Practical Program Examples - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Parallel Link
8.

Practical Program Examples

This chapter shows practical programs examples.
8.1 Practical Example 1 (Regular Parallel Link Mode)
When many link devices are required, use the regular parallel link mode.
8.1.1 System configuration example
The example below shows a system configuration in which two FX
FX
2N
FX
2N
Master station
- Link range: 100-bit devices and 10-word devices (regular parallel link mode)
- Error judgement time: 500 ms
8.1.2 Setting contents
The program examples shown later adopt the following communication parameters:
Device
M8070 Parallel link master station setting
M8071 Parallel link slave station setting
D8070 Communication error judgement time
PLC
-485-BD
Description
8 Practical Program Examples
8.1 Practical Example 1 (Regular Parallel Link Mode)
PLCs are linked.
2N
FX PLC
2N
FX -485-BD
2N
Slave station
A
B
C
D
E
F
G
H
I
Apx.A
C-47