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- Dual-Port Serial Interface: Provides two independent serial communication ports configurable as RS-232, RS-422, or RS-485, enabling flexible integration with a wide range of serial devices.
- Surge and Isolation Protection:
- 3 kV galvanic isolation between ports and system bus ensures electrical separation and protection against ground loops.
- 6 kV surge protection safeguards connected equipment from transient voltage spikes and lightning-induced surges.
- ESD protection: 15 kV (air discharge) and 8 kV (contact discharge) per IEC 61000-4-2 standards.
- High-Speed Data Transmission: Supports baud rates up to 921.6 kBd, ensuring fast and stable communication for industrial automation, instrumentation, and control systems.
- Low-Profile PCIe Design: Compact form factor suitable for small chassis and embedded PCs; includes a low-profile bracket for easy installation in space-limited systems.
- Single Power Requirement: Operates solely from the 3.3 V DC power supplied by the PCI Express bus, eliminating the need for external power sources.
- Industrial Temperature Range: Designed for harsh environments with an operating temperature range of -40°C to +75°C, ensuring reliable performance in both cold and high-temperature conditions.
- High Buffer Capacity: Each port features a 128-byte FIFO buffer, reducing CPU load and improving data throughput efficiency.
- Universal Compatibility: Fully compliant with PCI Express specifications, ensuring compatibility with modern industrial PCs and servers.
- Robust Connector Interface: Utilizes a DB44 male D-sub connector for secure and durable connection to external serial devices.
- Surge and Isolation Protection:
- 3 kV galvanic isolation between ports and system bus ensures electrical separation and protection against ground loops.
- 6 kV surge protection safeguards connected equipment from transient voltage spikes and lightning-induced surges.
- ESD protection: 15 kV (air discharge) and 8 kV (contact discharge) per IEC 61000-4-2 standards.
- High-Speed Data Transmission: Supports baud rates up to 921.6 kBd, ensuring fast and stable communication for industrial automation, instrumentation, and control systems.
- Low-Profile PCIe Design: Compact form factor suitable for small chassis and embedded PCs; includes a low-profile bracket for easy installation in space-limited systems.
- Single Power Requirement: Operates solely from the 3.3 V DC power supplied by the PCI Express bus, eliminating the need for external power sources.
- Industrial Temperature Range: Designed for harsh environments with an operating temperature range of -40°C to +75°C, ensuring reliable performance in both cold and high-temperature conditions.
- High Buffer Capacity: Each port features a 128-byte FIFO buffer, reducing CPU load and improving data throughput efficiency.
- Universal Compatibility: Fully compliant with PCI Express specifications, ensuring compatibility with modern industrial PCs and servers.
- Robust Connector Interface: Utilizes a DB44 male D-sub connector for secure and durable connection to external serial devices.
1. Product Overview
Product Name: PCard-E3021L-SI-D5
Model / Series: E3021L-SI Series – Surge-Isolated PCI Express Serial Communication Card
Article Number: PCard-E3021L-SI-D5
Manufacturer: Rayon
The PCard-E3021L-SI-D5 is a high-performance, industrial-grade PCI Express (PCIe) communication interface card designed to provide reliable and isolated serial connectivity for demanding automation, control, and data acquisition environments. Developed by Rayon, this model belongs to the company’s E3021L-SI series of surge-isolated serial interface adapters. It offers dual-port serial communication supporting RS-232, RS-422, and RS-485 standards, with advanced protection features including 3 kV isolation, 6 kV surge protection, and ESD protection up to 15 kV (air) / 8 kV (contact). The card is engineered for low-profile PCIe slots, making it suitable for compact industrial PCs, embedded systems, and space-constrained enclosures.
2. Key Features
- Dual-Port Serial Interface: Provides two independent serial communication ports configurable as RS-232, RS-422, or RS-485, enabling flexible integration with a wide range of serial devices.
