Mitsubishi Electric MELSEC iQ-R Series User Manual page 25

Master station and local stations
■ Unicast mode
1:1 communications between the master station and each local station. Local stations do not communicate with each other.
RCPU
X
0000H
Ù
001FH
0020H
003FH
Y
0000H
Ó
001FH
0020H
003FH
Ò
W
0000H 0000H
Ù
000FH 000FH
0010H 0010H
001FH 001FH
0000H
Ó
000FH
0010H
001FH
No.0, No.1, No.2: Station No.0 (master station), station No.1, station No.2
No.1, No.2: Send range: to station No.1, send range: to station No.2
No.1, No.2: Send range: from station No.1, send range: from station No.2
• Output from the master station
 The device is turned on by the sequence scan of the CPU module in the master station, and END processing is performed.
 The device status of the CPU module is stored in the link devices (RY, RWw) of the master station by link refresh.
 The status of the link devices (RY, RWw) of the master station is stored in the link devices (RX, RWr) of the local station by cyclic data transfer processing.
 The status of the link devices (RX, RWr) of the local station is stored in the devices of the CPU module by link refresh.
• Input from the local station
 The device is turned on by the sequence scan of the CPU module in the local station, and END processing is performed.
 The device status of the CPU module is stored in the link devices (RY, RWw) of the local station by link refresh.
 The status of the link devices (RY, RWw) of the local station is stored in the link devices (RX, RWr) of the master station by cyclic data transfer processing.
 The status of the link devices (RX, RWr) of the master station is stored in the devices of the CPU module by link refresh.
No.0
RX
0000H
No.1
001FH
0020H
No.2
003FH
RY
0000H
oNo.1
001FH
0020H
oNo.2
003FH
Ø
Ô
RWr
0000H
No.1
000FH
0010H
No.2
001FH
RWw
0000H
oNo.1
000FH
0010H
oNo.2
001FH
No.1 No.2
RX RX
0000H
No.1
001FH
0020H
No.2
003FH
RY RY
0000H
mNo.1
001FH
0020H
mNo.2
003FH
RWr RWr
0000H
No.1
000FH
0010H
No.2
001FH
RWw RWw
0000H
mNo.1
000FH
0010H
mNo.2
001FH
RCPU
X
Õ
Y
×
Ö
W
Õ
×
1 FUNCTIONS
23
1.1 Cyclic Transmission
1