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Selco M2500 - SAE J1939 CAN Bus Specifications; RS485 Modbus Specifications

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SELCO A/S M2500 Installation Manual
Revision: 23-04-2012 Page 36
SAE J1939, CAN Bus:
Connection: Screw terminal connector, 3-wire with COM (Isolated)
Distance: Max. 40m
Protocol: SAE J1939
Speed: 250Kbit/s
Termination: 120 ohm termination
RS485, Modbus:
Connection: Screw terminal connector, 3-wire with COM (Isolated)
Distance: Max. 500m
Protocol: Modbus RTU
Speed: 19200 bit/s
Termination: 120 ohm termination
USB:
Connection: USB type B socket (Female connector), USB 2.0 Full speed
Device,
Mass storage device for configuration, inspection of log files and
other diagnostics information.

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