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PI-32L(PCI)H

Opto-isolated 32 channel digital input 12-44VDC PCI Board
  • Hersteller Contec
  • Kategorie: DIO Isolated PCI
  • The CONTEC PI‑32L(PCI)H is a PCI‑compliant digital input interface board designed to provide 32 opto‑isolated input channels for industrial and laboratory automation systems. It supports 12–24 V DC input levels, features full opto‑coupler isolation for noise immunity, and integrates interrupt and digital filtering capabilities. The board is compatible with both Windows and Linux environments and includes driver libraries and LabVIEW support for rapid application development.
- 32 Opto‑Isolated Digital Inputs:
Provides 32 channels of opto‑coupler isolated inputs compatible with current‑sink output devices. Each group of 16 channels shares a common positive terminal, allowing two independent external power domains.

- Wide Input Voltage Range:
Accepts 12 – 24 V DC (±10%) input signals, suitable for industrial sensors, switches, and PLC interfaces.

- High Noise Immunity:
Complete opto‑coupler bus isolation separates the PC system from field wiring, ensuring excellent noise performance and protection against ground loops.

- Interrupt Capability on All Inputs:
All 32 input channels can generate interrupt requests. Interrupts can be enabled or disabled per bit, and the triggering edge (rising or falling) is software‑selectable.

- Digital Input Filtering:
Built‑in digital filter prevents false triggering due to noise or contact chattering. Filter time constants are programmable via software (0 – 131.072 ms).

- Fast Response:
Typical input response time of 200 µs, enabling reliable detection of high‑speed digital events.

- Software Support:
Bundled with API‑PAC(W32) driver library supporting Windows and Linux. Includes diagnostic utilities and sample programs for Visual C++, Visual Basic, and gcc.

- LabVIEW Integration:
Supported by CONTEC’s DAQfast and VI‑DAQ libraries for National Instruments LabVIEW, enabling seamless data acquisition and control integration.

- Compact PCI Form Factor:
Short‑length PCI board (121.69 mm × 105.68 mm) with universal keying for both 3.3 V and 5 V PCI slots.

- Industrial‑Grade Compliance:
Certified to VCCI Class A, CE EMC Directive Class A, and RoHS Directive standards.

Ursprungsland: Japan

Zolltarifnummer: 8473 3020 000

Comprehensive Product Summary – CONTEC PI‑32L(PCI)H Opto‑Isolated 32‑Channel Digital Input PCI Board




### 1. Product Overview

Product Name: Opto‑Isolated 32‑Channel Digital Input PCI Board
Model: PI‑32L(PCI)H
Series: PCI Digital I/O Interface Boards
Article Number: PI‑32L(PCI)H
Manufacturer: CONTEC CO., LTD. (Osaka, Japan)
Product Category: Industrial I/O Interface Hardware for PC‑based Control and Data Acquisition
Release Version: Ver. 1.01 (May 2018)

The CONTEC PI‑32L(PCI)H is a PCI‑compliant digital input interface board designed to provide 32 opto‑isolated input channels for industrial and laboratory automation systems. It supports 12–24 V DC input levels, features full opto‑coupler isolation for noise immunity, and integrates interrupt and digital filtering capabilities. The board is compatible with both Windows and Linux environments and includes driver libraries and LabVIEW support for rapid application development.




### 2. Key Features

- 32 Opto‑Isolated Digital Inputs:
Provides 32 channels of opto‑coupler isolated inputs compatible with current‑sink output devices. Each group of 16 channels shares a common positive terminal, allowing two independent external power domains.

- Wide Input Voltage Range:
Accepts 12 – 24 V DC (±10%) input signals, suitable for industrial sensors, switches, and PLC interfaces.

- High Noise Immunity:
Complete opto‑coupler bus isolation separates the PC system from field wiring, ensuring excellent noise performance and protection against ground loops.

- Interrupt Capability on All Inputs:
All 32 input channels can generate interrupt requests. Interrupts can be enabled or disabled per bit, and the triggering edge (rising or falling) is software‑selectable.

- Digital Input Filtering:
Built‑in digital filter prevents false triggering due to noise or contact chattering. Filter time constants are programmable via software (0 – 131.072 ms).

- Fast Response:
Typical input response time of 200 µs, enabling reliable detection of high‑speed digital events.

- Software Support:
Bundled with API‑PAC(W32) driver library supporting Windows and Linux. Includes diagnostic utilities and sample programs for Visual C++, Visual Basic, and gcc.

- LabVIEW Integration:
Supported by CONTEC’s DAQfast and VI‑DAQ libraries for National Instruments LabVIEW, enabling seamless data acquisition and control integration.

