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- 64 Independent TTL-Level Input Channels: Supports 64 discrete digital input points for TTL (Transistor-Transistor Logic) signals, ideal for interfacing with logic circuits and low-voltage digital devices.
- Standard PC Bus Compatibility: Designed for PC/AT-compatible systems, compliant with ISA bus architecture.
- Multiple Interrupt Lines: Supports up to four interrupt lines selectable from IRQ 3–7, 9–12, 14, and 15, allowing flexible interrupt-driven input monitoring.
- Low Power Consumption: Operates at 5VDC with a maximum current draw of only 250mA, minimizing system power load.
- High-Density Connector: Equipped with a 96-pin D-type female connector for compact, high-channel-count wiring.
- Compact Form Factor: Board dimensions of 160mm × 122mm (6.3" × 4.8") allow installation in standard PC chassis.
- TTL-Level Input Compatibility: Accepts standard 5VDC TTL logic signals, enabling direct connection to digital logic circuits without additional level conversion.
- Stable and Reliable Operation: Designed for industrial environments with robust electrical characteristics and stable signal handling.
- Software Support: Compatible with CONTEC’s API-TOOL driver suite for Windows and Linux, and VI-DAQ library for LabVIEW integration.
- Flexible Integration: Can be used in conjunction with other CONTEC digital I/O boards for scalable system expansion.
- Standard PC Bus Compatibility: Designed for PC/AT-compatible systems, compliant with ISA bus architecture.
- Multiple Interrupt Lines: Supports up to four interrupt lines selectable from IRQ 3–7, 9–12, 14, and 15, allowing flexible interrupt-driven input monitoring.
- Low Power Consumption: Operates at 5VDC with a maximum current draw of only 250mA, minimizing system power load.
- High-Density Connector: Equipped with a 96-pin D-type female connector for compact, high-channel-count wiring.
- Compact Form Factor: Board dimensions of 160mm × 122mm (6.3" × 4.8") allow installation in standard PC chassis.
- TTL-Level Input Compatibility: Accepts standard 5VDC TTL logic signals, enabling direct connection to digital logic circuits without additional level conversion.
- Stable and Reliable Operation: Designed for industrial environments with robust electrical characteristics and stable signal handling.
- Software Support: Compatible with CONTEC’s API-TOOL driver suite for Windows and Linux, and VI-DAQ library for LabVIEW integration.
- Flexible Integration: Can be used in conjunction with other CONTEC digital I/O boards for scalable system expansion.
1. Product Overview
Product Name: TTL 64-Channel Digital Input Card
Model: PI-64T(PC)
Series: PI Series – Digital Input Interface Boards
Article Number: PI-64T(PC)
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control / Digital I/O Interface Boards
The CONTEC PI-64T(PC) is a 64-channel TTL-level digital input card designed for use in PC-based industrial control and monitoring systems. It provides high-density digital input capability for TTL-level signals, enabling direct connection to logic circuits, sensors, and control devices that operate at 5VDC logic levels. The board is part of CONTEC’s extensive PI-series of digital I/O interface products, which are available in multiple bus formats including PCI, ISA, CompactPCI, USB, and PC Card. The PI-64T(PC) model specifically targets TTL-level input applications requiring high channel counts, low power consumption, and reliable interrupt handling.
2. Key Features
- 64 Independent TTL-Level Input Channels: Supports 64 discrete digital input points for TTL (Transistor-Transistor Logic) signals, ideal for interfacing with logic circuits and low-voltage digital devices.
- Standard PC Bus Compatibility: Designed for PC/AT-compatible systems, compliant with ISA bus architecture.
- Multiple Interrupt Lines: Supports up to four interrupt lines selectable from IRQ 3–7, 9–12, 14, and 15, allowing flexible interrupt-driven input monitoring.
- Low Power Consumption: Operates at 5VDC with a maximum current draw of only 250mA, minimizing system power load.
- High-Density Connector: Equipped with a 96-pin D-type female connector for compact, high-channel-count wiring.
- Compact Form Factor: Board dimensions of 160mm × 122mm (6.3" × 4.8") allow installation in standard PC chassis.
- TTL-Level Input Compatibility: Accepts standard 5VDC TTL logic signals, enabling direct connection to digital logic circuits without additional level conversion.
