... a variety of signal types, programmable settings; 3. Two alarm outputs, providing a variety of alarm mode, ... 0~10V,0~10mA,0~20mA,4~20mAAlarmTwo-way upper and lower limited relay alarmRelay contact ... Alarm Code "311",The factory setting adopts 2-way relay top and bottom limitation alarm; Vacancies and ... Alarm Code "311",The factory setting adopts 2-way relay top and bottom limitation alarm; Input Signal ...