00194932-20 User Manual CAN Test Box-Error Frame Diagnostic unit_en.pdf - 第26页

1 - 26 SIPLACE CAN Bus Edition 10/2018 26 2.8.2 CAN Bus Short Circuit Fig. 2.8 - 4 Short circuit between CAN_H and GN D Fig. 2.8 - 5 Short circuit between CAN_L and GND CAN _H level CAN _L level CAN _H level CAN _L level

1 - 25

Edition 10/2018 SIPLACE CAN Bus

25

Fig. 2.8 - 2 Terminating resistor CAN BUS 120 Ohm

Fig. 2.8 - 3 Terminating resistor CAN BUS 40 Ohm

CAN _H level

CAN _L level

CAN _H level

CAN _L level

1 - 26

SIPLACE CAN Bus Edition 10/2018

26

2.8.2 CAN Bus Short Circuit

Fig. 2.8 - 4 Short circuit between CAN_H and GND

Fig. 2.8 - 5 Short circuit between CAN_L and GND

CAN _H level

CAN _L level

CAN _H level

CAN _L level

1 - 27

Edition 10/2018 SIPLACE CAN Bus

27

Fig. 2.8 - 6 Short circuit between CAN_H and CAN_L

2.8.3 CAN Telegrams With and Without Error Frames

Fig. 2.8 - 7 CAN telegram without errors

CAN _H level

CAN _L level

CAN _H level

CAN _L level

Error Frame Counter