2.7 Communications with a Mitsubishi PLC (QnA-compatible 3E Frame Protocol)
Using I/O Message Communications with the MP3000 as the Master
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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.
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 Binary code
Initial timing Always wait for OPEN
IP Address 192.168.001.002
Send frame setting Ethernet (V2.0)
TCP existence confirmation set-
ting
As required.
Enable Write at RUN time Enable
Open Settings Example
Parameter Description
Protocol TCP
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. 1392H (5010)
Destination IP address 192.168.1.1
Destination port No. 1388 hex (5000)
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