LOOKING FOR THE RIGHT
INDUSTRIAL SOLUTION?
Discover embedded, communication and automation solutions tailored to your application.
- 48 Bi-Directional TTL Channels:
Provides 48 channels configurable as digital inputs or outputs, supporting flexible I/O mapping for various control and monitoring tasks.
- 8255 Mode 0 Compatibility:
Fully compatible with the Intel 8255 PPI Mode 0 interface, ensuring straightforward integration with legacy and modern control systems.
- High-Speed TTL-Level Operation:
Non-isolated TTL-level I/O enables rapid signal response suitable for time-critical digital control applications.
- Interrupt Support:
Supports up to four interrupt request lines (IRQ 3–7, 9–12, 14, 15), allowing event-driven processing and efficient CPU utilization.
- Dual 50-Pin Connectors:
Equipped with two 50-pin headers for external signal interfacing, compatible with CONTEC’s standard cable and terminal block accessories.
- Compact ISA Form Factor:
Designed for standard ISA slots, with a board size of 160 mm × 122 mm, suitable for industrial PCs and embedded systems.
- Flexible I/O Drive Capability:
Output circuits support both source and sink current modes, enabling direct interfacing with a wide range of TTL-compatible devices.
- Software Support:
Compatible with CONTEC’s API-PAC(W32) driver library for Windows and Linux, providing easy integration into custom applications and third-party environments such as LabVIEW.
Provides 48 channels configurable as digital inputs or outputs, supporting flexible I/O mapping for various control and monitoring tasks.
- 8255 Mode 0 Compatibility:
Fully compatible with the Intel 8255 PPI Mode 0 interface, ensuring straightforward integration with legacy and modern control systems.
- High-Speed TTL-Level Operation:
Non-isolated TTL-level I/O enables rapid signal response suitable for time-critical digital control applications.
- Interrupt Support:
Supports up to four interrupt request lines (IRQ 3–7, 9–12, 14, 15), allowing event-driven processing and efficient CPU utilization.
- Dual 50-Pin Connectors:
Equipped with two 50-pin headers for external signal interfacing, compatible with CONTEC’s standard cable and terminal block accessories.
- Compact ISA Form Factor:
Designed for standard ISA slots, with a board size of 160 mm × 122 mm, suitable for industrial PCs and embedded systems.
- Flexible I/O Drive Capability:
Output circuits support both source and sink current modes, enabling direct interfacing with a wide range of TTL-compatible devices.
- Software Support:
Compatible with CONTEC’s API-PAC(W32) driver library for Windows and Linux, providing easy integration into custom applications and third-party environments such as LabVIEW.
Comprehensive Product Summary – PIO-48D(PC) ISA TTL Bi-Directional DIO 48 Channel Card
### 1. Product Overview
Product Name: PIO-48D(PC)
Model Number: PIO-48D(PC)
Series: Digital I/O Interface Boards – ISA Bus Series
Article Number: PIO-48D(PC)
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control – Digital Input/Output Interface Card
Bus Type: ISA (Industry Standard Architecture)
Product Description:
The CONTEC PIO-48D(PC) is a 48-channel TTL-level bi-directional digital input/output (DIO) interface card designed for use with ISA bus systems. It provides high-speed, non-isolated digital I/O functionality compatible with the Intel 8255 PPI (Programmable Peripheral Interface) Mode 0 standard. The board is engineered for industrial and laboratory automation applications requiring reliable, low-latency digital signal control and monitoring.
### 2. Key Features
- 48 Bi-Directional TTL Channels:
Provides 48 channels configurable as digital inputs or outputs, supporting flexible I/O mapping for various control and monitoring tasks.
- 8255 Mode 0 Compatibility:
Fully compatible with the Intel 8255 PPI Mode 0 interface, ensuring straightforward integration with legacy and modern control systems.
- High-Speed TTL-Level Operation:
Non-isolated TTL-level I/O enables rapid signal response suitable for time-critical digital control applications.
- Interrupt Support:
Supports up to four interrupt request lines (IRQ 3–7, 9–12, 14, 15), allowing event-driven processing and efficient CPU utilization.
- Dual 50-Pin Connectors:
Equipped with two 50-pin headers for external signal interfacing, compatible with CONTEC’s standard cable and terminal block accessories.
