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- Dual Isolated Serial Ports: Provides two independent serial communication channels configurable as RS‑232, RS‑422, or RS‑485 interfaces.
- High Electrical Isolation: 3 kV isolation between ports and system bus ensures protection against ground loops, surges, and electrical noise.
- Enhanced ESD Protection: Built‑in electrostatic discharge protection rated at 15 kV (air discharge) and 8 kV (contact discharge) for reliable operation in electrically noisy environments.
- Low‑Profile PCIe Form Factor: Compact design suitable for small form factor PCs, embedded systems, and industrial computers with limited expansion space.
- High Data Throughput: Supports baud rates up to 921.6 kbit/s, enabling fast and stable data transmission for demanding serial applications.
- Large FIFO Buffer: 128‑byte FIFO per port for efficient data handling and reduced CPU overhead during high‑speed communication.
- Single Power Requirement: Operates solely from the PCIe 3.3 V DC power rail, simplifying system power design and reducing energy consumption.
- Wide Operating Temperature Range: Designed for industrial environments with an extended temperature range from ‑40 °C to +75 °C.
- Universal Compatibility: Fully compliant with PCI Express specifications, ensuring compatibility with a wide range of operating systems and hardware platforms.
- Durable Industrial Design: Built with high‑quality components and robust PCB layout to ensure long‑term reliability and signal integrity.
- High Electrical Isolation: 3 kV isolation between ports and system bus ensures protection against ground loops, surges, and electrical noise.
- Enhanced ESD Protection: Built‑in electrostatic discharge protection rated at 15 kV (air discharge) and 8 kV (contact discharge) for reliable operation in electrically noisy environments.
- Low‑Profile PCIe Form Factor: Compact design suitable for small form factor PCs, embedded systems, and industrial computers with limited expansion space.
- High Data Throughput: Supports baud rates up to 921.6 kbit/s, enabling fast and stable data transmission for demanding serial applications.
- Large FIFO Buffer: 128‑byte FIFO per port for efficient data handling and reduced CPU overhead during high‑speed communication.
- Single Power Requirement: Operates solely from the PCIe 3.3 V DC power rail, simplifying system power design and reducing energy consumption.
- Wide Operating Temperature Range: Designed for industrial environments with an extended temperature range from ‑40 °C to +75 °C.
- Universal Compatibility: Fully compliant with PCI Express specifications, ensuring compatibility with a wide range of operating systems and hardware platforms.
- Durable Industrial Design: Built with high‑quality components and robust PCB layout to ensure long‑term reliability and signal integrity.
1. Product Overview
Name: PCI Express Serial Communication Card – Low Profile Isolated Dual RS232 Interface
Model: PCard‑E1021L‑I‑D5
Series: PCard‑E1000 Industrial Communication Series
Article Number: PCard‑E1021L‑I‑D5
Manufacturer: Oring Industrial Networking Corp.
The PCard‑E1021L‑I‑D5 is a high‑performance, industrial‑grade PCI Express (PCIe) communication interface card designed to provide two isolated serial ports supporting RS‑232, RS‑422, and RS‑485 communication standards. Engineered for reliability, electrical isolation, and robust performance in harsh industrial environments, this low‑profile PCIe card enables seamless integration of legacy serial devices into modern computing platforms. It is particularly suited for industrial automation, data acquisition, control systems, and embedded computing applications requiring stable, isolated, and high‑speed serial communication.
2. Key Features
- Dual Isolated Serial Ports: Provides two independent serial communication channels configurable as RS‑232, RS‑422, or RS‑485 interfaces.
- High Electrical Isolation: 3 kV isolation between ports and system bus ensures protection against ground loops, surges, and electrical noise.
- Enhanced ESD Protection: Built‑in electrostatic discharge protection rated at 15 kV (air discharge) and 8 kV (contact discharge) for reliable operation in electrically noisy environments.
- Low‑Profile PCIe Form Factor: Compact design suitable for small form factor PCs, embedded systems, and industrial computers with limited expansion space.
- High Data Throughput: Supports baud rates up to 921.6 kbit/s, enabling fast and stable data transmission for demanding serial applications.
- Large FIFO Buffer: 128‑byte FIFO per port for efficient data handling and reduced CPU overhead during high‑speed communication.
- Single Power Requirement: Operates solely from the PCIe 3.3 V DC power rail, simplifying system power design and reducing energy consumption.
- Wide Operating Temperature Range: Designed for industrial environments with an extended temperature range from ‑40 °C to +75 °C.
- Universal Compatibility: Fully compliant with PCI Express specifications, ensuring compatibility with a wide range of operating systems and hardware platforms.
