SUMMARY  |  ETHERNET TO DEVICENET  |  PROFIBUS-DP TO DEVICENET  
  J1939 TO MODBUS  |  ETHERNET TO J1939  

The BridgeWay J1939 to Modbus Interface (p/n AB7606) provides connectivity between a Modbus RTU (serial) network and a J1939 Heavy Duty vehicle (CAN) network. The JMI appears as a Modbus Slave device to a Modbus Master device, allowing the Modbus Master to read or write data from/to the J1939 network. Pyramid Solutions provides the JMI with a Windows-based configuration tool (BWConfig). This PC-based software allows the user to map J1939 parameter (PGN) data into a range of memory addressable through the JMI Modbus RTU interface.

Configuration of the JMI is simple using BWConfig and consists of setting up an I/O table containing selected J1939 PGNs and the rate that each will be read or written from the J1939 network. BWConfig will then automatically map the I/O table to a range of addresses accessible from the JMI Modbus RTU interface. The configuration is downloaded from the PC to the JMI via an RS232 connection and is saved in FLASH memory.

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Click here to access AB7606 files & information!

Example Use Cases

• Low-cost interface used on Oil & Gas equipment to access engine parameters from a Programmable Logic Controller (PLC)
• An on-vehicle gateway used to interface a J1939 network to an onboard industrial automation based control system

Key Features

• Configuration via Windows-based software tool (BWConfig)
• Supports FLASH field upgrades
• LED network and module status indicators
• DIN rail-mountable (included)
• Rugged extruded aluminum enclosure
• Brand label/OEM options
• Supports SAE J1939 (CAN) and Modbus RTU Slave (Serial RS485)

Target Industries & Application Examples

• Oil & Gas
• Marine
• Locomotive
• Defense
• Heavy Duty, Commercial, Construction & Agricultural Vehicles
• Electric Power Generation (Diesel Gen Sets)
• Water & Waste Water
• Engine Testing & Validation
• Monitoring & Control of systems supporting J1939

Specifications for J1939 to Modbus - Part# AB7606

• Mechanical Dimensions: L = 4.96” (126mm); W = 4.30” (109mm); H = 1.65” (42mm)
• Operating Voltage: 7 –32 VDC
• Operating Temperature: 0 - 70° C
• EMC Compliance: EN50081-2 and EN50082-2
• Certifications: CE & cULus