Comprehensive Product Summary – DIO-1616T-LPE

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### 1. Product Overview

Product Name: PCI Express Low Profile TTL 16/16 Channel Digital I/O Card
Model: DIO-1616T-LPE
Series: PCI Express (Low Profile) Digital I/O Interface Boards
Article Number: DIO-1616T-LPE
Manufacturer: CONTEC CO., LTD.
Country of Origin: Japan
Manufacturer Website: [https://www.contec.com](https://www.contec.com)

The CONTEC DIO-1616T-LPE is a PCI Express bus–compliant digital input/output interface board designed for high-speed, unisolated TTL-level signal processing. It provides 16 input and 16 output channels, all operating at TTL logic levels, and supports both low-profile and standard PCIe slot configurations. The board is engineered for industrial automation, control, and measurement applications requiring fast, reliable digital I/O with interrupt and filtering capabilities.

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### 2. Key Features

- PCI Express Bus Compliance:
Fully compliant with PCI Express Base Specification Rev. 1.0a (x1 lane). Compatible with standard and low-profile PCIe slots.

- High-Speed TTL-Level I/O:
Provides 16 unisolated TTL-level inputs and 16 open-collector TTL-level outputs.
Input response time: within 200 nanoseconds.
Output response time: within 200 nanoseconds (variable with pull-up resistance).

- Interrupt Functionality:
All 16 input channels can be configured as interrupt inputs.
Supports rising-edge or falling-edge interrupt triggering.
Interrupts can be enabled or disabled per bit.

- Digital Filtering:
Built-in digital filter prevents false triggering due to noise or contact chattering.
Filter time adjustable from 0 to 131.072 milliseconds (21-step range).

- Compact Low-Profile Design:
Dimensions: 121.69 mm (L) × 67.90 mm (H).
Supplied with both low-profile and standard PCI brackets for flexible installation.

- Software Compatibility:
Bundled with CONTEC’s API-PAC(W32) driver library for Windows and API-DIO(LNX) for Linux.
Supports LabVIEW via VI-DAQ library.
Includes diagnostic and sample programs for rapid development.

- Electrical Performance:
Output rating: 30 VDC, 40 mA per channel (open collector).
Input resistance: 10 kΩ (1 TTL load).
Power consumption: 3.3 VDC, 300 mA (max).

- Connector Interface:
50-pin Mini-Ribbon connector (3M 10250-52A2JL or equivalent).
Compatible with CONTEC’s optional cables and terminal blocks.

- Compatibility:
Functionally equivalent to CONTEC’s PIO-16/16T(LPCI)H PCI board.
Connector pin assignments are identical, ensuring easy migration.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Bus Interface | PCI Express Base Specification Rev. 1.0a, x1 lane |
| Input Channels | 16 channels (TTL-level, negative logic) |
| Output Channels | 16 channels (open collector, TTL-level, negative logic) |
| Input Resistance | 10 kΩ (1 TTL load) |
| Input Voltage Range | TTL-level (0–5 VDC) |
| Output Voltage Range | Up to 30 VDC |
| Output Current | 40 mA max per channel |
| Response Time | Input: ≤200 ns; Output: ≤200 ns |
| Interrupts | 16 input signals combined into one interrupt request (INTA) |
| Digital Filter Range | 0–131.072 ms (programmable, 21 steps) |
| Power Consumption | 3.3 VDC, 300 mA (max) |
| Operating Temperature | 0–50 °C |
| Operating Humidity | 10–90% RH (non-condensing) |
| Signal Extension Distance | Approx. 1.5 m (depends on wiring environment) |
| Dimensions | 121.69 mm (L) × 67.90 mm (H) |
| Weight | Approx. 60 g |
| Connector Type | 50-pin Mini-Ribbon (3M 10250-52A2JL) |
| Mounting Brackets | Low-profile (pre-installed) and standard PCI bracket (included) |
| Compliance | CE marking, RoHS compliant |
| Cooling | Passive (no fan required) |

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### 4. Functionality

Operating Principle:
The DIO-1616T-LPE interfaces digital TTL-level signals between a PC and external devices. Input signals are read as logic “1” (ON) or “0” (OFF), while output signals drive external circuits through open-collector transistors. The board supports interrupt-driven input monitoring and software-configurable digital filtering.

Use Cases:
- Industrial automation and machine control
- Data acquisition and monitoring systems
- Laboratory instrumentation and test benches
- Embedded control systems
- PLC interfacing and signal conditioning
- Real-time event detection and logging

Compatibility:
- Compatible with Windows XP/2000/Server 2003 and Linux distributions (RedHat, TurboLinux, etc.).
- Supports programming in Visual C++, Visual Basic, C#, Delphi, and LabVIEW.
- Fully compatible with CONTEC’s PIO-16/16T(LPCI)H for hardware and software migration.