- Durable Industrial Design: Built with high‑quality components and robust PCB layout to ensure long‑term reliability and signal integrity.
3. Technical Specifications
- Bus Interface: PCI Express (PCIe) x1, compliant with PCI Express Base Specification.
- Number of Ports: 2 independent serial ports.
- Interface Standards: RS‑232 / RS‑422 / RS‑485 (software or jumper selectable depending on configuration).
- Connector Type: 1 × DB‑44 male D‑sub connector (breakout cable provides two serial ports).
- Isolation Voltage: 3 kV (port‑to‑system isolation).
- ESD Protection: ±15 kV (air discharge), ±8 kV (contact discharge).
- FIFO Buffer: 128 bytes per port (transmit and receive).
- Maximum Baud Rate: Up to 921.6 kbit/s.
- Power Requirement: +3.3 V DC from PCIe slot (no external power supply required).
- Operating Temperature: ‑40 °C to +75 °C.
- Storage Temperature: Typically ‑40 °C to +85 °C (based on industrial design standards).
- Relative Humidity: 5 % to 95 % non‑condensing (typical industrial specification).
- Form Factor: Low‑profile PCIe card (half‑height bracket).
- Dimensions: Approx. 120 mm × 68 mm (typical low‑profile PCIe dimensions).
- Weight: Approx. 80 g (card only, excluding accessories).
- Material: Multi‑layer FR‑4 PCB with gold‑plated edge connector and industrial‑grade components.
4. Functionality
The PCard‑E1021L‑I‑D5 functions as a dual‑port serial communication interface that allows a host computer to connect to and control serial devices through the PCI Express bus. Each port can be configured for RS‑232, RS‑422, or RS‑485 operation, enabling flexible integration with a wide range of industrial and commercial equipment such as PLCs, sensors, controllers, barcode scanners, and instrumentation devices.
Operational Principle:
- The card interfaces with the host system via the PCIe x1 slot, appearing as two independent COM ports in the operating system.
- Each port transmits and receives serial data according to the selected communication standard.
- The onboard isolation circuitry provides galvanic separation between the host and the serial lines, protecting both sides from voltage spikes and ground potential differences.
- The integrated ESD protection ensures stable operation even in environments with high electromagnetic interference (EMI).
Use Cases and Applications:
- Industrial automation and process control systems.
- SCADA (Supervisory Control and Data Acquisition) networks.
- Embedded computing and industrial PCs.
- Data acquisition and monitoring systems.
- Serial device networking and legacy equipment integration.
- Laboratory instrumentation and test setups.
- Transportation, energy, and utility control 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 both desktop and rack‑mount industrial PCs with low‑profile PCIe slots.
5. Components & Accessories
Included Items:
- 1 × PCard‑E1021L‑I‑D5 PCIe card (low‑profile).
- 1 × Low‑profile bracket (pre‑installed or included separately).
- 1 × DB‑44 male to dual DB‑9 or terminal block breakout cable (depending on configuration).
- 1 × Quick installation guide or user manual.
- 1 × Driver and utility software (on CD or downloadable).
Optional Accessories:
- Full‑height bracket (for standard PCIe slots).
- Additional breakout cables for RS‑232/422/485 configurations.
- Terminal block adapters for direct wiring.
- Shielded serial cables for EMI‑sensitive environments.
Connectors:
- Host Interface: PCIe x1 edge connector (gold‑plated contacts).
- Serial Interface: DB‑44 male D‑sub connector providing two isolated serial channels.
6. Installation & Setup
System Requirements:
- Available PCI Express x1 slot (compatible with x4, x8, or x16 slots).
- Operating system with PCIe serial port driver support (Windows, Linux, or equivalent).
- 3.3 V DC power supplied through the PCIe bus.
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‑E1021L‑I‑D5 firmly into the slot, ensuring proper alignment.
4. Secure the card using the bracket screw.
5. Connect the breakout cable to the DB‑44 connector.
6. Replace the system cover and power on the computer.
7. Install the appropriate driver software provided by Oring.
8. Verify that the new COM ports appear in the device manager or system configuration utility.
Configuration:
- Port mode (RS‑232/422/485) can be configured via software or hardware jumpers (depending on model revision).
- Baud rate, parity, stop bits, and flow control are adjustable through standard serial communication settings.
- Isolation and ESD protection are hardware‑implemented and require no configuration.
Mounting Options:
- Low‑profile bracket for compact systems.
- Optional full‑height bracket for standard desktop or rack‑mount PCs.
