User's Manual

User Manual VC-EVCC

5.2.1.2.1 Configuration of CAN1 – J1939 CAN Baud Rate

It is possible to configure the baud rate of the VC-EVCC for the J1939 vehicle CAN.

By using the diagnostic service “Read Data By Identifier” (0x22) – DID 0xFD00 it is possible

to read the current configured J1939 CAN baud rate.

By using the diagnostic service “Write Data By Identifier” (0x2E) – DID 0xFD00 it is possible

to write the J1939 CAN baud rate.

Note

An update of the parameter requires a reboot of the VC-EVCC to be applicable.

The diagnostic service “Write Data By Identifier” is only available in the application

extended session.

The service structure is defined as 1 byte, whereas the upper 6 bits are set to 0.

Value

Description

0x00

250 kBaud is configured (default)

0x01

500 kBaud is configured

0x02

1 MBaud is configured

Table 5-4 CAN1 J1939 Baud Rate Configuration on UDS Channel