Absolute value encoder
Absolute value encoders can detect the speed, the rotor position, and the machine position
with a very high resolution. They are used for the positioning of dynamic applications and do
not require homing.
With the aid of the open feedback protocol HIPERFACE DSL® and in connection
with the digital absolute value encoder AM20
‑
8V
‑
D, the motor supports the
future-oriented One Cable Technology (OCT).
Feedback type
Digital absolute value encoder
SinCos absolute value encoder
Feedback
AM20-8V-D
AM20-8V-D2
AM128-8V-H
AM128-8V-K2
Speed-dependent safety
functions
No
Yes
No
Yes
Design
Mounting
Mounting
Mounting
Mounting
Encoder type
Multi-turn
Multi-turn
Multi-turn
Multi-turn
Resolution
bit
20
20
-
-
Pulses
-
-
128
128
Output signals
Digital
Digital
SinCos 1 Vss
SinCos 1 Vss
Interfaces
Hiperface
Hiperface
Hiperface
Hiperface
Absolute revolution
4096
4096
4096
4096
Resolution - angle
0.02
0.02
0.4
0.4
Min. accuracy
'
-
-
-1.3
-1.3
Max. accuracy
'
-
-
1.3
1.3
Fehlergrenze Positionswert
System accuracy
1.7
1.7
-
-
Integral nonlinearity
1
1
-
-
Min. DC input voltage
V
in,min
V
-
-
7
7
Max. DC input voltage
V
in,max
V
-
-
12
12
Max. current consumption
I
max
A
0.15
0.15
0.06
0.06
Limit frequency
f
max
kHz
-
-
200
200
Speed-dependent safety functions
Feedback
AM20-8V-D2
AM128-8V-K2
Max. permissible angular acceleration
α
rad/s
2
240000
240000
Functional safety
IEC 61508
SIL2
EN 13849-1
Up to Performance Level d
Product extensions
Feedback
Absolute value encoder
140
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