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- Four Independent Serial Ports: Provides 4 channels of RS422/RS485 communication via a single PCIe slot, enabling simultaneous multi-device connectivity.
- Low-Profile PCIe Form Factor: Compact design suitable for small form factor PCs, embedded systems, and industrial computers with limited expansion space.
- High-Speed Data Transmission: Supports baud rates up to 921.6 kbit/s, ensuring fast and stable serial communication for demanding industrial applications.
- Enhanced ESD Protection: Built-in electrostatic discharge protection rated at 15 kV (air discharge) and 8 kV (contact discharge), safeguarding the card and connected devices from electrical surges and static events.
- Large FIFO Buffer: Each port features a 128-byte FIFO buffer, improving data handling efficiency and minimizing CPU load during high-speed communication.
- Single Power Requirement: Operates solely on 3.3 V DC supplied through the PCI Express bus, eliminating the need for external power sources.
- Wide Operating Temperature Range: Designed for industrial environments with an extended temperature range of -40°C to +75°C, ensuring reliable operation in both cold and hot conditions.
- DB44 Male Connector Interface: Utilizes a DB44 male D-sub connector to provide all four serial channels through a single, compact interface.
- RS422/RS485 Mode Selection: Supports both full-duplex (RS422) and half-duplex (RS485) communication modes, configurable per port.
- Industrial-Grade Reliability: Engineered for continuous operation in mission-critical systems such as automation, transportation, and process control.
- Low-Profile PCIe Form Factor: Compact design suitable for small form factor PCs, embedded systems, and industrial computers with limited expansion space.
- High-Speed Data Transmission: Supports baud rates up to 921.6 kbit/s, ensuring fast and stable serial communication for demanding industrial applications.
- Enhanced ESD Protection: Built-in electrostatic discharge protection rated at 15 kV (air discharge) and 8 kV (contact discharge), safeguarding the card and connected devices from electrical surges and static events.
- Large FIFO Buffer: Each port features a 128-byte FIFO buffer, improving data handling efficiency and minimizing CPU load during high-speed communication.
- Single Power Requirement: Operates solely on 3.3 V DC supplied through the PCI Express bus, eliminating the need for external power sources.
- Wide Operating Temperature Range: Designed for industrial environments with an extended temperature range of -40°C to +75°C, ensuring reliable operation in both cold and hot conditions.
- DB44 Male Connector Interface: Utilizes a DB44 male D-sub connector to provide all four serial channels through a single, compact interface.
- RS422/RS485 Mode Selection: Supports both full-duplex (RS422) and half-duplex (RS485) communication modes, configurable per port.
- Industrial-Grade Reliability: Engineered for continuous operation in mission-critical systems such as automation, transportation, and process control.
1. Product Overview
Name: PCI Express Serial Communication Card – 4-Port RS422/RS485
Model: PCard-E2041L-D4
Series: PCard-E2000 Series (Industrial Communication Interfaces)
Article Number: PCard-E2041L-D4
Manufacturer: Oring Industrial Networking Corp.
The PCard-E2041L-D4 is a high-performance, low-profile PCI Express (PCIe) serial communication card designed for industrial and embedded applications requiring multiple isolated RS422/RS485 serial ports. Developed by Oring, a recognized manufacturer of industrial networking and communication solutions, this model provides four independent serial channels through a single PCIe interface, optimized for reliable data transmission in harsh environments. The card supports both RS422 and RS485 communication standards, offering flexible configuration options for point-to-point and multi-drop serial networks.
2. Key Features
- Four Independent Serial Ports: Provides 4 channels of RS422/RS485 communication via a single PCIe slot, enabling simultaneous multi-device connectivity.
- Low-Profile PCIe Form Factor: Compact design suitable for small form factor PCs, embedded systems, and industrial computers with limited expansion space.
- High-Speed Data Transmission: Supports baud rates up to 921.6 kbit/s, ensuring fast and stable serial communication for demanding industrial applications.
