Description
Symbol
Unit
Definition
Torque constant at 20 °C
5)
K
M_N
Nm/A
Ratio of torque to current in the motor winding (r.m.s. value) at
motor temperature 20 °C. Unit (Nm/A).
Voltage constant at 20 °C
6)
K
EMK_1000
V/min
-1
R.m.s. value of the induced motor voltage at motor
temperature 20 °C and 1000 revolutions per minute. Unit (V/
1000 min
-1
).
Rotor inertia
J
rot
kg*m
2
Rotor inertia
Thermal time constant
T
th
min
Time of the temperature rise to 63% of the end temperature of
the motor housing with the motor loaded with the allowed S1
continuous torque. The thermal time constant is determined by
the size of the motor and the cooling type used.
1: course of the motor housing temperature over time
Θ
max
: highest temperature (motor housing)
T
th
: thermal time constant
Maximum speed
n
max
min
-1
Maximum allowed speed of the motor. Limiting factors can
have mechanical (centrifugal forces, bearing stress) or
electrical (DC bus voltage) causes.
Insulation class according to
DIN EN 60034–1
Insulation class
Data of optional holding brake
Holding torque
M
4
Nm
Transmittable holding torque
Clamping delay
t
1
ms
ON delay when clamping
Release delay
t
2
ms
Release delay
Brake mass
m
Br
kg
Add mass of holding brake to mass of motor
Holding brake inertia
J
rot
kg*m
2
Add holding brake inertia to rotor inertia
1)
Suitable for use on a circuit capable of delivering not more than
this SCCR value, 600 V AC or less. The drive series shall be
used with listed AC input line fuses or listed circuit breakers
specified in this documentation.
2)
According to DIN EN ISO 11205; comparative value at 1 m dis‐
tance, out of cabinet
3)
KCU02: DC bus input L+/L-
4)
Also depending on firmware and control section; see parame‐
ter description "P–0–0001, Switching frequency of the power
output stage"; see "P-0-4058, Amplifier type data"
62/407
Technical data of the components
IndraDrive Mi Drive Systems with KCU02, KSM02,
KMS02/03, KMV03, KNK03, KLC03
Bosch Rexroth AG R911335703_Edition 04
Содержание Rexroth IndraDrive Mi KCU02
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