LOOKING FOR THE RIGHT
INDUSTRIAL SOLUTION?
Discover embedded, communication and automation solutions tailored to your application.
- Dual Isolated Serial Ports: Provides two independent, fully isolated serial channels supporting RS-422 and RS-485 communication standards.
- PCI Express 2.0 Compliance: Fully compliant with PCI Express Specification Revision 2.0, ensuring compatibility with modern embedded and industrial computing platforms.
- High-Speed Serial Communication: Supports serial data rates up to 10 Mbps, suitable for high-throughput industrial communication.
- 16C550 Compatible UART: Incorporates a 16C550-compatible UART controller with 256-byte FIFO buffers, enabling efficient data handling and reduced CPU overhead.
- Electrical Isolation: Provides 2.5 kV HiPOT isolation between the host system and serial ports, compliant with IEC 60950-1:2005 + A1:2009 + A2:2013, ensuring protection against electrical surges and ground loops.
- ESD Protection: Meets EN61000-4-2 standards with 15 kV air discharge and 8 kV contact discharge protection, safeguarding against electrostatic discharge events.
- Termination Resistor Control: Configurable termination resistors via onboard DIP switch (SW1) for flexible RS-485/RS-422 line termination management.
- Industrial Temperature Range: Operates reliably in extreme environments with a wide temperature range of -40°C to +85°C.
- Durable Connector Interface: Features 30µ-inch gold-plated contacts for enhanced durability and signal integrity.
- Compact Form Factor: Mini PCIe form factor (30 x 50.9 x 12.55 mm) suitable for space-constrained embedded systems.
- Low Power Consumption: Typical power draw of 0.58 W (3.3V x 175 mA), optimized for energy-efficient operation.
- Long-Term Reliability: Backed by a 3-year warranty, ensuring long-term operational stability and manufacturer support.
- PCI Express 2.0 Compliance: Fully compliant with PCI Express Specification Revision 2.0, ensuring compatibility with modern embedded and industrial computing platforms.
- High-Speed Serial Communication: Supports serial data rates up to 10 Mbps, suitable for high-throughput industrial communication.
- 16C550 Compatible UART: Incorporates a 16C550-compatible UART controller with 256-byte FIFO buffers, enabling efficient data handling and reduced CPU overhead.
- Electrical Isolation: Provides 2.5 kV HiPOT isolation between the host system and serial ports, compliant with IEC 60950-1:2005 + A1:2009 + A2:2013, ensuring protection against electrical surges and ground loops.
- ESD Protection: Meets EN61000-4-2 standards with 15 kV air discharge and 8 kV contact discharge protection, safeguarding against electrostatic discharge events.
- Termination Resistor Control: Configurable termination resistors via onboard DIP switch (SW1) for flexible RS-485/RS-422 line termination management.
- Industrial Temperature Range: Operates reliably in extreme environments with a wide temperature range of -40°C to +85°C.
- Durable Connector Interface: Features 30µ-inch gold-plated contacts for enhanced durability and signal integrity.
- Compact Form Factor: Mini PCIe form factor (30 x 50.9 x 12.55 mm) suitable for space-constrained embedded systems.
- Low Power Consumption: Typical power draw of 0.58 W (3.3V x 175 mA), optimized for energy-efficient operation.
- Long-Term Reliability: Backed by a 3-year warranty, ensuring long-term operational stability and manufacturer support.
Comprehensive Product Summary: EMP2-X4S2-W1-A71 mPCIe to Two Isolated RS-422 & RS-485 Module
### 1. Product Overview
Product Name: mPCIe to Two Isolated RS-422 & RS-485 Module
Model Number: EMP2-X4S2-W1-A71
Series: EMP2-X4S2
Article Number: EMP2-X4S2-W1-A71
Manufacturer: Innodisk Corporation
Product Type: Mini PCI Express (mPCIe) serial communication expansion module
Product Category: Industrial communication interface module
The Innodisk EMP2-X4S2-W1-A71 is a compact, high-performance mPCIe module designed to provide two isolated serial communication ports supporting both RS-422 and RS-485 standards. It is engineered for industrial-grade applications requiring reliable, high-speed, and noise-immune serial connectivity in embedded systems, automation controllers, and industrial PCs.
