Setting Contents - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
N:N Network
8.1.3

Setting contents

The program examples shown later adopt the following communication parameters:
System device
D8176
D8177
D8178
D8179
D8180
8.1.4 Setting program for master station
For the master station setting program, refer to the program shown below.
The program shown below consists of three blocks, "parameter setting program", "error indication program"
and "operation program".
1. Parameter setting program
Make sure to start from step 0.
Parameter setting
M8038
0
Caution
Pay close attention when setting up the N:N Network for the master station in a program using Structured
Ladder, FBD or ST programming in the FX
For details, refer to Section 7.2.
2. Error indication program
Because the master station does not recognize errors within itself (the master station), programs for errors
within itself are not required.
Data transfer sequence error in slave station No. 1
M8184
Data transfer sequence error in slave station No. 2
M8185
Data transfer sequence ON
M8191
B-42
Master station Station No. 1
K 0
K 2
K 2
K 5
K 7
FNC 12
K 0 D8176
MOV
FNC 12
K 2 D8177
MOV
FNC 12
K 2 D8178
MOV
FNC 12
K 5 D8179
MOV
FNC 12
K 7 D8180
MOV
1S
Station No. 2
K 1 K 2
— —
— —
— —
— —
Station number settings: 0 (master station)
Slave station quantity setting: 2 (2 slave stations)
Refresh range setting: 2 (pattern 2)
Number of retries setting: 5 (5 times)
Monitoring time setting: 7 (70 ms)
, FX , FX , FX or FX
1N 1NC 2N
Y001
Y002
Y003
8 Practical Program Examples
8.1 Practical Example 1 (Pattern 2)
Contents
Station number settings
Total number of slave stations: 2
Refresh range: Pattern 2
Number of retries: 5
Monitoring time: 70 ms
PLC.
2NC