Specifications 8-3
© 2012 HMS Industrial Networks AB
Doc.Id. HMSI-168-25
I/O Data Sizes
2048 bytes maximum in the Input table
2048 bytes maximum in the Output table
200 total data points (input plus output)
Up to 120 different PGN’s may be monitored by input data points
Up to 100 different PGN’s may be transmitted by output data points
Modbus Specifications
Communication Mode
Modbus RTU slave.
Serial Interface
Baud rate:
4800, 9600, or 19200
Parity:
None, Even, or Odd
Stop bits:
1 or 2
J1939 Specifications
Message Types
Supports transmission and reception of the following message types:
•PDU1 destination specific
•PDU1 broadcast
•PDU2
Addressing
Claims and protects a single configurable address.
Self-configurable using a list of addresses.
Transport Protocol Sessions
Support of J1939 transport protocol for large messages with the following limita-
tions:
•Single outgoing session (either BAM or RTS/CTS).
•35 concurrent incoming sessions (any mixture of BAM and RTS/CTS).