ABB intelligent electrical valve positioners TZID, TZIDC, TZIDC110, TZIDC120, TZIDC200 series are a kind of positioning device with communication capability and electronic configuration parameters. It is installed on pneumatic linear or angular actuators. Its characteristics are small and compact design, modular structure and excellent cost performance. The control parameters matched with the terminal control element are automatically determined by the intelligent positioner, saving a lot of debugging time and achieving the optimal control.