7. Performance & Capabilities
- Data Rate: Up to 921.6 kbit/s per port, supporting both asynchronous and synchronous serial communication.
- Buffering: 128‑byte FIFO reduces CPU load and ensures smooth data flow even under high‑speed conditions.
- Isolation: 3 kV galvanic isolation prevents data corruption and protects equipment from transient voltages.
- ESD Immunity: ±15 kV (air) and ±8 kV (contact) protection ensures long‑term reliability in industrial environments.
- Power Efficiency: Operates entirely from the PCIe 3.3 V rail, consuming minimal power and generating low heat.
- Thermal Stability: Maintains consistent performance across a wide temperature range (‑40 °C to +75 °C).
- Signal Integrity: Differential signaling and isolation design minimize noise and crosstalk between channels.
- Reliability: Industrial‑grade components and PCB design ensure continuous operation in 24/7 systems.
Limitations:
- Limited to two serial ports per card; additional cards required for higher port density.
- Maximum baud rate of 921.6 kbit/s may not support ultra‑high‑speed serial protocols.
- Requires appropriate breakout cable for full RS‑422/485 functionality.
8. Standards & Compliance
- PCI Express Compliance: Conforms to PCI Express Base Specification Revision 1.1 or later.
- Serial Communication Standards: Fully compliant with EIA/TIA‑232, EIA/TIA‑422, and EIA/TIA‑485 standards.
- Isolation and Safety: 3 kV isolation tested according to industrial safety standards.
- ESD Protection: Meets IEC 61000‑4‑2 Level 4 (±15 kV air, ±8 kV contact).
- Environmental Compliance:
- RoHS (Restriction of Hazardous Substances) compliant.
- REACH compliant.
- EMC Compliance: Designed to meet CE and FCC Class A/B electromagnetic compatibility requirements.
- Temperature and Reliability Standards: Designed for industrial temperature range (‑40 °C to +75 °C) per IEC 60068‑2 environmental testing standards.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 2 to 5 years depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical support available via Oring’s global support network.
- Online resources include driver downloads, installation guides, and FAQs.
- Firmware and driver updates provided through the manufacturer’s website.
Maintenance:
- No routine maintenance required; passive cooling and solid‑state design ensure long‑term reliability.
- Periodic inspection of connectors and cables recommended in harsh environments.
- Ensure proper grounding and shielding for optimal performance.
Software & Updates:
- Compatible with standard serial communication APIs and drivers.
- Supports Windows (7/8/10/11), Linux kernel serial drivers, and other OS platforms.
- Driver updates and utilities available for download from Oring’s official support portal.
Service Life & Reliability:
- Designed for continuous industrial operation with MTBF exceeding 100,000 hours (typical).
- High‑quality components ensure stable performance over extended deployment periods.
Environmental Considerations:
- Low power consumption and RoHS compliance reduce environmental impact.
- Compact design minimizes material usage and supports sustainable system integration.
### Summary
The Oring PCard‑E1021L‑I‑D5 is a robust, low‑profile PCI Express communication card engineered for industrial and embedded applications requiring reliable, isolated serial connectivity. Featuring two independent RS‑232/422/485 ports, 3 kV isolation, and advanced ESD protection, it ensures safe and stable data transmission even in electrically harsh environments. With support for baud rates up to 921.6 kbit/s, a 128‑byte FIFO buffer, and operation across a wide temperature range (‑40 °C to +75 °C), the card delivers exceptional performance and durability. Its low‑profile design, single 3.3 V power requirement, and compliance with major industry standards make it an ideal solution for modern industrial PCs, automation systems, and data communication networks requiring dependable serial connectivity.
Name: PCI Express Serial Communication Card – Low Profile Isolated Dual RS232 Interface
Model: PCard‑E1021L‑I‑D5
Series: PCard‑E1000 Industrial Communication Series
Article Number: PCard‑E1021L‑I‑D5
Manufacturer: Oring Industrial Networking Corp.
The PCard‑E1021L‑I‑D5 is a high‑performance, industrial‑grade PCI Express (PCIe) communication interface card designed to provide two isolated serial ports supporting RS‑232, RS‑422, and RS‑485 communication standards. Engineered for reliability, electrical isolation, and robust performance in harsh industrial environments, this low‑profile PCIe card enables seamless integration of legacy serial devices into modern computing platforms. It is particularly suited for industrial automation, data acquisition, control systems, and embedded computing applications requiring stable, isolated, and high‑speed serial communication.
2. Key Features
- Dual Isolated Serial Ports: Provides two independent serial communication channels configurable as RS‑232, RS‑422, or RS‑485 interfaces.
