Mitsubishi FX3U Series User Manual page 33

FX Series Programmable Controllers
3U
User's Manual - MODBUS Serial Communication Edition
Parameters for a Slave using Channel 1:
Device
D8400
D8401
D8411
D8414
D8415
D8416
The ladder code for setting the Slave parameters can be expressed as follows:
MODBUS Serial
Communication Setup
M8411
MOV
0
MOV
MOV
MOV
MOV
MOV
Name
Communication Format
Protocol
Message to Message Delay
Slave Node Address
Communication Status Information Setup
Communication Status Device Range Setup
H1097 D8400
H11 D8401
K10 D8411
H1 D8414
H11 D8415
K100 D8416
5.2 Example of communication setup
For Descriptions, refer to Chapter 6.
Program for setting up a MODBUS Slave
b15
0001 0000 1001 0111
The communication
format is set.
8bit / Even / 1-bit / 19200bps / RS485
b15
The protocol is set. 0000 0000 0001 0001
MODBUS Slave / RTU Mode
Message to Message Delay: 10ms
Slave Node Address: Slave Number 1
b15
The Communication
Status Information 0000 0000 0001 0001
Setup is set.
0
Store Counter and Log to D Devices
Communication Status Device Range Setup:
Storage Head Device = D100
5 Communication Setup
Description
b0
1 0 9 7
b0
0 0 1 1
b0
0 1 1
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