7 - 17
7 DATA LINK PROCEDURE
MELSEC-QnA
(3) There cannot be duplicate station numbers.
If there are duplicate numbers, it results in loading status error. (Error code is
stored in SW0069.)
[Setting example] When a station number is duplicated:
1
Remote station
(occupies 1 station)
2
Remote station
(occupies 2 stations)
Station No.1 Station No.2
Station No.3 Station No.4
Station No.5 Station No.6
Station No.7 Station No.8 Station No.9
Duplicate
Master station
Station
number "0"
Station
number "1"
Station
number "2"
Station
number "3"
Station
number "7"
Remote
station
1
Remote
station
2
Local station
3
Local
station
4
3
Local station
(occupies 4
stations)
4
Local station
(occupies 1
station)
7.7.2 Mode setting
When performing data link, "0 (online)" should be set normally.
7.7.3 Transmission speed setting
The transmission speed setting differs depending on the overall distance.
Refer to Section 3.2.1, 3.2.2 for details.
POINT
Set the same transmission speed for all of master, local, standby master, remote, and
intelligent device stations. If the setting of a slave station differs from that of the master station,
data link cannot be performed between them.