... time, step control. 2011---HC series Expert Timer for Electrical life test(Laboratory)HH8 series, 48*96*80mm,single line 4 ... ),N(timing to pause) F(accumulated timing)etc.4,Standard RS232/RS485 communication interface,MODBUS RTU protocol.Can connect to ... used in industrial control and measurement field, such as machinery, electrical cabinet, power sub-station, industrial automation, etc.. In addition ...