... cycle,etc,please indicate when ordering.3, 4/5/6 digit display,with demical point switched automatically;Opical isolation for input and ... high anti-interference.4, Output:up to 3 alarm output with various output modes selectable:high value,low value ,intervals,etc ... , RS232 or RS485 Modbus RTU protocol,connectable with various equipment,computer or PLC directly.6, Width Power supply:regular: 80-265V AC ...