Anybus CompactCom B40 Modbus Serial Interface - EtherNet/IP

The CompactCom 40 Modbus Serial network communication module is an easy to use low cost communication solution for simple industrial field devices. The product combines the simplicity of the Modbus Serial protocol with the flexibility of the Anybus NP40 technology. It is perfect for applications like basic level I/O blocks, temperature controllers, measuring devices, sensors and other devices where size, implementation effort and time is an issue.

Features & Benefits

  • Simple implementation and great connectivity flexibility
  • Serial Communications Interface (UART-interface)
  • Standard Modbus RTU serial protocol 
  • Galvanic isolation integrated for a safe and simple in-design
  • Low power consumption
  • Precertified technology makes certification a nonissue
  • Short in-design with free technical support from HMS ensures a fast time to market

Technical specifications

Dimensions  (L•W•H)
36 x 36 x 8 mm or 1,41 x 1,41 x 0,31"
Operating temperature -40 to +85 °C  or  -40 to +185 °F
Power requirements 3.3 VDC, +/- 0.15 VDC
Application Interface
Serial Communications Interface (UART-interface) 
Protocol Modbus RTU
Ethernet features Integrated 2-port switch, IT functions 
Connectors No: Add your own network connectors - YES: via B40 connector board
Galvanic isolation
No: Add your own isolation - YES: via B40 connector board
Mechanical rating IP20, NEMA rating 1
Certifications CE, CULUS, RoHS

Connector Boards

The brick is mounted on the host PCB to enable communication with the chosen network. HMS offers connector boards for all supported networks to facilitate your indesign. By just switching to another Brick and connector board, you can get connected to any of the other industrial networks with the same hardware



Order information

Order code AB6791 - CompactCom B40 Modbus Serial Interface for EtherNet/IP

Purchasing instructions and terms and conditions:  How to buy