Mitsubishi Electric FX3U-232-BD - Creating Programs for Master Station (Station No. 0)

B-35
FX Series PLC User's Manual - Data Communication Edition
N:N Network
7 Creating Programs
7.2 Creating Programs for Master Station (Station No. 0)
A
Common Items
B
N:N Network
C
Parallel Link
D
Computer Link
E
Inverter Communication
F
Non-Protocol Communication (RS/RS2 Instruction)
G
Non-Protocol Communication (FX
2N
-232IF)
H
Programming Communication
I
Remote Maintenance
Apx.A
Discontinued models
7.2 Creating Programs for Master Station (Station No. 0)
Create programs for the master station.
Arbitrarily create programs for reading and writing link devices.
Cautions on setting up the N:N Network
Note the following cautions when creating a program using Structured Ladder, FBD or ST programming in the
FX
1S, FX1N, FX1NC, FX2N or FX2NC PLC.
• When setting up the N:N Network in a program using Structured Ladder or FBD programming, connect the
ENO output to the EN input for the MOV instruction.
• When setting up the N:N Network in a program using ST programming, use the MOV instruction as shown
in the following program example.
M8038
Parameter setting
FNC 12
MOV
K0 D8176
FNC 12
MOV
K2 D8177
FNC 12
MOV
K1 D8178
FNC 12
MOV
K3 D8179
FNC 12
MOV
K5 D8180
0
Make sure to start the program for setting the N:N Network
from step 0.
Program for setting the N:N Network
Station number setting: 0 (master station)
Station number "0" indicates the master station.
Slave station quantity setting: 2 (2 slave stations)
Set the number of connected slave stations.
[Setting range: 1 to 7]
Refresh range setting: 1 (pattern 1)
Set the pattern of devices used in communication.
[Setting range: 0 to 2]
(Only pattern 0 is applicable in the FX
0N or FX1S
Series.)
Number of retries: 3 (3 times)
Set the number of retrying communication after a link
error is detected.
[Setting range: 0 to 10]
Monitoring time: 5 (50 ms)
Set the time by which communication error is determined.
[Setting range: 5 to 255]
Set the communication port to be used.
When using ch1, this step is not required.
When using ch2, program "OUT M8179".
(in the FX
3G , FX 3GC , FX3U and FX3UC)
M8179
Channel
setting
<Program example>
M8038
MOV
EN ENO
d
D8176
Parameter setting
s
K0
MOV
EN ENO
d
D8177
s
K2
MOV
EN ENO
d
D8178
s
K1
MOV
EN ENO
d
D8179
s
K3
MOV
EN ENO
d
D8180
s
K5
< Program example >
MOV(MOV(MOV(MOV(MOV(M8038, K0, D8176), K2, D8177), K1, D8178), K3, D8179), K5, D8180);