1. Product Overview

Product Name: cPCI Bus Isolated 64-Channel Digital Output Card (Positive Common)
Model: PO-64L(CPCI)
Series: CompactPCI Digital I/O Series
Article Number: PO-64L(CPCI)
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Automation / Measurement and Control – Digital I/O Interface Boards

The CONTEC PO-64L(CPCI) is a high-density, opto-isolated digital output card designed for CompactPCI (cPCI) bus systems. It provides 64 channels of isolated digital outputs with a positive common configuration, enabling reliable control of external devices in industrial and laboratory automation environments. The board is engineered for robust electrical isolation, high noise immunity, and stable operation in demanding control systems.

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2. Key Features

- 64 Opto-Isolated Digital Output Channels: Provides 64 independent output points for controlling external devices such as relays, solenoids, and indicators.
- Positive Common Configuration: Each group of 16 outputs shares a positive common line, simplifying wiring for devices requiring a shared positive voltage.
- High Output Capacity: Supports up to 35 VDC output voltage and 150 mA per channel, with a maximum of 2 A per common group.
- Optical Isolation: 1 kVrms isolation between the PC bus and external I/O circuits prevents ground loops and protects the host system from electrical noise and surges.
- CompactPCI Bus Interface: Fully compliant with the CompactPCI (cPCI) standard, ensuring compatibility with industrial-grade embedded systems and rack-mounted controllers.
- High Reliability and Noise Immunity: Opto-coupler isolation and robust circuit design ensure stable operation in electrically noisy environments.
- Standard 96-Pin Half-Pitch D-Type Connector: Provides a compact, high-density interface for external wiring.
- Compact Form Factor: Short-size cPCI board (176 mm × 107 mm) suitable for space-constrained industrial systems.
- Software Support: Compatible with CONTEC’s API-PAC(W32) and API-TOOLS for Windows and Linux, enabling easy integration into custom applications.
- Wide Accessory Support: Compatible with CONTEC’s range of terminal blocks, shielded cables, and DIN-rail adapters for flexible installation.

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3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Bus Interface | CompactPCI (cPCI) 32-bit, 33 MHz |
| I/O Channels | 64 opto-isolated digital outputs |
| Logic Type | Negative logic (sinking type) with positive common |
| Output Voltage Range | 12–35 VDC |
| Maximum Output Current | 150 mA per channel |
| Maximum Current per Common | 2 A (shared among 16 channels) |
| Isolation Voltage | 1 kVrms (bus to I/O) |
| Output Type | Opto-isolated open collector (current sinking) |
| Response Time | 1 ms (typical) |
| Connector Type | 96-pin half-pitch D-type female (HONDA Tsushin Kogyo PCR-E96LMD or equivalent) |
| Dimensions (L × H) | 176 mm × 107 mm |
| Power Consumption | +5 VDC, approximately 300 mA |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +60°C |
| Humidity | 10–90% RH (non-condensing) |
| Insulation Resistance | 100 MΩ or more at 500 VDC |
| Weight | Approx. 200 g |
| Mounting | CompactPCI slot (occupies one slot) |
| Isolation Method | Photo-coupler isolation between PC and external circuits |
| Common Configuration | 16 channels per common (positive common) |

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4. Functionality

The PO-64L(CPCI) functions as a digital output interface between a CompactPCI-based control computer and external devices. Each output channel uses an opto-isolated open-collector transistor circuit that sinks current from the external load. The positive common configuration allows multiple outputs to share a single positive supply line, simplifying wiring in systems using DC loads such as relays or lamps.

Typical Use Cases:
- Industrial automation control systems
- Machine tool and process control
- PLC and relay output expansion
- Data acquisition and monitoring systems
- Test and measurement automation
- Factory equipment control and signal indication

Compatibility:
- Compatible with CompactPCI-compliant backplanes and industrial PCs.
- Works with CONTEC’s API-PAC(W32) and API-TOOLS for Windows/Linux for direct programming access.
- Supports integration with LabVIEW and MATLAB through VI-DAQ and ML-DAQ libraries.

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5. Components & Accessories

Included Items:
- PO-64L(CPCI) main board
- User manual and documentation
- Software driver package (API-PAC(W32), API-TOOLS for Windows/Linux)

Optional Accessories:
- Terminal Blocks:
- EPD-96 (DIN-rail mountable 96-pin terminal block)
- DTP-64(PC) (screw-type terminal unit for 64-channel I/O)
- Cables:
- PCB96PS-1.5 (1.5 m shielded cable, 96-pin half-pitch to 96-pin half-pitch)
- PCB96P-1.5 (1.5 m flat cable)
- PCA96PS-1.5 (1.5 m shielded cable with 96-wire pitch 1.27 mm)
- PCB100/96PS (100-pin to 96-pin converter cable)
- Connectors:
- CN5-H96F (96-pin half-pitch female connector, 5 pcs set)
- DIN Rail Adapter:
- DIN-ADP1 (for mounting terminal units on DIN rails)
- Monitoring Tools:
- CM-64(PC)E (signal emulator and monitor for 64-channel I/O boards)

These accessories simplify wiring, testing, and maintenance, ensuring reliable connections between the board and external devices.

