AutoGRAPH ON-BOARD CONTROLLER • USER MANUAL
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TechnoKom © 2016
CAN Bus (SAE J1939 / FMS)
Depending on modification, AutoGRAPH controllers are equipped with one or two CAN buses:
•
AutoGRAPH-GSM controller is equipped with one CAN bus (CAN 1).
•
Controllers AutoGRAPH-GSM+, AutoGRAPH-GSM+WiFi and AutoGRAPH-WiFi are
equipped with two CAN buses (CAN1 and CAN2)
CAN1 bus is arranged on 6-pin CAN / RS-485 / Inputs 7-8 connector: pin 15 and pin 18.
CAN1 bus is arranged on 6-pin CAN / 1-Wire / Output 2 / Inputs 3-4 connector: pin 9 and pin
12.
CAN Bus (SAE J1939 / FMS) allows to connect the tracker to vehicle CAN bus and read
different data on vehicle operation. By default, the tracker supports SAE J1939 / FMS protocol
of CAN. However, advanced users can specify any other known protocol in the tracker and
operate with it. CAN Bus of the tracker can be configured using the GSMConf program or
remotely by means of control commands.
Additional CAN bus (CAN2) is intended only to receive data and can not be used for
communication with an external device.
Connection to CAN Bus (SAE J1939 / FMS)
CAN-L (low) (18)
YELLOW with WHITE STRIPE
CAN-H (high) (15)
GREEN with WHITE STRIPE
Connection diagram of CAN Bus 1
Connection diagram of CAN Bus 2
CAN2-L (low) (12)
YELLOW with WHITE STRIPE
CAN2-H (high) (9)
GREEN with WHITE STRIPE