs and 16-channel NPN sinking inputs.
Product Category: Industrial I/O communication module for distributed control systems and automation networks.

The HSL-R8DI16-M-N is part of ADLINK’s HSL (High Speed Link) family, designed for high-performance industrial automation and distributed I/O applications. It integrates both relay output and discrete input channels in a compact, metal-enclosed daughter board format, providing robust connectivity and reliable signal interfacing for industrial control systems.

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### 2. Key Features

- Integrated I/O Functionality: Combines 8 relay output channels and 16 NPN sinking input channels on a single module, reducing wiring complexity and space requirements.
- High-Speed Communication: Utilizes ADLINK’s proprietary HSL (High Speed Link) technology for fast, deterministic data transfer between controllers and field I/O devices.
- Industrial-Grade Design: Metal enclosure provides superior electromagnetic shielding and mechanical protection, ensuring stable operation in harsh industrial environments.
- Flexible Input Configuration: Supports NPN sinking or dry contact input types, compatible with a wide range of sensors and switches.
- Relay Output Capability: Each relay output channel can drive external loads, suitable for controlling actuators, solenoids, and indicator lamps.
- LED Indicators: Integrated LED indicators for power, link status, and channel activity simplify diagnostics and maintenance.
- DIN-Rail Mountable: Compatible with HSL terminal bases (HSL-TB32-U-DIN and HSL-TB64-DIN) for easy installation and modular expansion.
- Address Configuration via DIP Switch: Simple DIP switch settings allow flexible address assignment within the HSL network.
- Wide Power Supply Range: Operates from +10 VDC to +30 VDC, accommodating various industrial power systems.
- Compact and Lightweight: Optimized for distributed I/O applications where space efficiency and modularity are critical.

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### 3. Technical Specifications

General Specifications
- Model: HSL-R8DI16-M-N
- Type: 8-channel relay output, 16-channel NPN sinking input
- Power Supply: +10 VDC to +30 VDC external power
- Power Consumption: 1.8 W typical
- Weight: 72 g (module only)
- Enclosure: Metal cover for enhanced durability and EMI protection

Discrete Input Specifications (NPN Sinking Type)
- Number of Channels: 16
- Input Type: NPN sinking or dry contact
- Input Current (max): 10 mA
- Input Impedance: 4.7 kΩ
- ON Operating Voltage: 9.6 VDC maximum
- OFF Operating Voltage: 19.0 VDC minimum
- Response Time (ON/OFF): 2 ms maximum each
- Input Isolation: Channel-to-channel and channel-to-system isolation via optocouplers

Relay Output Specifications
- Number of Channels: 8
- Output Type: Mechanical relay output
- Contact Rating: Typically supports switching of low-voltage DC or AC loads (exact ratings depend on relay model used)
- Isolation: Relay coil isolated from logic circuitry
- Protection: Built-in suppression for inductive load switching

Physical Dimensions
- Daughter Board Only: 100 mm × 78.2 mm
- With HSL-TB32-U-DIN Base: 126 mm × 120.1 mm × 107.3 mm
- With HSL-TB64-DIN Base: 168.7 mm × 120.1 mm × 107.3 mm

Environmental Conditions
- Operating Temperature: Industrial range (typically 0°C to 60°C)
- Storage Temperature: -20°C to 80°C
- Humidity: 5% to 95% RH, non-condensing

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### 4. Functionality

The HSL-R8DI16-M-N functions as a distributed I/O node within an HSL-based automation network. It communicates with a host controller or PLC via the HSL bus, transmitting discrete input states and receiving output commands in real time.

Operation Principle:
- Inputs: The 16 NPN sinking input channels detect the ON/OFF status of external devices such as switches, sensors, or pushbuttons. When an external device pulls the input line low (to ground), the corresponding input channel registers an ON state.
- Outputs: The 8 relay output channels are controlled by the host system through the HSL communication link. Each relay can switch external loads, enabling control of actuators, alarms, or other field devices.
- Communication: The module uses RS-422 differential signaling for robust, noise-immune data transmission over long distances.
- Addressing: DIP switches on the board define the module’s address within the HSL network. The DI32-type daughter boards occupy two consecutive address allocations starting from an odd address.

Typical Applications:
- Factory automation and process control
- Machine tool monitoring and control
- Packaging and material handling systems
- Building automation and facility management
- Distributed I/O expansion for PLCs and motion controllers

Compatibility:
- Fully compatible with ADLINK HSL terminal bases:
- HSL-TB32-U-DIN: 32-channel I/O terminal base
- HSL-TB64-DIN: 64-channel I/O terminal base
- Works with HSL master modules and controllers supporting the HSL communication protocol.

