Remote I/O Net Mode - Mitsubishi Electric MELSEC-Q Series User Manual

3.6.6

Remote I/O net mode

This mode is selected when slave stations are remote I/O stations only. Compared to other modes, transmission delay
time of cyclic transmission can be shortened. In addition, the master/local module can operate with less setting.
The table below lists the differences of link scan time from other modes. (Rough indication)
(When transmission speed is 10Mbps)
Number of stations
8
16
32
64
Master station
(Remote I/O net mode)
Station No.0
Ver.1-compatible
area
RX
Station
No.1
Station
No.2
RY
Range of the master
station sending data to
the station No.1
Range of the master
station sending data to
the station No.2
Data sent from the master station
Data sent from slave stations
Remote I/O net mode
0.61ms
0.94ms
1.61ms
2.94ms
Remote I/O station Remote I/O station
(Ver.1-compatible) (Ver.1-compatible)
Station No.1 Station No.2
RX
Range of
the station
No.1
RX
sending data
Range of
the station
No.2
sending data
RY
Station
No.1
RY
Station
No.2
Area where data is sent to
other stations
Remote net Ver.1 mode
Remote net Ver.2 mode
Remote net additional mode
CHAPTER 3 SPECIFICATIONS
1.20ms
1.57ms
2.32ms
3.81ms
55
3