Operating hours counter
143
1SVC 440 795 M0100
Operating hours counter The logic relay provides 4 independent operating hours
counters. These operating hours counters enables you to
record the operating hours of systems, machines and
machine parts. An adjustable setpoint can be selected within
the value range. In this way, maintenance times can be
logged and reported. The counter states are retained even
when the device is switched off. As long as the count coil of
the operating hours counter is active, the logic relay counts
the hours in one second cycles.
You integrate an operating hours counter into your circuit in
the form of a contact and coil.
Parameter display and parameter set for the operating hours
counter function block:
In the parameter display of an operating hours counter you
change the setpoint in hours and the enable of the
parameter display.
I2-------ÄO1
O1uI8----RO1
h------TT1
T1-------ÄQ3
Contact Coil
O1 to O4
ÄO1 to ÄO4 Count coil of the operating hours
counter
RO1 to RO4 reset coil of the operating hours
counter
O4 +
S 000000
O:
O4 Operating hours counter number 04
+ • + appears in the parameter display
• - appears in the parameter display
S Setpoint in hours
O: Actual value of the operating hours counter [h]
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