Operating Hours Counter - IDEC SMARTRELAY User Manual

4.4.16

Operating hours counter

Short description
A configured time is triggered with a signal at the monitoring input. The output is set when this
time has expired.
Symbol in IDEC
SmartRelay
Note
MI, MN and OT are always retentive.
IDEC SmartRelay Manual
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iring Description
Input R A positive edge (0 to 1 transition) at input R resets
output
for the duration of the time-to-go (MN).
Input En En is the monitoring input. IDEC SmartRelay scans
the on-time of this input.
Input Ral A positive edge at input Ral (Reset all) resets the
operating hours counter (OT) and the output, and sets
the time-to-go value (MN) to the maintenance interval
MI:
Parameter MI: Maintenance interval to be preset in units of hours
and minutes
Range of values:
0000 h to 9999 h, 0 m to 59 m
OT: the accumulated total operating time (you can
specify an offset in hours and minute)
Range of values:
00000 h to 99999 h, 0 m to 59 m
Output The output is set when the time-to-go MN
timing diagram).
The output is reset under the following conditions:
IDEC SmartRelay functions
4.4 Special functions list - SF
and sets a configured value MI at the counter
Output 0
Measured operating time OT
Time-to-go of the maintenance interval MN
0 occurs depending on the following conditions:
hen R is selected:
1, if MN 0
0, if R 1 or Ral 1
hen R En is selected:
1, if MN 0
0, if R 1 or Ral 1 or En
hen 0:R En , if
R 1 or Ral 1 or En 0
hen 0:R , if R 1 or Ral
0
MI.
0.
0 (see
1.
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