- Enhanced ESD Protection: Built-in electrostatic discharge protection rated at 15 kV (air discharge) and 8 kV (contact discharge), safeguarding the card and connected devices from electrical surges and static events.
- Large FIFO Buffer: Each port features a 128-byte FIFO buffer, improving data handling efficiency and minimizing CPU load during high-speed communication.
- Single Power Requirement: Operates solely on 3.3 V DC supplied through the PCI Express bus, eliminating the need for external power sources.
- Wide Operating Temperature Range: Designed for industrial environments with an extended temperature range of -40°C to +75°C, ensuring reliable operation in both cold and hot conditions.
- DB44 Male Connector Interface: Utilizes a DB44 male D-sub connector to provide all four serial channels through a single, compact interface.
- RS422/RS485 Mode Selection: Supports both full-duplex (RS422) and half-duplex (RS485) communication modes, configurable per port.
- Industrial-Grade Reliability: Engineered for continuous operation in mission-critical systems such as automation, transportation, and process control.
3. Technical Specifications
- Bus Interface: PCI Express (PCIe) x1, compliant with PCI Express Base Specification.
- Number of Ports: 4 independent serial ports.
- Communication Standards: RS422 and RS485 (software or jumper selectable).
- Connector Type: 1 × DB44 male D-sub connector (breakout cable required for individual port access).
- Baud Rate: Up to 921.6 kbit/s (configurable).
- FIFO Buffer: 128 bytes per port (transmit and receive).
- ESD Protection:
- Air discharge: ±15 kV
- Contact discharge: ±8 kV
- Power Requirement: 3.3 V DC (supplied via PCIe slot).
- Power Consumption: Low power design (exact current draw dependent on configuration).
- Operating Temperature: -40°C to +75°C.
- Storage Temperature: -40°C to +85°C (typical for industrial-grade components).
- Relative Humidity: 5% to 95% non-condensing (typical).
- Form Factor: Low-profile PCIe card (half-height bracket).
- Dimensions: Approx. 120 mm (L) × 68 mm (H) × 15 mm (D) (typical low-profile PCIe dimensions).
- Weight: Approx. 80–100 g (depending on bracket and connector).
- Material: PCB with industrial-grade components; metal bracket (nickel-plated steel).
4. Functionality
The PCard-E2041L-D4 functions as a multi-port serial communication interface card that expands a computer’s connectivity by adding four RS422/RS485 ports through a PCI Express slot. Once installed, the card allows the host system to communicate with multiple serial devices such as PLCs, sensors, motor controllers, barcode scanners, and industrial instruments.
Each port can be configured for either RS422 (full-duplex) or RS485 (half-duplex) operation, supporting both point-to-point and multi-drop network topologies. The card’s onboard UART controllers manage data transmission and reception, while 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 systems.
- Building management and HVAC control.
- Transportation and traffic monitoring systems.
- Energy management and smart grid communication.
- Embedded systems requiring multiple serial interfaces.
- Data acquisition and instrumentation.
- Machine-to-machine (M2M) communication.
Compatibility:
- Compatible with standard PCI Express slots (x1, x4, x8, x16).
- Supported operating systems typically include Windows, Linux, and other OSs with serial driver support.
- Compatible with industrial PCs, servers, and embedded controllers.
5. Components & Accessories
Included Items:
- PCard-E2041L-D4 PCIe card (low-profile bracket pre-installed).
- Standard-height bracket (optional, depending on package).
- Quick installation guide or user manual.
- Driver CD or downloadable driver package (depending on distribution).
Optional Accessories:
- DB44-to-4×DB9 or DB44-to-4×terminal block breakout cable (for individual port access).
- RS422/RS485 terminal adapters.
- Shielded serial cables for noise immunity in industrial environments.
Connectors:
- DB44 Male D-sub Connector: Provides all four serial channels through a single connector.
- PCIe Edge Connector: Gold-plated contacts for reliable electrical connection to the motherboard.
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 computer and disconnect it from the power source.
