Comprehensive Product Summary: EGPC-B1S1-W1-A71 – M.2 2242 to Single Isolated CAN Bus Module

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### 1. Product Overview

Product Name: M.2 2242 to Single Isolated CAN Bus Module
Model: EGPC-B1S1-W1-A71
Series: EGPC-B1S1
Article Number: EGPC-B1S1-W1-A71
Manufacturer: Innodisk Corporation
Country of Manufacture: Taiwan
Product Type: Industrial-grade M.2 2242 expansion module for CAN bus communication
Release Date: February 20, 2021

The Innodisk EGPC-B1S1-W1-A71 is a compact, high-reliability M.2 2242 form-factor module designed to provide a single isolated CAN bus interface for embedded and industrial computing systems. It bridges PCI Express 1.1 connectivity with CAN bus 2.0B communication, offering robust isolation, wide temperature tolerance, and compliance with multiple international standards. This module is engineered for industrial automation, transportation, and embedded control systems requiring reliable, high-speed CAN communication in harsh environments.

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### 2. Key Features

- PCI Express 1.1 Compliance: Ensures compatibility with standard M.2 B-M key slots supporting PCIe 1.1 interface.
- CAN Bus 2.0B Support: Fully compliant with ISO 11898-1 and backward compatible with CAN 2.0A, enabling seamless integration with existing CAN networks.
- Wide Baud Rate Range: Supports configurable baud rates of 10K, 20K, 50K, 100K, 250K, 500K, 800K, and 1000Kbps, allowing flexible deployment across various industrial communication speeds.
- Electrical Isolation: Provides galvanic isolation between the CAN transceiver and host system, enhancing protection against voltage surges and ground loops.
- 2.5kV HiPOT Protection: High isolation voltage ensures safety and signal integrity in electrically noisy environments.
- ESD Protection: Compliant with EN61000-4-2 standards, offering ±15kV air discharge and ±8kV contact discharge protection.
- Termination Resistor Control: Onboard slide switch allows enabling or disabling of the 120Ω termination resistor for flexible network configuration.
- Industrial Temperature Range: Operates reliably from -40°C to +85°C, suitable for rugged and outdoor applications.
- Durable Gold Finger Contacts: 30 micro-inch gold plating ensures long-term reliability and corrosion resistance.
- Linux SocketCAN Support: Native compatibility with Linux SocketCAN framework for easy integration into open-source and industrial Linux systems.
- Windows Compatibility: Supports Windows 7, 8/8.1, and 10 (32/64-bit) with downloadable drivers and APIs from the MyInnodisk portal.
- Compact M.2 2242 Form Factor: Space-efficient design ideal for embedded systems, industrial PCs, and compact controllers.
- Industrial Design and Manufacturing: Designed and produced by Innodisk in Taiwan, ensuring high quality and consistency.
- 3-Year Warranty: Backed by Innodisk’s industrial-grade warranty for long-term reliability.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Form Factor | M.2 2242 B-M key |
| Input Interface | PCI Express 1.1 |
| Output Interface | CAN bus 2.0B (backward compatible with 2.0A) |
| Output Connector | DB-9 female connector x 1 |
| Power Consumption | Maximum 2.5W (3.3V, 742mA) |
| Dimensions (W x L x H) | 22 mm x 42 mm x 4.8 mm |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000Hz |
| Shock Resistance | 50G @ 0.5ms |
| Isolation Voltage | 2.5kV HiPOT |
| ESD Protection | EN61000-4-2: Air ±15kV, Contact ±8kV |
| Termination Resistor | 120Ω, switchable (ON/OFF) |
| Gold Finger Plating | 30µ” (micro-inch) |
| Compliance Standards | ISO 11898-1, IEC 60950-1:2005 + A1:2009 + A2:2013, EN61000-4-2 |
| Operating Systems Supported | Windows 7/8/8.1/10 (32/64-bit), Linux Kernel 2.6.38+ (SocketCAN) |
| Driver & API Availability | Downloadable from MyInnodisk website |
| Warranty | 3 years |

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### 4. Functionality

The EGPC-B1S1-W1-A71 functions as a bridge between a host system’s PCI Express interface and a single isolated CAN bus channel. Installed in an M.2 2242 B-M slot, it enables the host to communicate with CAN-enabled devices such as sensors, controllers, and actuators.

Operational Principle:
- The module receives PCIe signals from the host system and translates them into CAN bus frames compliant with ISO 11898-1.
- Electrical isolation ensures that any voltage spikes or ground potential differences on the CAN network do not affect the host system.
- The onboard termination resistor can be toggled via a slide switch to match network topology requirements.
- The CAN interface supports message filtering and standard CAN 2.0B frame formats, ensuring compatibility with both legacy and modern CAN devices.

Use Cases and Applications:
- Industrial automation and control systems
- Factory equipment monitoring
- Transportation and automotive diagnostics
- Building management systems
- Robotics and motion control
- Embedded computing platforms requiring CAN communication
- Data acquisition and sensor networks

Compatibility:
- Compatible with embedded PCs, industrial motherboards, and systems featuring M.2 2242 B-M key slots supporting PCIe 1.1.
- Works with both Windows and Linux operating systems, with dedicated driver and API support.

