Anybus X-gateway – Modbus RTU Slave – J1939

J1939 interface

• SAE J1939 network interface with a unique network address in accordance to the J1939-81 specification
• Max 496 bytes of I/O Input data and 492 bytes of I/O Output Data
• Up to 120 PGN's monitored by Input data points
• Up to 100 PGN's  transmitted by Output data points  
• Supports J1939 network baud rates of 250K and 500K
• Transmission and reception of all types of fixed-length J1939 messages, including PDU1, PDU2, broadcast and destination specific
• Monitoring of DM1 (active diagnostics) and DM2 (previously active diagnostics) messages
• Complete network address management including address claim, protection, and yield on higher priority conflict
• Network address can be self-configurable over a range of addresses
• J1939 Transport Protocol for transmission and reception of large messages (9 - 1785 bytes). Both connection based (RTS/CTS) and broadcast (BAM) are supported
• Configurable CAN bus-off reset option will reset the network interface and attempt to return to online when a CAN bus-off condition is detected
• 1x 5-pole 5.08 mm Phoenix pluggable screw connector for J1939

Modbus RTU interface

• Modbus RTU slave
• RS-485 half-duplex (2 wire) serial interface
• Configurable baud rates of 4800, 9600, and 19200 bps
• Configurable for no, odd, or even parity and 1 or 2 stop bits
• Support of all commonly used Modbus functions for reading and writing I/O data and diagnostics
• Overall module, Modbus, and J1939 status and diagnostics accessible through Modbus diagnostic functions and addressable registers.

Technical specifications