Eaton easy500, easy700

4 Wiring  with
4.9 Operating Hours Counter
120 Operating instructions 05/10 MN05013003Z-EN www.eaton.com
4.9.3.1 Example: operating hours counter
Operating hours counter for the operating time of a machine. The time in
which a machine (easy) is energized is to be measured.
4.9.3.2 Example maintenance meter for different machine sections
Machine sections have to be maintained after different times have elapsed.
Markers N1 and N2 are the On markers of two different machine sections.
These markers control the associated operating hours counters. Output Q4
switches on a warning light if the setpoint of an operating hours counter has
been reached. A keyswitch at input I8 resets the associated operating hours
counter after maintenance has been completed.
Circuit diagram display Parameter settings of
operating hours counter O1
---------ÄO1
O1 +
S 000000
Circuit diagram display Parameter settings of operating hours counter O2
Parameter settings of operating hours counter O3
N1-------ÄO2
N2-------ÄO3
O2u------ÄQ4
O3k
I8uO2----RO2
hO3----RO3
O2 +
S 000500
O3 +
S 000800