trapulsPac – User Guide
Chapter 3 - Referenc
3.2.2.7 - Sensors
The Xtrapuls servo drive has 2 sensor inputs: Resolver and Encoder
Each sensor can be used as motor feedback or position feedback.
Index Object Name Type Attr.
0x306A VAR Position Feedback Sensor Select Unsigned16 rw
0x3070 VAR Motor Feedback Sensor Select Unsigned16 rw
Position Feedback Sensor Select
Index 0x306
Name Position Feedback Sensor Select
Object Code VAR
Data Type Unsigned16
Object Class all
Access rw
PDO Mapping No
Default Value 0
This object defines the feedback sensor which will be used to close the position loop.
alue Function
0 Resolver Feedback
1 Encoder Feedback
When motor feedback and position feedback are different (resolver for motor feedback and encoder for position
feedback, for example), both sensors must count in the same direction.
Motor Feedback Sensor Select
Index 0x3070
Name Motor Feedback Sensor Select
Object Code VAR
Data Type Unsigned16
Object Class all
Access rw
PDO Mapping No
Default Value 0
The motor feedback sensor is used to close the servo motor torque and speed control loops. The servo motor
position loop can be closed by the motor feedback sensor or with the secondary sensor (see object 0x306A).
alue Function
0 Resolver Feedback
1 Encoder Feedback