Mitsubishi Electric FR-D720S SC EC Instruction Manual page 267

Parameter
Cumulative energizing time and actual operation time monitor (Pr. 171, Pr. 563, Pr. 564)
Cumulative energization time monitor (Pr. 52 = "20") accumulates energization time from ship-
ment of the inverter every one hour.
On the actual operation time monitor (Pr. 52 = "23"), the inverter running time is added up every
hour. (Time is not added up during a stop.)
If the monitored value exceeds 65535, it is added up from 0. You can check the numbers of cu-
mulative energization time monitor exceeded 65535h with Pr. 563 and the numbers of actual op-
eration time monitor exceeded 65535h with Pr. 564.
Writing "0" to Pr. 171 clears the cumulative energization power monitor. The cumulative time
monitor can not be cleared.
NOTES The cumulative energization time does not increase if the power is ON for less than an hour.
The actual operation time does not increase if the cumulative running time during power-ON
status is less than an hour.
If "0" is written to Pr. 171 and Pr. 171 is read again, "9999" is always displayed. Setting
"9999" does not clear the actual operation time meter.
You can select the decimal digits of the monitor (Pr. 268)
As the operation panel display is 4 digits long, the decimal places may vary at analog input, etc.
The decimal places can be hidden by selecting the decimal digits. In such a case, the decimal
digits can be selected by Pr. 268.
9999 (initial value)
Tab. 6-22: Selection of decimal digits
NOTE
The number of display digits on the cumulative energization time (Pr. 52 = "20"), actual oper-
ation time (Pr. 52 = "23") and cumulative power (Pr. 52 = "25") does not change.
FR-D700 SC EC
Pr. 268 Description
No function
For the first or second decimal places (0.1 increments or 0.01 increments) of the
monitor, numbers in the first decimal place and smaller are rounded to display
0
an integral value (1 increments).
The monitor value smaller than 0.99 is displayed as 0.
When 2 decimal places (0.01 increments) are monitored, the 0.01 decimal place
1 is dropped and the monitor displays the first decimal place (0.1 increments).
The monitored digits in 1 increments are displayed as they are.
Monitor display and monitor output signals
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