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TOYOPUC Computerlink — PLC-side setup

The Computerlink network settings are common across the supported TOYOPUC controllers. The engineering-tool screens differ between PCwin and PCwin2, so choose the guide by tool generation rather than by PLC model.

Choose the setup guide

Product family Hardware Engineering tool Setup guide
TOYOPUC Nano Nano 10GX, Nano 2ET PCwin2 Configure Computerlink in PCwin2
TOYOPUC Plus Plus CPU, Plus EX2 PCwin Configure Computerlink in PCwin
TOYOPUC PC10G PC10G-1SP, PC10G, EF10, 2PORT-EFR PCwin Configure Computerlink in PCwin
TOYOPUC PC3J PC3JX-D, PC3JG PCwin Configure Computerlink in PCwin

Example network settings

The screenshots in both guides use the same example network. Replace the IP addresses and ports with values for your own isolated PLC network.

Parameter Example value
PLC IP address 192.168.250.100
Computerlink TCP port 1025
Computerlink UDP port 1035
UDP peer PC IP address 192.168.250.120
UDP peer PC port 12000

TCP and UDP use different peer settings

For TCP, the guides select TCP Destination Non-Specified Passive Open. The PLC waits for a connection from the PC, and no peer entry is selected for that connection. If you intentionally select a destination-specified TCP mode instead, the connecting PC must match the peer parameters.

For UDP, the PLC requires a peer IP address and port in the Other Node Table. The PC application must bind its UDP local port to the same port. With the example above, use LocalPort = 12000 in .NET or local_port=12000 in Python; do not use 0 for this PLC configuration.

Connecting with the libraries

Library setting TCP UDP
PLC host 192.168.250.100 192.168.250.100
PLC destination port 1025 1035
PC local port Not configured 12000
Transport TCP UDP

Select the exact canonical profile for the connected PLC. The standard connection helpers do not infer it from the PLC.