1. Product Overview

Name: PCIe TTL 64/64 Channel Digital Input/Output Card
Model: DIO-6464T-PE
Series: PCI Express Digital I/O Series (TTL-level, non-isolated)
Article Number: DIO-6464T-PE
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Type: PCI Express bus-compliant digital I/O interface board
Description: The DIO-6464T-PE is a high-density, non-isolated 64-input / 64-output TTL-level digital I/O board designed for PCI Express (PCIe) bus systems. It provides fast, reliable digital signal interfacing for industrial automation, measurement, and control applications. The board supports negative logic, high-speed response, and interrupt generation on signal transitions.

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2. Key Features

- High-Density I/O: Provides 64 digital input and 64 digital output channels on a single PCIe card, enabling large-scale digital control and monitoring within compact systems.
- TTL-Level Interface: Operates at standard 5V TTL logic levels (negative logic), suitable for direct connection to logic circuits, sensors, and actuators.
- High-Speed Response: Input response time of approximately 200 nanoseconds and output switching within 1 microsecond, supporting high-frequency digital operations.
- Interrupt Functionality: Supports up to four event inputs combined into one interrupt request (INTA#). Interrupts can be triggered on rising or falling edges, allowing event-driven control.
- Flexible Signal Handling: Each input channel has a 10 kΩ pull-up resistor; outputs are open-collector type capable of sinking up to 40 mA at 30 VDC maximum.
- Compact PCIe Form Factor: Short-size PCI Express x1 board (121.69 × 107 × 19 mm) compatible with standard and low-profile PCIe slots.
- Standard Connector Interface: Equipped with a 37-pin D-sub female connector for external wiring.
- Software Support: Fully supported by CONTEC’s API-TOOL driver suite for Windows and Linux, and compatible with LabVIEW via VI-DAQ library.
- Industrial Reliability: Designed for continuous operation in industrial environments with robust electrical characteristics and stable performance.

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3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Bus Interface | PCI Express Base Specification Rev. 1.0a, x1 lane |
| Input Channels | 64 channels, TTL-level (negative logic) |
| Output Channels | 64 channels, open-collector (negative logic) |
| Input Resistance | 10 kΩ (pull-up to +5V) |
| Input Voltage Range | 0–5 VDC (TTL level) |
| Input Logic | Negative logic (Low = ON, High = OFF) |
| Output Type | Open collector, current sinking |
| Output Rating | 30 VDC max, 40 mA per channel |
| Response Time | Input: 200 ns max; Output: 1 µs max |
| Interrupt Capability | 4 event inputs combined to 1 interrupt request (INTA#) |
| Connector Type | 37-pin D-sub female (DCL-J37SAF-20L9 [JAE] or equivalent) |
| Dimensions (L×H×D) | 121.69 × 107 × 19 mm |
| Weight | Approx. 60 g |
| Power Consumption | +3.3VDC, 300 mA (from PCIe bus) |
| Operating Temperature | 0–50°C |
| Operating Humidity | 10–90% RH (non-condensing) |
| Signal Extension Distance | Up to 1.5 m (depending on wiring environment) |
| Mounting | Standard PCIe slot (supports low-profile bracket) |
| Isolation | Non-isolated (direct TTL interface) |
| Common Configuration | Single common per group (negative logic common) |

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4. Functionality

The DIO-6464T-PE functions as a high-speed digital interface between a host PC and external devices. It allows simultaneous monitoring and control of 128 digital lines (64 inputs and 64 outputs).

- Input Function:
Each input channel detects TTL-level signals from external devices. The board interprets a low-level voltage (0–0.8V) as logic “1” (ON) and a high-level voltage (2.0–5.0V) as logic “0” (OFF). Internal 10 kΩ pull-up resistors maintain stable logic levels when inputs are open.

- Output Function:
Each output channel is an open-collector transistor output capable of sinking up to 40 mA at 30 VDC. External pull-up resistors or loads are required. Outputs can drive LEDs, relays, or logic inputs.

- Interrupt Function:
The board can generate interrupts on signal transitions (rising or falling edges). Four event inputs are combined into one interrupt request line (INTA#). This allows event-driven control without continuous polling.

- Digital Filtering:
Software-configurable digital filters can be applied to input channels to suppress noise and contact chattering.

- Use Cases:
- Industrial automation and machine control
- Data acquisition and monitoring systems
- Production line signal interfacing
- Laboratory instrumentation and test benches
- Embedded control systems requiring high-speed digital I/O

- Compatibility:
Compatible with Windows and Linux operating systems via CONTEC’s API-TOOL driver suite. Also supports LabVIEW integration through VI-DAQ libraries.

