Yaskawa GPD503 Drive - Manual (Page 45)

2.11 ENERGY SAVING OPERATION
bn-09: Energy Saving Gain Factory setting: 80 %
Range: 0 to 200 %
This constant sets, in increments of 1%, the level to which the output voltage is reduced
during the energy-saving operation.
Output Voltage During Energy-Saving Operation
Sn-15 thru Sn-18: Multi-function Data 63 : Energy Saving Operation
Inputs (Term. 5 thru 8)
A multi-function input may be utilized to
command energy saving operation.
When the external Energy-Saving Operation
command is closed at set frequency, the energy-
saving operation shown below is enabled. In the
energy saving operation, the output voltage is
the value of the energy saving gain (bn-09;
factory set at 80%) multiplied by the V constants
defined by Cn-03, -06 and -08.
NOTE
If energy saving operation is enabled before accel
time is complete, output V/Hz is not affected until
set frequency is reached; then output voltage is
reduced by energy-saving gain (bn-09) setting.
Energy-Saving Run Timing
V/f
CONVERSION TORQUE
COMPENSATION
VOLTAGE COMMAND
ENERGY-
SAVING GAIN
CLOSE AT SET
FREQUENCY AND
ENERGY-SAVING ENABLED
O O
O
EXTERNAL
CONTACTS
GPD 503
5 Sn-15
6 Sn-16 MULTI-
> FUNCTION
7 Sn-17 INPUT
8 Sn-18
11
0V
RUN COMMAND
ENERGY-SAVING COMMAND
V (of Cn-03, -06 & -08) x
OUTPUT VOLTAGE
ENERGY-SAVING GAIN (bn-09)
2-14