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Embedded Common Ethernet Module slave interface

Anybus CompactCom B40 Common Ethernet Module brick for PCB-assembly

The Anybus CompactCom B40 for Common Ethernet is a complete embedded Industrial Ethernet communication plug-in modul which enables your products to communicate on an Common Ethernet network. The module acts as a Common Ethernet slave interface and supports fast communication speeds, making it suitable also for high-end industrial devices.
Anybus CompactCom B40 - Common Ethernet
Primary network
Anybus CompactCom B40 - Common Ethernet
Anybus CompactCom B40 - Common Ethernet

Add your own connectors and peripherals

The B40 Brick is a brick for PCB-assembly and gives you the flexibility to add your own connectors and network isolation. An alternative is to use the ready-made connector boards from HMS. The B40 Brick is ideal for embedded device manufacturers who are looking for a semi-integrated solution where connector flexibility, size and cost are key elements.

Interchangeable with other networks

By implementing the CompactCom B40 into your product line, you will have instant embedded access to any other industrial network by simply plugging in another Anybus brick .

Get real-time Common Ethernet communication

The Anybus CompactCom B40 enables fast communication between your device and the Common Ethernet network. The industrial ethernet-protocols PROFINET, EtherCAT, EtherNet/IP, Modbus TCP, Powerlink and CC-Link IE Field are via firmware-download available. The module supports generic device profiles and comes with a dual port switch implemented in the network processor — the award-winning Anybus NP40. With its fast data transfer and very low latency, it's the perfect match for even the most demanding industrial applications.

Features and benefits

  • A ready-made embedded Common Ethernet slave interface for PCB assembly
  • Easy mounting to your host PCB design
  • Pre-certified for network compliance (enables faster network certification)
  • Fast data transfer: Up to 1500 bytes of process data in each direction, Up to 1500 bytes of explicit messaging
  • Very low latency
  • Event-based interface method enables easy access to input and output data at any time
  • Fast, event-based application hardware interfaces: 8/16-bit parallel and highspeed SPI. I/O (shift register interface) is also available
  • IIoT ready: (EoE) Includes Email Client, Web server with customizable content, SSI functionality and FTP server
  • Extended flash-based file system with two-disc access (internal and external)
  • Transparent Socket Interface handling the complete Ethernet frame (support for 20 socket connections)
  • Solid security: Mandatory software signatures prevent unauthorized software to be downloaded to the module. Furthermore, encryption is used to prevent illicit copying
  • Short in-design with free assistance from Twincomm and HMS ensures a fast time to market

Common Ethernet Slave Interface

  • Supports PROFINET, EtherCAT, EtherNet/IP, Modbus TCP, Powerlink and CC-Link IE Field via firmaware-download (only one protocol at the same time)
  • Per required protocol a license is needed
  • See other M40 versions for specific network features available through Anybus CompactCom
Technical specifications
Dimensions (L•W•H) 36 x 36 x 8 mm
Operating temperature -40 to +85 °C
Power requirements 3.3 VDC, ±0.15 VDC
Application Interface 8/16-bit parallel (30 ns access)
High speed SPI, baudrate configurable up to 20 MHz
I/O (shift register interface, cyclical update time 82 μs)
UART (for backwards compatibility with 30-series, max 625kbps)
Profile support Generic device
Ethernet features Transparent socket interface
Support of HTTP forwarding via socket interface
Integrated 2-port switch
IT functions (FTP server, E-mail client, web server with JSON and SSI support)
Internal file system  Configurable up to 28 MB
Two discs are available: One internal (28 MB capacity), and one reserved for accessing
the application file system (capacity determined by application)
LED indicators Available via host connector - Indicates Module Status and Network Status
Connectors N/A - 2x RJ45 100 Mbit/s on optional connector board
Galvanic isolation N/A - Available on optioneel connector board
Mechanical rating IP20, NEMA rating 1
Mounting PCB mount via B40 pcb/pcb connector (1.27mm pitch) and M3 screws
Certifications CE, CULUS, RoHS

Part number(s)

Anybus CompactCom B40 Common Ethernet Module
Anybus CompactCom B40 Common Ethernet Module


Anybus CompactCom Connector Board EtherNet
Anybus CompactCom Connector Board EtherNet


Module is without an Industrial Ethernet protocol. For every desired protocol is an additional protocol-license required.

Getting interested?

Are you interested in the Embedded Common Ethernet Module slave interface? Please request, without any obligation, for a quote. Would you like more information? Please send an email to or visit our contact page.
You can call us if you like, we can be reached at +31-40-2301.922. We are pleased to help you and do offer you practical advice and support.

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