2.7 Communications with a Mitsubishi PLC (QnA-compatible 3E Frame Protocol)
Using the MSG-SNDE Function with the MP3000 as the Master
2-155
Ethernet Communications
Setting Up the Remote Device (Mitsubishi Q/QnA-series PLC)
Use the following procedure to set up the Mitsubishi Q/QnA-series PLC (MELSEC device).
1.
Start GX Developer.
2.
Create a project.
3.
Set the MELSECNET/Ethernet network parameters.
4.
Set the Ethernet operation settings.
5.
Specify the open settings.
Note: Specify an IP address that is not in use by any other devices on the same network.
Check with your network administrator for unused IP addresses.
MELSEC devices are manufactured by Mitsubishi Electric Corporation.
Contact Mitsubishi Electric Corporation for further information on MELSEC devices.
Parameter
Description
Network type
Ethernet
Starting I/O No.
As required.
Network No.
As required.
Group No.
As required.
Station No.
As required.
Mode
Online
Parameter
Description
Communications data code
ASCII code
Initial timing
Always wait for OPEN
IP address
192.168.001.002
Send frame setting
Ethernet (V2.0)
TCP existence confirmation setting
As required.
Enable Write at RUN time
Enable
Open Settings Example
Parameter
Description
Protocol
UDP
Open system
Full passive
Fixed buffer
As required.
Fixed buffer communication
As required.
Pairing open
As required.
Existence confirmation
As required.
Local station port No.
1393 hex (5011)
Destination IP address
192.168.1.1
Destination port No.
1392 hex (5010)
Setting Example to Open the Built-in Ethernet Port in a MELSEC Device
Parameter
Description
Protocol
UDP
Open system
MC protocol
TCP connection
−
Local station port No.
1393 hex (5011)
Destination IP address
−
Destination port No.
−
Note
