32-bit CPU for high-speed processing Program capacity: 16 k steps Data register: 10 k words Max. execution speed of basic instructions: 0.35 μs Built-in 4 analog inputs / 2 analog outputs Built-in mini USB, RS-232 and RS-485 ports (Master / Slave) Supports standard Modbus ASCII / RTU protocol and PLC Link function PID Auto Tuning function for highly efficient PID control No battery required; RTC function operates for at least one week after power off (hardware version 2.0 and above) Supports DVP-S Series modules (left-side and right-side)