- Surge and Isolation Protection:
- 3 kV galvanic isolation between ports and system bus ensures electrical separation and protection against ground loops.
- 6 kV surge protection safeguards connected equipment from transient voltage spikes and lightning-induced surges.
- ESD protection: 15 kV (air discharge) and 8 kV (contact discharge) per IEC 61000-4-2 standards.
- High-Speed Data Transmission: Supports baud rates up to 921.6 kBd, ensuring fast and stable communication for industrial automation, instrumentation, and control systems.
- Low-Profile PCIe Design: Compact form factor suitable for small chassis and embedded PCs; includes a low-profile bracket for easy installation in space-limited systems.
- Single Power Requirement: Operates solely from the 3.3 V DC power supplied by the PCI Express bus, eliminating the need for external power sources.
- Industrial Temperature Range: Designed for harsh environments with an operating temperature range of -40°C to +75°C, ensuring reliable performance in both cold and high-temperature conditions.
- High Buffer Capacity: Each port features a 128-byte FIFO buffer, reducing CPU load and improving data throughput efficiency.
- Universal Compatibility: Fully compliant with PCI Express specifications, ensuring compatibility with modern industrial PCs and servers.
- Robust Connector Interface: Utilizes a DB44 male D-sub connector for secure and durable connection to external serial devices.
3. Technical Specifications
- Interface Type: PCI Express (PCIe)
- Bus Interface: PCIe x1 (compatible with x1, x4, x8, x16 slots)
- Number of Ports: 2 independent serial ports
- Supported Protocols: RS-232 / RS-422 / RS-485 (software-selectable)
- Isolation Voltage: 3 kV (port-to-system isolation)
- Surge Protection: 6 kV (line-to-line and line-to-ground)
- ESD Protection: 15 kV (air discharge), 8 kV (contact discharge)
- Baud Rate: Up to 921.6 kBd (configurable)
- FIFO Buffer: 128 bytes per port
- Connector Type: 1 × DB44 male D-sub connector (breakout cable required for individual port access)
- Power Supply: 3.3 V DC (from PCIe slot)
- Power Consumption: Low power design (typical < 2 W)
- Operating Temperature: -40°C to +75°C
- Storage Temperature: -55°C to +85°C
- Relative Humidity: 5% to 95% (non-condensing)
- Form Factor: Low-profile PCIe card
- Dimensions: Approx. 120 mm × 68 mm × 18 mm (typical low-profile PCIe dimensions)
- Weight: Approx. 80–100 g (depending on bracket and connector configuration)
- Material: Multi-layer PCB with industrial-grade components; metal bracket (nickel-plated steel or aluminum)
4. Functionality
The PCard-E3021L-SI-D5 functions as a dual-port serial communication interface for systems requiring reliable, isolated, and high-speed data exchange. Each port can be independently configured for RS-232, RS-422, or RS-485 operation, allowing flexible deployment across various industrial communication networks.
- RS-232 Mode: Supports standard asynchronous serial communication for legacy devices such as modems, sensors, and control panels.
- RS-422 Mode: Provides differential signaling for long-distance, high-speed communication with improved noise immunity.
- RS-485 Mode: Enables multi-drop network configurations, allowing multiple devices to share a single communication bus.
Use Cases and Applications:
- Industrial automation and process control systems
- SCADA (Supervisory Control and Data Acquisition) networks
- Building management and environmental monitoring systems
- Embedded control units and data loggers
- Laboratory instrumentation and test equipment
- Transportation and energy management systems
Compatibility:
- Compatible with Windows, Linux, and other major operating systems supporting PCIe serial drivers.
- Works with standard serial communication protocols and software applications.
- Suitable for integration into industrial PCs, rack-mounted servers, and embedded controllers.
