2.6 Communications with a Mitsubishi PLC (A-compatible 1E Frame protocol)
Using Automatic Reception with the MP3000 as a Slave
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Setting Up the Remote Device (Mitsubishi Q/A-series PLC)
Use the following procedure to set up the Mitsubishi Q/A-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 device 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 Binary code
Initial timing As required.
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
Parameter Description
Protocol TCP
Open system Active
Fixed buffer Send
Fixed buffer communication Procedure exist
Pairing open As required.
Existence confirmation As required.
Local station port No. 2711 hex (10001)
Destination IP address 192.168.1.1
Destination port No. 2711 hex (10001)
Setting Example to Open the Built-in Ethernet Port in a MELSEC Device
Parameter Description
Protocol TCP
Open system MC protocol
TCP connection −
Local station port No. 1389 hex (5001)
Destination IP address −
Destination port No. −