Comprehensive Product Summary – Support‑PAC(PC)302: DOS Device Driver MS‑C for ADI12‑8CL

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### 1. Product Overview

Product Name: Support‑PAC(PC)302
Article Number: Support‑PAC(PC)302
Model Description: DOS Device Driver MS‑C for ADI12‑8CL
Series: Support‑PAC Software Series
Manufacturer: CONTEC Co., Ltd.
Product Category: Industrial Automation Software – Device Driver Package
Website: [www.contec.com](http://www.contec.com)

The Support‑PAC(PC)302 is a DOS‑based device driver package designed specifically for CONTEC’s ADI12‑8CL analog/digital I/O board. It provides Microsoft‑C compatible driver functions that enable direct control and communication between DOS applications and CONTEC’s industrial I/O hardware. The package is part of CONTEC’s broader Support‑PAC and API‑PAC software ecosystem, which includes driver libraries, ActiveX components, and LabVIEW‑compliant interfaces for automation and measurement systems.

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### 2. Key Features

- DOS Device Driver for ADI12‑8CL: Provides low‑level hardware access and control for the ADI12‑8CL analog/digital I/O board under DOS environments using Microsoft‑C.
- Microsoft‑C Compatibility: Fully compatible with Microsoft‑C compiler environments, allowing developers to integrate hardware control functions directly into C‑based applications.
- Industrial‑Grade Reliability: Designed for industrial automation systems requiring stable, deterministic I/O operations under DOS.
- Uniform API Structure: Shares a consistent function structure with CONTEC’s API‑PAC(W32) and API‑TOOL libraries, simplifying migration to Windows‑based systems.
- Diagnostic and Configuration Utilities: Includes configuration and diagnostic programs to verify board installation, I/O address, IRQ settings, and operational status.
- Sample Programs: Provides example source code demonstrating function usage and board operation, improving development efficiency.
- Hardware Auto‑Detection: Automatically recognizes installed CONTEC boards (PCI, ISA, or PC Card) through configuration utilities.
- Comprehensive Board Support: Supports a wide range of CONTEC analog, digital, counter, motion control, and communication boards.
- Free Software Distribution: Available for download from CONTEC’s website, ensuring easy access to the latest versions and updates.

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### 3. Technical Specifications

Supported Hardware:
- Primary Target: ADI12‑8CL(PC)H analog/digital I/O board
- Additional Compatible Boards: ADI12‑16(PC), AD12‑16(PC)E, AD12‑8LT(PC), DA12‑8L(PC), DAI12‑8C(PC), and related ISA‑bus analog/digital boards.

Supported Bus Interfaces:
- ISA Bus (primary for DOS operation)
- PCI and PC Card (supported through related API‑PAC libraries)

Supported Operating Systems:
- DOS (MS‑DOS environment)
- Microsoft‑C compiler environment for DOS applications

Software Architecture:
- Device driver in DOS executable format
- Function library callable from Microsoft‑C
- Configuration and diagnostic utilities included

Dimensions and Weight:
- Software package (no physical dimensions; distributed electronically)
- Installation footprint: minimal, suitable for embedded or legacy DOS systems

Materials:
- Software only (no hardware components included)

Performance Metrics:
- Real‑time I/O access latency: dependent on DOS system clock and bus speed
- Supports up to 64 channels (depending on board configuration)
- Analog input/output sampling controlled by internal or external clock signals

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### 4. Functionality

Operational Overview:
Support‑PAC(PC)302 acts as a DOS‑level device driver enabling direct communication between the ADI12‑8CL board and user applications written in Microsoft‑C. It provides low‑level access to analog and digital I/O channels, allowing precise control of data acquisition, signal generation, and digital switching.

Use Cases and Applications:
- Industrial process monitoring and control under DOS
- Legacy automation systems requiring deterministic timing
- Embedded control systems using ISA‑bus I/O boards
- Test and measurement setups using ADI12‑8CL hardware
- Educational or research environments maintaining DOS‑based instrumentation

Compatibility:
- Fully compatible with CONTEC’s ADI12‑8CL(PC)H board
- Integrates with CONTEC’s API‑PAC(W32) and ACX‑PAC(W32)BP libraries for cross‑platform development
- Compatible with Microsoft‑C 6.0 and earlier DOS compilers
- Can coexist with other CONTEC Support‑PAC drivers for multi‑board systems

Functional Highlights:
- Analog input/output control from specified channels
- Digital input/output from specified ports or bits
- Interrupt‑driven event handling for sampling completion and error detection
- External trigger and clock synchronization
- Diagnostic reporting to text files for maintenance and verification

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### 5. Components & Accessories

Included Items:
- DOS Device Driver (binary and library files)
- Configuration Utility (CONFIG.EXE)
- Diagnostic Program (for board and driver verification)
- Sample Source Code (Microsoft‑C examples)
- Documentation (function reference, installation guide)

Optional Add‑Ons:
- API‑PAC(W32) for Windows migration
- ACX‑PAC(W32)BP ActiveX Component Base Package
- API‑GPLV(W32) GPIB Driver Software for LabVIEW
- VI‑DAQ LabVIEW VI library for analog/digital/counter modules

Connectors and Interfaces:
- Software interfaces via DOS interrupt calls and Microsoft‑C function linkage
- Hardware connection through ADI12‑8CL board’s I/O connectors (analog and digital terminals)

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### 6. Installation & Setup

System Requirements:
- IBM‑compatible PC with ISA bus slot
- Installed ADI12‑8CL(PC)H or compatible board
- DOS operating system (MS‑DOS 5.0 or later recommended)
- Microsoft‑C compiler environment

Installation Procedure:
1. Copy driver and configuration files to DOS system directory.
2. Run CONFIG.EXE to assign I/O addresses and IRQ levels.
3. Execute diagnostic utility to verify board detection and driver operation.
4. Include driver library in Microsoft‑C project and link during compilation.
5. Use provided sample programs as templates for custom application development.