### 2. Key Features
- Dual Isolated Serial Ports: Provides two independent, fully isolated serial channels supporting RS-422 and RS-485 communication standards.
- PCI Express 2.0 Compliance: Fully compliant with PCI Express Specification Revision 2.0, ensuring compatibility with modern embedded and industrial computing platforms.
- High-Speed Serial Communication: Supports serial data rates up to 10 Mbps, suitable for high-throughput industrial communication.
- 16C550 Compatible UART: Incorporates a 16C550-compatible UART controller with 256-byte FIFO buffers, enabling efficient data handling and reduced CPU overhead.
- Electrical Isolation: Provides 2.5 kV HiPOT isolation between the host system and serial ports, compliant with IEC 60950-1:2005 + A1:2009 + A2:2013, ensuring protection against electrical surges and ground loops.
- ESD Protection: Meets EN61000-4-2 standards with 15 kV air discharge and 8 kV contact discharge protection, safeguarding against electrostatic discharge events.
- Termination Resistor Control: Configurable termination resistors via onboard DIP switch (SW1) for flexible RS-485/RS-422 line termination management.
- Industrial Temperature Range: Operates reliably in extreme environments with a wide temperature range of -40°C to +85°C.
- Durable Connector Interface: Features 30µ-inch gold-plated contacts for enhanced durability and signal integrity.
- Compact Form Factor: Mini PCIe form factor (30 x 50.9 x 12.55 mm) suitable for space-constrained embedded systems.
- Low Power Consumption: Typical power draw of 0.58 W (3.3V x 175 mA), optimized for energy-efficient operation.
- Long-Term Reliability: Backed by a 3-year warranty, ensuring long-term operational stability and manufacturer support.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Form Factor | Mini PCI Express (mPCIe) |
| Interface (Input) | PCI Express 2.0 |
| Interface (Output) | RS-422 x 2, RS-485 x 2 |
| Output Connector Type | DB-9 x 4 |
| Data Rate | Up to 10 Mbps |
| UART Compatibility | 16C550 compatible, 256-byte FIFO |
| Isolation Voltage | 2.5 kV HiPOT (IEC 60950-1 compliant) |
| ESD Protection | EN61000-4-2: Air 15 kV, Contact 8 kV |
| Termination Control | DIP switch selectable termination resistor |
| Power Consumption (TDP) | 0.58 W (3.3V x 175 mA) |
| Dimensions (W x L x H) | 30 mm x 50.9 mm x 12.55 mm |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000 Hz |
| Shock Resistance | 50G @ 0.5 ms |
| Contact Material | 30µ-inch gold-plated contacts |
| Warranty | 3 years |
| Driver Support | Windows XP (32-bit), Windows 7/8/8.1/10 (32/64-bit), WES7, CE7.0, Linux Kernel 2.6.x and above |
| Driver Availability | Downloadable from MyInnodisk website |
| Compliance Standards | PCI Express 2.0, IEC 60950-1, EN61000-4-2 |
| Product Code | EMP2-X4S2-W1-A71 |
### 4. Functionality
The EMP2-X4S2-W1-A71 functions as a serial communication expansion module that converts a Mini PCI Express interface into two isolated serial ports supporting RS-422 and RS-485 protocols.
Operational Principle:
- The module interfaces with the host system via the PCI Express 2.0 bus, providing high-speed data transfer between the CPU and the serial ports.
- Each port can be configured for RS-422 (full-duplex) or RS-485 (half-duplex) operation, depending on the connected device and communication requirements.
- Electrical isolation ensures that voltage spikes, ground potential differences, or noise from external equipment do not affect the host system.
- The onboard DIP switch (SW1) allows users to enable or disable termination resistors, optimizing signal integrity for different cable lengths and network topologies.
Use Cases and Applications:
- Industrial automation and control systems
- Embedded computing platforms requiring serial communication
- Data acquisition and monitoring systems
- Machine-to-machine (M2M) communication
- Transportation and energy management systems
- Industrial PCs and panel PCs
- Communication gateways and protocol converters
Compatibility:
- Compatible with a wide range of operating systems, including Windows and Linux distributions.