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### 5. Components & Accessories

Included Items:
- DIO-1616T-LPE board (1)
- Standard-size PCI bracket (1)
- CD-ROM (API-PAC(W32) driver library, manuals, and sample programs)
- First Step Guide (1)

Optional Cables:
- PCB50PS-0.5P / PCB50PS-1.5P – Shielded 50-pin Mini-Ribbon cables (0.5 m / 1.5 m)
- PCA50PS-0.5P / PCA50PS-1.5P – One-end shielded 50-pin Mini-Ribbon cables
- PCE50/37PS-0.5P – 50-pin to 37-pin D-SUB conversion cable (0.5 m)

Optional Terminal Blocks and Accessories:
- EPD-50A – 50-point M3 screw terminal block
- EPD-37A / EPD-37 – 37-point screw terminal units
- DTP-3(PC) / DTP-4(PC) – Termination panels
- CM-32(PC)E – Signal monitor and test emulator
- DIN-ADP1 – DIN rail adapter for terminal units

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### 6. Installation & Setup

System Requirements:
- Available PCI Express x1 slot (supports x4/x8/x16 mechanically)
- Windows XP/2000/Server 2003 or Linux (kernel 2.4 or later)
- Minimum 3.3 VDC, 300 mA power supply capacity from PCIe slot

Installation Steps:
1. Software Installation:
Install the API-PAC(W32) driver library before inserting the board.
Run `AUTORUN.EXE` from the CD-ROM and select “Digital I/O API-DIO(98/PC)” for full installation.

2. Hardware Preparation:
- Replace the low-profile bracket with the standard bracket if required.
- Set the board ID (rotary switch SW1) if multiple boards are installed (0–Fh range).

3. Board Installation:
- Power off the PC and insert the board into an available PCIe slot.
- Secure the bracket and close the chassis.

4. Driver Configuration:
- Upon reboot, Windows detects the new hardware.
- Specify the INF file path: `\INF\Win2000\Dio\PCI` on the CD-ROM.
- Use API-TOOL Configuration to register and initialize the board.

5. Verification:
- Run the included Diagnosis Program to test input/output and interrupt functions.
- Use CM-32(PC)E or equivalent for external signal simulation.

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### 7. Performance & Capabilities

- Input Performance:
TTL-level negative logic input with 10 kΩ pull-up resistance.
Response time ≤200 ns.
All 16 inputs can generate interrupts.

- Output Performance:
Open-collector transistor outputs (negative logic).
Maximum 30 VDC, 40 mA per channel.
Response time ≤200 ns (variable with external pull-up).

- Interrupt Handling:
16 input lines combined into one interrupt request (INTA).
Edge-selectable (rising or falling).
Maskable per bit.

- Digital Filtering:
Adjustable filter time (0–131.072 ms).
Prevents false triggering from noise or contact bounce.

- Reliability:
Designed for continuous industrial operation (0–50 °C, 10–90% RH).
No moving parts; passive cooling ensures long-term stability.

- Limitations:
Non-isolated I/O – external circuits must share a common ground.
Maximum wiring length approximately 1.5 m (depends on environment).
Not suitable for high-voltage or AC signal interfacing.

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### 8. Standards & Compliance

- Bus Standard: PCI Express Base Specification Rev. 1.0a
- Electrical Safety: Designed for SELV (Safety Extra Low Voltage) environments
- Environmental Compliance: RoHS compliant
- EMC Compliance: CE marking (EN55022/EN55024 equivalent)
- Operating Conditions:
- Temperature: 0–50 °C
- Humidity: 10–90% RH (non-condensing)
- No corrosive gases or excessive dust

- Quality Assurance:
Manufactured under CONTEC’s ISO 9001–certified quality management system.
Each unit undergoes functional and environmental testing prior to shipment.

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### 9. Additional Information

Warranty:
Three-year limited warranty covering defects in materials and workmanship.
Excludes damage from misuse, modification, or improper installation.

Support & Service:
- Technical support via CONTEC’s global web portals:
- Japan: [https://www.contec.co.jp](https://www.contec.co.jp)
- Global: [https://www.contec.com](https://www.contec.com)
- China: [https://www.contec.com.cn](https://www.contec.com.cn)
- Free driver and software updates available online.
- Return Merchandise Authorization (RMA) required for service.

Maintenance:
- Periodically inspect connectors for dust or corrosion.
- Clean gold-plated contacts with industrial alcohol if touched.
- Store in anti-static packaging when not in use.

Software Ecosystem:
- API-PAC(W32): Windows driver library with Win32 API functions (DLL).
- API-DIO(LNX): Linux kernel module and shared library for digital I/O control.
- VI-DAQ: LabVIEW VI library for seamless integration with NI environments.
- Sample Programs: Provided in C/C++, Visual Basic, and .NET languages.
- Diagnostic Tools: API-TOOL Configuration and Diagnosis Program for testing and debugging.

Documentation:
- User’s Guide (PDF) included on CD-ROM.
- Online technical reference available at [https://www.contec.com/support/](https://www.contec.com/support/).

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### Summary

The CONTEC DIO-1616T-LPE is a compact, high-speed, low-profile PCI Express digital I/O card designed for TTL-level signal interfacing in industrial and laboratory environments. With 16 input and 16 output channels, interrupt-driven event handling, and programmable digital filtering, it provides a robust and flexible platform for digital control and monitoring applications. Its compatibility with both Windows and Linux, along with comprehensive driver support and diagnostic utilities, ensures rapid integration into automation systems, test equipment, and embedded control solutions.

The board’s low power consumption, dual-slot bracket design, and proven CONTEC reliability make it an ideal choice for OEMs, system integrators, and engineers seeking a cost-effective, high-performance digital I/O interface for modern PCI Express systems.