09.95 7 Drive Machine Data (SIMODRIVE Drive MD)
7.2.2 FDD MD (data description - SW 3)
Torque constant
1113
Default value Lower input limit Upper input limit Units
5 0.1 5 Nm/A
Active on
Power On
Input of torque constant as specified on the motor data sheet (non-Siemens motor) or
automatic parameterization using machine data "Motor code number" (MD 1102). The torque
constant is the quotient of rated torque : rated current (RMS) for permanent-field synchronous
motors.
Voltage constant
1114
Default value Lower input limit Upper input limit Units
0 1 300 V
Active on
Power On
Input of voltage constant as specified on the motor data sheet (non-Siemens motor) or
automatic parameterization using machine data "Motor code number" (MD 1102). The voltage
constant is measured as an induced voltage (EMF) under no-load conditions at n = 1000
rev/min as the RMS value of the motor terminals (line-to-line).
Armature resistance
1115
Default value Lower input limit Upper input limit Units
0 0 20 V/A
Active on
Power On
Input of ohmic resistance of the armature winding (phase value) as specified on the motor data
sheet (non-Siemens motor) or automatic parameterization using machine data "Motor code
number" (MD 1102).
Armature inductance
1116
Default value Lower input limit Upper input limit Units
0 0 100 mH
Active on
Power On
Input of armature rotating-field inductance as specified on the motor data sheet (non-Siemens
motor) or automatic parameterization using machine data "Motor code number" (MD 1102).
Motor moment of inertia
1117
Default value Lower input limit Upper input limit Units
0 0 32 (as from SW 5) kgm
2
Active on
Power On
Input of motor moment of inertia as specified on the motor data sheet (non-Siemens motor) or
automatic parameterization using machine data "Motor code number" (MD 1102 - in motors
without a holding brake).
©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50 7–55
SINUMERIK 840C (IA)
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