Comprehensive Product Summary: PIO-32/32B(PCI)H

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### 1. Product Overview

Product Name: PCI Bus Isolated 32/32 Channel Digital Input/Output Board (Positive Common)
Model Number: PIO-32/32B(PCI)H
Series: PCI Digital I/O Board Series
Article Number: PIO-32/32B(PCI)H
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control / Digital I/O Interface Boards

The PIO-32/32B(PCI)H is a high-performance, opto-isolated digital input/output (DIO) interface board designed for use with standard PCI bus systems. It provides 32 opto-isolated digital input channels and 32 opto-isolated open collector output channels, each supporting 12–24 VDC signal levels. The board integrates an on-board 12 VDC isolated power supply to drive the photocoupler circuits, eliminating the need for an external power source. It is engineered for industrial automation, process control, and machine interfacing applications requiring electrical isolation, noise immunity, and reliable digital signal handling.

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### 2. Key Features

- Opto-Isolated I/O:
Provides complete optical isolation between the PC’s internal logic and external I/O circuits, protecting the host system from electrical noise, surges, and ground potential differences.

- 32 Inputs / 32 Outputs:
Offers 64 total I/O points (32 input and 32 output channels) for flexible digital control and monitoring.

- On-Board 12 V Power Supply:
Integrated DC-DC converter supplies 12 VDC @ 240 mA to drive the input/output photocouplers, eliminating the need for an external power source.

- Positive Common Configuration:
Designed for positive common wiring, suitable for current sinking (negative logic) devices.

- High Noise Immunity:
Opto-coupler isolation (1 kVrms) ensures robust operation in electrically noisy industrial environments.

- Surge and Overcurrent Protection:
Output transistors include built-in protection circuits (Zener diode and current limiting) to prevent damage from voltage surges or overcurrent conditions.

- Software-Configurable Digital Filter:
Input digital filter and interrupt trigger edge (rising/falling) can be configured via software to suppress noise and contact chattering.

- Interrupt Functionality:
All 32 input signals can be used as interrupt sources; 32 interrupt lines are combined into one interrupt request (INTA#).

- Fast Response Time:
Typical response time within 200 µs ensures reliable high-speed digital signal processing.

- PCI Bus Compliance:
Fully compliant with 32-bit, 33 MHz PCI bus (5 V signaling). Plug-and-play configuration with automatic resource allocation.

- Comprehensive Software Support:
Includes free Windows and Linux drivers (API-TOOL) and LabVIEW VI-DAQ library for seamless integration into control and data acquisition systems.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Bus Interface | PCI Local Bus, 32-bit, 33 MHz, 5 V signaling |
| Input Channels | 32 opto-isolated inputs |
| Output Channels | 32 opto-isolated open collector outputs |
| Input Signal Type | Opto-isolated (for high sink current output, negative logic) |
| Input Voltage Range | 12 – 24 VDC (±10%) |
| Input Resistance | 4.7 kΩ (typical) |
| Output Type | Opto-isolated open collector (current sinking type) |
| Output Rating | 35 VDC max, 100 mA max per channel, 2 A max per common |
| Isolation Voltage | 1 kVrms (I/O to logic), 350 Vrms (with on-board 12 V supply) |
| Response Time | ≤ 200 µs |
| Internal Power Supply | On-board 12 VDC @ 240 mA (isolated) |
| External Power Requirement | +5 VDC from PCI bus (300 mA external, 1300 mA on-board) |
| Common Configuration | Positive common |
| Wiring Distance | Up to 50 m (depending on cable and environment) |
| I/O Address Allocation | Any 32-byte boundary (automatic by PCI PnP) |
| Dimensions (L × H) | 176.41 mm × 106.68 mm (PCI short-size board) |
| Connector Type | 96-pin half-pitch female D-type (PCR-E96LMD [Honda Tsushin Kogyo] or equivalent) |
| Isolation Method | Opto-coupler isolation between I/O and logic circuits |
| Operating Temperature | 0 – 50 °C |
| Storage Temperature | –10 – 60 °C |
| Humidity | 10 – 90 % RH (non-condensing) |
| Weight | Approx. 150 g |
| Mounting | Standard PCI slot (one slot required) |

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### 4. Functionality

The PIO-32/32B(PCI)H functions as a digital interface between a host PC and external control devices such as sensors, switches, relays, and actuators. Each input channel detects ON/OFF states of external DC signals (12–24 VDC), while each output channel drives external loads through opto-isolated open collector transistors.

Operation Principle:
- Input Section:
External DC signals activate opto-couplers, converting electrical signals into optical signals, which are then converted back to logic levels for the PCI bus interface. The digital filter suppresses transient noise and contact bounce.
- Output Section:
Logic-level signals from the PC control opto-couplers that drive open collector transistors, switching external loads such as relays, lamps, or solenoids. Built-in surge protection ensures safe operation.

Typical Applications:
- Industrial automation and process control
- Machine tool and robot I/O interfacing
- PLC signal monitoring and control
- Production line data acquisition
- Equipment interlocking and safety systems
- Laboratory instrumentation and test automation

Compatibility:
- Compatible with Windows (API-TOOL for Win32), Linux (API-TOOL for Linux), and LabVIEW (VI-DAQ).
- Supports standard PCI slots in desktop and industrial PCs.

