Comprehensive Product Summary – PIO‑32/32RL(PCI)H Opto‑Isolated 32/32‑Channel Digital I/O PCI Card (Current Source)

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### 1. Product Overview

Product Name: Opto‑Isolated 32/32‑Channel Digital Input/Output PCI Card (Current Source)
Model: PIO‑32/32RL(PCI)H
Series: PIO‑RL PCI Series (Current Source Type)
Article Number: PIO‑32/32RL(PCI)H
Manufacturer: CONTEC CO., LTD.
Version: Ver.1.13

The CONTEC PIO‑32/32RL(PCI)H is a PCI‑bus‑compliant digital I/O interface board designed for industrial and laboratory automation systems requiring optically isolated, current‑source digital input and output channels. It provides 32 opto‑isolated input channels and 32 opto‑isolated output channels, supporting 12–24 V DC logic levels. The board is engineered for high noise immunity, flexible external power configurations, and robust protection features suitable for demanding control and monitoring applications.

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### 2. Key Features

- Opto‑Isolated I/O: Complete galvanic isolation between the PCI bus and I/O interface using optocouplers ensures high noise immunity and protection against ground loops.
- 32 × 32 Channels: Provides 32 input and 32 output channels, each independently opto‑isolated.
- Current Source Output Type: Outputs are current‑source type, capable of driving loads up to 35 V DC and 100 mA per channel.
- Flexible Power Domains: Each group of 16 channels shares a common external power supply, allowing up to four separate I/O power domains.
- Interrupt Capability: All 32 input channels can be configured as interrupt inputs. The trigger edge (rising or falling) is software‑selectable.
- Digital Filtering: Built‑in digital filter suppresses noise and contact chattering on input signals. Filter time is programmable (0–20 steps).
- Surge and Overcurrent Protection: Zener diodes protect output transistors from surge voltages; PolySwitch resettable fuses protect every eight output channels.
- High Reliability: 500 Vrms dielectric strength between bus and I/O circuits.
- Software Support: Includes Windows and Linux drivers, LabVIEW VI‑DAQ library, and sample programs for Visual Basic, Visual C++, C#, Delphi, and gcc.
- Diagnostic Tools: Bundled API‑PAC(W32) library includes diagnostic utilities and sample code for quick verification.
- Compact PCI Form Factor: Standard 32‑bit, 33 MHz PCI interface with universal keying (supports both 3.3 V and 5 V slots).

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Bus Interface | PCI (32‑bit, 33 MHz, universal keying) |
| Input Channels | 32 channels, opto‑isolated (current‑sink compatible, positive logic) |
| Output Channels | 32 channels, opto‑isolated current‑source type (positive logic) |
| Input Voltage Range | 12–24 V DC (±10 %) |
| Input Resistance | 4.7 kΩ |
| Input ON Current | ≥ 2.0 mA |
| Input OFF Current | ≤ 0.16 mA |
| Output Voltage (Max.) | 35 V DC |
| Output Current (Max.) | 100 mA per channel |
| Residual Voltage (ON) | ≤ 0.5 V @ ≤ 50 mA; ≤ 1.0 V @ ≤ 100 mA |
| Isolation Voltage | 500 Vrms between bus and I/O |
| External Power Supply | 12–24 V DC (±10 %) per 16‑channel group |
| Response Time | ≤ 200 µs (input/output) |
| Power Consumption | 5 V DC 200 mA (max.) from PCI slot |
| Operating Temperature | 0 – 50 °C |
| Operating Humidity | 10 – 90 % RH (non‑condensing) |
| Signal Extension Distance | Approx. 50 m (depending on wiring environment) |
| Dimensions (L × H) | 176.41 mm × 105.68 mm |
| Weight | Approx. 215 g |
| Connectors | 96‑pin half‑pitch D‑type female (HONDA PCR‑E96LMD) |
| Dielectric Strength | 500 Vrms |
| Certifications | CE, VCCI, RoHS compliant |

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### 4. Functionality

Operating Principle:
The PIO‑32/32RL(PCI)H interfaces digital control signals between a host PC and external devices. Optocouplers isolate the PCI bus from field wiring, converting logic levels to current‑driven signals. Inputs detect current‑sink outputs from external devices, while outputs source current to drive loads such as relays, LEDs, or PLC inputs.

Use Cases and Applications:
- Industrial automation and process control
- Machine I/O monitoring and control
- Data acquisition systems
- Laboratory instrumentation
- PLC or sensor interfacing
- Signal isolation and noise‑immune digital control

Compatibility:
- Operating Systems: Windows 7/Vista/XP/Server 2003/2000, Linux (Red Hat, TurboLinux, etc.)
- Programming Environments: Visual Basic, Visual C++, Visual C#, Delphi, C++ Builder, gcc
- LabVIEW Integration: Supported via VI‑DAQ library (free download).

Interrupt Handling:
All 32 input channels can generate interrupts through a single INTA line. Each channel’s interrupt can be enabled/disabled individually, and the trigger edge (rising/falling) is selectable.

Digital Filtering:
Programmable filter time (0–20 steps) suppresses transient noise. Filter time = 2ⁿ / (8 × 10⁶) seconds.

Data I/O Behavior:
- Input = “1” when current flows (ON), “0” when open (OFF).
- Output = “1” turns transistor ON (current flows to load), “0” turns OFF.
- All outputs reset to OFF on PC power‑up.

