Chapter 13 Function; Master Function - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

13
FUNCTION
This chapter explains the function of MODBUS/TCP communication.
13.1

Master Function

The master station of FX5 executes communication between the master station and the slave station by using the predefined
protocol support function. The CPU module executing the predefined protocol support function will be the master station.
The communication setup method and procedure for program of MODBUS/TCP communication (master) are shown below.
For details of each operations and applied instructions, refer to MELSEC iQ-F FX5 User's Manual (Ethernet
Communication).
Connection settings
"Navigation window"  [Parameter ]  [FX5UCPU]  [Module Parameter]  [Ethernet Port]  [Basic Settings] 
[External Device Configuration]  double click <Detailed Setting> of "External Device Configuration"
Window
"Drag and drop the "Active Connection Module" from "Module List" to the left side on the window. Execute the settings as
described below.
Item
Communication Method
PLC Port No.
Sensor/Device IP Address
Port No.
Setting
Specify the Predefined Protocol.
1 to 4999, 5010 to 65534
Do not specify 5000 to 5009 because these ports are used by the
system.
0.0.0.1 to 223.255.255.254
1 to 4999, 5010 to 65534
Do not specify 5000 to 5009 because these ports are used by the
system.
Remarks

Set the port No. of master station.
Set the IP Address of slave station.
Set the port No. of slave station.
13 FUNCTION
13.1 Master Function
13
55