78 Rockwell Automation Publication 2094-UM001J-EN-P - March 2017
Chapter 4 Connector Data and Feature Descriptions
Feedback Specifications
The IAM and AM modules can accept motor and auxiliary feedback signals
from these types of encoders:
•Stegmann Hiperface
• TTL or Sine/Cosine with index pulse and Hall commutation
• Resolver Transmitter TR = 0.25 (motor feedback only)
Motor feedback from Heidenhain EnDat high-resolution encoders is also
accepted, but only when using drive firmware revision 1.116 or later and the
2090-K6CK-KENDAT low-profile feedback module for EnDat to Hiperface
conversion.
Absolute Position Feature
The drive’s absolute position feature tracks the position of the motor, within
the multi-turn retention limits, while the drive is powered off. The absolute
position feature is available with only these multi-turn encoders.
Table 51 - Absolute Position Designator Examples
Figure 37 - Absolute Position Limits (measured in turns)
TIP Auto-configuration in the Logix Designer application of intelligent absolute, high-
resolution, incremental, and EnDat encoders is possible only with Allen-Bradley
motors.
Encoder Type
Cat. No.
Designator
Motor/Actuator Cat. No.
Retention Limits
(turns)
Stegmann Hiperface
-M
MPL-A/Bxxxxx-M, MPM-A/Bxxxxx-M, MPF-A/Bxxxxx-M, MPS-A/Bxxxxx-M,
MPAR-A/B3xxxx-M, MPAI-A/BxxxxxM
4096 (±2048)
-V
MPL-A/Bxxxxx-V,
MPAS-A/Bxxxx1-V05, A/MPAS-Bxxxx2-V20,
MPAR-A/B1xxxx-V, MPAR-A/B2xxxx-V, MPAI-A/BxxxxxV
4096 (±2048)
Heidenhain EnDat -7 RDB-Bxxxxxx-7 4096 (±2048)
+2048-2048 +1024-1024
+64
-64
+256-256
+512
-512
0
-128
+128
Position at Power Down
4096 Turns
2048 Turns
1024 Turns
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