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7 DATA LINK PROCEDURE
MELSEC-QnA
Item Specification Remarks
CC-Link dedicated cable, Version 1.10 compatible CC-Link dedicated cable (terminating resistor 110 Ω)
Transmission
speed
Maximum length of
main line
Distance
between
T
branches
Length of cable between
the remote I/O stations or
remote device stations 1
Length of cable between the
master/local station or intelligent
device station and the adjacent
station (s) 2
625 kbps 100 m (328.1 ft.)
Maximum length of main line,
distance between T branches, and
length of cable between stations
156 kbps 500 m (1640.5 ft.)
No limit 30 cm (11.8 in.) or longer
1 m (3.28 ft.) or longer ( 3)/
2 m (6.56 ft.) or longer ( 4)
3: The cable length of 1 m (3.28 ft.) or longer is for a system configured only with remote I/O stations and remote device stations.
4: The cable length of 2 m (6.56 ft.) or longer is for a system configuration that contains local stations and intelligent device stations.
Master station
Terminating
resistor
Terminating
resistor
R
R
R
R
R
L/I L/I
L/I L/I
R R R R
R
L/I
R
(Length of branch line: 8m (26.25 ft.) or shorter)
: Indicates a remote I/O station or a remote device station.
: Indicates a local station or an intelligent device station.
1 1 1 1
22
R
2
2
11
2
2
2
2
1
1
Distance between T branches
Maximum length of main line (not including branch line length)
(Length of branch line: 8m (26.25 ft.) or shorter)
2
R
R