- High Electrical Isolation: 3 kV isolation between ports and system bus ensures protection against ground loops, surges, and electrical noise.
- Enhanced ESD Protection: Built‑in electrostatic discharge protection rated at 15 kV (air discharge) and 8 kV (contact discharge) for reliable operation in electrically noisy environments.
- Low‑Profile PCIe Form Factor: Compact design suitable for small form factor PCs, embedded systems, and industrial computers with limited expansion space.
- High Data Throughput: Supports baud rates up to 921.6 kbit/s, enabling fast and stable data transmission for demanding serial applications.
- Large FIFO Buffer: 128‑byte FIFO per port for efficient data handling and reduced CPU overhead during high‑speed communication.
- Single Power Requirement: Operates solely from the PCIe 3.3 V DC power rail, simplifying system power design and reducing energy consumption.
- Wide Operating Temperature Range: Designed for industrial environments with an extended temperature range from ‑40 °C to +75 °C.
- Universal Compatibility: Fully compliant with PCI Express specifications, ensuring compatibility with a wide range of operating systems and hardware platforms.
- Durable Industrial Design: Built with high‑quality components and robust PCB layout to ensure long‑term reliability and signal integrity.
3. Technical Specifications
- Bus Interface: PCI Express (PCIe) x1, compliant with PCI Express Base Specification.
- Number of Ports: 2 independent serial ports.
- Interface Standards: RS‑232 / RS‑422 / RS‑485 (software or jumper selectable depending on configuration).
- Connector Type: 1 × DB‑44 male D‑sub connector (breakout cable provides two serial ports).
- Isolation Voltage: 3 kV (port‑to‑system isolation).
- ESD Protection: ±15 kV (air discharge), ±8 kV (contact discharge).
- FIFO Buffer: 128 bytes per port (transmit and receive).
- Maximum Baud Rate: Up to 921.6 kbit/s.
- Power Requirement: +3.3 V DC from PCIe slot (no external power supply required).
- Operating Temperature: ‑40 °C to +75 °C.
- Storage Temperature: Typically ‑40 °C to +85 °C (based on industrial design standards).
- Relative Humidity: 5 % to 95 % non‑condensing (typical industrial specification).
- Form Factor: Low‑profile PCIe card (half‑height bracket).
- Dimensions: Approx. 120 mm × 68 mm (typical low‑profile PCIe dimensions).
- Weight: Approx. 80 g (card only, excluding accessories).
- Material: Multi‑layer FR‑4 PCB with gold‑plated edge connector and industrial‑grade components.
4. Functionality
The PCard‑E1021L‑I‑D5 functions as a dual‑port serial communication interface that allows a host computer to connect to and control serial devices through the PCI Express bus. Each port can be configured for RS‑232, RS‑422, or RS‑485 operation, enabling flexible integration with a wide range of industrial and commercial equipment such as PLCs, sensors, controllers, barcode scanners, and instrumentation devices.
Operational Principle:
- The card interfaces with the host system via the PCIe x1 slot, appearing as two independent COM ports in the operating system.
- Each port transmits and receives serial data according to the selected communication standard.
- The onboard isolation circuitry provides galvanic separation between the host and the serial lines, protecting both sides from voltage spikes and ground potential differences.
- The integrated ESD protection ensures stable operation even in environments with high electromagnetic interference (EMI).
Use Cases and Applications:
- Industrial automation and process control systems.
- SCADA (Supervisory Control and Data Acquisition) networks.
- Embedded computing and industrial PCs.
- Data acquisition and monitoring systems.
- Serial device networking and legacy equipment integration.
- Laboratory instrumentation and test setups.
- Transportation, energy, and utility control 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 both desktop and rack‑mount industrial PCs with low‑profile PCIe slots.
5. Components & Accessories
Included Items:
- 1 × PCard‑E1021L‑I‑D5 PCIe card (low‑profile).
- 1 × Low‑profile bracket (pre‑installed or included separately).
- 1 × DB‑44 male to dual DB‑9 or terminal block breakout cable (depending on configuration).
- 1 × Quick installation guide or user manual.
- 1 × Driver and utility software (on CD or downloadable).
Optional Accessories:
- Full‑height bracket (for standard PCIe slots).
- Additional breakout cables for RS‑232/422/485 configurations.
- Terminal block adapters for direct wiring.
- Shielded serial cables for EMI‑sensitive environments.
Connectors:
- Host Interface: PCIe x1 edge connector (gold‑plated contacts).
- Serial Interface: DB‑44 male D‑sub connector providing two isolated serial channels.