- Compact PCI Form Factor:
Short‑length PCI board (121.69 mm × 105.68 mm) with universal keying for both 3.3 V and 5 V PCI slots.

- Industrial‑Grade Compliance:
Certified to VCCI Class A, CE EMC Directive Class A, and RoHS Directive standards.




### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Input Type | Opto‑coupler isolated input (compatible with current‑sink output, negative logic) |
| Number of Channels | 32 channels (all available for interrupts) |
| Common Configuration | One positive common per 16 channels (two groups total) |
| Input Resistance | 4.7 kΩ |
| Input ON Current | ≥ 2.0 mA |
| Input OFF Current | ≤ 0.16 mA |
| Input Voltage Range | 12 – 24 V DC (±10%) |
| Response Time | ≤ 200 µs |
| Interrupt Output | 32 inputs combined into one INTA interrupt line |
| Interrupt Edge Selection | Rising or falling edge (software‑selectable) |
| Digital Filter Range | 0 – 131.072 ms (programmable, 21 steps) |
| Dielectric Strength | 1000 Vrms between bus and I/O circuits |
| External Power Supply | 12 – 24 V DC (±10%) for input circuits |
| Power Consumption | 5 V DC 200 mA (max) from PCI bus |
| Operating Temperature | 0 – 50 °C |
| Operating Humidity | 10 – 90 % RH (non‑condensing) |
| Signal Cable Length | Up to ≈ 50 m (depending on wiring environment) |
| PCI Bus Specification | 33‑bit, 33 MHz, universal keying (supports 3.3 V and 5 V slots) |
| Dimensions (L × H) | 121.69 mm × 105.68 mm |
| Weight | Approx. 130 g |
| Standards Compliance | VCCI Class A, CE Marking (EMC Class A), RoHS Directive |




### 4. Functionality

Operating Principle:
Each input channel is isolated through an opto‑coupler, allowing the board to detect ON/OFF states of external current‑driven devices such as switches, sensors, or transistor outputs. The board interprets current flow as a digital “1” (ON) and absence of current as “0” (OFF). Negative logic is used, meaning logical 0 corresponds to a high input level.

Interrupt Handling:
All 32 inputs can act as interrupt sources. The board consolidates these into a single PCI interrupt line (INTA). Software can enable or disable interrupts per bit and select the triggering edge. Interrupt status bits identify which input caused the event.

Digital Filtering:
A programmable digital filter checks signal stability over a defined time window before recognizing a state change. This eliminates false transitions caused by noise or mechanical contact bounce.

Use Cases and Applications:
- Industrial automation and machine control systems
- Data acquisition and monitoring of sensors or switches
- PLC and relay interface expansion for PCs
- Laboratory instrumentation and test automation
- Event logging and digital signal recording under Windows or Linux
- LabVIEW‑based control and measurement systems

Compatibility:
- Operating Systems: Windows (32/64‑bit) and Linux distributions supported by API‑PAC(W32)
- Development Environments: Visual C++, Visual Basic, gcc, LabVIEW
- Hardware Interface: Standard PCI bus (not PCI Express)




### 5. Components & Accessories

Included in Package:
1. PI‑32L(PCI)H Board – 1 unit
2. First Step Guide – Quick start manual
3. API‑PAC(W32) Disk – Contains Windows/Linux drivers, user’s guide, and sample programs
4. Warranty Certificate – 3‑year limited warranty documentation
5. Serial Number Label – For product registration and support

Optional Cables:
- Flat Cables (37‑pin D‑type connectors on both ends):
PCB37P‑1.5 (1.5 m), PCB37P‑3 (3 m), PCB37P‑5 (5 m)
- Shielded Cables (37‑pin D‑type connectors):
PCB37PS‑0.5P (0.5 m), PCB37PS‑1.5P (1.5 m), PCB37PS‑3P (3 m), PCB37PS‑5P (5 m)
- Single‑ended Flat Cables:
PCA37P‑1.5 (1.5 m), PCA37P‑3 (3 m), PCA37P‑5 (5 m)
- Single‑ended Shielded Cables:
PCA37PS‑0.5P (0.5 m), PCA37PS‑1.5P (1.5 m), PCA37PS‑3P (3 m), PCA37PS‑5P (5 m)

Optional Terminal Boards and Accessories:
- EPD‑37A: Screw terminal (M3 × 37 P, spring‑up type)
- EPD‑37: Screw terminal (M3.5 × 37 P)
- DTP‑3A: General‑purpose terminal (M3 × 37 P)
- DTP‑4C: Screw terminal (M2.5 × 37 P)
- CM‑32L: 32‑bit signal monitor for digital I/O