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### 5. Components & Accessories

Included Items (Standard Package):
- PIO‑32/32RL(PCI)H board × 1
- First Step Guide × 1
- Disk (API‑PAC(W32) driver library and User’s Guide) × 1
- Serial number label × 1
- Product Registration Card & Warranty Certificate × 1

Optional Accessories:

Terminal Panels:
- EPD‑96A (M3 × 96 P, spring‑up type)
- EPD‑96 (M3.5 × 96 P)
- DTP‑64(PC) Digital I/O 64 CH Panel
- EPD‑37A (M3 × 37 P, spring‑up type)
- EPD‑37 (M3.5 × 37 P)
- DTP‑3A / DTP‑4A General Purpose Terminals

Conversion Boards:
- CCB‑96 (96‑pin → 37‑pin × 2 conversion)

Cables:
- Shielded 96‑pin half‑pitch (mold type): PCB96PS‑0.5P (0.5 m), ‑1.5P (1.5 m), ‑3P (3 m), ‑5P (5 m)
- Flat 96‑pin: PCB96P‑1.5 (1.5 m), ‑3 (3 m), ‑5 (5 m)
- Shielded one‑end: PCA96PS‑0.5P to ‑5P
- Flat one‑end: PCA96P‑1.5 to ‑5
- Distribution (96 → 37 × 2): PCB96WS‑1.5P / ‑3P / ‑5P (shielded), PCB96W‑1.5 / ‑3 / ‑5 (flat)

Connectors:
- CN5‑H96F Half‑Pitch 96‑Pin Female Connector Set (5 pcs)

*Note: Some accessories require optional cables (PCB96P, PCB96PS, PCB96WS) for connection.*

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### 6. Installation & Setup

Hardware Installation Steps:
1. Software Installation: Install API‑PAC(W32) driver library before mounting the board.
2. Board ID Setting: Use rotary switch SW1 to assign unique ID (0–Fh) if multiple boards are installed.
3. Mounting: Power off PC, insert board into PCI slot (3.3 V or 5 V compatible), secure with screw.
4. Hardware Detection: Upon boot, Windows detects the board via Plug and Play.
5. Driver Initialization: Use API‑TOOL Configuration to register and name the device.
6. Verification: Run diagnostic program to test I/O and interrupt functions.

Connection Guidelines:
- Use external 12–24 V DC power supply for I/O circuits.
- Each 16‑channel group has a separate common terminal for power distribution.
- Input devices (switches, transistor outputs) must be current‑driven.
- Output devices (relays, LEDs) require external power and load resistors as appropriate.
- Connector type: HONDA PCR‑E96LMD (female on board); mating connector PCR‑E96FA.

Software Setup:
- Windows: Install API‑DIO(WDM) or API‑DIO(98/PC) drivers from API‑PAC(W32).
- Linux: Install API‑DIO(LNX) from CD (`/linux/dio/cdioXXX.tgz`), compile and load modules.
- LabVIEW: Download VI‑DAQ library from CONTEC website for integration.

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### 7. Performance & Capabilities

- Speed: Response time ≤ 200 µs for both input and output operations.
- Capacity: 64 total I/O channels (32 input + 32 output).
- Efficiency: Low power consumption (200 mA @ 5 V PCI bus).
- Noise Immunity: Optical isolation and digital filtering ensure stable operation in electrically noisy environments.
- Protection: 500 Vrms isolation, Zener surge protection, PolySwitch overcurrent limiting.
- Scalability: Up to 16 boards can be installed in a single system (master + 15 slaves).
- Limitations: Requires external 12–24 V DC supply for I/O; not compatible with PCI slots providing only 3.3 V power.

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### 8. Standards & Compliance

- Electrical Safety: 500 Vrms dielectric strength between bus and I/O circuits.
- Environmental Compliance: RoHS Directive compliant (lead‑free construction).
- Electromagnetic Compatibility: CE and VCCI certified for EMC standards.
- Bus Standard: PCI Local Bus Specification Rev. 2.2 (32‑bit, 33 MHz).
- Software Standards: Win32 API compliant driver libraries; Linux kernel module support.

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### 9. Additional Information

Warranty:
Limited three‑year warranty against defects in materials and workmanship from the date of purchase. Covers electronic circuitry only; excludes mechanical wear and damage from misuse or modification.

Support & Service:
- Websites: [https://www.contec.com](https://www.contec.com) (English) | [https://www.contec.co.jp](https://www.contec.co.jp) (Japanese) | [https://www.contec.com.cn](https://www.contec.com.cn) (Chinese)
- Downloads: Updated drivers, sample programs, and manuals available online.
- Technical Assistance: Contact local CONTEC office or authorized distributor for RMA and support.

Maintenance:
- Avoid exposure to corrosive gases or dust.
- Handle board by edges; do not touch gold contacts.
- Store in anti‑static bag at room temperature away from moisture and vibration.

Software Updates:
API‑PAC(W32) and API‑DIO libraries are periodically updated for new OS support and bug fixes. Latest versions can be downloaded from CONTEC’s support portal.

Disposal:
Dispose of the product in accordance with local electronic waste regulations.

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### Summary

The CONTEC PIO‑32/32RL(PCI)H is a robust, opto‑isolated, current‑source digital I/O PCI board offering 32 input and 32 output channels for 12–24 V DC systems. It combines industrial‑grade electrical isolation, programmable interrupt and filter functions, and comprehensive software support for Windows, Linux, and LabVIEW environments. With its 500 Vrms isolation, surge protection, and modular power grouping, the board is ideal for machine control, factory automation, and data acquisition applications requiring reliable and noise‑immune digital signal handling.