2. Remove the system cover and locate an available PCIe slot.
3. Insert the PCard-E2041L-D4 firmly into the slot and secure it with the bracket screw.
4. If required, replace the low-profile bracket with the standard-height bracket before installation.
5. Connect the DB44 breakout cable to access the four serial ports.
6. Power on the system and install the appropriate drivers.
7. Configure each port for RS422 or RS485 mode as needed (via software or jumper settings).
Configuration:
- Port parameters (baud rate, parity, stop bits, data bits) can be configured through the operating system’s device manager or serial configuration utility.
- RS422/RS485 mode selection may be software-controlled or hardware-selectable depending on the card’s internal jumper configuration.
Mounting Options:
- Fits standard and low-profile PCIe slots.
- Can be used in rackmount, desktop, or embedded chassis systems.
7. Performance & Capabilities
- Data Rate: Up to 921.6 kbit/s per port, supporting high-speed serial communication.
- Buffering: 128-byte FIFO per port ensures efficient data handling and reduces CPU overhead.
- Signal Integrity: ESD protection and robust PCB design minimize data errors and signal degradation.
- Reliability: Industrial-grade components ensure long-term stability under continuous operation.
- Efficiency: Low power consumption due to 3.3 V DC operation.
- Latency: Optimized for low-latency communication between host and serial devices.
- Limitations:
- Requires breakout cable for individual port access.
- RS232 not supported (RS422/RS485 only).
- Maximum baud rate limited to 921.6 kbit/s.
8. Standards & Compliance
- Interface Compliance: PCI Express Base Specification (Revision 1.1 or later).
- Serial Communication Standards: EIA/TIA RS422 and RS485 compliant.
- ESD Protection Standards: IEC 61000-4-2 (±15 kV air, ±8 kV contact).
- Environmental Compliance:
- RoHS (Restriction of Hazardous Substances) compliant.
- REACH compliant (where applicable).
- Safety and EMC: Designed to meet CE and FCC Class A/B requirements for electromagnetic compatibility.
- Temperature and Reliability Standards: Industrial-grade design validated for extended temperature operation (-40°C to +75°C).
9. Additional Information
Warranty:
- Typically covered by a 3-year limited manufacturer’s warranty (may vary by region).
- Warranty covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical support available via Oring’s website, email, or authorized distributors.
- Driver updates and documentation downloadable from the manufacturer’s support portal.
Maintenance:
- No routine maintenance required beyond standard dust removal and inspection.
- Ensure adequate airflow within the system chassis to maintain optimal operating temperature.
Firmware & Software Updates:
- Periodic driver and firmware updates may be released to enhance compatibility and performance.
- Compatible with standard serial communication software and diagnostic tools.
Service Life & Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Mean Time Between Failures (MTBF) estimated in hundreds of thousands of hours (typical for industrial-grade PCIe cards).
Environmental Considerations:
- Operates reliably in environments with wide temperature fluctuations and electrical noise.
- Suitable for use in control cabinets, factory floors, and transportation systems.
### Summary
The Oring PCard-E2041L-D4 is a robust, low-profile PCI Express card that delivers four high-speed RS422/RS485 serial ports in a compact, energy-efficient design. With advanced ESD protection, wide temperature tolerance, and industrial-grade reliability, it is ideally suited for automation, control, and communication systems that demand stable and secure serial connectivity. Its combination of high performance, flexible configuration, and compliance with industrial standards makes it a dependable solution for engineers and system integrators seeking to expand serial communication capabilities in modern industrial PCs and embedded platforms.
Name: PCI Express Serial Communication Card – 4-Port RS422/RS485
Model: PCard-E2041L-D4
Series: PCard-E2000 Series (Industrial Communication Interfaces)
Article Number: PCard-E2041L-D4
Manufacturer: Oring Industrial Networking Corp.
The PCard-E2041L-D4 is a high-performance, low-profile PCI Express (PCIe) serial communication card designed for industrial and embedded applications requiring multiple isolated RS422/RS485 serial ports. Developed by Oring, a recognized manufacturer of industrial networking and communication solutions, this model provides four independent serial channels through a single PCIe interface, optimized for reliable data transmission in harsh environments. The card supports both RS422 and RS485 communication standards, offering flexible configuration options for point-to-point and multi-drop serial networks.