5. Components & Accessories
Included Items:
- PCard-E3021L-SI-D5 PCIe card (low-profile bracket pre-installed)
- Standard-height bracket (optional, depending on package)
- Quick installation guide or user manual
- Driver and utility software (downloadable from manufacturer’s website)
Optional Accessories:
- DB44-to-dual-DB9 or DB44-to-dual-terminal-block breakout cable (for port access)
- Shielded serial cables for RS-232/422/485 connections
- DIN-rail mounting kit (for use in industrial enclosures)
Connectors:
- DB44 male D-sub connector on the card for external connection
- Breakout cable provides two separate serial connectors (DB9 or terminal block) for each port
6. Installation & Setup
Requirements:
- Available PCI Express slot (x1 or higher)
- Compatible operating system with appropriate driver support
- Administrative privileges for driver installation
Mounting Options:
- Designed for low-profile PCIe slots; can be adapted to standard-height slots using the included bracket.
- Suitable for installation in compact industrial PCs, embedded systems, or rack-mounted servers.
Configuration:
- Ports can be configured via software or jumpers (depending on model revision) to select RS-232, RS-422, or RS-485 mode.
- Baud rate, parity, stop bits, and flow control settings are adjustable through the operating system’s device manager or serial configuration utility.
- Isolation and surge protection are hardware-implemented and require no user configuration.
Setup Procedure:
1. Power off the host system and disconnect it from the power source.
2. Insert the PCard-E3021L-SI-D5 into an available PCIe slot.
3. Secure the card using the bracket screw.
4. Connect the breakout cable to the DB44 connector.
5. Reconnect power and boot the system.
6. Install the driver software provided by Rayon.
7. Verify port recognition in the operating system’s device manager.
8. Configure communication parameters as required by the connected devices.
7. Performance & Capabilities
The PCard-E3021L-SI-D5 is engineered for high reliability and performance in electrically noisy industrial environments.
- Data Throughput: Up to 921.6 kBd per port, supporting full-duplex communication.
- Buffering: 128-byte FIFO per port minimizes data loss and ensures smooth data flow even under high system load.
- Isolation Performance: 3 kV isolation effectively prevents ground potential differences from damaging the host system or connected devices.
- Surge Immunity: 6 kV surge protection ensures resilience against transient voltage spikes, lightning surges, and switching noise.
- ESD Robustness: 15 kV air and 8 kV contact discharge protection prevent electrostatic damage during installation and operation.
- Temperature Stability: Maintains consistent performance across a wide temperature range (-40°C to +75°C), suitable for outdoor or factory-floor environments.
- Power Efficiency: Low power consumption from the PCIe bus reduces thermal load and improves system efficiency.
Limitations:
- Requires breakout cable for individual port access (not directly accessible from the DB44 connector).
- Limited to two serial ports; for higher port density, multiple cards or multi-port models are recommended.
- Does not provide hardware flow control on all modes simultaneously (depends on configuration).
8. Standards & Compliance
The PCard-E3021L-SI-D5 complies with major industry and safety standards to ensure interoperability, reliability, and safety in industrial applications.
Electrical and Communication Standards:
- RS-232 (TIA/EIA-232-F)
- RS-422 (TIA/EIA-422-B)
- RS-485 (TIA/EIA-485-A)
- PCI Express Base Specification Revision 2.0 or later
Protection and Immunity Standards:
- ESD Protection: IEC 61000-4-2 (15 kV air, 8 kV contact)
- Surge Protection: IEC 61000-4-5 (6 kV line-to-line/line-to-ground)
- Isolation: 3 kV galvanic isolation per port
Environmental and Safety Compliance:
- RoHS (Restriction of Hazardous Substances) compliant
- CE marked for electromagnetic compatibility and safety
- FCC Class A compliant for industrial environments
- Designed and tested for industrial-grade reliability
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 2–3 years, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical support available via Rayon’s website, email, or authorized distributors.
- Driver updates and software utilities downloadable from the manufacturer’s support portal.
- Comprehensive documentation including installation guides, pinout diagrams, and configuration manuals.
Maintenance:
- No routine maintenance required; periodic inspection of connectors and cables recommended.
