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