Siemens SINAMICS S120 - Incremental Encoders

Motor components
6.2 Encoder (option)
Synchronous Motors 1FK7
Configuration Manual, (PFK7S), Edition 12.2006, 6SN1197-0AD16-0BP1
73
6.2.4 Incremental encoders
Function:
• Angular measuring system for commutation
• Speed actual value sensing
• Indirect incremental measuring system for the position control loop
• One zero pulse (reference mark) per revolution
Table 6-4 Technical data for incremental encoder sin/cos 1 Vpp
Properties Incremental encoders
sin/cos 1 Vpp (I–2048)
Incremental encoders
sin/cos 1 Vpp (low SH)
(I–2048)
Mech. limiting speed 15000 RPM 12000 RPM
Operating voltage 5 V ± 5 % 5 V ± 5 %
Current consumption max. 150 mA max. 150 mA
Incremental resolution (periods
per revolution)
2048 2048
Incremental signals 1 Vpp 1 Vpp
Angular error ± 40" ± 80"
C–D track (rotor position) available Available
rHOsrHO
rHO
rHO
rPHFK
9>9@

9>9@
$
%
5
&
'
5












rHO
rPHFK

Figure 6-2 Signal sequence and assignment for a positive direction of rotation