Maximum Distance And Number Of Connected Units For Types Of; Maximum Distance And Number Of Connected Units For Types Of Communications Cables - Omron CRT1 - 10-2009 Operation Manual

Communications Cable
2-3-3

Maximum Distance and Number of Connected Units for Types of

Communications Cables
Master Unit
Repeater
Unit
Slave Units
Terminating
Resistor
Baud Rate of 4 Mbps (No Branching, See note.)
Note
Baud Rate of 3 Mbps
40
The maximum cable lengths for each segment are shown below, along with
the maximum number of Slave Units that can be connected. Do not exceed
these limits.
Branch line length
Branch
line length
Item
Length per trunk line or sub-trunk line
Branch line length
Total branch line length
Restrictions on branch line locations
Number of Slave Units (including Repeater
Units)
Bit Slave Units come with Flat Cable and cannot be connected. Also, there is
no applicable connector for multidrop connections for Flat Cable II, and there-
fore multidrop connection cannot be made.
Item
Length per trunk line or sub-trunk line
Branch line length
Total branch line length
Restrictions on branch line locations
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)
Trunk line length
Branch line
length
Branch
line length
Round cable I/II
30 m (90 m)
Lines cannot be branched from the
trunk line. (Only multidrop connections
are possible from the trunk line or sub-
trunk lines.)
32
Round cable I/II
30 m (90 m)
0.5 m
8 m
3/m
1
Not supported.
Not supported.
32
Section 2-3
Branch
line length
Sub-branch
line length
Flat Cable I
30 m (90 m)
32
Flat Cable I/II
30 m (90 m)
0.5 m
8 m
3/m
1
Not supported.
Not supported.
32