- Suitable for integration into embedded boards, industrial motherboards, and systems with available mPCIe slots.
### 5. Components & Accessories
Included Components:
- EMP2-X4S2-W1-A71 mPCIe module
- DB-9 connector interface (x4) for RS-422/RS-485 ports
- Quick installation guide or datasheet (depending on packaging)
Optional Accessories (available separately):
- Serial communication cables (DB-9 male/female)
- Mounting screws or brackets for system integration
- Driver and software utilities (available for download from Innodisk’s website)
Connectors and Pin Assignments:
| RS-485/RS-422 Full Duplex | Pin | RS-485 Half Duplex |
|-------------------------------|----------|------------------------|
| TX+ | 1 | D+ |
| RX+ | 3 | D- |
| GND | 4 | GND |
| RX- | 5 | — |
| TX- | 6 | — |
| — | 9 | — |
This pin configuration allows flexible wiring for both full-duplex and half-duplex communication modes.
### 6. Installation & Setup
System Requirements:
- Host system with an available Mini PCI Express slot (full or half-size depending on mounting configuration).
- Supported operating system (Windows XP/7/8/10, WES7, CE7.0, or Linux Kernel 2.6.x and above).
Installation Steps:
1. Power off the host system and disconnect it from the power source.
2. Insert the EMP2-X4S2-W1-A71 module into the available mPCIe slot, ensuring proper alignment of the golden fingers.
3. Secure the module using the provided mounting screw or bracket.
4. Connect the DB-9 cables to the serial ports as required.
5. Power on the system and install the appropriate driver from the MyInnodisk website.
6. Configure the serial ports through the operating system’s device manager or terminal interface.
7. Use the onboard DIP switch (SW1) to enable or disable termination resistors depending on the network configuration.
Mounting Options:
- Direct insertion into embedded boards or industrial PCs with mPCIe slots.
- Can be used in systems supporting internal expansion modules for serial communication.
Configuration:
- DIP switch selectable termination for RS-485/RS-422 lines.
- Software configuration for baud rate, parity, stop bits, and flow control via driver interface.
### 7. Performance & Capabilities
Speed and Throughput:
- Supports serial communication speeds up to 10 Mbps, enabling high-speed data exchange for industrial and embedded applications.
Capacity and Efficiency:
- 256-byte FIFO buffers per port reduce CPU load and improve data handling efficiency.
- Low power consumption (0.58 W) ensures minimal thermal output and energy efficiency.
Isolation and Protection:
- 2.5 kV isolation prevents electrical interference and protects both the host system and connected devices.
- ESD protection up to 15 kV (air) and 8 kV (contact) ensures robust operation in electrically noisy environments.
Environmental Performance:
- Designed for harsh industrial environments with wide temperature tolerance (-40°C to +85°C).
- Resistant to vibration (5G @ 7–2000 Hz) and shock (50G @ 0.5 ms), ensuring reliability in mobile or ruggedized systems.
Limitations:
- Limited to two serial ports; additional modules required for higher port density.
- Requires driver installation for full functionality under supported operating systems.
### 8. Standards & Compliance
Regulatory and Safety Compliance:
- PCI Express Specification Rev. 2.0 – Ensures electrical and mechanical compatibility with PCIe-based systems.
- IEC 60950-1:2005 + A1:2009 + A2:2013 – Safety standard for information technology equipment, ensuring electrical isolation and user protection.
- EN61000-4-2 – Electromagnetic compatibility (EMC) standard for ESD immunity, ensuring reliable operation in industrial environments.
Environmental and Reliability Standards:
- Designed for industrial-grade operation with extended temperature and vibration/shock resistance.
- Manufactured under Innodisk’s quality management system, ensuring consistent performance and reliability.
Industry Standards Supported:
- RS-422 and RS-485 serial communication protocols.
- 16C550 UART compatibility for broad software and hardware interoperability.
### 9. Additional Information
Warranty:
- 3-year limited warranty covering manufacturing defects and performance reliability under normal operating conditions.