- Ensure proper grounding and shielding in high-EMI environments for optimal performance.
Firmware & Software Updates:
- Driver and firmware updates provided periodically to ensure compatibility with new operating systems and hardware platforms.
- Backward compatibility maintained with previous driver versions.
Service Life & Reliability:
- Designed for long-term industrial operation with high mean time between failures (MTBF).
- Solid-state design with no moving parts ensures durability and minimal downtime.
### Summary
The Rayon PCard-E3021L-SI-D5 is a dual-port, surge-isolated, low-profile PCIe serial communication card engineered for industrial and embedded applications requiring robust, high-speed, and electrically protected serial connectivity. With 3 kV isolation, 6 kV surge protection, and 15 kV ESD immunity, it provides exceptional resilience in harsh environments. Supporting RS-232, RS-422, and RS-485 protocols with baud rates up to 921.6 kBd, it ensures flexible integration across diverse serial communication systems. Its low-profile PCIe design, wide temperature tolerance (-40°C to +75°C), and 3.3 V DC power operation make it ideal for compact industrial PCs and embedded controllers.
Compliant with PCIe, RS-232/422/485, CE, FCC, and RoHS standards, the PCard-E3021L-SI-D5 delivers reliable, high-performance serial communication with long-term stability and minimal maintenance requirements—making it a preferred choice for industrial automation, control, and data acquisition applications.
Product Name: PCard-E3021L-SI-D5
Model / Series: E3021L-SI Series – Surge-Isolated PCI Express Serial Communication Card
Article Number: PCard-E3021L-SI-D5
Manufacturer: Rayon
The PCard-E3021L-SI-D5 is a high-performance, industrial-grade PCI Express (PCIe) communication interface card designed to provide reliable and isolated serial connectivity for demanding automation, control, and data acquisition environments. Developed by Rayon, this model belongs to the company’s E3021L-SI series of surge-isolated serial interface adapters. It offers dual-port serial communication supporting RS-232, RS-422, and RS-485 standards, with advanced protection features including 3 kV isolation, 6 kV surge protection, and ESD protection up to 15 kV (air) / 8 kV (contact). The card is engineered for low-profile PCIe slots, making it suitable for compact industrial PCs, embedded systems, and space-constrained enclosures.
2. Key Features
- Dual-Port Serial Interface: Provides two independent serial communication ports configurable as RS-232, RS-422, or RS-485, enabling flexible integration with a wide range of serial devices.
- Surge and Isolation Protection:
- 3 kV galvanic isolation between ports and system bus ensures electrical separation and protection against ground loops.
- 6 kV surge protection safeguards connected equipment from transient voltage spikes and lightning-induced surges.
- ESD protection: 15 kV (air discharge) and 8 kV (contact discharge) per IEC 61000-4-2 standards.
- High-Speed Data Transmission: Supports baud rates up to 921.6 kBd, ensuring fast and stable communication for industrial automation, instrumentation, and control systems.
- Low-Profile PCIe Design: Compact form factor suitable for small chassis and embedded PCs; includes a low-profile bracket for easy installation in space-limited systems.
- Single Power Requirement: Operates solely from the 3.3 V DC power supplied by the PCI Express bus, eliminating the need for external power sources.
- Industrial Temperature Range: Designed for harsh environments with an operating temperature range of -40°C to +75°C, ensuring reliable performance in both cold and high-temperature conditions.
- High Buffer Capacity: Each port features a 128-byte FIFO buffer, reducing CPU load and improving data throughput efficiency.
- Universal Compatibility: Fully compliant with PCI Express specifications, ensuring compatibility with modern industrial PCs and servers.
- Robust Connector Interface: Utilizes a DB44 male D-sub connector for secure and durable connection to external serial devices.
