11
CompoNet Network Specifications Section 1-2
■ Baud Rate of 93.75 kbps
Note This is the maximum number of Slave Units and Repeater Units combined
that can be connected to a branch line by using multidrop connections and/or
T-branching. T-branching creates a sub-branch.
1-2-2 Branch Line Support for Cable Types and Baud Rates
Support for branch lines from the trunk line or sub-trunk lines and support for
sub-branch lines from branch lines is listed in the following tables.
■ Baud Rate of 4 Mbps (No Branch Lines)
Note A baud rate of 4 Mbit/s is not supported for branch lines and thus
cannot be used for Slave Units with Cables (i.e., Bit Slave Units).
The network must consist of only Word Slave Units and DCN4-
MD4 Multidrop Connectors must be used for Flat Cable I and Flat
Cable II cables.
■ Baud Rate of 3 Mbps
■ Baud Rate of 1.5 Mbps
■ Baud Rate of 93.75 kbps
Item Round Cable I or II Flat Cable I or II
Length per trunk line or sub-trunk line(maximum
length with two Repeater Units)
500 m (1500 m) Unrestricted wiring is enabled
for a total length of 200 m.
Branch line length 6 m
Total branch line length 120 m
Restrictions on branch line locations 3 branches / m
Number of Units per branch (See note.) 1
Maximum sub-branch line length ---
Total sub-branch line length ---
Number of Slave Units (including Repeater Units)
per trunk line or sub-trunk line
32 32
Cable Branch lines Sub-branch lines
Round Cable I Not supported Not supported
Round Cable II, Flat Cable I, or Flat
Cable II
Not supported Not supported
Cable Branch lines Sub-branch lines
Round Cable I Supported Not supported
Round Cable II, Flat Cable I, or Flat
Cable II
Supported Not supported
Cable Branch lines Sub-branch lines
Round Cable I 100 m max. Not supported Not supported
30 m max. Supported
Round Cable II, Flat Cable I, or Flat
Cable II
Supported Supported
Cable Branch lines Sub-branch lines
Round Cable I Supported Not supported
Round Cable II, Flat Cable I, or
Flat Cable II
Supported (no restrictions)
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