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11 COMMUNICATION BETWEEN THE MASTER STATION AND THE
LOCAL STATION
MELSEC-QnA
11.3.2 Local station program
(1) Program for parameters
Local stations do not need this.
(2) Program for communication
Refer to Section 11.3.1 (2), for the relationship among the programmable
controller CPU device, master station's buffer memory, and the local station's
buffer memory.
(a) Local station No.1
X0000 X000F
SM400
X0001
N0 M500MC
M500N0
K1M600 K1FROM H0000 H0680
M601
Y0030
SM402
SET Y0000
SM400
K4M200 K4FROM H0000 H00E0
K4M32 K2FROM H0000 H0162
D200 K8FROM H0000 H02E0
D304 K4FROM H0000 H01E4
SM400
K4M0 K2TO H0000 H0160
D300 K4TO H0000 H01E0
MCR N0
Write the remote register
(RWw)
Control program by the received data from the
master station and the local station No.2.
Program to create the transmission data to the
master station and the local station No.2.
Refresh instruction
Host station data link
is proceeding
Read the remote input (RX)
Read the remote output (RY)
Read the remote register (RWr)
Read the remote register (RWw)
Write the remote output
(RY)
Station No.2 local
station error