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6. Installation & Setup

Requirements:
- CompactPCI-compliant system with an available slot
- +5 VDC power supply from the cPCI backplane
- External DC power source (12–35 VDC) for driving output loads

Installation Steps:
1. Power off the CompactPCI system before installation.
2. Insert the PO-64L(CPCI) board into an available cPCI slot and secure it with mounting screws.
3. Connect the external I/O wiring to the 96-pin connector using a compatible cable and terminal block.
4. Connect the external DC power supply to the positive common terminals.
5. Install the provided driver software and verify device recognition in the operating system.
6. Configure output channels using CONTEC’s API functions or control software.

Mounting Options:
- Standard CompactPCI rack installation
- DIN-rail mounting for terminal blocks using DIN-ADP1 adapter

Configuration:
- Software-controlled output operation via API-PAC(W32) or API-TOOLS
- Supports bit-level control and group-based output switching
- Diagnostic functions available through software for output verification

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7. Performance & Capabilities

- Output Drive Capability: Each channel can sink up to 150 mA at voltages up to 35 VDC, suitable for driving relays, solenoids, and indicator lamps.
- Group Current Limit: Each 16-channel group shares a 2 A maximum current limit to prevent overloading.
- Isolation Performance: 1 kVrms isolation ensures protection against transient surges and ground potential differences.
- Response Time: Typical switching response within 1 millisecond, adequate for most industrial control applications.
- Reliability: Opto-coupler isolation and robust PCB design minimize the risk of noise-induced malfunction.
- Load Protection: The open-collector design allows flexible load connection and external power supply selection.
- System Integration: Fully compatible with CONTEC’s digital I/O ecosystem, enabling synchronized operation with other I/O boards.

Limitations:
- Designed for DC loads only (not suitable for AC switching).
- Requires external power supply for output loads.
- Total current per common limited to 2 A to prevent overheating.

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8. Standards & Compliance

- Bus Standard: CompactPCI (PICMG 2.0 Rev. 3.0 compliant)
- Electrical Isolation: 1 kVrms between PC bus and external I/O circuits
- Safety & EMC: Designed to meet industrial EMC and safety standards for noise immunity and electrical isolation
- RoHS Compliance: Manufactured in accordance with RoHS environmental directives
- Quality Assurance: Produced under ISO 9001-certified quality management system
- Software Standards: Compatible with Windows and Linux operating systems; supports standard Win32 API and shared library interfaces

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9. Additional Information

Warranty:
- Standard 1-year manufacturer’s warranty covering defects in materials and workmanship.
- Extended warranty and maintenance contracts available through CONTEC service programs.

Technical Support:
- Comprehensive technical documentation and driver downloads available at [www.contec.com](https://www.contec.com).
- Free access to API libraries, sample code, and software utilities.
- Support for Windows (API-PAC(W32), API-TOOLS) and Linux (API-TOOLS for Linux).
- Integration libraries for LabVIEW (VI-DAQ) and MATLAB (ML-DAQ) available for download.

Maintenance:
- Periodic inspection of connectors and cables recommended.
- Ensure proper grounding and shielding to maintain isolation performance.
- Firmware and driver updates available online to ensure compatibility with new operating systems.

Software Environment:
- API-PAC(W32): Windows-based API library providing direct control of digital I/O functions via DLLs.
- API-TOOLS for Linux: Module-style device drivers and shared libraries for Linux environments.
- LabVIEW VI-DAQ: Virtual instrument library for National Instruments LabVIEW.
- MATLAB ML-DAQ: MATLAB-compatible library for data acquisition and control.

Support Ecosystem:
- Compatible with CONTEC’s full range of digital I/O, analog I/O, counter, and communication boards.
- Supported by CONTEC’s measurement and control software suite, including HYPER-LOGGER, FFT Analyzer, and Excel Scope for data logging and analysis.

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### Summary

The CONTEC PO-64L(CPCI) is a robust, high-density digital output interface card designed for CompactPCI-based industrial systems. With 64 opto-isolated output channels, positive common configuration, and 1 kVrms isolation, it provides reliable and noise-resistant control of external DC devices. Its 35 V/150 mA per channel output capability and 2 A per common group limit make it suitable for a wide range of automation and control applications.

The board’s compatibility with CONTEC’s extensive accessory lineup—terminal blocks, shielded cables, and DIN-rail adapters—ensures flexible installation and easy integration. Supported by comprehensive software tools for Windows and Linux, the PO-64L(CPCI) enables developers to implement precise, high-performance digital control in industrial PCs, test systems, and embedded automation platforms.

In essence, the PO-64L(CPCI) delivers industrial-grade reliability, electrical isolation, and software flexibility for demanding digital output applications in CompactPCI environments.