3. Technical Specifications
- Interface Type: PCI Express (PCIe)
- Bus Interface: PCIe x1 (compatible with x1, x4, x8, x16 slots)
- Number of Ports: 2 independent serial ports
- Supported Protocols: RS-232 / RS-422 / RS-485 (software-selectable)
- Isolation Voltage: 3 kV (port-to-system isolation)
- Surge Protection: 6 kV (line-to-line and line-to-ground)
- ESD Protection: 15 kV (air discharge), 8 kV (contact discharge)
- Baud Rate: Up to 921.6 kBd (configurable)
- FIFO Buffer: 128 bytes per port
- Connector Type: 1 × DB44 male D-sub connector (breakout cable required for individual port access)
- Power Supply: 3.3 V DC (from PCIe slot)
- Power Consumption: Low power design (typical < 2 W)
- Operating Temperature: -40°C to +75°C
- Storage Temperature: -55°C to +85°C
- Relative Humidity: 5% to 95% (non-condensing)
- Form Factor: Low-profile PCIe card
- Dimensions: Approx. 120 mm × 68 mm × 18 mm (typical low-profile PCIe dimensions)
- Weight: Approx. 80–100 g (depending on bracket and connector configuration)
- Material: Multi-layer PCB with industrial-grade components; metal bracket (nickel-plated steel or aluminum)
4. Functionality
The PCard-E3021L-SI-D5 functions as a dual-port serial communication interface for systems requiring reliable, isolated, and high-speed data exchange. Each port can be independently configured for RS-232, RS-422, or RS-485 operation, allowing flexible deployment across various industrial communication networks.
- RS-232 Mode: Supports standard asynchronous serial communication for legacy devices such as modems, sensors, and control panels.
- RS-422 Mode: Provides differential signaling for long-distance, high-speed communication with improved noise immunity.
- RS-485 Mode: Enables multi-drop network configurations, allowing multiple devices to share a single communication bus.
Use Cases and Applications:
- Industrial automation and process control systems
- SCADA (Supervisory Control and Data Acquisition) networks
- Building management and environmental monitoring systems
- Embedded control units and data loggers
- Laboratory instrumentation and test equipment
- Transportation and energy management systems
Compatibility:
- Compatible with Windows, Linux, and other major operating systems supporting PCIe serial drivers.
- Works with standard serial communication protocols and software applications.
- Suitable for integration into industrial PCs, rack-mounted servers, and embedded controllers.
5. Components & Accessories
Included Items:
- PCard-E3021L-SI-D5 PCIe card (low-profile bracket pre-installed)
- Standard-height bracket (optional, depending on package)
- Quick installation guide or user manual
- Driver and utility software (downloadable from manufacturer’s website)
Optional Accessories:
- DB44-to-dual-DB9 or DB44-to-dual-terminal-block breakout cable (for port access)
- Shielded serial cables for RS-232/422/485 connections
- DIN-rail mounting kit (for use in industrial enclosures)
Connectors:
- DB44 male D-sub connector on the card for external connection
- Breakout cable provides two separate serial connectors (DB9 or terminal block) for each port
6. Installation & Setup
Requirements:
- Available PCI Express slot (x1 or higher)
- Compatible operating system with appropriate driver support
- Administrative privileges for driver installation
Mounting Options:
- Designed for low-profile PCIe slots; can be adapted to standard-height slots using the included bracket.
- Suitable for installation in compact industrial PCs, embedded systems, or rack-mounted servers.
Configuration:
- Ports can be configured via software or jumpers (depending on model revision) to select RS-232, RS-422, or RS-485 mode.
- Baud rate, parity, stop bits, and flow control settings are adjustable through the operating system’s device manager or serial configuration utility.
- Isolation and surge protection are hardware-implemented and require no user configuration.
