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(b) Communication specifications list of T-branch connection
The following table lists the communication specifications for the T-branch connection.
For the communication specifications not listed in the following table, refer to the performance specifications.
( Page 21, Section 3.2)
Item
Transmission speed
Maximum length of the
main line
Maximum length of the
branch line
Overall branch line
length
Maximum number of
modules on the branch
line
Connection cable
Ver.1.10-compatible CC-Link dedicated cable
• Terminal block
Commercially available terminal block
• Connector
T-branch terminal
FA sensor connector NECA4202
block/connector
(IEC947-5-2) or equivalent is recommended.
(NECA: Nippon Electric Control Equipment Industries
Association Standards)
Ver.1.10-compatible CC-Link dedicated cable (Terminating resistors of 110 are used.)
Maximum length of the
main line, length
Transmission speed
between two T-branch
lines, and station-to-
625kbps
station distance
156kbps
Terminating
resistor
R
(Branch line length: 8m or shorter)
52
Specifications
625kbps
100m
8m
50m
6 modules/branch
Maximum length of the
main line
100m
500m
Maximum length of the main line (the branch line length excluded)
Bridge
module
R
R
R
R
156kbps
10M/5M/2.5Mbps cannot be used.
Cable length between the terminating resistors.
500m
The cable length of T-branch (length of the branch line)
is not included.
Total cable length per branch
200m
Total length of all branch cables
Total number of connected modules is in accordance
with the CC-Link specifications.
Ver.1.10-compatible CC-Link dedicated cables made
by different manufacturers can be used in combination.
Avoid peeling the sheath of the cable on the main line
side whenever possible.
Length between two T-
branch lines
No limitation
The length between two T-branch lines
R
R
R
R
R
: Represents a remote I/O station or remote device station
Remarks
Distance between remote
I/O stations or remote
device stations
30cm or more
Terminating
resistor
R
R
R
R
R
R
R
(Branch line length: 8m or shorter)
R
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