- Compact ISA Form Factor:
Designed for standard ISA slots, with a board size of 160 mm × 122 mm, suitable for industrial PCs and embedded systems.
- Flexible I/O Drive Capability:
Output circuits support both source and sink current modes, enabling direct interfacing with a wide range of TTL-compatible devices.
- Software Support:
Compatible with CONTEC’s API-PAC(W32) driver library for Windows and Linux, providing easy integration into custom applications and third-party environments such as LabVIEW.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Bus Interface | ISA (AT Bus) |
| I/O Channels | 48 bi-directional digital I/O |
| I/O Type | TTL-level, non-isolated |
| Input Resistance | 10 kΩ (pull-up) |
| Input Voltage (Logic 1) | 2.4 V min |
| Input Voltage (Logic 0) | 0.4 V max |
| Output Voltage (Source Mode) | 2.4 V / -3 mA |
| Output Voltage (Sink Mode) | 0.4 V / 12 mA |
| Output Current (Source) | -15 mA (max) |
| Output Current (Sink) | 24 mA (max) |
| Response Time | 200 ns (typical) |
| Interrupt Lines | 4 selectable IRQs (3–7, 9–12, 14, 15) |
| Connectors | 2 × 50-pin header connectors |
| Dimensions | 160 mm (L) × 122 mm (H) |
| Power Supply | +5 VDC (from ISA bus) |
| Power Consumption | Approx. 100–200 mA |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -10°C to +60°C |
| Humidity | 10–90% RH (non-condensing) |
| Weight | Approx. 200 g |
| Mounting | ISA slot installation |
| Isolation | Non-isolated (direct TTL interface) |
### 4. Functionality
Operating Principle:
The PIO-48D(PC) functions as a digital interface between a host computer and external devices. Each of the 48 channels can be configured as input or output under software control. The board’s circuitry directly interfaces with TTL-level signals, allowing high-speed data transfer and control without opto-isolation delays.
Use Cases and Applications:
- Industrial automation and process control
- Machine status monitoring and control
- Laboratory instrumentation and data acquisition
- Production line testing and inspection systems
- Embedded control in legacy ISA-based systems
- TTL-level signal interfacing for robotics and motion control
Compatibility:
- Compatible with standard ISA bus PCs and industrial computers.
- Software-compatible with Intel 8255 PPI Mode 0 devices.
- Works with CONTEC’s API-PAC(W32) and API-TOOL driver libraries for Windows and Linux.
- Supports integration with LabVIEW via VI-DAQ library.
### 5. Components & Accessories
Included Items:
- PIO-48D(PC) main board
- User manual and setup guide
- Driver software (API-PAC(W32) / API-TOOL)
- Warranty documentation
Optional Accessories:
- Cables:
- PCB50P / PCB50PS (50-pin flat cable)
- PCA50J (50-pin connector set)
- Terminal Blocks:
- EPD-50A, EPD-96, CM-32(PC)E, CM-64(PC)E
- Adapters:
- CN5-H96F, CN5-D37M (for signal breakout)
- Mounting Hardware:
- ISA slot bracket and screws
Connectors:
Two 50-pin male headers (0.1-inch pitch) for external I/O connection. Each connector supports 24 I/O lines, providing a total of 48 channels.
### 6. Installation & Setup
System Requirements:
- IBM PC/AT or compatible system with available ISA slot
- Operating system: Windows (API-PAC supported versions) or Linux (API-TOOL supported distributions)
- +5 VDC power supply from ISA bus
Installation Steps:
1. Power off the host PC and remove the cover.
2. Insert the PIO-48D(PC) into an available ISA slot.
3. Secure the board using the mounting screw.
4. Connect external devices via the 50-pin connectors using CONTEC cables.
5. Configure I/O addresses and IRQ settings via software or jumpers (if applicable).
6. Install the driver software and verify operation using the provided test utility.
Configuration:
- I/O address can be assigned to any 8-byte boundary.
- IRQ lines selectable from 3–7, 9–12, 14, or 15.
- Software configuration through API-PAC or API-TOOL libraries.
Mounting Options:
- Standard ISA slot mounting inside industrial PC chassis.
- Compatible with rackmount and embedded ISA backplanes.