Technical Support:
- Global support network with regional offices in Taiwan, USA, Europe, Japan, and China.
- Technical assistance available via email and phone.
Contact Information:
- Headquarters (Taiwan):
5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist., New Taipei City 221, Taiwan
Tel: +886-2-7703-3000
Email: sales@innodisk.com
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-040-282-1818
- Japan: jpsales@innodisk.com | +81-3-6667-0161
- China: sales_cn@innodisk.com | +86-755-21673689
Website: [www.innodisk.com](http://www.innodisk.com)
Maintenance and Updates:
- Firmware and driver updates available through the MyInnodisk portal.
- Regular driver updates ensure compatibility with new operating systems and kernel versions.
- Recommended to periodically check for updated drivers and documentation.
Product Lifecycle and Availability:
- Designed for long-term availability to support industrial and embedded system lifecycles.
- Specifications subject to change without prior notice (as per manufacturer’s policy).
Revision History:
- Document version dated October 18, 2016.
- Product specifications and compliance information current as of that date.
### Summary
The Innodisk EMP2-X4S2-W1-A71 is a robust, industrial-grade Mini PCI Express module that provides two isolated RS-422/RS-485 serial communication ports. Engineered for reliability, it combines high-speed data transfer (up to 10 Mbps), electrical isolation, and ESD protection in a compact form factor. Its compliance with PCI Express 2.0 and industrial safety standards ensures seamless integration into embedded and industrial systems. With wide temperature tolerance, low power consumption, and flexible configuration options, the EMP2-X4S2-W1-A71 is an ideal solution for industrial automation, embedded control, and data communication applications requiring durable and isolated serial connectivity.
### 1. Product Overview
Product Name: mPCIe to Two Isolated RS-422 & RS-485 Module
Model Number: EMP2-X4S2-W1-A71
Series: EMP2-X4S2
Article Number: EMP2-X4S2-W1-A71
Manufacturer: Innodisk Corporation
Product Type: Mini PCI Express (mPCIe) serial communication expansion module
Product Category: Industrial communication interface module
The Innodisk EMP2-X4S2-W1-A71 is a compact, high-performance mPCIe module designed to provide two isolated serial communication ports supporting both RS-422 and RS-485 standards. It is engineered for industrial-grade applications requiring reliable, high-speed, and noise-immune serial connectivity in embedded systems, automation controllers, and industrial PCs.
### 2. Key Features
- Dual Isolated Serial Ports: Provides two independent, fully isolated serial channels supporting RS-422 and RS-485 communication standards.
- PCI Express 2.0 Compliance: Fully compliant with PCI Express Specification Revision 2.0, ensuring compatibility with modern embedded and industrial computing platforms.
- High-Speed Serial Communication: Supports serial data rates up to 10 Mbps, suitable for high-throughput industrial communication.
- 16C550 Compatible UART: Incorporates a 16C550-compatible UART controller with 256-byte FIFO buffers, enabling efficient data handling and reduced CPU overhead.
- Electrical Isolation: Provides 2.5 kV HiPOT isolation between the host system and serial ports, compliant with IEC 60950-1:2005 + A1:2009 + A2:2013, ensuring protection against electrical surges and ground loops.
- ESD Protection: Meets EN61000-4-2 standards with 15 kV air discharge and 8 kV contact discharge protection, safeguarding against electrostatic discharge events.
- Termination Resistor Control: Configurable termination resistors via onboard DIP switch (SW1) for flexible RS-485/RS-422 line termination management.
- Industrial Temperature Range: Operates reliably in extreme environments with a wide temperature range of -40°C to +85°C.
- Durable Connector Interface: Features 30µ-inch gold-plated contacts for enhanced durability and signal integrity.
- Compact Form Factor: Mini PCIe form factor (30 x 50.9 x 12.55 mm) suitable for space-constrained embedded systems.
- Low Power Consumption: Typical power draw of 0.58 W (3.3V x 175 mA), optimized for energy-efficient operation.
