Delta PLC DVP12SE11R DVP12SE11T Program capacity: 16k steps Data register: 12k words Higher execution speed compared to the competition: LD: 0.64μs, MOV: 2μs Built-in Ethernet supports MODBUS TCP and Ethernet/IP IP Filter function is a firewall that offers the first line of defense and provides protection from malware and network threats Supports DVP-S series left-side and right-side modules No battery required. Maintenance-free.(Real time clock operates for 15 days after power off)