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3 SPECIFICATION
MELSEC-QnA
(Example) When the transmission rate is 10 Mbps, and 43 remote I/O stations and
remote device stations are connected using the CC-Link dedicated high
performance cable, because the cable connecting the second and third
stations is "35 cm (13.78 in.)", the maximum overall cable distance will be
"80 cm (31.5 in.)".
Remote I/O station
Master station
Remote device
station
Remote I/O station Remote I/O station
Remote device
station
First Second Third 4th 43th
1 m (3.28 ft.) 50 cm (19.69 in.) 35 cm (13.78 in.) 50 cm (19.69 in.)
(2) For a system consisting of remote I/O stations, remote device
stations, local stations and intelligent device stations
1 222
Maximum overall cable distance
Remote I/O station
or remote
device station
Master station
Remote I/O station
or remote
device station
Local station
or Intelligent
device station
Local station
or Intelligent
device station
1 Cable length between remote I/O stations or remote device stations
2 Cable length between the master, local or, intelligent device station and the
adjacent stations
CC-Link dedicated cable (terminating resistor 110 Ω)
Station-to-station cable length
Transmission rate
1
2
Maximum overall cable distance
156 kbps 1200 m (3937.2 ft.)
625 kbps 600 m (1968.6 ft.)
2.5 Mbps
30 cm (11.81 in.) or more
200 m (656.2 ft.)
5 Mbps
30 cm (11.81 in.) to
59 cm (23.23 in.)
110 m (360.9 ft.)
60 cm (23.62 in.) or more 150 m (492.15 ft.)
30 cm (11.81 in.) to
59 cm (23.23 in.)
50 m (164.1 ft.)
60 cm (23.62 in.) to
99 cm (38.98 in.)
80 m (262.5 ft.)
10 Mbps
1 m (3.28 ft.) or more
2 m (6.56 ft.) or more
100 m (328.1 ft.)
CC-Link dedicated high performance cable (terminating resistor 130 Ω)
Station-to-station cable length
Transmission rate
1
2
Maximum overall cable distance
156 kbps 1200 m (3937.2 ft.)
625 kbps 600 m (1968.6 ft.)
2.5 Mbps
30 cm (11.81 in.) or more
200 m (656.2 ft.)
30 cm (11.81 in.) to
59 cm (23.23 in.)
110 m (360.9 ft.)
5 Mbps
60 cm (23.62 in.) or more 150 m (492.15 ft.)
70 cm (27.56 in.) to
99 cm (38.98 in.)
50 m (164.1 ft.)
10 Mbps
1 m (3.28 ft.) or more
2 m (6.56 ft.) or more
80 m (262.5 ft.)
The cable length between remote I/O stations or remote device stations is within this range and if even one location is wired, the
maximum overall cable distance will be as indicated above.