ABB ACS850-04 - Data Storage

Parameters 213
48.02 Bc run-time ena Selects the source for quick run-time brake chopper control.
0 = Brake chopper IGBT pulses are cut off
1 = Normal brake chopper IGBT modulation. The overvoltage
control is automatically switched off
This parameter can be used to program the chopper control
to function only when the drive is operating in the generator
mode.
Const Bit pointer setting (see Terms and abbreviations on page 93). -
Pointer
48.03 BrThermTimeConst Defines the thermal time constant of the brake resistor for
overload protection.
0 … 10000 s Brake resistor thermal time constant. 1 = 1 s
48.04 Br power max cnt Defines the maximum continuous braking power which will
raise the resistor temperature to the maximum allowed value.
The value is used in the overload protection.
0.0000 …
10000.0000 kW
Maximum continuous braking power. 10000 =
1kW
48.05 R br Defines the resistance value of the brake resistor. The value
is used for brake chopper protection.
0.1000 …
1000.0000 ohm
Brake resistor resistance value. 10000 =
1 ohm
48.06 Br temp faultlim Selects the fault limit for the brake resistor temperature
supervision. The value is given in percent of the temperature
the resistor reaches when loaded with the power defined by
parameter 48.04 Br power max cnt.
When the limit is exceeded the drive trips on fault BR
OVERHEAT.
0 … 150% Brake resistor temperature fault limit. 1 = 1%
48.07 Br temp alarmlim Selects the alarm limit for the brake resistor temperature
supervision. The value is given in percent of the temperature
the resistor reaches when loaded with the power defined by
parameter 48.04 Br power max cnt.
When the limit is exceeded, the drive generates a BR
OVERHEAT alarm.
0 … 150% Brake resistor temperature alarm limit. 1 = 1%
49
49 Data storage
Data storage parameters reserved for the user. These
parameters can be written to and read from using other
parameters’ pointer settings.
Four 16-bit and four 32-bit storage parameters are available.
49.01 Data storage1 Data storage parameter 1.
-32768 … 32767 16-bit data. 1 = 1
49.02 Data storage2 Data storage parameter 2.
-32768 … 32767 16-bit data. 1 = 1
49.03 Data storage3 Data storage parameter 3.
-32768 … 32767 16-bit data. 1 = 1
49.04 Data storage4 Data storage parameter 4.
-32768 … 32767 16-bit data. 1 = 1
No. Name/Value Description FbEq