- Stable and Reliable Operation: Designed for industrial environments with robust electrical characteristics and stable signal handling.
- Software Support: Compatible with CONTEC’s API-TOOL driver suite for Windows and Linux, and VI-DAQ library for LabVIEW integration.
- Flexible Integration: Can be used in conjunction with other CONTEC digital I/O boards for scalable system expansion.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Input Channels | 64 channels |
| Input Type | TTL-level digital input (non-isolated) |
| Input Signal Level | TTL logic (5VDC nominal) |
| Input Resistance | 10kΩ typical |
| Interrupt Capability | 4 interrupt lines selectable from IRQ 3–7, 9–12, 14, 15 |
| Response Time | Typical TTL response (<200nsec) |
| Internal Power Supply | 5VDC ±5% |
| Power Consumption | Max. 250mA @ 5VDC |
| Bus Interface | ISA AT bus (8/16-bit) |
| I/O Address Range | Any 8-byte or 16-byte boundary (configurable) |
| Connector Type | 96-pin D-type female connector |
| Dimensions | 160mm (L) × 122mm (H) |
| Weight | Approx. 150g |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -10°C to +60°C |
| Humidity | 10–90% RH (non-condensing) |
| Wiring Distance | Up to 50m (depending on signal quality and cable type) |
| Mounting | Internal PC expansion slot (ISA) |
| Maximum Input Current | TTL standard input current (approx. 1.6mA per channel) |
4. Functionality
The PI-64T(PC) functions as a high-density digital input interface for TTL-level signals. Each of the 64 input channels can detect logic-level changes (HIGH/LOW) from external devices such as switches, sensors, encoders, or logic circuits. The board translates these signals into digital data accessible by the host PC through the ISA bus.
Operation Principle:
- Each input channel receives a TTL-level signal (0–5VDC).
- The board’s internal circuitry detects the logic state and stores it in an input register.
- The host PC reads the input data via I/O port access.
- Interrupts can be configured to trigger on specific input changes, allowing event-driven data acquisition.
Use Cases and Applications:
- Industrial automation and process control systems.
- Machine status monitoring and event logging.
- Digital signal acquisition from sensors or switches.
- Laboratory instrumentation and test automation.
- Embedded control systems requiring multiple digital inputs.
- Educational and research environments for digital logic interfacing.
Compatibility:
- Compatible with PC/AT and ISA-bus-based industrial PCs.
- Works with CONTEC’s API-TOOL driver suite for Windows and Linux.
- Integrates with LabVIEW via CONTEC’s VI-DAQ library.
- Can be combined with other CONTEC digital I/O boards for mixed input/output configurations.
5. Components & Accessories
Included Items:
- PI-64T(PC) main board.
- User manual and installation guide.
- Driver software (API-TOOL for Windows/Linux, downloadable from CONTEC website).
Optional Accessories:
- Cables: PCB96P, PCB96PS, PCB96W, PCB96WS (96-pin half-pitch cables).
- Terminal Blocks: EPD-96, CM-64(PC)E, CCB-96 for easy field wiring.
- Connector Sets: PCA96P, PCA96PS for custom cable fabrication.
- Mounting Hardware: Standard ISA slot bracket and screws.
Connectors:
- 96-pin D-type female connector (half-pitch).
- Compatible with HONDA Tsushin Kogyo PCR-E96LMD or equivalent connectors.
6. Installation & Setup
System Requirements:
- IBM PC/AT-compatible computer with available ISA expansion slot.
- Operating system: Windows (API-TOOL supported versions) or Linux.
- +5VDC power supply from PC bus.
Installation Steps:
1. Power off the PC and remove the cover.
2. Insert the PI-64T(PC) card into an available ISA slot.
3. Secure the card with the bracket screw.
4. Connect the external wiring to the 96-pin connector using a compatible cable.
5. Configure the I/O address and interrupt settings via DIP switches or software.
6. Install the API-TOOL driver and verify device recognition.
7. Test input functionality using the provided utility or LabVIEW VI-DAQ interface.
Mounting Options:
- Standard ISA slot mounting inside PC chassis.
- Can be used in rack-mounted or industrial PC enclosures.