Setup Procedure:
1. Power off the host system and disconnect it from the power source.
2. Insert the PCard-E3021L-SI-D5 into an available PCIe slot.
3. Secure the card using the bracket screw.
4. Connect the breakout cable to the DB44 connector.
5. Reconnect power and boot the system.
6. Install the driver software provided by Rayon.
7. Verify port recognition in the operating system’s device manager.
8. Configure communication parameters as required by the connected devices.
7. Performance & Capabilities
The PCard-E3021L-SI-D5 is engineered for high reliability and performance in electrically noisy industrial environments.
- Data Throughput: Up to 921.6 kBd per port, supporting full-duplex communication.
- Buffering: 128-byte FIFO per port minimizes data loss and ensures smooth data flow even under high system load.
- Isolation Performance: 3 kV isolation effectively prevents ground potential differences from damaging the host system or connected devices.
- Surge Immunity: 6 kV surge protection ensures resilience against transient voltage spikes, lightning surges, and switching noise.
- ESD Robustness: 15 kV air and 8 kV contact discharge protection prevent electrostatic damage during installation and operation.
- Temperature Stability: Maintains consistent performance across a wide temperature range (-40°C to +75°C), suitable for outdoor or factory-floor environments.
- Power Efficiency: Low power consumption from the PCIe bus reduces thermal load and improves system efficiency.
Limitations:
- Requires breakout cable for individual port access (not directly accessible from the DB44 connector).
- Limited to two serial ports; for higher port density, multiple cards or multi-port models are recommended.
- Does not provide hardware flow control on all modes simultaneously (depends on configuration).
8. Standards & Compliance
The PCard-E3021L-SI-D5 complies with major industry and safety standards to ensure interoperability, reliability, and safety in industrial applications.
Electrical and Communication Standards:
- RS-232 (TIA/EIA-232-F)
- RS-422 (TIA/EIA-422-B)
- RS-485 (TIA/EIA-485-A)
- PCI Express Base Specification Revision 2.0 or later
Protection and Immunity Standards:
- ESD Protection: IEC 61000-4-2 (15 kV air, 8 kV contact)
- Surge Protection: IEC 61000-4-5 (6 kV line-to-line/line-to-ground)
- Isolation: 3 kV galvanic isolation per port
Environmental and Safety Compliance:
- RoHS (Restriction of Hazardous Substances) compliant
- CE marked for electromagnetic compatibility and safety
- FCC Class A compliant for industrial environments
- Designed and tested for industrial-grade reliability
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 2–3 years, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical support available via Rayon’s website, email, or authorized distributors.
- Driver updates and software utilities downloadable from the manufacturer’s support portal.
- Comprehensive documentation including installation guides, pinout diagrams, and configuration manuals.
Maintenance:
- No routine maintenance required; periodic inspection of connectors and cables recommended.
- Ensure proper grounding and shielding in high-EMI environments for optimal performance.
Firmware & Software Updates:
- Driver and firmware updates provided periodically to ensure compatibility with new operating systems and hardware platforms.
- Backward compatibility maintained with previous driver versions.
Service Life & Reliability:
- Designed for long-term industrial operation with high mean time between failures (MTBF).
- Solid-state design with no moving parts ensures durability and minimal downtime.
### Summary
The Rayon PCard-E3021L-SI-D5 is a dual-port, surge-isolated, low-profile PCIe serial communication card engineered for industrial and embedded applications requiring robust, high-speed, and electrically protected serial connectivity. With 3 kV isolation, 6 kV surge protection, and 15 kV ESD immunity, it provides exceptional resilience in harsh environments. Supporting RS-232, RS-422, and RS-485 protocols with baud rates up to 921.6 kBd, it ensures flexible integration across diverse serial communication systems. Its low-profile PCIe design, wide temperature tolerance (-40°C to +75°C), and 3.3 V DC power operation make it ideal for compact industrial PCs and embedded controllers.
Compliant with PCIe, RS-232/422/485, CE, FCC, and RoHS standards, the PCard-E3021L-SI-D5 delivers reliable, high-performance serial communication with long-term stability and minimal maintenance requirements—making it a preferred choice for industrial automation, control, and data acquisition applications.
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