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7 Drive Machine Data (SIMODRIVE Drive MD) 07.97
7.3.2 Drive MD (data description)
Number of pole pairs motor
1112
Default value Lower input limit Upper input limit Units
0 0 4 –
Active on
Power On
Input of number of pole pairs of motor as specified on the motor data sheet (also non-Siemens
motor) or through automatic parameterization using machine data "Motor code number"
(MD 1102). The pole pair number 0 is entered when motor/power section combinations which
have not been enabled are loaded.
Note:
This data is relevant only for FDD drives.
Pole pair number limit
MSD
Linear motor
CD track
Encoder marks
> 2048
Encoder marks
< 2049
4 16 6 64 16
Rotating motor
FDD
Hall sensor etc.
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If these limits are exceeded, the drive outputs an error message.
Torque constant
1113
Default value Lower input limit Upper input limit Units
0.0 0.0 300.0 (as from SW 6) 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.
Note:
This data is relevant only for FDD drives.
Voltage constant
1114
Default value Lower input limit Upper input limit Units
0.0 0.0 300.0 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).
Note:
This data is relevant only for FDD drives.
7–90 ©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)
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