ICP DAS USA I-2532 User Manual page 9

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In the CAN bus specifications, the bus line of CAN_H and CAN_L must be
terminated by a terminal resistance (R
resistance between CAN_H and CAN_L should be 60 . There are some
examples below.
Case1: R = 120Ω
T
CAN_H
R
T
CAN_L
Case3: R = 180Ω, R
T1
CAN_H
R
T1
CAN_L
I-2532 CAN to Fiber Converter User Manual (ver. 1.1, 2008/10/03) ------9
) for proper operation. The equivalent
T
Case2: R
T
R R
T T
CAN_L
= 120Ω
T2
R
T1
I-2532
R
T1
Figure 2-5 Terminal Resistance
= 180Ω
CAN_H
R
T
Fiber
R
I-2532
R
T
R
T2
T2