Comprehensive Product Summary: HSL-DI32-M-N (HSL 32-Channel NPN Sinking Input Daughter Board)

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### 1. Product Overview

Product Name: HSL-DI32-M-N
Model Number: HSL-DI32-M-N
Series: HSL (High Speed Link for Industry Automation Solutions)
Article Number: HSL-DI32-M-N
Manufacturer: ADLINK Technology Inc.
Product Type: 32-channel discrete input daughter board (NPN sinking input type)
Product Category: Industrial I/O Expansion Module for HSL System
Trademark: HSL® – High Speed Link for Industry Automation Solutions

The HSL-DI32-M-N is a robust, high-performance discrete input daughter board designed for industrial automation systems utilizing ADLINK’s HSL (High Speed Link) communication architecture. It provides 32 channels of NPN sinking or dry contact inputs, offering reliable signal acquisition for digital sensors, switches, and control devices. The module is engineered for high-speed, noise-immune data transmission and modular scalability, making it ideal for distributed I/O applications in factory automation, process control, and machine integration environments.

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### 2. Key Features

- 32 Discrete Input Channels: Supports 32 independent NPN sinking or dry contact input points for flexible digital signal interfacing.
- High-Speed Communication: Integrates seamlessly with ADLINK’s HSL system, enabling fast, deterministic data transfer between remote I/O modules and host controllers.
- Robust Industrial Design: Metal cover enclosure ensures mechanical protection and electromagnetic shielding for harsh industrial environments.
- Flexible Power Input: Operates from a wide +10 VDC to +30 VDC external power supply range, suitable for diverse industrial power systems.
- LED Indicators:
- Power (Red): Indicates active DC power.
- Link (Green): Displays communication link status.
- Input (Green): Shows per-channel input activity for easy diagnostics.
- Compact Form Factor: Optimized for DIN-rail mounting with compatible terminal bases (HSL-TB32-U-DIN or HSL-TB64-DIN).
- Address Configuration via DIP Switch: Supports flexible address assignment; occupies two consecutive address allocations starting from an odd address.
- Fast Input Response: Typical ON/OFF response time ≤ 2 ms, ensuring accurate detection of high-speed digital signals.
- High Input Impedance: 4.7 kΩ input impedance minimizes loading on connected devices.
- Low Power Consumption: Typical power consumption of only 1.8 W, enhancing energy efficiency in large-scale installations.
- Scalable System Integration: Compatible with multiple HSL terminal bases for 32- or 64-channel configurations.
- Comprehensive Diagnostic Capability: LED feedback and modular design simplify troubleshooting and maintenance.

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### 3. Technical Specifications

Electrical Characteristics (NPN Sinking Input Type):
- Model: HSL-DI32-M-N
- Input Type: NPN sinking or dry contact
- Number of Channels: 32
- Input Current (max): 10 mA
- Input Impedance: 4.7 kΩ
- ON Operating Voltage: 9.6 VDC maximum
- OFF Operating Voltage: 19.0 VDC minimum
- ON Response Time: ≤ 2 ms
- OFF Response Time: ≤ 2 ms

Power Requirements:
- External Power Supply: +10 VDC to +30 VDC
- Power Consumption: 1.8 W typical
- Power Terminals: +VS (external power input), GND (external ground)

Physical Characteristics:
- Board Dimensions: 100 mm (L) × 78.2 mm (W)
- With HSL-TB32-U-DIN: 126 mm (L) × 120.1 mm (W) × 107.3 mm (H)
- With HSL-TB64-DIN: 168.7 mm (L) × 120.1 mm (W) × 107.3 mm (H)
- Weight: 72 g (board only)
- Enclosure: Metal cover for mechanical protection and EMI shielding

Environmental Conditions:
- Operating Voltage Range: +10 VDC to +30 VDC
- Input Signal Type: NPN sinking or dry contact
- LED Indicators: Power (Red), Link (Green), Input (Green)

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### 4. Functionality

The HSL-DI32-M-N functions as a discrete input interface module within ADLINK’s HSL distributed I/O system. It captures digital signals from field devices such as push buttons, limit switches, proximity sensors, and relay contacts, converting them into logic-level data for transmission over the HSL network to a host controller or PLC.

Operational Principle:
Each input channel detects the presence or absence of a voltage signal corresponding to ON/OFF states. The NPN sinking configuration means that the input device pulls the signal line to ground when active. The board’s internal circuitry, featuring opto-isolation and signal conditioning, ensures reliable detection even in electrically noisy environments.

Use Cases and Applications:
- Factory automation and machine control systems
- Process monitoring and discrete event detection
- Packaging, assembly, and material handling equipment
- Distributed I/O expansion for PLCs and motion controllers
- Integration with ADLINK HSL master modules for high-speed data acquisition

Compatibility:
- Fully compatible with HSL-TB32-U-DIN (32-channel terminal base)
- Fully compatible with HSL-TB64-DIN (64-channel terminal base, Slot I/II configuration)
- Designed for use within the ADLINK HSL system architecture

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### 5. Components & Accessories

Included Components:
- HSL-DI32-M-N daughter board (metal cover)
- DIP switch for address configuration
- LED indicators for power, link, and input status

Compatible Terminal Bases (sold separately):
1. HSL-TB32-U-DIN:
- 32-channel I/O terminal base with DIN socket
- Provides terminal mapping for channels 0–31
- Compact DIN-rail mountable design

