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- Dual Serial Ports: Provides two independent RS-422/RS-485 communication channels for flexible serial connectivity.
- PCI Express Interface: Compliant with PCIe standards, ensuring high-speed data transfer and compatibility with modern industrial PCs and servers.
- Low-Profile Design: Compact form factor suitable for space-constrained enclosures and embedded systems; includes low-profile bracket for installation flexibility.
- Enhanced Protection:
- ESD Protection: ±15 kV (air discharge) and ±8 kV (contact discharge) per IEC 61000-4-2 standards.
- Surge Protection: ±6 kV surge protection per IEC 61000-4-5, safeguarding connected devices and communication lines.
- High-Speed Communication: Supports data rates up to 921.6 kbps, ensuring fast and reliable serial data transmission.
- Large FIFO Buffer: 128-byte FIFO per port for efficient data handling and reduced CPU load during high-speed communication.
- Single Power Requirement: Operates on 3.3 V DC supplied directly from the PCIe bus, eliminating the need for external power sources.
- Wide Operating Temperature Range: Designed for industrial environments with an operational range from -40°C to +75°C.
- Connector Type: Equipped with a DB44 male D-sub connector, providing a compact and robust interface for serial connections.
- Industrial Reliability: Built with high-quality components and conformal coating options for enhanced durability in vibration, dust, and temperature extremes.
- PCI Express Interface: Compliant with PCIe standards, ensuring high-speed data transfer and compatibility with modern industrial PCs and servers.
- Low-Profile Design: Compact form factor suitable for space-constrained enclosures and embedded systems; includes low-profile bracket for installation flexibility.
- Enhanced Protection:
- ESD Protection: ±15 kV (air discharge) and ±8 kV (contact discharge) per IEC 61000-4-2 standards.
- Surge Protection: ±6 kV surge protection per IEC 61000-4-5, safeguarding connected devices and communication lines.
- High-Speed Communication: Supports data rates up to 921.6 kbps, ensuring fast and reliable serial data transmission.
- Large FIFO Buffer: 128-byte FIFO per port for efficient data handling and reduced CPU load during high-speed communication.
- Single Power Requirement: Operates on 3.3 V DC supplied directly from the PCIe bus, eliminating the need for external power sources.
- Wide Operating Temperature Range: Designed for industrial environments with an operational range from -40°C to +75°C.
- Connector Type: Equipped with a DB44 male D-sub connector, providing a compact and robust interface for serial connections.
- Industrial Reliability: Built with high-quality components and conformal coating options for enhanced durability in vibration, dust, and temperature extremes.
1. Product Overview
Product Name: PCard-E2021L-I-D5
Model: E2021L-I-D5
Series: PCard Industrial Communication Interface Series
Article Number: PCard-E2021L-I-D5
Manufacturer: Oring Industrial Networking Corp.
The PCard-E2021L-I-D5 is a high-performance, industrial-grade PCI Express (PCIe) communication interface card designed to provide reliable and robust serial connectivity for industrial automation, control systems, and data acquisition applications. This model features two independent RS-422/RS-485 serial ports, integrated surge and electrostatic discharge (ESD) protection, and a low-profile form factor suitable for compact industrial PCs and embedded systems. Engineered for demanding environments, the card ensures stable operation across a wide temperature range and offers advanced protection mechanisms for long-term reliability in harsh conditions.
2. Key Features
- Dual Serial Ports: Provides two independent RS-422/RS-485 communication channels for flexible serial connectivity.
- PCI Express Interface: Compliant with PCIe standards, ensuring high-speed data transfer and compatibility with modern industrial PCs and servers.
- Low-Profile Design: Compact form factor suitable for space-constrained enclosures and embedded systems; includes low-profile bracket for installation flexibility.
- Enhanced Protection:
- ESD Protection: ±15 kV (air discharge) and ±8 kV (contact discharge) per IEC 61000-4-2 standards.
- Surge Protection: ±6 kV surge protection per IEC 61000-4-5, safeguarding connected devices and communication lines.
- High-Speed Communication: Supports data rates up to 921.6 kbps, ensuring fast and reliable serial data transmission.
- Large FIFO Buffer: 128-byte FIFO per port for efficient data handling and reduced CPU load during high-speed communication.
- Single Power Requirement: Operates on 3.3 V DC supplied directly from the PCIe bus, eliminating the need for external power sources.
- Wide Operating Temperature Range: Designed for industrial environments with an operational range from -40°C to +75°C.
