PCAN-Router DR – User Manual
13
Figure 1: Switch on the circuit board for the termination of the CAN channels
CAN Connector Switching Block
Name
Off (default) Active
CAN 1 term. CAN-1 No internal
termination
120 between
CAN_L and CAN_H
CAN 2 term. CAN-2 No internal
termination
120 between
CAN_L and CAN_H
3.5 Signal Delay
The signal delay at forwarding of a CAN message consists of a fixed
processing time of the microcontroller of about 30 μs and a variable
delay depending on message length and transfer rate. Thus, the
signal delay of a CAN message with an 11-bit ID and eight data
bytes at 500 kbit/s is about 260 μs.
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