### 7. Performance & Capabilities
Speed and Response:
- High-speed TTL-level response with typical switching time of 200 ns.
- Suitable for real-time digital control and high-frequency signal monitoring.
Capacity:
- 48 total I/O points configurable as input or output.
- Supports simultaneous monitoring and control of multiple digital lines.
Efficiency:
- Direct TTL interface minimizes latency and power consumption.
- Non-isolated design ensures maximum signal throughput.
Limitations:
- Non-isolated I/O may require external protection circuits in noisy environments.
- Limited to TTL-level voltage ranges (0–5 VDC).
- Designed for ISA bus systems (not compatible with PCI or modern buses without adapters).
### 8. Standards & Compliance
Electrical Standards:
- TTL logic level compliance (5 VDC nominal)
- Compatible with Intel 8255 PPI Mode 0 standard
Bus Interface Standards:
- ISA (Industry Standard Architecture) AT Bus compliant
Regulatory Compliance:
- CE Marking (Electromagnetic Compatibility and Safety)
- RoHS compliant (Restriction of Hazardous Substances)
Industry Standards:
- Conforms to industrial automation and measurement interface standards
- Designed for long-term reliability in industrial environments
### 9. Additional Information
Warranty:
- Standard CONTEC limited warranty (typically 1 year) covering manufacturing defects and hardware failures under normal use.
Technical Support:
- Comprehensive technical documentation and driver downloads available from CONTEC’s global portal: [www.contec.com](https://www.contec.com)
- Email and phone support for integration and troubleshooting assistance.
- Firmware and driver updates provided free of charge.
Maintenance:
- Periodic inspection of connectors and cables recommended.
- Keep board free from dust and contaminants.
- Avoid exposure to excessive heat or vibration.
Software Updates:
- API-PAC(W32) and API-TOOL drivers regularly updated for compatibility with new operating systems.
- VI-DAQ library updates available for LabVIEW integration.
Related Products:
- PIO-48D(PCI): PCI bus version with similar functionality.
- PIO-48D(CB)H: CardBus version for notebook PCs.
- PIO-32/32T(PCI): 32-channel TTL-level I/O board.
- PIO-16/16T(PCI): Compact 16-channel TTL-level I/O board.
Manufacturer Information:
- CONTEC Co., Ltd.
Headquarters: Osaka, Japan
Specializes in industrial automation, measurement, and control hardware.
Product lines include digital I/O, analog I/O, communication interfaces, and embedded computing systems.
### Summary
The CONTEC PIO-48D(PC) is a robust, high-performance ISA bus digital I/O interface card offering 48 TTL-level bi-directional channels. Designed for industrial and laboratory automation, it provides 8255 Mode 0 compatibility, high-speed response, and flexible interrupt handling. Its non-isolated TTL interface ensures minimal latency, making it ideal for real-time control and monitoring applications. With comprehensive software support for Windows, Linux, and LabVIEW, and a wide range of optional accessories, the PIO-48D(PC) remains a reliable solution for legacy ISA-based systems requiring precise digital signal control.
Keywords for Technical Search Optimization:
PIO-48D(PC), CONTEC, ISA DIO card, TTL digital I/O, 48-channel DIO, 8255 compatible, industrial automation, digital input output board, non-isolated TTL interface, ISA bus interface, API-PAC driver, LabVIEW VI-DAQ, high-speed digital control, industrial PC I/O card, legacy ISA interface, 5V TTL logic, interrupt-driven I/O, CONTEC Japan.
### 1. Product Overview
Product Name: PIO-48D(PC)
Model Number: PIO-48D(PC)
Series: Digital I/O Interface Boards – ISA Bus Series
Article Number: PIO-48D(PC)
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control – Digital Input/Output Interface Card
Bus Type: ISA (Industry Standard Architecture)
Product Description:
The CONTEC PIO-48D(PC) is a 48-channel TTL-level bi-directional digital input/output (DIO) interface card designed for use with ISA bus systems. It provides high-speed, non-isolated digital I/O functionality compatible with the Intel 8255 PPI (Programmable Peripheral Interface) Mode 0 standard. The board is engineered for industrial and laboratory automation applications requiring reliable, low-latency digital signal control and monitoring.
