Mitsubishi Electric FR-A820-00046 Instruction Manual page 536

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(M) Monitor display and monitor output signal
Energy saving monitor list
● The items that can be monitored on the power saving monitor (Pr. 52, Pr. 54, Pr. 158, Pr. 774 to
Pr. 776, Pr. 992 = "50") are indicated below.
(Only [
CA) and Pr. 158 (terminal AM).)
Energy saving
monitored item
Power saving
Power saving rate
Average power
saving
Average power
saving rate
Average power cost
savings
Tab. 5-138: Power saving monitor list
5 - 356
Power saving] and [
Average power saving] can be set to Pr. 54 (terminal FM, terminal
Description and formula
The difference between the estimated value
of the required power during commercial
power supply operation and the input power
calculated with the inverter.
Power supply during commercial power
supply operation - input power monitor
The power saving ratio with the commercial
power supply operation as 100%.
Power saving
Power during commercial
power supply operation
The power saving ratio with Pr. 893 as 100%.
Power saving rate
Pr. 893
The average power saving per hour during a
predetermined time (Pr. 897).
 (³ Power saving × Δt)
Pr. 897
The average power saving ratio with the
commercial power supply operation as
100%.
 (· Power saving rate × Δt)
Pr. 897
The average power saving ratio with Pr. 893
as 100%.
» Average power saving
Pr. 893
The average power saving in terms of cost.
Average power saving × Pr. 896
Incre-
ment
0.01 kW/
0.1 kW
× 100
0.1%
× 100
0.01 kWh/
0.1 kWh
× 100
0.1%
× 100
0.01/0.1
Parameters
Parameter setting
Pr. 895 Pr. 896 Pr. 897 Pr. 899
9999
9999
0
1
9999
9999
0
0 to
1000 h
1
0 to 500

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