Mitsubishi Electric MELSEC Q Series Reference Manual page 135

(b) When duplication of station No. is detected
Another network that includes an existing station No. was added by mistake.
Control station
No. 6
Down
Cyclic transmission between
stations No.4 and No.5
Station No. duplication occurs at station No.4.
Control station
No. 6
Down
Upon reconnection to the network, control station duplication is detected at station No.6.
Page 130, Section 4.4.6 (2)
Function
Cyclic transmission
Transient transmission
Sub-
Control station
control station
No. 1
No. 5
Normal station
Normal station
No. 4
No. 4
Normal station
Control station
No. 5
No. 1
Station No. 1 to 3 and 5 continue cyclic transmission.
Station No.
duplication
Normal station
Normal station
No. 4
No. 4
Stations of duplicated station No. do not perform cyclic transmission.
Other stations, each of which has unique station No, perform cyclic transmission.
Not allowed for stations of duplicated station No.
Normal station
No. 2
Cyclic transmission among
stations No.1 to No.4
Normal station
No. 3
Normal station
No. 2
Station No.
duplication
Normal station
No. 3
Operation
CHAPTER 4 FUNCTIONS
133
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