### 2. Key Features
- 48 Bi-Directional TTL Channels:
Provides 48 channels configurable as digital inputs or outputs, supporting flexible I/O mapping for various control and monitoring tasks.
- 8255 Mode 0 Compatibility:
Fully compatible with the Intel 8255 PPI Mode 0 interface, ensuring straightforward integration with legacy and modern control systems.
- High-Speed TTL-Level Operation:
Non-isolated TTL-level I/O enables rapid signal response suitable for time-critical digital control applications.
- Interrupt Support:
Supports up to four interrupt request lines (IRQ 3–7, 9–12, 14, 15), allowing event-driven processing and efficient CPU utilization.
- Dual 50-Pin Connectors:
Equipped with two 50-pin headers for external signal interfacing, compatible with CONTEC’s standard cable and terminal block accessories.
- Compact ISA Form Factor:
Designed for standard ISA slots, with a board size of 160 mm × 122 mm, suitable for industrial PCs and embedded systems.
- Flexible I/O Drive Capability:
Output circuits support both source and sink current modes, enabling direct interfacing with a wide range of TTL-compatible devices.
- Software Support:
Compatible with CONTEC’s API-PAC(W32) driver library for Windows and Linux, providing easy integration into custom applications and third-party environments such as LabVIEW.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Bus Interface | ISA (AT Bus) |
| I/O Channels | 48 bi-directional digital I/O |
| I/O Type | TTL-level, non-isolated |
| Input Resistance | 10 kΩ (pull-up) |
| Input Voltage (Logic 1) | 2.4 V min |
| Input Voltage (Logic 0) | 0.4 V max |
| Output Voltage (Source Mode) | 2.4 V / -3 mA |
| Output Voltage (Sink Mode) | 0.4 V / 12 mA |
| Output Current (Source) | -15 mA (max) |
| Output Current (Sink) | 24 mA (max) |
| Response Time | 200 ns (typical) |
| Interrupt Lines | 4 selectable IRQs (3–7, 9–12, 14, 15) |
| Connectors | 2 × 50-pin header connectors |
| Dimensions | 160 mm (L) × 122 mm (H) |
| Power Supply | +5 VDC (from ISA bus) |
| Power Consumption | Approx. 100–200 mA |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -10°C to +60°C |
| Humidity | 10–90% RH (non-condensing) |
| Weight | Approx. 200 g |
| Mounting | ISA slot installation |
| Isolation | Non-isolated (direct TTL interface) |
### 4. Functionality
Operating Principle:
The PIO-48D(PC) functions as a digital interface between a host computer and external devices. Each of the 48 channels can be configured as input or output under software control. The board’s circuitry directly interfaces with TTL-level signals, allowing high-speed data transfer and control without opto-isolation delays.
Use Cases and Applications:
- Industrial automation and process control
- Machine status monitoring and control
- Laboratory instrumentation and data acquisition
- Production line testing and inspection systems
- Embedded control in legacy ISA-based systems
- TTL-level signal interfacing for robotics and motion control
Compatibility:
- Compatible with standard ISA bus PCs and industrial computers.
- Software-compatible with Intel 8255 PPI Mode 0 devices.
- Works with CONTEC’s API-PAC(W32) and API-TOOL driver libraries for Windows and Linux.
- Supports integration with LabVIEW via VI-DAQ library.
### 5. Components & Accessories
Included Items:
- PIO-48D(PC) main board
- User manual and setup guide
- Driver software (API-PAC(W32) / API-TOOL)
- Warranty documentation
Optional Accessories:
- Cables:
- PCB50P / PCB50PS (50-pin flat cable)
- PCA50J (50-pin connector set)
- Terminal Blocks:
- EPD-50A, EPD-96, CM-32(PC)E, CM-64(PC)E
- Adapters:
- CN5-H96F, CN5-D37M (for signal breakout)
- Mounting Hardware:
- ISA slot bracket and screws
Connectors:
Two 50-pin male headers (0.1-inch pitch) for external I/O connection. Each connector supports 24 I/O lines, providing a total of 48 channels.