- Connector Type: Equipped with a DB44 male D-sub connector, providing a compact and robust interface for serial connections.
- Industrial Reliability: Built with high-quality components and conformal coating options for enhanced durability in vibration, dust, and temperature extremes.
3. Technical Specifications
- Interface Type: PCI Express (PCIe)
- Bus Interface: PCIe x1 lane, compatible with x1, x4, x8, and x16 slots
- Serial Ports: 2 independent RS-422/RS-485 ports
- Connector: 1 × DB44 male D-sub connector (breakout cable required for dual-port access)
- Communication Standards: RS-422 full-duplex, RS-485 half-duplex, multi-drop supported
- Baud Rate: Up to 921.6 kbps per port
- FIFO Buffer: 128 bytes transmit/receive per channel
- Protection:
- ESD: ±15 kV (air), ±8 kV (contact)
- Surge: ±6 kV line-to-line
- Power Supply: 3.3 V DC (from PCIe slot)
- Power Consumption: Typically < 2 W
- Operating Temperature: -40°C to +75°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5% to 95% (non-condensing)
- Form Factor: Low-profile PCIe card
- Dimensions: Approx. 120 mm (L) × 68 mm (H) × 18 mm (D) (typical low-profile PCIe dimensions)
- Weight: Approx. 80–100 g (depending on bracket and connector configuration)
- Material: PCB with industrial-grade components, gold-plated edge connector, metal bracket
- LED Indicators: Optional TX/RX activity LEDs per port (depending on configuration)
4. Functionality
The PCard-E2021L-I-D5 functions as a dual-port serial communication interface card that enables PCs and industrial controllers to communicate with RS-422 or RS-485 devices such as PLCs, sensors, motor drives, and data loggers. Each port can be configured independently for RS-422 or RS-485 operation, supporting both point-to-point and multi-drop network topologies.
How It Works:
When installed in a PCIe slot, the card enumerates as two serial COM ports in the host operating system. The onboard UART controllers manage data transmission and reception, while the integrated surge and ESD protection circuits safeguard the communication lines from transient voltages and electrostatic discharges. The 128-byte FIFO buffers ensure smooth data flow even under high-speed or high-load conditions.
Use Cases and Applications:
- Industrial automation and process control
- Building management systems (BMS)
- SCADA and telemetry systems
- Machine-to-machine (M2M) communication
- Data acquisition and monitoring
- Serial device networking and integration
- Transportation and energy management systems
Compatibility:
- Compatible with Windows, Linux, and other major operating systems supporting PCIe serial interfaces.
- Works with standard RS-422/RS-485 devices and protocols such as Modbus RTU, Profibus, and proprietary serial communication schemes.
5. Components & Accessories
Included Items:
- PCard-E2021L-I-D5 PCIe card (low-profile)
- Low-profile mounting bracket (pre-installed or included separately)
- Standard-height bracket (optional, depending on package)
- Quick installation guide or user manual
- Driver CD or download link for Windows/Linux drivers
Optional Accessories:
- DB44-to-dual-DB9 or DB44-to-terminal-block breakout cable for port access
- External surge protection modules (for additional field protection)
- DIN-rail mounting kit (for use in industrial PC chassis)
- Extended temperature-rated cables for harsh environments
Connectors:
- DB44 male D-sub connector on the card faceplate
- Breakout cable provides two independent RS-422/485 ports (DB9 or terminal block connectors depending on cable type)
6. Installation & Setup
Requirements:
- Available PCI Express slot (x1 or higher)
- Compatible operating system with driver support
- Administrative privileges for driver installation
Installation Steps:
1. Power off the host system and disconnect it from the power source.
2. Remove the system cover and locate an available PCIe slot.
3. Insert the PCard-E2021L-I-D5 firmly into the slot, ensuring proper alignment.
4. Secure the card using the provided bracket screw.
5. Replace the system cover and power on the computer.
6. Install the appropriate driver software from the included media or manufacturer’s website.
7. Verify that the new COM ports appear in the device manager or system configuration tool.
8. Connect RS-422/RS-485 devices using the breakout cable and configure communication parameters (baud rate, parity, stop bits, etc.) as required.
