Download Control & Communication Link System Master/Local Module type

6 PARAMETER SETTING
MELSEC-A
(2) Program example
A parameter-setting program example with the following system configuration is
shown below:
(a) System configuration example
Reserved station
(to be connected in the future)
Station No.11
Station No.3
Invalid station
6 Local
3 Local
Master
station
(X/Y20 to 3F)
Station No.1
Station No.2
1 Remote
2 Remote
I/O station
(occupies 1
station)
I/O station
(occupies 1
station)
station
(occupies
4 stations)
Station No.7
Station No.9
4 Remote device
5 Remote device
station
(occupies 2
stations)
station
(occupies 2
stations)
(b) Program example
1
When debugging
X0020 X002F
PLS
M0
SET
M1
M0
M1
TO H0002
MOV
K6
D0
Number of connected
modules (6 modules)
MOV
K3
D1
Number of retries (3 times)
MOV
K2
D2
Number of automatic return
modules (2 modules)
H0001
D0
K3
MOV
K0
D3
D3
K1
TO H0002 H0006
Operation specification
when CPU is down (stop)
M1
MOV
H0004 D4
MOV
K0
D5
MOV
K0
D6
MOV
K0
D7
MOV
H0100 D8
MOV
K0
D9
MOV
K0
D10
MOV
K0
D11
D4
K8
TO H0002 H0010
6-8
Reserved station
specification
Invalid station
specification
station
(occupies
1 station)