2. Key Features
- Four Independent Serial Ports: Provides 4 channels of RS422/RS485 communication via a single PCIe slot, enabling simultaneous multi-device connectivity.
- Low-Profile PCIe Form Factor: Compact design suitable for small form factor PCs, embedded systems, and industrial computers with limited expansion space.
- High-Speed Data Transmission: Supports baud rates up to 921.6 kbit/s, ensuring fast and stable serial communication for demanding industrial applications.
- Enhanced ESD Protection: Built-in electrostatic discharge protection rated at 15 kV (air discharge) and 8 kV (contact discharge), safeguarding the card and connected devices from electrical surges and static events.
- Large FIFO Buffer: Each port features a 128-byte FIFO buffer, improving data handling efficiency and minimizing CPU load during high-speed communication.
- Single Power Requirement: Operates solely on 3.3 V DC supplied through the PCI Express bus, eliminating the need for external power sources.
- Wide Operating Temperature Range: Designed for industrial environments with an extended temperature range of -40°C to +75°C, ensuring reliable operation in both cold and hot conditions.
- DB44 Male Connector Interface: Utilizes a DB44 male D-sub connector to provide all four serial channels through a single, compact interface.
- RS422/RS485 Mode Selection: Supports both full-duplex (RS422) and half-duplex (RS485) communication modes, configurable per port.
- Industrial-Grade Reliability: Engineered for continuous operation in mission-critical systems such as automation, transportation, and process control.
3. Technical Specifications
- Bus Interface: PCI Express (PCIe) x1, compliant with PCI Express Base Specification.
- Number of Ports: 4 independent serial ports.
- Communication Standards: RS422 and RS485 (software or jumper selectable).
- Connector Type: 1 × DB44 male D-sub connector (breakout cable required for individual port access).
- Baud Rate: Up to 921.6 kbit/s (configurable).
- FIFO Buffer: 128 bytes per port (transmit and receive).
- ESD Protection:
- Air discharge: ±15 kV
- Contact discharge: ±8 kV
- Power Requirement: 3.3 V DC (supplied via PCIe slot).
- Power Consumption: Low power design (exact current draw dependent on configuration).
- Operating Temperature: -40°C to +75°C.
- Storage Temperature: -40°C to +85°C (typical for industrial-grade components).
- Relative Humidity: 5% to 95% non-condensing (typical).
- Form Factor: Low-profile PCIe card (half-height bracket).
- Dimensions: Approx. 120 mm (L) × 68 mm (H) × 15 mm (D) (typical low-profile PCIe dimensions).
- Weight: Approx. 80–100 g (depending on bracket and connector).
- Material: PCB with industrial-grade components; metal bracket (nickel-plated steel).
4. Functionality
The PCard-E2041L-D4 functions as a multi-port serial communication interface card that expands a computer’s connectivity by adding four RS422/RS485 ports through a PCI Express slot. Once installed, the card allows the host system to communicate with multiple serial devices such as PLCs, sensors, motor controllers, barcode scanners, and industrial instruments.
Each port can be configured for either RS422 (full-duplex) or RS485 (half-duplex) operation, supporting both point-to-point and multi-drop network topologies. The card’s onboard UART controllers manage data transmission and reception, while 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 systems.
- Building management and HVAC control.
- Transportation and traffic monitoring systems.
- Energy management and smart grid communication.
- Embedded systems requiring multiple serial interfaces.
- Data acquisition and instrumentation.
- Machine-to-machine (M2M) communication.
Compatibility:
- Compatible with standard PCI Express slots (x1, x4, x8, x16).
- Supported operating systems typically include Windows, Linux, and other OSs with serial driver support.
- Compatible with industrial PCs, servers, and embedded controllers.
5. Components & Accessories
Included Items:
- PCard-E2041L-D4 PCIe card (low-profile bracket pre-installed).
- Standard-height bracket (optional, depending on package).
- Quick installation guide or user manual.