Configuration:
- I/O address and IRQ lines are selectable.
- Interrupts can be assigned to any of IRQ 3–7, 9–12, 14, or 15.
- Software configuration supported through API-TOOL utilities.
7. Performance & Capabilities
- Input Speed: TTL-level response time typically <200 nanoseconds.
- Interrupt Handling: Supports up to four simultaneous interrupt lines for event-driven input capture.
- Capacity: 64 independent input channels for high-density signal acquisition.
- Efficiency: Low power draw (250mA @ 5VDC) ensures minimal system load.
- Signal Integrity: TTL-level inputs ensure reliable logic detection with minimal noise susceptibility.
- Limitations: Non-isolated design; not suitable for high-voltage or noisy industrial environments without external isolation.
- Reliability: Designed for continuous operation in industrial and laboratory settings.
8. Standards & Compliance
- Bus Standard: ISA AT bus compliant.
- Electrical Standards: TTL logic level (5VDC) compliant.
- Environmental Compliance: Designed for industrial temperature and humidity ranges.
- Software Standards: Compatible with Windows Win32 API and Linux device driver frameworks.
- Safety & EMC: Meets general industrial electronic equipment standards (manufacturer’s internal compliance).
- Quality Assurance: Manufactured under CONTEC’s ISO-certified quality management system.
9. Additional Information
Warranty:
Standard CONTEC limited warranty (typically one year) covering defects in materials and workmanship under normal use.
Technical Support:
- Online documentation and driver downloads available at [www.contec.com](https://www.contec.com).
- Technical support via email and phone for installation and configuration assistance.
Maintenance:
- No periodic maintenance required.
- Keep connectors clean and free from dust.
- Avoid exposure to excessive vibration or moisture.
Software Updates:
- API-TOOL drivers and VI-DAQ libraries are periodically updated for compatibility with new operating systems.
- Updates available free of charge from CONTEC’s global portal.
Related Products:
- PI-32T(PC): 32-channel TTL input version.
- PIO-32/32T(PCI): 32 input / 32 output TTL-level PCI board.
- PI-64L(PCI)H: 64-channel opto-isolated input board (12–24VDC).
- PO-64L(PCI)H: 64-channel opto-isolated output board.
- PIO-64/64L(PCI): Combined 64 input / 64 output opto-isolated I/O board.
Manufacturer Information:
CONTEC Co., Ltd.
Industrial Automation and Measurement Division
Global Portal: [www.contec.com](https://www.contec.com)
Headquarters: Osaka, Japan
### Summary
The CONTEC PI-64T(PC) TTL 64-channel digital input card is a high-density, low-power, ISA-bus-compatible interface board designed for TTL-level signal acquisition in industrial and laboratory environments. With 64 independent input channels, selectable interrupt lines, and robust software support, it provides a reliable and efficient solution for digital signal monitoring and control. Its compact design, standard 96-pin connector, and compatibility with CONTEC’s accessory ecosystem make it ideal for integration into PC-based control systems where high channel count and TTL-level interfacing are required.
This board is particularly suited for applications such as automated testing, machine monitoring, and digital logic analysis, where precise and fast TTL-level input detection is essential. Supported by CONTEC’s cross-platform driver suite and LabVIEW integration tools, the PI-64T(PC) offers both flexibility and performance for engineers and system integrators seeking a dependable digital input solution.
Product Name: TTL 64-Channel Digital Input Card
Model: PI-64T(PC)
Series: PI Series – Digital Input Interface Boards
Article Number: PI-64T(PC)
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control / Digital I/O Interface Boards
The CONTEC PI-64T(PC) is a 64-channel TTL-level digital input card designed for use in PC-based industrial control and monitoring systems. It provides high-density digital input capability for TTL-level signals, enabling direct connection to logic circuits, sensors, and control devices that operate at 5VDC logic levels. The board is part of CONTEC’s extensive PI-series of digital I/O interface products, which are available in multiple bus formats including PCI, ISA, CompactPCI, USB, and PC Card. The PI-64T(PC) model specifically targets TTL-level input applications requiring high channel counts, low power consumption, and reliable interrupt handling.
2. Key Features
- 64 Independent TTL-Level Input Channels: Supports 64 discrete digital input points for TTL (Transistor-Transistor Logic) signals, ideal for interfacing with logic circuits and low-voltage digital devices.
