Energy Efficiency - ABB ACS560 Firmware Manual

No. Name/Value
44.08 Brake open delay
0.00...5.00 s
44.13 Brake close delay
0.00...60.00 s
44.14 Brake close level
0.00...1000.00 rpm
45

45 Energy efficiency

45.01 Saved GW hours
0...65535 GWh
45.02 Saved MW hours
0...999 MWh
45.03 Saved kW hours
0.0...999.9 kWh
Description
Defines the brake open delay, ie. the delay between the
internal open brake command and the release of motor speed
control. The delay timer starts when the drive has magnetized
the motor. Simultaneously with the timer start, the brake
control logic energizes the brake control output and the brake
starts to open.
Set this parameter to the value of mechanical opening delay
specified by the brake manufacturer.
Brake open delay.
Specifies a delay between a close command (that is, when
the brake control output is de-energized) and when the drive
stops modulating. This is to keep the motor live and under
control until the brake actually closes.
Set this parameter equal to the value specified by the brake
manufacturer as the mechanical wake-up time of the brake.
Brake close delay.
Defines the brake close speed as an absolute value.
After motor speed has decelerated to this level, a close
command is given.
Brake close speed.
Settings for the energy saving calculators.
See also section Energy saving calculators
Energy saved in GWh compared to direct-on-line motor
connection. This parameter is incremented when
Saved MW hours rolls over.
This parameter is read-only (see parameter
calculations reset).
Energy savings in GWh.
Energy saved in MWh compared to direct-on-line motor
connection. This parameter is incremented when
Saved kW hours rolls over.
When this parameter rolls over, parameter
hours is incremented.
This parameter is read-only (see parameter
calculations reset).
Energy savings in MWh.
Energy saved in kWh compared to direct-on-line motor
connection.
If the internal brake chopper of the drive is enabled, all energy
fed by the motor to the drive is assumed to be converted into
heat, but the calculation still records savings made by
controlling the speed. If the chopper is disabled, then
regenerated energy from the motor is also recorded here.
When this parameter rolls over, parameter
hours is incremented.
This parameter is read-only (see parameter
calculations reset).
Energy savings in kWh.
Parameters 315
Def/FbEq16
0.00 s
100 = 1 s
0.00 s
100 = 1 s
100.00 rpm
See par.
46.01
(page 93).
0
45.02
45.21 Energy
1 = 1 GWh
0
45.03
45.01 Saved GW
45.21 Energy
1 = 1 MWh
0.0
45.02 Saved MW
45.21 Energy
10 = 1 kWh