I-2533T-FD ( CAN/CAN FD to Multi-mode Fiber Bridge ) User Manual (version 1.0.0)
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3. Network Deployment
3.1. Driving Capability
Before introducing the driving capability of the I-2533T-FD, some characteristics of
copper cable must be assumed. The AC parameters are 120Ω impedance and 5ms/,
line delay, and the DC parameter follows the table show below.
Table 3-1-1 Recommended DC parameter for CAN Bus Line
Wire Cross-Section [mm
2
]
Resistance [
Ω/km]
~0.25 (AWG23)
< 90
~0.5 (AWG20)
< 50
~0.8 (AWG18)
< 33
~1.3 (AWG16)
< 20
Under the condition described above, users can refer to the following table to know
the maximum node number in each segment following ISO 11898-2 and the maximum
segment length when using different type of wire.
Table 3-1-2 Driving Capability
Wire Cross-Section
[mm
2
]
The maximum segment length [m] under the case of
specific node number in this segment
16 Nodes
32 Nodes
64 Nodes
100 Nodes
~0.25 (AWG23)
< 220
< 200
< 170
< 150
~0.5 (AWG20)
< 390
< 360
< 310
< 270
~0.8 (AWG18)
< 590
< 550
< 470
< 410
~1.3 (AWG16)
< 980
< 900
< 780
< 670