- Long-Term Reliability: Backed by a 3-year warranty, ensuring long-term operational stability and manufacturer support.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Form Factor | Mini PCI Express (mPCIe) |
| Interface (Input) | PCI Express 2.0 |
| Interface (Output) | RS-422 x 2, RS-485 x 2 |
| Output Connector Type | DB-9 x 4 |
| Data Rate | Up to 10 Mbps |
| UART Compatibility | 16C550 compatible, 256-byte FIFO |
| Isolation Voltage | 2.5 kV HiPOT (IEC 60950-1 compliant) |
| ESD Protection | EN61000-4-2: Air 15 kV, Contact 8 kV |
| Termination Control | DIP switch selectable termination resistor |
| Power Consumption (TDP) | 0.58 W (3.3V x 175 mA) |
| Dimensions (W x L x H) | 30 mm x 50.9 mm x 12.55 mm |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000 Hz |
| Shock Resistance | 50G @ 0.5 ms |
| Contact Material | 30µ-inch gold-plated contacts |
| Warranty | 3 years |
| Driver Support | Windows XP (32-bit), Windows 7/8/8.1/10 (32/64-bit), WES7, CE7.0, Linux Kernel 2.6.x and above |
| Driver Availability | Downloadable from MyInnodisk website |
| Compliance Standards | PCI Express 2.0, IEC 60950-1, EN61000-4-2 |
| Product Code | EMP2-X4S2-W1-A71 |
### 4. Functionality
The EMP2-X4S2-W1-A71 functions as a serial communication expansion module that converts a Mini PCI Express interface into two isolated serial ports supporting RS-422 and RS-485 protocols.
Operational Principle:
- The module interfaces with the host system via the PCI Express 2.0 bus, providing high-speed data transfer between the CPU and the serial ports.
- Each port can be configured for RS-422 (full-duplex) or RS-485 (half-duplex) operation, depending on the connected device and communication requirements.
- Electrical isolation ensures that voltage spikes, ground potential differences, or noise from external equipment do not affect the host system.
- The onboard DIP switch (SW1) allows users to enable or disable termination resistors, optimizing signal integrity for different cable lengths and network topologies.
Use Cases and Applications:
- Industrial automation and control systems
- Embedded computing platforms requiring serial communication
- Data acquisition and monitoring systems
- Machine-to-machine (M2M) communication
- Transportation and energy management systems
- Industrial PCs and panel PCs
- Communication gateways and protocol converters
Compatibility:
- Compatible with a wide range of operating systems, including Windows and Linux distributions.
- Suitable for integration into embedded boards, industrial motherboards, and systems with available mPCIe slots.
### 5. Components & Accessories
Included Components:
- EMP2-X4S2-W1-A71 mPCIe module
- DB-9 connector interface (x4) for RS-422/RS-485 ports
- Quick installation guide or datasheet (depending on packaging)
Optional Accessories (available separately):
- Serial communication cables (DB-9 male/female)
- Mounting screws or brackets for system integration
- Driver and software utilities (available for download from Innodisk’s website)
Connectors and Pin Assignments:
| RS-485/RS-422 Full Duplex | Pin | RS-485 Half Duplex |
|-------------------------------|----------|------------------------|
| TX+ | 1 | D+ |
| RX+ | 3 | D- |
| GND | 4 | GND |
| RX- | 5 | — |
| TX- | 6 | — |
| — | 9 | — |
This pin configuration allows flexible wiring for both full-duplex and half-duplex communication modes.
### 6. Installation & Setup
System Requirements:
- Host system with an available Mini PCI Express slot (full or half-size depending on mounting configuration).
- Supported operating system (Windows XP/7/8/10, WES7, CE7.0, or Linux Kernel 2.6.x and above).
Installation Steps:
1. Power off the host system and disconnect it from the power source.
2. Insert the EMP2-X4S2-W1-A71 module into the available mPCIe slot, ensuring proper alignment of the golden fingers.
3. Secure the module using the provided mounting screw or bracket.
4. Connect the DB-9 cables to the serial ports as required.
5. Power on the system and install the appropriate driver from the MyInnodisk website.
6. Configure the serial ports through the operating system’s device manager or terminal interface.
7. Use the onboard DIP switch (SW1) to enable or disable termination resistors depending on the network configuration.
Mounting Options:
- Direct insertion into embedded boards or industrial PCs with mPCIe slots.