Mounting Options:
- Standard PCIe slot mounting (desktop or industrial PC)
- Low-profile bracket for compact enclosures
- Optional DIN-rail mounting via chassis adapter
Configuration:
- Software-configurable port modes (RS-422 or RS-485)
- Adjustable baud rate, parity, data bits, and stop bits via driver or application software
- Optional termination and biasing resistors (depending on breakout cable design)
7. Performance & Capabilities
Speed:
- Supports serial data rates up to 921.6 kbps, suitable for high-speed industrial communication.
Capacity:
- Two independent serial channels, each with 128-byte FIFO buffers for transmit and receive operations.
Efficiency:
- Hardware-based buffering minimizes CPU overhead and ensures stable data throughput.
- PCIe interface provides high-bandwidth, low-latency communication between the host and serial devices.
Reliability:
- Industrial-grade surge and ESD protection ensures long-term stability in electrically noisy environments.
- Wide temperature tolerance allows deployment in outdoor or factory-floor conditions.
Limitations:
- Requires breakout cable for access to individual ports.
- Limited to RS-422/RS-485 communication (no RS-232 support).
- Maximum baud rate of 921.6 kbps may not be sufficient for ultra-high-speed serial applications.
8. Standards & Compliance
Electrical and Communication Standards:
- RS-422 (TIA/EIA-422-B)
- RS-485 (TIA/EIA-485-A)
- PCI Express Base Specification Revision 2.0 or higher
Protection and Safety Standards:
- ESD Protection: IEC 61000-4-2 (±15 kV air, ±8 kV contact)
- Surge Protection: IEC 61000-4-5 (±6 kV line-to-line)
Environmental and Reliability Standards:
- Operating temperature: -40°C to +75°C (industrial grade)
- RoHS compliant (Restriction of Hazardous Substances)
- CE and FCC Class A compliance for electromagnetic compatibility
Industry Certifications:
- CE Marking (EMC and Safety)
- FCC Part 15 Class A
- RoHS Directive 2011/65/EU compliance
- REACH compliance (where applicable)
9. Additional Information
Warranty:
- Standard 2-year limited hardware warranty (may vary by region or distributor).
- Covers defects in materials and workmanship under normal use conditions.
Support:
- Technical support available via Oring’s online portal, email, or authorized distributors.
- Access to driver downloads, firmware updates, and configuration utilities.
Maintenance:
- No routine maintenance required; periodic inspection recommended for connector integrity and cable condition.
- Ensure proper grounding and shielding in high-EMI environments to maintain optimal performance.
Firmware & Software Updates:
- Driver and firmware updates provided periodically to ensure compatibility with new operating systems and hardware platforms.
- Configuration utilities allow firmware version checking and port diagnostics.
Lifecycle & Availability:
- Designed for long-term industrial availability with extended product lifecycle support.
- Backward-compatible with previous Oring PCI/PCIe serial card generations for seamless system upgrades.
Environmental Considerations:
- Low power consumption (3.3 V DC operation) reduces system energy usage.
- RoHS-compliant materials minimize environmental impact.
### Summary
The Oring PCard-E2021L-I-D5 is a robust, industrial-grade low-profile PCIe communication card offering two RS-422/RS-485 serial ports with advanced surge and ESD protection. Engineered for reliability in harsh environments, it supports data rates up to 921.6 kbps, operates across a -40°C to +75°C temperature range, and requires only 3.3 V DC from the PCIe bus. Its DB44 male connector provides a compact interface for dual-port access via breakout cables, while compliance with IEC, CE, FCC, and RoHS standards ensures safety and interoperability. Ideal for industrial automation, SCADA, and embedded control systems, the PCard-E2021L-I-D5 delivers dependable serial communication performance in a compact, energy-efficient form factor.
Product Name: PCard-E2021L-I-D5
Model: E2021L-I-D5
Series: PCard Industrial Communication Interface Series
Article Number: PCard-E2021L-I-D5
Manufacturer: Oring Industrial Networking Corp.
The PCard-E2021L-I-D5 is a high-performance, industrial-grade PCI Express (PCIe) communication interface card designed to provide reliable and robust serial connectivity for industrial automation, control systems, and data acquisition applications. This model features two independent RS-422/RS-485 serial ports, integrated surge and electrostatic discharge (ESD) protection, and a low-profile form factor suitable for compact industrial PCs and embedded systems. Engineered for demanding environments, the card ensures stable operation across a wide temperature range and offers advanced protection mechanisms for long-term reliability in harsh conditions.
2. Key Features
- Dual Serial Ports: Provides two independent RS-422/RS-485 communication channels for flexible serial connectivity.