2. HSL-TB64-DIN:
- 64-channel I/O terminal base with dual-slot configuration (Slot I / Slot II)
- Supports channel mapping for 0–63 when two daughter boards are installed

Connectors and Pin Assignments:
- JP3 / JP4 Connectors:
- Provide signal and power connections between the daughter board and terminal base
- Include RS-422 communication lines (RX+, RX–, TX+, TX–), discrete input channels (DI0–DI31), and power pins (+VS, GND)

Pin Definition Highlights:
- Pin 1: +VS (External Power, +10V~+30V DC)
- Pin 2: GND (External Ground)
- Pins 9–20: DI0–DI11 (Discrete Input Channels 0–11)
- Pins 1–20 (JP4): DI12–DI31 (Discrete Input Channels 12–31)

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### 6. Installation & Setup

Mounting Options:
- Designed for DIN-rail installation using compatible terminal bases (HSL-TB32-U-DIN or HSL-TB64-DIN).
- Compact form factor allows dense installation in control cabinets.

Power and Signal Wiring:
- Connect external DC power (+10V to +30V) to +VS and GND terminals.
- Wire discrete input devices (sensors, switches) to corresponding DI channels on the terminal base.
- Ensure proper grounding to minimize electrical noise.

Address Configuration:
- DIP switch used to set module address within the HSL network.
- The DI32 occupies two consecutive address allocations, starting from an odd address.
- Switch bit 1 must be fixed to ON.
- Example address settings:
- `100000` → Address 1, 2
- `110000` → Address 3, 4
- …
- `101111` → Address 61, 62

Configuration Steps:
1. Mount the terminal base on DIN rail.
2. Attach the HSL-DI32-M-N daughter board securely.
3. Connect power and input wiring according to pin definitions.
4. Set DIP switch address according to system configuration.
5. Verify LED indicators for power and link status.
6. Test input channels for correct operation.

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### 7. Performance & Capabilities

Speed and Response:
- Input response time ≤ 2 ms (ON/OFF), suitable for high-speed digital signal acquisition.
- High-speed RS-422 communication ensures low-latency data transfer within the HSL network.

Capacity and Scalability:
- 32 discrete input channels per module.
- Expandable to 64 channels using HSL-TB64-DIN with two daughter boards.
- Multiple modules can be networked for large-scale distributed I/O systems.

Efficiency:
- Low power consumption (1.8 W typical) reduces system energy load.
- High input impedance (4.7 kΩ) minimizes current draw from field devices.

Limitations:
- Designed for NPN sinking or dry contact inputs only (for PNP sourcing, use HSL-DI32-M-P).
- Maximum input current limited to 10 mA per channel.
- Operating voltage range restricted to +10V–+30V DC.

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### 8. Standards & Compliance

Certifications and Compliance:
- Designed and manufactured by ADLINK Technology Inc., a certified industrial automation hardware provider.
- Complies with industrial-grade design standards for reliability and electromagnetic compatibility.
- HSL® is a registered trademark of ADLINK Technology Inc.
- All specifications subject to change without notice (document reference: AM-HSLDBIO002-E1.00).

Industry Standards:
- RS-422 differential signaling for robust, noise-immune communication.
- DIN-rail mounting compatibility per IEC standards.
- Meets general industrial automation I/O interface requirements.

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### 9. Additional Information

Ordering Information:
- HSL-DI32-DB-N: 32-Channel Discrete NPN Sinking Input Daughter Board
- HSL-DI32-DB-P: 32-Channel Discrete PNP Sourcing Input Daughter Board
- 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

Warranty & Support:
- Standard ADLINK limited warranty (refer to manufacturer’s policy).
- Technical support available via:
- Service Email: service@adlink.com.tw
- Technical Assistance: NuDAM@adlink.com.tw
- Website: [http://www.adlink.com.tw](http://www.adlink.com.tw)
- Telephone: +886-2-82265877
- Fax: +886-2-82265717

Maintenance & Updates:
- Periodic inspection recommended for terminal connections and power integrity.
- Firmware and configuration updates managed through HSL system software tools.
- LED indicators provide real-time status for quick diagnostics.

Manufacturer Information:
ADLINK Technology Inc.
Industrial Automation Division
Taipei, Taiwan

Document Reference: AM-HSLDBIO002-E1.00
Copyright: © 2001 ADLINK Technology Inc.
Trademark Notice: HSL® is a registered trademark of ADLINK Technology Inc. Other product names are trademarks or registered trademarks of their respective owners.

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### Summary

The ADLINK HSL-DI32-M-N is a 32-channel NPN sinking input daughter board engineered for high-speed, reliable digital input acquisition in industrial automation systems. As part of the HSL (High Speed Link) family, it delivers robust performance, modular scalability, and simplified installation through DIN-rail terminal bases. With its wide power range, fast response, and comprehensive LED diagnostics, the HSL-DI32-M-N is an ideal solution for distributed I/O applications requiring dependable signal integrity and efficient communication.

Its industrial-grade design, metal enclosure, and compatibility with HSL-TB32-U-DIN and HSL-TB64-DIN terminal bases make it a versatile component for modern automation architectures, ensuring long-term reliability and seamless integration into ADLINK’s HSL ecosystem.