(*Note: Optional cables such as PCB37P or PCB37PS are required to connect terminal boards.*)




### 6. Installation & Setup

System Requirements:
- Available PCI slot (33 MHz, 32‑bit, +5 V supply required)
- PC capable of supplying ≥ 200 mA at +5 V to the PCI bus
- Supported OS (Windows or Linux) with administrative privileges for driver installation

Installation Steps:
1. Software Installation:
Install the API‑PAC(W32) driver package before inserting the board. The installer provides both Windows and Linux drivers and diagnostic tools.
2. Hardware Configuration:
Set the Board ID (rotary switch SW1) if multiple boards are installed (0 – Fh). Default = 0.
3. Board Installation:
Power off the PC, insert the board into an available PCI slot, and secure it with a screw.
4. Driver Initialization:
Upon reboot, the OS detects the board automatically. Configure the device name in Device Manager (Windows) or via the configuration script (Linux).
5. Verification:
Use the bundled Diagnosis Program to test input functionality and interrupt operation.

Mounting Notes:
- Do not insert or remove the board while the PC is powered.
- Avoid touching the gold‑plated PCI edge connector.
- Ensure adequate airflow and avoid corrosive or dusty environments.




### 7. Performance & Capabilities

- Input Response: ≤ 200 µs per channel
- Interrupt Latency: Determined by system OS and driver; hardware supports single‑level interrupt handling
- Digital Filter Timing: 0 – 131.072 ms (21 steps, software‑selectable)
- Maximum Board Count: Up to 16 boards per system (unique Board ID required)
- Signal Extension Distance: Approx. 50 m (max), depending on cable and environment
- Noise Immunity: 1000 Vrms isolation between PC bus and I/O circuits
- Power Efficiency: 1 W typical consumption from PCI +5 V supply
- Limitations:
- Requires +5 V PCI bus (not compatible with +3.3 V‑only systems)
- No onboard power generation for external circuits (external 12–24 V DC required)
- PCI (not PCIe) interface




### 8. Standards & Compliance

- Electrical Safety & EMC:
- VCCI Class A (Information Technology Equipment)
- CE Marking – EMC Directive Class A
- RoHS Directive – Restriction of Hazardous Substances

- Bus Interface Standard:
- PCI Local Bus Specification Rev. 2.2 (33 MHz, 32‑bit)
- Universal keying for 3.3 V and 5 V slots

- Environmental Conditions:
- Operating Temperature: 0 – 50 °C
- Storage Temperature: Room temperature, dry environment
- Humidity: 10 – 90 % RH (non‑condensing)
- No corrosive gases or excessive dust




### 9. Additional Information

Warranty:
Limited three‑year warranty from the date of purchase, covering defects in materials and workmanship. Excludes physical damage, misuse, or modification. Repairs require an RMA (Return Merchandise Authorization) number.

Technical Support:
- Website: [https://www.contec.com/](https://www.contec.com/)
Provides driver updates, manuals, sample programs, and LabVIEW libraries.
- Support Tools: Diagnostic utilities and API Help files (API‑TOOL(WDM) HELP).
- Sample Programs: Included for Windows (API‑DIO(WDM), API‑DIO(98/PC)) and Linux (API‑DIO(LNX)).

Maintenance:
- Periodically inspect connectors and cables for dust or corrosion.
- Clean PCI contacts with industrial alcohol if touched.
- Store in anti‑static packaging when not in use.
- Dispose of according to local electronic waste regulations.

Software Updates:
Driver and library updates are available free of charge from CONTEC’s website. Updated versions may include new OS support and additional sample code.

Safety Precautions:
- Do not operate in explosive or corrosive atmospheres.
- Ensure PC power is off before installation or removal.
- Use ferrite cores on I/O cables in noisy environments.
- Avoid mechanical shock or bending of the board.




### Summary

The CONTEC PI‑32L(PCI)H is a robust, high‑performance digital input board engineered for industrial and laboratory automation. With 32 opto‑isolated channels, full interrupt capability, and programmable digital filtering, it provides reliable signal acquisition in electrically noisy environments. Its universal PCI interface, cross‑platform driver support, and LabVIEW integration make it ideal for developers building custom data acquisition, monitoring, or control systems. Compact dimensions, industrial certifications, and a three‑year warranty further enhance its suitability for long‑term deployment in demanding applications.

Keine Manuals/Kataloge verfügbar.

  • DTP-3C - General purpose screw terminal panel, 2*22 large screw
  • DTP-4C - General purpose M2.5 screw terminal panel, 4*10 screw blocks
  • EPD-37A - DIN-rail mountable unit with DB-37f