6. Installation & Setup
System Requirements:
- Available PCI Express x1 slot (compatible with x4, x8, or x16 slots).
- Operating system with PCIe serial port driver support (Windows, Linux, or equivalent).
- 3.3 V DC power supplied through the PCIe bus.
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‑E1021L‑I‑D5 firmly into the slot, ensuring proper alignment.
4. Secure the card using the bracket screw.
5. Connect the breakout cable to the DB‑44 connector.
6. Replace the system cover and power on the computer.
7. Install the appropriate driver software provided by Oring.
8. Verify that the new COM ports appear in the device manager or system configuration utility.
Configuration:
- Port mode (RS‑232/422/485) can be configured via software or hardware jumpers (depending on model revision).
- Baud rate, parity, stop bits, and flow control are adjustable through standard serial communication settings.
- Isolation and ESD protection are hardware‑implemented and require no configuration.
Mounting Options:
- Low‑profile bracket for compact systems.
- Optional full‑height bracket for standard desktop or rack‑mount PCs.
7. Performance & Capabilities
- Data Rate: Up to 921.6 kbit/s per port, supporting both asynchronous and synchronous serial communication.
- Buffering: 128‑byte FIFO reduces CPU load and ensures smooth data flow even under high‑speed conditions.
- Isolation: 3 kV galvanic isolation prevents data corruption and protects equipment from transient voltages.
- ESD Immunity: ±15 kV (air) and ±8 kV (contact) protection ensures long‑term reliability in industrial environments.
- Power Efficiency: Operates entirely from the PCIe 3.3 V rail, consuming minimal power and generating low heat.
- Thermal Stability: Maintains consistent performance across a wide temperature range (‑40 °C to +75 °C).
- Signal Integrity: Differential signaling and isolation design minimize noise and crosstalk between channels.
- Reliability: Industrial‑grade components and PCB design ensure continuous operation in 24/7 systems.
Limitations:
- Limited to two serial ports per card; additional cards required for higher port density.
- Maximum baud rate of 921.6 kbit/s may not support ultra‑high‑speed serial protocols.
- Requires appropriate breakout cable for full RS‑422/485 functionality.
8. Standards & Compliance
- PCI Express Compliance: Conforms to PCI Express Base Specification Revision 1.1 or later.
- Serial Communication Standards: Fully compliant with EIA/TIA‑232, EIA/TIA‑422, and EIA/TIA‑485 standards.
- Isolation and Safety: 3 kV isolation tested according to industrial safety standards.
- ESD Protection: Meets IEC 61000‑4‑2 Level 4 (±15 kV air, ±8 kV contact).
- Environmental Compliance:
- RoHS (Restriction of Hazardous Substances) compliant.
- REACH compliant.
- EMC Compliance: Designed to meet CE and FCC Class A/B electromagnetic compatibility requirements.
- Temperature and Reliability Standards: Designed for industrial temperature range (‑40 °C to +75 °C) per IEC 60068‑2 environmental testing standards.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 2 to 5 years depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical support available via Oring’s global support network.
- Online resources include driver downloads, installation guides, and FAQs.
- Firmware and driver updates provided through the manufacturer’s website.
Maintenance:
- No routine maintenance required; passive cooling and solid‑state design ensure long‑term reliability.
- Periodic inspection of connectors and cables recommended in harsh environments.
- Ensure proper grounding and shielding for optimal performance.
Software & Updates:
- Compatible with standard serial communication APIs and drivers.
- Supports Windows (7/8/10/11), Linux kernel serial drivers, and other OS platforms.
- Driver updates and utilities available for download from Oring’s official support portal.
Service Life & Reliability:
- Designed for continuous industrial operation with MTBF exceeding 100,000 hours (typical).
- High‑quality components ensure stable performance over extended deployment periods.
Environmental Considerations:
- Low power consumption and RoHS compliance reduce environmental impact.
- Compact design minimizes material usage and supports sustainable system integration.
### Summary
The Oring PCard‑E1021L‑I‑D5 is a robust, low‑profile PCI Express communication card engineered for industrial and embedded applications requiring reliable, isolated serial connectivity. Featuring two independent RS‑232/422/485 ports, 3 kV isolation, and advanced ESD protection, it ensures safe and stable data transmission even in electrically harsh environments. With support for baud rates up to 921.6 kbit/s, a 128‑byte FIFO buffer, and operation across a wide temperature range (‑40 °C to +75 °C), the card delivers exceptional performance and durability. Its low‑profile design, single 3.3 V power requirement, and compliance with major industry standards make it an ideal solution for modern industrial PCs, automation systems, and data communication networks requiring dependable serial connectivity.
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