### 6. Installation & Setup
System Requirements:
- IBM PC/AT or compatible system with available ISA slot
- Operating system: Windows (API-PAC supported versions) or Linux (API-TOOL supported distributions)
- +5 VDC power supply from ISA bus
Installation Steps:
1. Power off the host PC and remove the cover.
2. Insert the PIO-48D(PC) into an available ISA slot.
3. Secure the board using the mounting screw.
4. Connect external devices via the 50-pin connectors using CONTEC cables.
5. Configure I/O addresses and IRQ settings via software or jumpers (if applicable).
6. Install the driver software and verify operation using the provided test utility.
Configuration:
- I/O address can be assigned to any 8-byte boundary.
- IRQ lines selectable from 3–7, 9–12, 14, or 15.
- Software configuration through API-PAC or API-TOOL libraries.
Mounting Options:
- Standard ISA slot mounting inside industrial PC chassis.
- Compatible with rackmount and embedded ISA backplanes.
### 7. Performance & Capabilities
Speed and Response:
- High-speed TTL-level response with typical switching time of 200 ns.
- Suitable for real-time digital control and high-frequency signal monitoring.
Capacity:
- 48 total I/O points configurable as input or output.
- Supports simultaneous monitoring and control of multiple digital lines.
Efficiency:
- Direct TTL interface minimizes latency and power consumption.
- Non-isolated design ensures maximum signal throughput.
Limitations:
- Non-isolated I/O may require external protection circuits in noisy environments.
- Limited to TTL-level voltage ranges (0–5 VDC).
- Designed for ISA bus systems (not compatible with PCI or modern buses without adapters).
### 8. Standards & Compliance
Electrical Standards:
- TTL logic level compliance (5 VDC nominal)
- Compatible with Intel 8255 PPI Mode 0 standard
Bus Interface Standards:
- ISA (Industry Standard Architecture) AT Bus compliant
Regulatory Compliance:
- CE Marking (Electromagnetic Compatibility and Safety)
- RoHS compliant (Restriction of Hazardous Substances)
Industry Standards:
- Conforms to industrial automation and measurement interface standards
- Designed for long-term reliability in industrial environments
### 9. Additional Information
Warranty:
- Standard CONTEC limited warranty (typically 1 year) covering manufacturing defects and hardware failures under normal use.
Technical Support:
- Comprehensive technical documentation and driver downloads available from CONTEC’s global portal: [www.contec.com](https://www.contec.com)
- Email and phone support for integration and troubleshooting assistance.
- Firmware and driver updates provided free of charge.
Maintenance:
- Periodic inspection of connectors and cables recommended.
- Keep board free from dust and contaminants.
- Avoid exposure to excessive heat or vibration.
Software Updates:
- API-PAC(W32) and API-TOOL drivers regularly updated for compatibility with new operating systems.
- VI-DAQ library updates available for LabVIEW integration.
Related Products:
- PIO-48D(PCI): PCI bus version with similar functionality.
- PIO-48D(CB)H: CardBus version for notebook PCs.
- PIO-32/32T(PCI): 32-channel TTL-level I/O board.
- PIO-16/16T(PCI): Compact 16-channel TTL-level I/O board.
Manufacturer Information:
- CONTEC Co., Ltd.
Headquarters: Osaka, Japan
Specializes in industrial automation, measurement, and control hardware.
Product lines include digital I/O, analog I/O, communication interfaces, and embedded computing systems.
### Summary
The CONTEC PIO-48D(PC) is a robust, high-performance ISA bus digital I/O interface card offering 48 TTL-level bi-directional channels. Designed for industrial and laboratory automation, it provides 8255 Mode 0 compatibility, high-speed response, and flexible interrupt handling. Its non-isolated TTL interface ensures minimal latency, making it ideal for real-time control and monitoring applications. With comprehensive software support for Windows, Linux, and LabVIEW, and a wide range of optional accessories, the PIO-48D(PC) remains a reliable solution for legacy ISA-based systems requiring precise digital signal control.
Keywords for Technical Search Optimization:
PIO-48D(PC), CONTEC, ISA DIO card, TTL digital I/O, 48-channel DIO, 8255 compatible, industrial automation, digital input output board, non-isolated TTL interface, ISA bus interface, API-PAC driver, LabVIEW VI-DAQ, high-speed digital control, industrial PC I/O card, legacy ISA interface, 5V TTL logic, interrupt-driven I/O, CONTEC Japan.
-
ContecCatalog2011-2012-en-H Digital IO.pdf
PDF Catalog
No accessories available.
