•Ladder-logic and structured-text programming
•Advanced instruction set including file handling, sequencer, diagnostic, shift register, immediate I/O, and program control instructions
•Built-in RS-232/422/423 communication port
•DeviceNet and ControlNet I/O on selected processors
•One or more on-board ports that can be configured for either Data Highway Plus (DH+) or Universal Remote I/O
•Universal Remote I/O ports can be configured as an I/O scanner port or an I/O adapter port
•Ethernet PLC-5 controllers and the Ethernet interface module provide built-in web services
•Backup options for increased fault tolerance through the ControlNet Hot Backup module or the PLC-5 Backup Communication module