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### 5. Components & Accessories

Included Components:
- EGPC-B1S1-W1-A71 M.2 2242 module
- DB-9 CAN connector interface
- 3-pin CAN connector (optional interface)
- Onboard slide switch for termination resistor control
- Documentation and driver download instructions (via MyInnodisk portal)

Connector Pin Definitions:

3-Pin CAN Connector:
| Pin | Signal | Description |
|-----|---------|-------------|
| 1 | CAN-L | CAN Low signal line |
| 2 | CAN-H | CAN High signal line |
| 3 | GND | Ground reference |

DB-9 CAN Connector:
| Pin | Signal | Description |
|-----|---------|-------------|
| 1 | NC | Not connected |
| 2 | CAN-L | CAN Low |
| 3 | GND | Ground |
| 4 | NC | Not connected |
| 5 | NC | Not connected |
| 6 | NC | Not connected |
| 7 | CAN-H | CAN High |
| 8 | NC | Not connected |
| 9 | NC | Not connected |

Slide Switch (Termination Resistor Control):
| Position | Function |
|-----------|-----------|
| 1 | ON (120Ω termination enabled) |
| 3 | OFF (termination disabled) |

Optional Accessories:
- CAN bus cables (DB-9 to open wire or DB-9 to DB-9)
- Mounting screws for M.2 slot installation
- Software development kit (SDK) and API libraries (downloadable)

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### 6. Installation & Setup

System Requirements:
- Host system with available M.2 2242 B-M key slot supporting PCIe 1.1 interface
- Operating system: Windows 7/8/8.1/10 (32/64-bit) or Linux Kernel 2.6.38+
- Power supply capable of providing 3.3V at up to 742mA

Installation Steps:
1. Power off the host system and ensure anti-static precautions are taken.
2. Insert the EGPC-B1S1-W1-A71 module into the M.2 2242 slot, aligning the B-M key notch.
3. Secure the module using the appropriate mounting screw.
4. Connect the CAN bus cable to the DB-9 connector.
5. Configure the termination resistor using the onboard slide switch as required by the network topology.
6. Power on the system and install the appropriate driver from the MyInnodisk website.
7. Verify device recognition in the operating system and configure CAN parameters (baud rate, filters, etc.) using provided utilities or SocketCAN tools.

Configuration:
- Baud rate and message filtering can be configured via software utilities or API.
- Linux users can utilize SocketCAN tools such as `candump`, `cansend`, and `ip link` for configuration and testing.
- Windows users can use Innodisk’s driver package and API for integration into custom applications.

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### 7. Performance & Capabilities

Communication Speed:
Supports baud rates from 10Kbps up to 1Mbps, covering a wide range of industrial and automotive CAN applications.

Isolation and Protection:
2.5kV isolation ensures robust protection against electrical transients, while ESD protection up to ±15kV (air) and ±8kV (contact) safeguards against electrostatic discharge events.

Power Efficiency:
Consumes a maximum of 2.5W, making it suitable for low-power embedded systems.

Environmental Robustness:
Designed for industrial-grade operation with wide temperature tolerance (-40°C to +85°C), high vibration resistance (5G), and shock endurance (50G).

Reliability:
Gold-plated contacts and industrial-grade components ensure long-term stability and minimal signal degradation.

Limitations:
- Single CAN channel (no multi-channel support)
- Requires host system with PCIe 1.1 support
- No onboard CAN transceiver redundancy

Despite these limitations, the module provides exceptional reliability and performance for single-channel CAN applications.

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### 8. Standards & Compliance

Electrical and Safety Standards:
- PCI Express 1.1: Ensures interoperability with standard PCIe-based M.2 interfaces.
- ISO 11898-1: Defines the CAN protocol standard for data link and physical layer compatibility.
- CAN 2.0B: Supports extended frame format and backward compatibility with CAN 2.0A.
- IEC 60950-1:2005 + A1:2009 + A2:2013: Safety standard for information technology equipment.
- EN61000-4-2: Electromagnetic compatibility (EMC) standard for ESD immunity.

Environmental and Industrial Compliance:
- Designed for industrial temperature range (-40°C to +85°C).
- Meets vibration and shock resistance requirements for industrial environments.
- Manufactured under Innodisk’s ISO-certified quality management system.

Regulatory Compliance:
- CE and RoHS compliant (based on Innodisk’s standard manufacturing practices).
- Conforms to international safety and EMC directives applicable to industrial communication modules.

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### 9. Additional Information

Warranty:
3-year limited warranty covering manufacturing defects and performance reliability under specified operating conditions.

Support and Maintenance:
- Technical support available through Innodisk’s global offices (Taiwan, USA, Europe, Japan, China).
- Software drivers, APIs, and documentation available for download from the MyInnodisk website.
- Firmware and driver updates provided periodically to ensure compatibility with new operating systems and kernel versions.

Maintenance Recommendations:
- Ensure proper grounding and ESD precautions during installation.
- Periodically inspect connectors for dust or corrosion.
- Maintain adequate ventilation in the host system to ensure thermal stability.
- Use only certified CAN cables and connectors to maintain signal integrity.

Contact Information:

Headquarters (Taiwan):
Innodisk Corporation
5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist., New Taipei City 221, Taiwan
Tel: +886-2-7703-3000
Email: sales@innodisk.com
Website: [www.innodisk.com](https://www.innodisk.com)

Regional Offices:
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-40-3045-400
- Japan: jpsales@innodisk.com | +81-3-6667-0161
- China: sales_cn@innodisk.com | +86-755-2167-3689

Revision and Disclaimer:
© 2020 Innodisk Corporation. All rights reserved. Specifications are subject to change without prior notice.
Document revision date: February 20, 2021.

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### Summary

The Innodisk EGPC-B1S1-W1-A71 is a high-performance, industrial-grade M.2 2242 module that provides a single isolated CAN bus interface through a PCI Express 1.1 connection. Engineered for reliability, it features 2.5kV isolation, wide temperature operation, and robust ESD protection, making it ideal for demanding industrial and embedded applications. With support for CAN 2.0B, Linux SocketCAN, and Windows drivers, it offers flexible integration across multiple platforms. Its compact design, configurable termination, and compliance with international standards make it a dependable solution for modern industrial communication systems.