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Information for OEM and Setup users | Commissioning
4.6.2
Overview of typical encoders
The following overview lists the parameters of the HEIDENHAIN encoders that are
typically connected to the product.
When connecting other encoders, refer to the encoder's documentation
for the required parameters.
Linear encoders
Examples of incremental encoders that are typically used
Encoder series
LS 383
LS 383C
LS 187/487C
LB 382C
Examples of absolute encoders that are typically used
Encoder series
LC 415
Angle encoders and rotary encoders
Examples of incremental encoders that are typically used
Encoder series
RON 285C
RON 886C
ROD 280C
ROD 480
ERN 180
ERN 480
The formulae below enable you to calculate the nominal increment of the
distance-coded reference marks with angle encoders:
Nominal increment = 360° number of reference marks × 2
Nominal increment = (360° × nominal increment in signal periods) line
count
Examples of absolute encoders that are typically used
Encoder series
ROC 425
RCN 5310
HEIDENHAIN | POSITIP 8000 | Operating Instructions Turning | 03/2022
Interface
Signal period
1 V
20 μm
PP
1 V
20 μm
PP
1 V
20 μm
PP
1 V
40 μm
PP
Interface
EnDat 2.2
Interface
Line count/
outputs signals
per revolution
1 V
18000
PP
1 V
18000
PP
1 V
18000
PP
1 V
1000 ... 5000
PP
1 V
1000 ... 5000
PP
1 V
1000 ... 5000
PP
Interface
EnDat 2.2
EnDat 2.2
Reference mark
Maximum
traverse path
One
Centered refer-
ence mark
Coded
20 mm
Coded
20 mm
Coded
80 mm
Measuring step
5 nm
Reference mark
Nominal increment
Coded
20°
Coded
20°
Coded
20°
One
-
One
-
One
-
Measuring step
25 bits
26 bits
II
91
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