Allen-Bradley PLC-5/250 via TCP/IP

The information included in the following pages describes how to connect Allen-Bradley PLC-5/250 devices using the ABTCP protocol to a Plant SCADA system. Using this method, you can connect to multiple PLCs as in the following diagram:

The Allen-Bradley Ethernet arrangement requires a BOOTP server. The BOOTP server is required by the EI modules to download configuration information. Refer to your Allen-Bradley documentation for BOOTP information.

This diagram does not show all of the possible connection options. Consult your Allen-Bradley manuals for more information.