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### 5. Components & Accessories

Included Components:
- HSL-R8DI16-M-N module (metal-enclosed daughter board)
- Integrated LED indicators for power, link, and I/O status
- DIP switch for address configuration

Optional Accessories:
- HSL-TB32-U-DIN: 32-channel I/O terminal base with DIN socket
- HSL-TB64-DIN: 64-channel I/O terminal base with DIN socket (supports dual-slot configuration)
- Cabling: RS-422 communication cables for HSL network connection
- Mounting Hardware: DIN rail clips and screws for secure installation

Connectors:
- JP3 / JP4 Pin Headers: Provide connections for power, communication lines, and discrete input channels.
- Power Pins: +VS (+10V to +30V DC), GND
- Communication Pins: RX+, RX-, TX+, TX- (RS-422 differential lines)
- Input Pins: DI0–DI31 (depending on configuration)

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### 6. Installation & Setup

Installation Requirements:
- External DC power supply: +10 VDC to +30 VDC
- Proper grounding to minimize electrical noise
- DIN rail or panel mounting surface

Mounting Options:
- Direct mounting on HSL-TB32-U-DIN or HSL-TB64-DIN terminal bases
- DIN rail installation for modular system expansion

Configuration Steps:
1. Set Address: Use the onboard DIP switch to assign the module’s HSL address. The first bit (bit 1) must be set to ON, as the module occupies two consecutive addresses starting from an odd number.
2. Connect Power: Supply +10V to +30V DC to the +VS and GND terminals.
3. Connect Communication Lines: Wire the RS-422 lines (RX+, RX-, TX+, TX-) to the HSL network.
4. Wire Inputs and Outputs: Connect field devices to the input and output terminals according to the provided pin definitions.
5. Verify LED Indicators: Ensure that the power (red), link (green), and input (green) LEDs indicate proper operation.

Field I/O Configuration:
- With HSL-TB32-U-DIN, channels 0–31 correspond to terminal numbers 0–31.
- With HSL-TB64-DIN, channels are mapped across Slot I and Slot II, allowing up to 64 channels per base.

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### 7. Performance & Capabilities

Speed and Responsiveness:
- High-speed data exchange through HSL protocol ensures minimal latency between controller and I/O module.
- Input response time of 2 ms (ON/OFF) supports real-time monitoring of fast-changing signals.

Capacity and Scalability:
- Supports 16 discrete input channels and 8 relay output channels per module.
- Multiple modules can be networked via HSL to expand total I/O capacity.

Efficiency:
- Low power consumption (1.8 W) minimizes heat generation and energy cost.
- Compact design allows dense installation in control cabinets.

Limitations:
- Designed for discrete (digital) signals only; not suitable for analog input/output.
- Relay outputs have mechanical switching limits; not intended for high-frequency switching applications.

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### 8. Standards & Compliance

Certifications and Compliance:
- Designed in accordance with industrial automation standards for distributed I/O systems.
- Complies with RS-422 communication standards for differential signaling.
- Meets CE and FCC electromagnetic compatibility requirements (typical for ADLINK HSL products).
- Manufactured under ISO 9001 quality management system.

Industry Standards Supported:
- HSL (High Speed Link) protocol for industrial communication
- DIN rail mounting standard (EN 50022)
- Electrical safety and EMC compliance per industrial norms

Regulatory Notes:
- Specifications and contents are subject to change without notice.
- HSL® is a registered trademark of ADLINK Technology Inc.
- Other product names and brands are trademarks or registered trademarks of their respective owners.

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### 9. Additional Information

Warranty:
- Standard manufacturer’s warranty provided by ADLINK Technology Inc. (typically one year, depending on region and distributor).

Technical Support:
- Service Email: service@adlink.com.tw
- Technical Assistance: NuDAM@adlink.com.tw
- Telephone: +886-2-82265877
- Fax: +886-2-82265717
- Website: [http://www.adlink.com.tw](http://www.adlink.com.tw)

Maintenance:
- Periodic inspection recommended to ensure secure wiring and clean contacts.
- Avoid exposure to excessive vibration, dust, or moisture.
- Replace relay components as needed based on switching life expectancy.

Firmware and Updates:
- Firmware updates and configuration tools available through ADLINK’s support portal.
- Compatible with ADLINK’s HSL configuration utilities for network setup and diagnostics.

Ordering Information:
- HSL-R8DI16-M-N: 8-channel relay output, 16-channel NPN sinking input module with metal cover
- HSL-DI32-DB-N: 32-channel discrete NPN sinking input daughter board (related model)
- HSL-DI32-DB-P: 32-channel discrete PNP sourcing input daughter board (alternative model)
- HSL-TB32-U-DIN: 32-channel I/O terminal base with DIN socket
- HSL-TB64-DIN: 64-channel I/O terminal base with DIN socket

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### Summary

The ADLINK HSL-R8DI16-M-N is a robust, high-performance distributed I/O module designed for industrial automation systems requiring reliable digital input and output interfacing. With 8 relay outputs and 16 NPN sinking inputs, it offers a balanced combination of control and monitoring capabilities. Its metal enclosure, high-speed HSL communication, and flexible installation options make it ideal for demanding industrial environments.

Engineered for scalability, the HSL-R8DI16-M-N integrates seamlessly into ADLINK’s HSL ecosystem, supporting modular expansion and efficient system architecture. Whether used in machine control, process automation, or building management, this module delivers dependable performance, ease of integration, and long-term reliability consistent with ADLINK’s industrial-grade standards.