- Standard PC Bus Compatibility: Designed for PC/AT-compatible systems, compliant with ISA bus architecture.
- Multiple Interrupt Lines: Supports up to four interrupt lines selectable from IRQ 3–7, 9–12, 14, and 15, allowing flexible interrupt-driven input monitoring.
- Low Power Consumption: Operates at 5VDC with a maximum current draw of only 250mA, minimizing system power load.
- High-Density Connector: Equipped with a 96-pin D-type female connector for compact, high-channel-count wiring.
- Compact Form Factor: Board dimensions of 160mm × 122mm (6.3" × 4.8") allow installation in standard PC chassis.
- TTL-Level Input Compatibility: Accepts standard 5VDC TTL logic signals, enabling direct connection to digital logic circuits without additional level conversion.
- Stable and Reliable Operation: Designed for industrial environments with robust electrical characteristics and stable signal handling.
- Software Support: Compatible with CONTEC’s API-TOOL driver suite for Windows and Linux, and VI-DAQ library for LabVIEW integration.
- Flexible Integration: Can be used in conjunction with other CONTEC digital I/O boards for scalable system expansion.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Input Channels | 64 channels |
| Input Type | TTL-level digital input (non-isolated) |
| Input Signal Level | TTL logic (5VDC nominal) |
| Input Resistance | 10kΩ typical |
| Interrupt Capability | 4 interrupt lines selectable from IRQ 3–7, 9–12, 14, 15 |
| Response Time | Typical TTL response (<200nsec) |
| Internal Power Supply | 5VDC ±5% |
| Power Consumption | Max. 250mA @ 5VDC |
| Bus Interface | ISA AT bus (8/16-bit) |
| I/O Address Range | Any 8-byte or 16-byte boundary (configurable) |
| Connector Type | 96-pin D-type female connector |
| Dimensions | 160mm (L) × 122mm (H) |
| Weight | Approx. 150g |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -10°C to +60°C |
| Humidity | 10–90% RH (non-condensing) |
| Wiring Distance | Up to 50m (depending on signal quality and cable type) |
| Mounting | Internal PC expansion slot (ISA) |
| Maximum Input Current | TTL standard input current (approx. 1.6mA per channel) |
4. Functionality
The PI-64T(PC) functions as a high-density digital input interface for TTL-level signals. Each of the 64 input channels can detect logic-level changes (HIGH/LOW) from external devices such as switches, sensors, encoders, or logic circuits. The board translates these signals into digital data accessible by the host PC through the ISA bus.
Operation Principle:
- Each input channel receives a TTL-level signal (0–5VDC).
- The board’s internal circuitry detects the logic state and stores it in an input register.
- The host PC reads the input data via I/O port access.
- Interrupts can be configured to trigger on specific input changes, allowing event-driven data acquisition.
Use Cases and Applications:
- Industrial automation and process control systems.
- Machine status monitoring and event logging.
- Digital signal acquisition from sensors or switches.
- Laboratory instrumentation and test automation.
- Embedded control systems requiring multiple digital inputs.
- Educational and research environments for digital logic interfacing.
Compatibility:
- Compatible with PC/AT and ISA-bus-based industrial PCs.
- Works with CONTEC’s API-TOOL driver suite for Windows and Linux.
- Integrates with LabVIEW via CONTEC’s VI-DAQ library.
- Can be combined with other CONTEC digital I/O boards for mixed input/output configurations.
5. Components & Accessories
Included Items:
- PI-64T(PC) main board.
- User manual and installation guide.
- Driver software (API-TOOL for Windows/Linux, downloadable from CONTEC website).
Optional Accessories:
- Cables: PCB96P, PCB96PS, PCB96W, PCB96WS (96-pin half-pitch cables).
- Terminal Blocks: EPD-96, CM-64(PC)E, CCB-96 for easy field wiring.
- Connector Sets: PCA96P, PCA96PS for custom cable fabrication.
- Mounting Hardware: Standard ISA slot bracket and screws.
Connectors:
- 96-pin D-type female connector (half-pitch).
- Compatible with HONDA Tsushin Kogyo PCR-E96LMD or equivalent connectors.