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### 5. Components & Accessories

Included Items:
- PIO-32/32B(PCI)H board
- Standard PCI bracket
- Driver and utility software (downloadable)
- Documentation (user manual, installation guide)

Optional Accessories:
- Cables:
- PCB96P / PCB96PS (96-pin half-pitch flat/shielded cables, 1.5 m – 5 m)
- PCB96W / PCB96WS (96-pin to dual 37-pin D-sub converter cables)
- PCB100/96PS (100-pin to 96-pin converter cable for compatibility with other Contec boards)
- Terminal Blocks:
- EPD-96 (DIN-rail mount terminal block, 96 ch)
- DTP-64(PC) (screw-type terminal board, 64 ch)
- CM-64(PC)E (signal monitor and dummy signal generator tool)
- Connector Converter:
- CCB-96 (96-pin half-pitch to dual 37-pin D-sub converter board)
- Connectors:
- CN5-H96F (96-pin half-pitch female connector, 5 pcs set)
- DIN Rail Adapter:
- DIN-ADP1 (for mounting terminal units on DIN rails)

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### 6. Installation & Setup

System Requirements:
- IBM PC/AT compatible computer with available PCI slot (32-bit, 33 MHz, 5 V)
- Operating system: Windows 10/11, Windows Server, or Linux (kernel 2.6 or later)
- Minimum 5 VDC @ 1.3 A available from PCI bus

Installation Steps:
1. Power off the PC and insert the board into an available PCI slot.
2. Secure the board using the supplied bracket.
3. Connect external devices via the 96-pin half-pitch connector using appropriate cables.
4. Power on the PC; the board will be automatically recognized by the PCI Plug-and-Play system.
5. Install the API-TOOL driver software and verify operation using the provided diagnostic utility.

Configuration:
- I/O addresses and interrupts are automatically assigned by the PCI BIOS.
- Input filter time constants and interrupt trigger edges are configurable via software.
- No manual jumper settings are required.

Mounting Options:
- Standard PCI slot mounting in desktop or industrial chassis.
- Optional DIN-rail terminal units for field wiring.

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### 7. Performance & Capabilities

| Parameter | Performance |
|----------------|----------------|
| Input Response Time | ≤ 200 µs |
| Output Switching Time | ≤ 200 µs |
| Maximum Output Current | 100 mA per channel, 2 A per common |
| Maximum Output Voltage | 35 VDC |
| Isolation Voltage | 1 kVrms (I/O to logic) |
| Noise Immunity | Excellent (opto-coupler isolation and digital filtering) |
| Internal Power Supply | 12 VDC @ 240 mA (on-board DC-DC converter) |
| Power Consumption | 5 VDC @ 300 mA (external), 5 VDC @ 1300 mA (on-board) |
| Wiring Distance | Up to 50 m |
| Interrupt Handling | 32 input signals combined into one INTA interrupt |
| Reliability | Industrial-grade components, surge and overcurrent protection |
| Limitations | DC-only operation; not suitable for AC signal interfacing |

The board’s opto-isolated design ensures stable operation even in environments with high electromagnetic interference. The integrated digital filter prevents false triggering due to noise or mechanical switch bounce. The on-board power supply simplifies wiring and enhances system reliability.

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### 8. Standards & Compliance

- Bus Standard: PCI Local Bus Specification Rev. 2.2 (32-bit, 33 MHz)
- Electrical Isolation: 1 kVrms (I/O–logic)
- Safety & EMC: Designed for compliance with CE and FCC Class A industrial standards
- RoHS Compliance: Conforms to EU RoHS Directive for hazardous substance restriction
- Environmental Standards:
- Operating temperature: 0 – 50 °C
- Humidity: 10 – 90 % RH (non-condensing)
- Quality Assurance: Manufactured under ISO 9001-certified quality management system

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### 9. Additional Information

Warranty:
Standard 1-year manufacturer’s warranty covering defects in materials and workmanship.

Technical Support:
- Free driver and software updates available from CONTEC’s global portal: [www.contec.com](https://www.contec.com)
- Technical documentation, sample code, and FAQs provided online.
- Email and phone support available through regional CONTEC offices.

Maintenance:
- Periodic inspection of connectors and cables recommended.
- Keep board and connectors free from dust and moisture.
- No user-serviceable internal components.

Software & Updates:
- API-TOOL for Windows:
Provides Win32 DLL-based API functions for easy integration into custom applications.
Supports Visual C++, Visual Basic, and other Windows development environments.
- API-TOOL for Linux:
Includes kernel module driver and shared library for C/C++ development.
- LabVIEW VI-DAQ Library:
Free VI library for National Instruments LabVIEW, enabling direct control of CONTEC boards using standard DAQ-style functions.
- Sample Programs:
Example source code for digital input/output, interrupt handling, and filtering functions.

Related Models:
- PIO-32/32L(PCI)H: Same as PIO-32/32B(PCI)H but requires external 12–24 VDC power supply.
- PIO-16/16B(PCI)H: 16 input / 16 output version with on-board 12 V supply.
- PIO-32/32F(PCI): High-speed version with 5 µs response time.
- PIO-32/32RL(PCI)H: Negative-common version for current sourcing outputs.

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### Summary

The CONTEC PIO-32/32B(PCI)H is a robust, opto-isolated 32 × 32 digital I/O PCI board engineered for industrial and laboratory automation systems. Its integrated 12 V power supply, high noise immunity, and surge-protected outputs make it ideal for interfacing with sensors, relays, and actuators in demanding environments. With comprehensive driver support for Windows, Linux, and LabVIEW, the board offers a flexible, software-configurable platform for digital control and monitoring applications. Its adherence to PCI standards, compact form factor (176 × 107 mm), and extensive accessory ecosystem ensure easy integration into both new and existing systems.