Hiperface encoder at [X2]
Parameterisable no. of
encoder pulses
1
…
1024 periods/revolution (10 bit)
Angle resolution/inter-
polation
Min. 10 bits/period
Data channel Hiperface [MHz]
RS422/485; max. 4
(Hiperface 9.6 kbit/s to 115 kbit/s)
Input impedance for
data channel
[Ω]
RS422/485; 120
[V]
2.5 ± 20% (DC offset on SIN, #SIN, COS, #COS)
Tracking signals SIN,
COS
[Vss]
1 ± 10% (differential signal SIN - #SIN, COS - #COS)
Input impedance SIN,
COS
[Ω]
120 (differential input)
Critical frequency SIN,
COS
[kHz]
Approx. 50 (high-resolution tracking)
Noise-free angle resol-
ution within one SIN,
COS period
[bit]
10 (measured on noise-free SIN/COS signals)
Noise-free angle resol-
ution with SEK/SEL 37
per motor revolution
[bit]
Min. 12, typically 13 (10 m motor/encoder line, active drive con-
trol)
Noise-free angle resol-
ution with SKS/SKM 36
per motor revolution
[bit]
Min. 15, typically 17 (10 m motor/encoder line, active drive con-
trol)
[V]
10 ± 10 %
Output supply
[mA]
Max. 250
Support: mechanical
multiturn encoder
Yes, up to 4096 revolutions
Technical data
99
Festo — CMMT-AS-C2/C4-3A-... — 2018-02
