Network Deployment; Driving Capability - ICP DAS USA I-2533 User Manual

3 Network Deployment

3.1 Driving Capability

Before introducing the driving capability of I-2533, some characteristics of
copper cable must be assumed. The AC parameters are 120Ω impedance and
5 ns/m line delay, and the DC parameter follows the table shown below.
Table 3-1 Recommended DC parameters for CAN Bus Line
Wire Cross-Section [mm
Under the conditions described above, users can refer to the following
table to know the maximum node numbers in each segment following ISO
11898-2 and the maximum segment length when using different type of wire.
Wire Cross-
Section [mm2]
~0.25 (AWG23)
~0.5 (AWG20)
~0.8 (AWG18)
~1.3 (AWG16)
~0.25 (AWG23)
~0.5 (AWG20)
~0.8 (AWG18)
~1.3 (AWG16)
Table 3-2 Driving Capability
The maximum segment length [m] under the
case of specific node number in this segment
16 Nodes
< 220
< 390
< 590
< 980
I-2533 User Manual (ver. 1.1, 2013/05/31) ------15
2 Resistance [Ω/km]
]
< 90
< 50
< 33
< 20
32 Nodes 64 Nodes
< 200 < 170
< 360 < 310
< 550 < 470
< 900 < 780
100 Nodes
< 150
< 270
< 410
< 670