The following describes an example of settings to connect multiple GT27, GT25, or GT21 models (Ethernet connection models) and the Ethernet port built in the QnUDVCPU by Ethernet.

1. Configure the following settings in GT Designer3 (GOT2000).
◆ For GT Designer3 (GOT2000) Version1.100E or later
　(1) Select [Common] → [Controller Setting] → [CH1] from the menu.
　　 Manufacturer: MITSUBISHI ELECTRIC
　　 Controller Type: MELSEC-Q/QS, Q17nD/M/NC/DR, CRnD-700
　　 I/F: Ethernet:Multi
　　　(For GT Designer3 (GOT2000) Version1.170C or earlier, Standard I/F(Ethernet): Multi)
　　 Driver: Ethernet(MITSUBISHI ELECTRIC), Gateway
　　　(For GT Designer3 (GOT2000) Version1.178L or earlier, Ethernet (MELSEC), Q17nNC, CRnD-700, Gateway)
　　 GOT Net No.: 1
　　 GOT Station: 18
　(2) Select [Common] → [Controller Setting] → [CH1] → [Ethernet Controller Setting] from the menu.
　　 Host: *
　　 Net No.: 1 (example)
　　 Station: 1 (example)
　　 Unit Type: QnUD(P)V/QnUDEH
　　 IP address 192.168.3.39
　　 Port No. 5006
　　 Communication: UDP
　(3) Select [Common] → [GOT Ethernet Setting] → [GOT IP Address Setting] → [Standard Port] from the menu.
　(For GT Designer3 (GOT2000) Version1.170C or earlier, select [Common] → [Controller Setting] → [CH1] → [GOT Standard Ethernet Setting] from the menu.)
　　 GOT IP address: 192.168.3.18
　　 Subnet Mask: 255.255.255.0
　(4) Set a different station number and GOT IP address for (1) to (3) above for each GOT.

2. Configure the following settings in GX Works2.
　(1) Select [Parameter] → [PLC parameter] → [Built-in Ethernet Port Setting] from the menu.
　　 IP address: 192.168.3.39
　　 Subnet Mask Pattern: 255.255.255.0
　(2) Select [Parameter] → [PLC parameter] → [Built-in Ethernet Port Setting] → [Open Setting] from the menu.
　　 Protocol: UDP
　　 Open System: MELSOFT Connection (Set this item for each GOT.)

For the details, refer to the following.

・ GOT2000 Series Connection Manual (Mitsubishi Electric Products) For GT Works3 Version1 (SH-081197ENG)
　"5.3 GOT Side Settings"
　"5.4 PLC Side Setting"