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About the CC-Link Family of Networks

Specifications: T branch

Branch communication specification (Repeater; non-powered T-branch)

System configuration System configuration

Communication specification not described below shall conform to CC-Link specification.
Specification of T-Branch (powered) connections

Items Specifications Remarks
Communication speed 625kbps 156kbps 10M / 5M / 2.5Mbps not possible
Max. trunk line length 100m 500m Cable length between the terminators. Length of branch cable not included.
Max. branch line length 8m Overall cable length for one branch line
Overall branch line length 50m 200m Overall cable length of all the branch lines
Max. number of units
connected to branch line		 6 units / Branch Total number of connectable units depends on CC-Link specification.
Connection cable CC-Link certified cable
(e.g.: FANC-SB, CSFV-SLAB, 100ZCLK-SB-20AWGX3C)
  • CC-Link Cable Version 1.00 high-performance cable can not be used
  • CC-Link Cable Version 1.00 cables from different manufacturers can not be used together
    (Refer to CC-Link catalog for maker list)
T-Branch
Terminal blocks /Connectors
  • Terminal block.
    commercially available terminal blocks
  • Connector for FA sensors:
    NECA4202 (IEC947-5-2)
    (NECA: Standards of Nippon Electric Control Equipment Industries Association)
  • Connect trunk lines stripping the wire as little as possible.
Max. Trunk line length, Inter T-Branch length and Inter station length

Max. Trunk line length, Inter T-Branch length and Inter station length

squareCC-Link cable Version 1.10 (110W terminators)
Communication
speed		 Max.trunk
line length		 Inter
T-Branch
length		 Inter station
length for Remote
I/O or Remote
device stations *1		 Inter station length
for Master, Local,
Intelligent device
stations, and their
adjacent stations. *2
625kbps 100m Unlimited More than 30cm More than 1 m (*1)/
More than 2 m (*2)
156kbps 500m

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