6. Installation & Setup
System Requirements:
- IBM PC/AT-compatible computer with available ISA expansion slot.
- Operating system: Windows (API-TOOL supported versions) or Linux.
- +5VDC power supply from PC bus.
Installation Steps:
1. Power off the PC and remove the cover.
2. Insert the PI-64T(PC) card into an available ISA slot.
3. Secure the card with the bracket screw.
4. Connect the external wiring to the 96-pin connector using a compatible cable.
5. Configure the I/O address and interrupt settings via DIP switches or software.
6. Install the API-TOOL driver and verify device recognition.
7. Test input functionality using the provided utility or LabVIEW VI-DAQ interface.
Mounting Options:
- Standard ISA slot mounting inside PC chassis.
- Can be used in rack-mounted or industrial PC enclosures.
Configuration:
- I/O address and IRQ lines are selectable.
- Interrupts can be assigned to any of IRQ 3–7, 9–12, 14, or 15.
- Software configuration supported through API-TOOL utilities.
7. Performance & Capabilities
- Input Speed: TTL-level response time typically <200 nanoseconds.
- Interrupt Handling: Supports up to four simultaneous interrupt lines for event-driven input capture.
- Capacity: 64 independent input channels for high-density signal acquisition.
- Efficiency: Low power draw (250mA @ 5VDC) ensures minimal system load.
- Signal Integrity: TTL-level inputs ensure reliable logic detection with minimal noise susceptibility.
- Limitations: Non-isolated design; not suitable for high-voltage or noisy industrial environments without external isolation.
- Reliability: Designed for continuous operation in industrial and laboratory settings.
8. Standards & Compliance
- Bus Standard: ISA AT bus compliant.
- Electrical Standards: TTL logic level (5VDC) compliant.
- Environmental Compliance: Designed for industrial temperature and humidity ranges.
- Software Standards: Compatible with Windows Win32 API and Linux device driver frameworks.
- Safety & EMC: Meets general industrial electronic equipment standards (manufacturer’s internal compliance).
- Quality Assurance: Manufactured under CONTEC’s ISO-certified quality management system.
9. Additional Information
Warranty:
Standard CONTEC limited warranty (typically one year) covering defects in materials and workmanship under normal use.
Technical Support:
- Online documentation and driver downloads available at [www.contec.com](https://www.contec.com).
- Technical support via email and phone for installation and configuration assistance.
Maintenance:
- No periodic maintenance required.
- Keep connectors clean and free from dust.
- Avoid exposure to excessive vibration or moisture.
Software Updates:
- API-TOOL drivers and VI-DAQ libraries are periodically updated for compatibility with new operating systems.
- Updates available free of charge from CONTEC’s global portal.
Related Products:
- PI-32T(PC): 32-channel TTL input version.
- PIO-32/32T(PCI): 32 input / 32 output TTL-level PCI board.
- PI-64L(PCI)H: 64-channel opto-isolated input board (12–24VDC).
- PO-64L(PCI)H: 64-channel opto-isolated output board.
- PIO-64/64L(PCI): Combined 64 input / 64 output opto-isolated I/O board.
Manufacturer Information:
CONTEC Co., Ltd.
Industrial Automation and Measurement Division
Global Portal: [www.contec.com](https://www.contec.com)
Headquarters: Osaka, Japan
### Summary
The CONTEC PI-64T(PC) TTL 64-channel digital input card is a high-density, low-power, ISA-bus-compatible interface board designed for TTL-level signal acquisition in industrial and laboratory environments. With 64 independent input channels, selectable interrupt lines, and robust software support, it provides a reliable and efficient solution for digital signal monitoring and control. Its compact design, standard 96-pin connector, and compatibility with CONTEC’s accessory ecosystem make it ideal for integration into PC-based control systems where high channel count and TTL-level interfacing are required.
This board is particularly suited for applications such as automated testing, machine monitoring, and digital logic analysis, where precise and fast TTL-level input detection is essential. Supported by CONTEC’s cross-platform driver suite and LabVIEW integration tools, the PI-64T(PC) offers both flexibility and performance for engineers and system integrators seeking a dependable digital input solution.
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ContecCatalog2011-2012-en-H Digital IO.pdf
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