- Can be used in systems supporting internal expansion modules for serial communication.
Configuration:
- DIP switch selectable termination for RS-485/RS-422 lines.
- Software configuration for baud rate, parity, stop bits, and flow control via driver interface.
### 7. Performance & Capabilities
Speed and Throughput:
- Supports serial communication speeds up to 10 Mbps, enabling high-speed data exchange for industrial and embedded applications.
Capacity and Efficiency:
- 256-byte FIFO buffers per port reduce CPU load and improve data handling efficiency.
- Low power consumption (0.58 W) ensures minimal thermal output and energy efficiency.
Isolation and Protection:
- 2.5 kV isolation prevents electrical interference and protects both the host system and connected devices.
- ESD protection up to 15 kV (air) and 8 kV (contact) ensures robust operation in electrically noisy environments.
Environmental Performance:
- Designed for harsh industrial environments with wide temperature tolerance (-40°C to +85°C).
- Resistant to vibration (5G @ 7–2000 Hz) and shock (50G @ 0.5 ms), ensuring reliability in mobile or ruggedized systems.
Limitations:
- Limited to two serial ports; additional modules required for higher port density.
- Requires driver installation for full functionality under supported operating systems.
### 8. Standards & Compliance
Regulatory and Safety Compliance:
- PCI Express Specification Rev. 2.0 – Ensures electrical and mechanical compatibility with PCIe-based systems.
- IEC 60950-1:2005 + A1:2009 + A2:2013 – Safety standard for information technology equipment, ensuring electrical isolation and user protection.
- EN61000-4-2 – Electromagnetic compatibility (EMC) standard for ESD immunity, ensuring reliable operation in industrial environments.
Environmental and Reliability Standards:
- Designed for industrial-grade operation with extended temperature and vibration/shock resistance.
- Manufactured under Innodisk’s quality management system, ensuring consistent performance and reliability.
Industry Standards Supported:
- RS-422 and RS-485 serial communication protocols.
- 16C550 UART compatibility for broad software and hardware interoperability.
### 9. Additional Information
Warranty:
- 3-year limited warranty covering manufacturing defects and performance reliability under normal operating conditions.
Technical Support:
- Global support network with regional offices in Taiwan, USA, Europe, Japan, and China.
- Technical assistance available via email and phone.
Contact Information:
- Headquarters (Taiwan):
5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist., New Taipei City 221, Taiwan
Tel: +886-2-7703-3000
Email: sales@innodisk.com
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-040-282-1818
- Japan: jpsales@innodisk.com | +81-3-6667-0161
- China: sales_cn@innodisk.com | +86-755-21673689
Website: [www.innodisk.com](http://www.innodisk.com)
Maintenance and Updates:
- Firmware and driver updates available through the MyInnodisk portal.
- Regular driver updates ensure compatibility with new operating systems and kernel versions.
- Recommended to periodically check for updated drivers and documentation.
Product Lifecycle and Availability:
- Designed for long-term availability to support industrial and embedded system lifecycles.
- Specifications subject to change without prior notice (as per manufacturer’s policy).
Revision History:
- Document version dated October 18, 2016.
- Product specifications and compliance information current as of that date.
### Summary
The Innodisk EMP2-X4S2-W1-A71 is a robust, industrial-grade Mini PCI Express module that provides two isolated RS-422/RS-485 serial communication ports. Engineered for reliability, it combines high-speed data transfer (up to 10 Mbps), electrical isolation, and ESD protection in a compact form factor. Its compliance with PCI Express 2.0 and industrial safety standards ensures seamless integration into embedded and industrial systems. With wide temperature tolerance, low power consumption, and flexible configuration options, the EMP2-X4S2-W1-A71 is an ideal solution for industrial automation, embedded control, and data communication applications requiring durable and isolated serial connectivity.
-
EMP2-X4S2_Datasheet.pdf
PDF Catalog
No accessories available.