- Driver CD or downloadable driver package (depending on distribution).
Optional Accessories:
- DB44-to-4×DB9 or DB44-to-4×terminal block breakout cable (for individual port access).
- RS422/RS485 terminal adapters.
- Shielded serial cables for noise immunity in industrial environments.
Connectors:
- DB44 Male D-sub Connector: Provides all four serial channels through a single connector.
- PCIe Edge Connector: Gold-plated contacts for reliable electrical connection to the motherboard.
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 computer and disconnect it from the power source.
2. Remove the system cover and locate an available PCIe slot.
3. Insert the PCard-E2041L-D4 firmly into the slot and secure it with the bracket screw.
4. If required, replace the low-profile bracket with the standard-height bracket before installation.
5. Connect the DB44 breakout cable to access the four serial ports.
6. Power on the system and install the appropriate drivers.
7. Configure each port for RS422 or RS485 mode as needed (via software or jumper settings).
Configuration:
- Port parameters (baud rate, parity, stop bits, data bits) can be configured through the operating system’s device manager or serial configuration utility.
- RS422/RS485 mode selection may be software-controlled or hardware-selectable depending on the card’s internal jumper configuration.
Mounting Options:
- Fits standard and low-profile PCIe slots.
- Can be used in rackmount, desktop, or embedded chassis systems.
7. Performance & Capabilities
- Data Rate: Up to 921.6 kbit/s per port, supporting high-speed serial communication.
- Buffering: 128-byte FIFO per port ensures efficient data handling and reduces CPU overhead.
- Signal Integrity: ESD protection and robust PCB design minimize data errors and signal degradation.
- Reliability: Industrial-grade components ensure long-term stability under continuous operation.
- Efficiency: Low power consumption due to 3.3 V DC operation.
- Latency: Optimized for low-latency communication between host and serial devices.
- Limitations:
- Requires breakout cable for individual port access.
- RS232 not supported (RS422/RS485 only).
- Maximum baud rate limited to 921.6 kbit/s.
8. Standards & Compliance
- Interface Compliance: PCI Express Base Specification (Revision 1.1 or later).
- Serial Communication Standards: EIA/TIA RS422 and RS485 compliant.
- ESD Protection Standards: IEC 61000-4-2 (±15 kV air, ±8 kV contact).
- Environmental Compliance:
- RoHS (Restriction of Hazardous Substances) compliant.
- REACH compliant (where applicable).
- Safety and EMC: Designed to meet CE and FCC Class A/B requirements for electromagnetic compatibility.
- Temperature and Reliability Standards: Industrial-grade design validated for extended temperature operation (-40°C to +75°C).
9. Additional Information
Warranty:
- Typically covered by a 3-year limited manufacturer’s warranty (may vary by region).
- Warranty covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical support available via Oring’s website, email, or authorized distributors.
- Driver updates and documentation downloadable from the manufacturer’s support portal.
Maintenance:
- No routine maintenance required beyond standard dust removal and inspection.
- Ensure adequate airflow within the system chassis to maintain optimal operating temperature.
Firmware & Software Updates:
- Periodic driver and firmware updates may be released to enhance compatibility and performance.
- Compatible with standard serial communication software and diagnostic tools.
Service Life & Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Mean Time Between Failures (MTBF) estimated in hundreds of thousands of hours (typical for industrial-grade PCIe cards).
Environmental Considerations:
- Operates reliably in environments with wide temperature fluctuations and electrical noise.
- Suitable for use in control cabinets, factory floors, and transportation systems.
### Summary
The Oring PCard-E2041L-D4 is a robust, low-profile PCI Express card that delivers four high-speed RS422/RS485 serial ports in a compact, energy-efficient design. With advanced ESD protection, wide temperature tolerance, and industrial-grade reliability, it is ideally suited for automation, control, and communication systems that demand stable and secure serial connectivity. Its combination of high performance, flexible configuration, and compliance with industrial standards makes it a dependable solution for engineers and system integrators seeking to expand serial communication capabilities in modern industrial PCs and embedded platforms.
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