250 Parameters
47.04 BATTERY SUPPLY
Selects a signal source that enables/disables
external power unit supply, used with low DC supply
voltages such as a battery.
0 = External power unit supply disabled,
1 = External power unit supply enabled.
See section Rescue operation on page 173.
C.False/
Bit pointer
Bit pointer: CONST or POINTER (See Terms and
abbreviations on page 183.)
- / 1 = 1
48
48 BRAKE
CHOPPER
Configuration of the internal brake chopper.
48.01 BC ENABLE
Enables brake chopper control.
Note: Before enabling brake chopper control, ensure
that the brake resistor is installed. The drive has a
built-in brake chopper.
Mode1/
enum
Disable Brake chopper control disabled. 0
EnableTherm Brake chopper control with resistor overload
protection is enabled. Uses Mode1 selection in this
parameter.
1
Mode1 Pulse width modulation based control mode. 2
Mode2 Hysteresis based control mode. 3
48.02 BRTHERMTIMECO
NST
Defines the thermal time constant of the brake
resistor for overload protection.
0 s /
Real24
0…10000 s Brake resistor thermal time constant. - / 1 = 1 s
48.03 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.
0.0 kW /
Real24
0.0…10000.0 kW Maximum continuous braking power. - / 10 = 1 kW
48.04 R BR
Defines the resistance value of the brake resistor.
The value is used for brake chopper protection.
0.0 Ohm /
Real24
0.0…
1000.0 Ohm
Resistance. - /
10 = 1 Ohm
48.05 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 48.03
BR POWER MAX CNT.
When the limit is exceeded, the drive trips on fault
BR OVERHEAT.
105% /
Real24
0…150% Resistor temperature fault limit. 1 = 1% / -
No. Bit/Name/Value/
Range
Description Def/Type
FbEq
(16b/32b)
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