Configuration Options:
- I/O address and IRQ conflict prevention via CONFIG.EXE
- Board auto‑detection for PCI/ISA/PC Card products
- Diagnostic report generation for troubleshooting
- Parameter setup for analog input sampling, digital I/O ports, and interrupt conditions

Mounting Options:
- Software‑only installation; hardware board must be physically installed in ISA slot.

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### 7. Performance & Capabilities

Speed and Capacity:
- Supports up to 64 analog/digital channels (depending on board)
- Analog input sampling controlled by internal or external clock
- Multiple interrupt conditions monitored simultaneously (sampling completion, buffer status, error detection)

Efficiency:
- Optimized for low‑overhead DOS execution
- Direct hardware access ensures minimal latency
- Event‑driven control allows background data collection

Limitations:
- DOS environment limits multitasking and memory access
- Not compatible with Windows NT/2000/XP without API‑PAC(W32) upgrade
- ActiveX controls unavailable under DOS
- Limited to ISA‑bus hardware (no PCI auto‑detection under DOS)

Reliability:
- Proven stability in industrial environments
- Diagnostic utilities ensure consistent operation
- Text‑based configuration simplifies maintenance in embedded systems

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### 8. Standards & Compliance

Industry Standards:
- IEEE‑488.2 (for GPIB‑related modules when used with API‑GPLV)
- Microsoft‑C compiler compatibility
- DOS interrupt and memory management standards
- ISA bus hardware addressing conventions

Regulatory Compliance:
- Designed for industrial automation use; conforms to CONTEC’s internal quality and reliability standards
- Software distributed under CONTEC’s licensing terms for industrial applications

Supported Development Environments:
- Microsoft Visual C/C++ 6.0, 5.0, 4.x, 2.0
- Microsoft Visual Basic 6.0, 5.0, 4.0 (for Windows migration)
- Borland C++ Builder 5.0, Delphi 5.0/4.0 (for related API‑PAC libraries)
- National Instruments LabVIEW 6i/5.1/5.0 (via API‑GPLV)

Supported Operating Systems (for related packages):
- DOS (Support‑PAC(PC)302)
- Windows 95/98/Me/2000/XP/NT (API‑PAC(W32), ACX‑PAC(W32)BP, API‑GPLV(W32))
- Linux (API‑AIO(LNX), API‑DIO(LNX), API‑GPIB(LNX), API‑CNT(LNX))

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### 9. Additional Information

Warranty & Support:
- Standard CONTEC software warranty (defect correction and update availability)
- Technical support available through CONTEC’s global portal
- Free software updates and driver downloads from [www.contec.com/apipac/](http://www.contec.com/apipac/)

Maintenance:
- Minimal maintenance required; configuration and diagnostic utilities ensure long‑term stability
- Regular updates available for related API‑PAC and ActiveX packages
- Diagnostic logs can be exported for preventive maintenance

Software Updates:
- Latest versions downloadable free of charge from CONTEC’s website
- Backward compatibility maintained across Support‑PAC and API‑PAC generations

Documentation & Resources:
- Function reference manual (DOS and Microsoft‑C)
- Sample program source code
- Configuration and diagnostic user guides
- Online developer resources via CONTEC’s API‑TOOL Developer’s Site

Integration with CONTEC Ecosystem:
- Seamless transition path from DOS to Windows via API‑PAC(W32)
- Compatible with CONTEC’s full range of I/O boards: analog, digital, counter, motion control, serial, and GPIB
- Supports integration with LabVIEW through API‑GPLV(W32) and VI‑DAQ libraries
- Unified API structure across all CONTEC driver families ensures consistent programming methodology

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### Summary

The Support‑PAC(PC)302 DOS Device Driver MS‑C for ADI12‑8CL is a specialized industrial software package developed by CONTEC Co., Ltd. for controlling the ADI12‑8CL analog/digital I/O board under DOS environments. It provides a robust, Microsoft‑C compatible driver interface that enables direct, low‑latency hardware access for data acquisition and control applications. The package includes configuration and diagnostic utilities, sample programs, and comprehensive documentation to support efficient development and reliable operation in industrial automation systems.

As part of CONTEC’s broader Support‑PAC and API‑PAC software ecosystem, Support‑PAC(PC)302 ensures long‑term compatibility and an upgrade path to modern Windows and Linux environments. Its combination of stability, simplicity, and industrial‑grade performance makes it an essential tool for maintaining and developing DOS‑based control systems using CONTEC hardware.