Program in minutes with intuitive, easy-to-use configuration software. Up to eight expansion I/O modules can be added as automation requirements grow or change. Choose from six expansion module models. Expansion module models have a variety of safety inputs, solid-state safety outputs, and safety relay outputs. Innovative live display features and diagnostics allow for active monitoring of I/O on a PC and assist in troubleshooting and commissioning. Ethernet-enabled models can be configured for up to 256 virtual status outputs.