Operating hours counter1431SVC 440 795 M0100Operating hours counter The logic relay provides 4 independent operating hourscounters. These operating hours counters enables you torecord the operating hours of systems, machines andmachine parts. An adjustable setpoint can be selected withinthe value range. In this way, maintenance times can belogged and reported. The counter states are retained evenwhen the device is switched off. As long as the count coil ofthe operating hours counter is active, the logic relay countsthe hours in one second cycles.You integrate an operating hours counter into your circuit inthe form of a contact and coil.Parameter display and parameter set for the operating hourscounter function block:In the parameter display of an operating hours counter youchange the setpoint in hours and the enable of theparameter display.I2-------ÄO1O1uI8----RO1h------TT1T1-------ÄQ3Contact CoilO1 to O4ÄO1 to ÄO4 Count coil of the operating hourscounterRO1 to RO4 reset coil of the operating hourscounterO4 +S 000000O:O4 Operating hours counter number 04+ • + appears in the parameter display• - appears in the parameter displayS Setpoint in hoursO: Actual value of the operating hours counter [h]