- PCI Express Interface: Compliant with PCIe standards, ensuring high-speed data transfer and compatibility with modern industrial PCs and servers.
- Low-Profile Design: Compact form factor suitable for space-constrained enclosures and embedded systems; includes low-profile bracket for installation flexibility.
- Enhanced Protection:
- ESD Protection: ±15 kV (air discharge) and ±8 kV (contact discharge) per IEC 61000-4-2 standards.
- Surge Protection: ±6 kV surge protection per IEC 61000-4-5, safeguarding connected devices and communication lines.
- High-Speed Communication: Supports data rates up to 921.6 kbps, ensuring fast and reliable serial data transmission.
- Large FIFO Buffer: 128-byte FIFO per port for efficient data handling and reduced CPU load during high-speed communication.
- Single Power Requirement: Operates on 3.3 V DC supplied directly from the PCIe bus, eliminating the need for external power sources.
- Wide Operating Temperature Range: Designed for industrial environments with an operational range from -40°C to +75°C.
- Connector Type: Equipped with a DB44 male D-sub connector, providing a compact and robust interface for serial connections.
- Industrial Reliability: Built with high-quality components and conformal coating options for enhanced durability in vibration, dust, and temperature extremes.
3. Technical Specifications
- Interface Type: PCI Express (PCIe)
- Bus Interface: PCIe x1 lane, compatible with x1, x4, x8, and x16 slots
- Serial Ports: 2 independent RS-422/RS-485 ports
- Connector: 1 × DB44 male D-sub connector (breakout cable required for dual-port access)
- Communication Standards: RS-422 full-duplex, RS-485 half-duplex, multi-drop supported
- Baud Rate: Up to 921.6 kbps per port
- FIFO Buffer: 128 bytes transmit/receive per channel
- Protection:
- ESD: ±15 kV (air), ±8 kV (contact)
- Surge: ±6 kV line-to-line
- Power Supply: 3.3 V DC (from PCIe slot)
- Power Consumption: Typically < 2 W
- Operating Temperature: -40°C to +75°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5% to 95% (non-condensing)
- Form Factor: Low-profile PCIe card
- Dimensions: Approx. 120 mm (L) × 68 mm (H) × 18 mm (D) (typical low-profile PCIe dimensions)
- Weight: Approx. 80–100 g (depending on bracket and connector configuration)
- Material: PCB with industrial-grade components, gold-plated edge connector, metal bracket
- LED Indicators: Optional TX/RX activity LEDs per port (depending on configuration)
4. Functionality
The PCard-E2021L-I-D5 functions as a dual-port serial communication interface card that enables PCs and industrial controllers to communicate with RS-422 or RS-485 devices such as PLCs, sensors, motor drives, and data loggers. Each port can be configured independently for RS-422 or RS-485 operation, supporting both point-to-point and multi-drop network topologies.
How It Works:
When installed in a PCIe slot, the card enumerates as two serial COM ports in the host operating system. The onboard UART controllers manage data transmission and reception, while the integrated surge and ESD protection circuits safeguard the communication lines from transient voltages and electrostatic discharges. The 128-byte FIFO buffers ensure smooth data flow even under high-speed or high-load conditions.
Use Cases and Applications:
- Industrial automation and process control
- Building management systems (BMS)
- SCADA and telemetry systems
- Machine-to-machine (M2M) communication
- Data acquisition and monitoring
- Serial device networking and integration
- Transportation and energy management systems
Compatibility:
- Compatible with Windows, Linux, and other major operating systems supporting PCIe serial interfaces.
- Works with standard RS-422/RS-485 devices and protocols such as Modbus RTU, Profibus, and proprietary serial communication schemes.
5. Components & Accessories
Included Items:
- PCard-E2021L-I-D5 PCIe card (low-profile)
- Low-profile mounting bracket (pre-installed or included separately)
- Standard-height bracket (optional, depending on package)
- Quick installation guide or user manual
- Driver CD or download link for Windows/Linux drivers
Optional Accessories:
- DB44-to-dual-DB9 or DB44-to-terminal-block breakout cable for port access
- External surge protection modules (for additional field protection)
- DIN-rail mounting kit (for use in industrial PC chassis)
- Extended temperature-rated cables for harsh environments
Connectors:
- DB44 male D-sub connector on the card faceplate
- Breakout cable provides two independent RS-422/485 ports (DB9 or terminal block connectors depending on cable type)
6. Installation & Setup
Requirements:
- Available PCI Express slot (x1 or higher)
- Compatible operating system with driver support
- Administrative privileges for driver installation
Installation Steps:
1. Power off the host system and disconnect it from the power source.
2. Remove the system cover and locate an available PCIe slot.
3. Insert the PCard-E2021L-I-D5 firmly into the slot, ensuring proper alignment.
4. Secure the card using the provided bracket screw.
5. Replace the system cover and power on the computer.
6. Install the appropriate driver software from the included media or manufacturer’s website.
7. Verify that the new COM ports appear in the device manager or system configuration tool.
8. Connect RS-422/RS-485 devices using the breakout cable and configure communication parameters (baud rate, parity, stop bits, etc.) as required.
Mounting Options:
- Standard PCIe slot mounting (desktop or industrial PC)
- Low-profile bracket for compact enclosures
- Optional DIN-rail mounting via chassis adapter
Configuration:
- Software-configurable port modes (RS-422 or RS-485)
- Adjustable baud rate, parity, data bits, and stop bits via driver or application software
- Optional termination and biasing resistors (depending on breakout cable design)
7. Performance & Capabilities
Speed:
- Supports serial data rates up to 921.6 kbps, suitable for high-speed industrial communication.
Capacity:
- Two independent serial channels, each with 128-byte FIFO buffers for transmit and receive operations.
Efficiency:
- Hardware-based buffering minimizes CPU overhead and ensures stable data throughput.
- PCIe interface provides high-bandwidth, low-latency communication between the host and serial devices.
Reliability:
- Industrial-grade surge and ESD protection ensures long-term stability in electrically noisy environments.
- Wide temperature tolerance allows deployment in outdoor or factory-floor conditions.
Limitations:
- Requires breakout cable for access to individual ports.
- Limited to RS-422/RS-485 communication (no RS-232 support).
- Maximum baud rate of 921.6 kbps may not be sufficient for ultra-high-speed serial applications.
8. Standards & Compliance
Electrical and Communication Standards:
- RS-422 (TIA/EIA-422-B)
- RS-485 (TIA/EIA-485-A)
- PCI Express Base Specification Revision 2.0 or higher
Protection and Safety Standards:
- ESD Protection: IEC 61000-4-2 (±15 kV air, ±8 kV contact)
- Surge Protection: IEC 61000-4-5 (±6 kV line-to-line)
Environmental and Reliability Standards:
- Operating temperature: -40°C to +75°C (industrial grade)
- RoHS compliant (Restriction of Hazardous Substances)
- CE and FCC Class A compliance for electromagnetic compatibility
Industry Certifications:
- CE Marking (EMC and Safety)
- FCC Part 15 Class A
- RoHS Directive 2011/65/EU compliance
- REACH compliance (where applicable)
9. Additional Information
Warranty:
- Standard 2-year limited hardware warranty (may vary by region or distributor).
- Covers defects in materials and workmanship under normal use conditions.
Support:
- Technical support available via Oring’s online portal, email, or authorized distributors.
- Access to driver downloads, firmware updates, and configuration utilities.
Maintenance:
- No routine maintenance required; periodic inspection recommended for connector integrity and cable condition.
- Ensure proper grounding and shielding in high-EMI environments to maintain optimal performance.
Firmware & Software Updates:
- Driver and firmware updates provided periodically to ensure compatibility with new operating systems and hardware platforms.
- Configuration utilities allow firmware version checking and port diagnostics.
Lifecycle & Availability:
- Designed for long-term industrial availability with extended product lifecycle support.
- Backward-compatible with previous Oring PCI/PCIe serial card generations for seamless system upgrades.
Environmental Considerations:
- Low power consumption (3.3 V DC operation) reduces system energy usage.
- RoHS-compliant materials minimize environmental impact.
### Summary
The Oring PCard-E2021L-I-D5 is a robust, industrial-grade low-profile PCIe communication card offering two RS-422/RS-485 serial ports with advanced surge and ESD protection. Engineered for reliability in harsh environments, it supports data rates up to 921.6 kbps, operates across a -40°C to +75°C temperature range, and requires only 3.3 V DC from the PCIe bus. Its DB44 male connector provides a compact interface for dual-port access via breakout cables, while compliance with IEC, CE, FCC, and RoHS standards ensures safety and interoperability. Ideal for industrial automation, SCADA, and embedded control systems, the PCard-E2021L-I-D5 delivers dependable serial communication performance in a compact, energy-efficient form factor.
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