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5. Components & Accessories

Included Items:
- DIO-6464T-PE PCIe board
- Standard-size bracket (for full-height PCIe slots)
- User documentation and driver CD-ROM (API-PAC(W32))

Optional Accessories:
- Cables:
- PCB37P / PCB37PS (37-pin D-sub to D-sub flat or shielded cables, 0.5–5 m)
- PCA37P / PCA37PS (37-pin D-sub to discrete wire cables)
- Terminal Blocks:
- EPD-37A (37-pin screw terminal block, DIN-rail mountable)
- DTP-3(PC) / DTP-4(PC) (screw-type termination panels)
- CM-32(PC)E (signal monitor and test tool for digital I/O)
- Connector Sets:
- CN5-D37M (37-pin D-sub male connector kit)
- Conversion Cables:
- PCE50/37PS-0.5P (50-pin to 37-pin conversion cable for compatibility with other CONTEC boards)

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6. Installation & Setup

Requirements:
- Available PCI Express x1 slot (compatible with x4/x8/x16 mechanical slots)
- Windows or Linux operating system
- Administrator privileges for driver installation

Installation Steps:
1. Software Installation:
Install the API-PAC(W32) driver package before inserting the board. The installer automatically registers the digital I/O driver (API-DIO).
2. Hardware Installation:
Power off the PC, insert the DIO-6464T-PE into an available PCIe slot, and secure it with the bracket.
3. Driver Configuration:
Upon reboot, Windows detects the board automatically. Use the API-TOOL Configuration utility to assign board IDs and verify operation.
4. Verification:
Run the included diagnostic utility to test input/output functionality and interrupt response.
5. External Wiring:
Connect external devices via the 37-pin D-sub connector using appropriate cables and terminal blocks.

Mounting Options:
- Standard PCIe bracket (included)
- Low-profile bracket (optional, for compact PCs)

Configuration:
- Board ID selectable via software (for multi-board systems)
- Interrupt edge and mask settings configurable through API functions

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7. Performance & Capabilities

- Speed:
Input response time: 200 ns max
Output switching time: 1 µs max
Interrupt latency: dependent on OS and driver configuration

- Capacity:
128 total I/O points (64 input + 64 output)
Supports up to 16 boards per system (1,024 I/O points total)

- Efficiency:
Direct memory-mapped I/O access via PCIe ensures minimal CPU overhead and high throughput.

- Limitations:
- Non-isolated design: external circuits must share a common ground with the PC.
- Maximum wiring length limited to approximately 1.5 m to maintain signal integrity.
- External pull-up resistors required for output circuits.

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8. Standards & Compliance

- Bus Compliance: PCI Express Base Specification Revision 1.0a
- Electrical Standards: TTL-level logic (5V)
- Environmental Compliance:
- Operating temperature: 0–50°C
- Humidity: 10–90% RH (non-condensing)
- No corrosive gases or excessive dust
- Safety & EMC: Designed for industrial environments; conforms to CE and RoHS directives (manufacturer standard).
- Software Standards:
- Windows API-PAC(W32) driver library (Win32 API compliant)
- Linux API-DIO(LNX) driver (kernel module and shared library)
- LabVIEW VI-DAQ library (compatible with NI Data Acquisition VI format)

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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 & Maintenance:
- Technical Support: Available via CONTEC’s global support portal (www.contec.com/support).
- Software Updates: Free driver and library updates downloadable from CONTEC’s website.
- Documentation: Comprehensive user manuals, API references, and sample code included on CD-ROM and online.
- Maintenance:
- Periodically inspect connectors and contacts for dust or corrosion.
- Clean gold-plated terminals with industrial alcohol if contaminated.
- Store in anti-static packaging when not in use.

Service & RMA:
Products requiring service must be returned with a Return Merchandise Authorization (RMA) number obtained from CONTEC or an authorized distributor.

Safety Precautions:
- Do not install or remove the board while the PC is powered.
- Avoid exposure to static electricity; use proper grounding during handling.
- Ensure adequate power supply capacity for all installed boards.

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Summary

The CONTEC DIO-6464T-PE is a high-performance, PCI Express-based digital I/O board offering 64 TTL-level inputs and 64 open-collector outputs. Designed for industrial and laboratory automation, it provides high-speed, low-latency digital interfacing with flexible interrupt control and robust software support. Its compact PCIe form factor, comprehensive driver suite, and compatibility with major operating systems make it ideal for integration into modern control and data acquisition systems requiring reliable, high-density digital I/O.