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Configuration Manual Synchronous Motors 1FK7 - Siemens ...

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Technical Data and Characteristics<br />

Speed-torque diagrams <strong>1FK7</strong> HD<br />

Table 3-20: <strong>1FK7</strong>085 HD<br />

Technical data<br />

Engineering data<br />

Code Units –7AF71<br />

Rated speed nN RPM 3000<br />

Number of poles 2p 8<br />

Rated torque (100K) MN(100K) Nm 6.5<br />

Rated current IN A 7.0<br />

Stall torque (60K) M0(60K) Nm 17<br />

Stall torque (100K) M0(100K) Nm 22<br />

Stall current (60K) I0 (60K) A 16.5<br />

Stall current (100K) I0 (100K) A 22.5<br />

Moment of inertia (with brake) J mot 10 –4 kgm 2 25<br />

Moment of inertia (without brake)<br />

Optimum operating point<br />

Jmot 10<br />

–4<br />

kgm<br />

2 23<br />

Optimum speed nopt RPM 2500<br />

Optimum power<br />

Limiting data<br />

Popt kW 3.14<br />

Max. permissible speed (mech.) nmax RPM 6000<br />

Max. torque Mmax Nm 35<br />

Peak current<br />

Physical constants<br />

Imax A 80<br />

Torque constant kT Nm/A 0.96<br />

Voltage constant kE V/1000 RPM 63<br />

Winding resistance at 20 °C Rph Ohm 0.12<br />

Rotating field inductance LD mH 3.3<br />

Electrical time constant Tel ms 27.5<br />

Shaft torsional stiffness ct Nm/rad 83000<br />

Mechanical time constant Tmech ms 0.9<br />

Thermal time constant Tth min 65<br />

Weight with brake m kg 25.7<br />

Weight without brake m kg 23.5<br />

<strong>1FK7</strong> <strong>Synchronous</strong> <strong>Motors</strong><br />

3-40 <strong>Configuration</strong> <strong>Manual</strong> (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1

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