Siemens SIMOTICS S-1FK7 - Technical Features

Description of the motors
2.2 Technical features and environmental conditions
1FK7 G2 synchronous motors
Operating Instructions, 05/2021, A5E50907562B AA
23
2.2.2 Technical features
Table 2- 1 Technical features
Type of motor
Permanent-magnet synchronous motor
Magnet material
Rare-earth magnetic material
Cooling
Natural cooling, forced ventilation
Insulation of the stator winding according to
EN 60034-1
(IEC 60034-1)
Temperature class 155°C (F) for a winding temperature
of ΔT = 100 K at an ambient temperature of +40°C
Impulse voltage insulation class according to
EN 60034-18-41
(IEC 60034-18-41)
IVIC: C
Operating range
-15° to +40°C, derating at higher temperatures
Installation altitude (according to EN
60034–1 and IEC 60034–1)
≤ 1000 m above sea level, otherwise power derating
Type of construction according to EN 60034-
7 (IEC 60034-7)
IM B5 (IM V1, IM V3)
Degree of protection according to
EN 60034-5 (IEC 60034-5)
IP64; optional IP65 or IP65 + IP67 at the shaft gland
Motors with forced ventilation IP54
Temperature monitoring
Temperature sensor in the stator winding
Paint finish
Anthracite (RAL 7016)
Shaft extension according to DIN 748-3
(IEC 60072-1)
Plain shaft, optional shaft with fitted key and keyway
(half-key balancing)
Radial eccentricity, concentricity, and axial
eccentricity according to DIN 42955
(IEC 60072–1)
1)
Tolerance N (normal)
Vibration severity grade according to EN
60034-14
(IEC 60034-14)
Grade A is maintained up to rated speed
Sound pressure level L
pA
(1 m) according to
DIN EN ISO 1680, max. tolerance + 3 dB(A)
Natural cooling:
• 1FK703☐ to 1FK704☐: 55 dB(A)
• 1FK706☐: 65 dB(A)
• 1FK708☐ to 1FK710☐: 70 dB(A)
Forced ventilation:
• 1FK708☐: 73 dB(A)
Built-in encoder systems for motors without
DRIVE-CLiQ interface
• IC2048S/R incremental encoder, sin/cos 1 Vpp,
2048 S/R
2)
with C and D tracks for SH 36 to SH 100
• AM2048S/R absolute encoder 2048 S/R
2)
, 4096
revolutions multiturn, with EnDat 2.1 interface for
SH 36 to SH 100
• AM25EN22 absolute encoder multiturn 25-bit,
4096 revolutions multiturn, with EnDat 2.2 inter-
face for SH 48 to SH 100
• Resolver, multipole (number of pole pairs corre-
sponds to number of pole pairs of the motor)
•
2-pole resolver